./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_f8163af4-b7b1-4adb-b01e-7bda99edb00a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8163af4-b7b1-4adb-b01e-7bda99edb00a/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8163af4-b7b1-4adb-b01e-7bda99edb00a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8163af4-b7b1-4adb-b01e-7bda99edb00a/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8163af4-b7b1-4adb-b01e-7bda99edb00a/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8163af4-b7b1-4adb-b01e-7bda99edb00a/bin/utaipan-gh47qXpMRh --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 92fce7e8733fef6ba8e1d7d5b12f8bb98a90f9164efa69e5285fd66b003407a0 --- 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-2329fc7 [2022-12-14 14:43:55,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:43:55,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:43:55,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:43:55,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:43:55,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:43:55,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:43:55,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:43:55,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:43:55,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:43:55,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:43:55,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:43:55,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:43:55,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:43:55,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:43:55,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:43:55,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:43:55,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:43:55,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:43:55,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:43:55,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:43:55,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:43:55,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:43:55,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:43:55,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:43:55,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:43:55,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:43:55,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:43:55,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:43:55,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:43:55,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:43:55,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:43:55,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:43:55,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:43:55,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:43:55,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:43:55,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:43:55,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:43:55,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:43:55,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:43:55,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:43:55,240 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8163af4-b7b1-4adb-b01e-7bda99edb00a/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 14:43:55,254 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:43:55,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:43:55,254 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:43:55,254 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:43:55,255 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:43:55,255 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:43:55,255 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:43:55,255 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:43:55,255 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:43:55,255 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:43:55,255 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:43:55,255 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:43:55,255 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:43:55,256 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:43:55,256 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:43:55,256 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:43:55,256 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:43:55,256 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:43:55,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:43:55,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:43:55,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:43:55,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:43:55,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:43:55,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:43:55,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:43:55,257 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:43:55,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:43:55,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:43:55,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:43:55,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:43:55,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:43:55,258 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:43:55,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:43:55,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:43:55,258 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:43:55,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:43:55,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:43:55,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:43:55,259 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_f8163af4-b7b1-4adb-b01e-7bda99edb00a/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8163af4-b7b1-4adb-b01e-7bda99edb00a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92fce7e8733fef6ba8e1d7d5b12f8bb98a90f9164efa69e5285fd66b003407a0 [2022-12-14 14:43:55,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:43:55,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:43:55,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:43:55,443 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:43:55,444 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:43:55,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8163af4-b7b1-4adb-b01e-7bda99edb00a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i [2022-12-14 14:43:58,020 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:43:58,528 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:43:58,528 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8163af4-b7b1-4adb-b01e-7bda99edb00a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i [2022-12-14 14:43:58,570 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8163af4-b7b1-4adb-b01e-7bda99edb00a/bin/utaipan-gh47qXpMRh/data/b8aa14251/0cb795a78ab74f919c8cc2c4dee29ec0/FLAG3dc84f0ed [2022-12-14 14:43:58,594 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8163af4-b7b1-4adb-b01e-7bda99edb00a/bin/utaipan-gh47qXpMRh/data/b8aa14251/0cb795a78ab74f919c8cc2c4dee29ec0 [2022-12-14 14:43:58,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:43:58,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:43:58,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:43:58,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:43:58,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:43:58,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:43:58" (1/1) ... [2022-12-14 14:43:58,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ffbfdfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:58, skipping insertion in model container [2022-12-14 14:43:58,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:43:58" (1/1) ... [2022-12-14 14:43:58,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:43:58,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:43:59,263 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-14 14:43:59,438 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 14:43:59,452 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 14:43:59,485 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:43:59,485 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 14:43:59,486 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-14 14:43:59,486 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:43:59,663 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 14:43:59,682 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 14:43:59,684 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:43:59,751 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 14:43:59,752 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 14:43:59,759 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:43:59,760 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:43:59,929 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 14:44:00,035 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 14:44:00,283 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 14:44:00,288 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 14:44:00,288 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:44:00,288 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 14:44:00,347 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,348 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,349 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,349 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,350 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,379 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,392 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_tx_queues [2022-12-14 14:44:00,393 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_rx_queues [2022-12-14 14:44:00,400 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:44:00,414 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:44:00,416 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:44:00,532 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:44:00,532 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:44:00,533 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:44:00,647 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,648 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,648 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,649 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,649 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,650 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,651 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,651 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,652 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,653 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,653 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,653 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,654 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,654 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,655 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,655 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,655 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,656 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,656 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,656 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,657 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,657 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,658 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,658 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,659 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,659 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,659 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,660 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,660 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,660 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,661 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,661 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,661 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,662 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,662 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,663 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,663 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,663 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,664 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,664 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,665 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,665 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,666 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,666 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,666 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,667 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,667 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,668 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,668 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,668 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,669 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,669 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,669 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,670 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,670 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,671 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,671 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,671 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,672 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,672 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,673 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,673 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,673 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,674 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,674 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,674 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,674 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,675 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,675 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,676 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,676 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,676 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,676 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,716 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,717 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,718 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,719 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,719 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,720 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,721 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,721 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,722 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,723 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,723 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,723 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,724 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,725 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,725 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,726 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,727 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,727 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,728 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,728 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,729 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,730 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,730 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,731 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,731 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,732 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,732 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,733 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,733 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,734 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,735 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,735 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,736 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,737 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,737 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,737 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,738 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,738 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,739 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,740 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,740 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,741 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,742 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,742 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,742 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,743 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,743 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,744 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,745 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,745 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,746 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,746 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,747 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,747 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,748 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:00,748 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,749 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,749 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,750 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,750 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,751 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,751 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,752 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,801 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,801 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,801 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,802 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,802 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,802 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,803 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,803 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,803 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,804 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,811 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 14:44:00,817 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 14:44:00,818 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:00,856 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 14:44:00,870 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,871 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,872 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,873 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,873 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,874 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,874 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,874 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,877 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,878 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:00,879 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:00,879 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:00,880 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:00,881 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:00,881 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:00,882 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,920 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix [2022-12-14 14:44:00,921 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:00,922 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-14 14:44:00,923 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 14:44:00,931 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:44:00,932 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 14:44:00,932 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,933 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 14:44:00,933 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,934 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,934 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,935 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 14:44:00,935 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:44:00,936 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-12-14 14:44:00,936 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,938 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,940 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:44:00,941 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,942 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:00,943 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,943 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-14 14:44:00,944 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:00,945 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-14 14:44:00,945 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:00,946 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 14:44:00,948 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-14 14:44:00,949 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:44:00,949 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:44:00,949 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 14:44:00,950 WARN L623 FunctionHandler]: Unknown extern function pci_clear_master [2022-12-14 14:44:00,950 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:44:00,959 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-14 14:44:00,960 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 14:44:00,960 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-14 14:44:00,961 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:44:00,962 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:44:00,962 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:44:00,962 WARN L623 FunctionHandler]: Unknown extern function pci_clear_master [2022-12-14 14:44:00,962 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 14:44:00,981 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:44:00,982 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-14 14:44:00,982 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:44:00,984 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-14 14:44:00,991 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-14 14:44:01,750 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,750 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,751 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,751 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,751 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,751 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,751 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,751 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,751 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,751 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,752 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,752 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,752 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,752 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,752 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,752 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,752 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,752 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,753 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,753 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,753 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,753 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,753 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,753 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,753 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,754 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,754 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,754 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,754 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,754 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,754 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,754 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,754 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,755 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,755 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,755 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,755 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,755 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,755 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,756 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,756 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,756 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,756 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,756 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,756 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,756 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,756 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,757 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,757 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,757 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,757 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,757 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,757 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,757 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,757 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,758 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,758 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,758 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:01,759 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 14:44:01,762 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 14:44:01,764 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 14:44:01,775 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 14:44:01,775 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 14:44:01,776 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 14:44:01,776 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 14:44:01,776 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 14:44:01,777 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 14:44:01,777 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 14:44:01,777 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 14:44:01,778 WARN L623 FunctionHandler]: Unknown extern function seq_release [2022-12-14 14:44:01,778 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 14:44:01,778 WARN L623 FunctionHandler]: Unknown extern function seq_release [2022-12-14 14:44:01,779 WARN L623 FunctionHandler]: Unknown extern function seq_release [2022-12-14 14:44:01,781 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 14:44:01,781 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 14:44:01,787 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 14:44:01,788 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 14:44:01,798 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 14:44:01,799 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 14:44:01,800 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:44:01,801 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:44:01,801 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:44:01,801 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:44:01,802 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:44:01,803 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 14:44:01,803 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 14:44:01,803 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 14:44:01,804 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 14:44:01,804 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 14:44:01,805 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 14:44:01,805 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 14:44:01,805 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 14:44:01,806 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 14:44:01,806 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 14:44:01,806 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 14:44:01,886 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:44:01,899 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:01,901 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:44:01,901 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:44:01,902 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:44:01,902 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:44:01,948 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:01,949 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:02,052 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_trylock [2022-12-14 14:44:02,130 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:44:02,131 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:44:02,131 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:44:02,131 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:44:02,131 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:44:02,155 WARN L623 FunctionHandler]: Unknown extern function __alloc_pages_nodemask [2022-12-14 14:44:02,172 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-14 14:44:02,202 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-14 14:44:02,202 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-14 14:44:02,226 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:02,309 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 14:44:02,309 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 14:44:02,309 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 14:44:02,316 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 14:44:02,323 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 14:44:02,330 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 14:44:02,337 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 14:44:02,343 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 14:44:02,362 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 14:44:02,369 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:44:02,369 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 14:44:02,405 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-12-14 14:44:02,574 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 14:44:02,580 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 14:44:02,620 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:44:02,621 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:44:02,621 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:44:02,621 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:44:02,621 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:44:02,708 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:44:02,733 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:44:02,765 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 14:44:02,766 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:44:02,820 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:44:02,826 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-14 14:44:02,827 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-14 14:44:02,827 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-14 14:44:02,848 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:02,852 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:44:02,853 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:44:02,872 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:44:02,878 WARN L623 FunctionHandler]: Unknown extern function napi_get_frags [2022-12-14 14:44:02,879 WARN L623 FunctionHandler]: Unknown extern function napi_gro_frags [2022-12-14 14:44:02,881 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 14:44:02,882 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 14:44:02,925 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:44:02,932 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-14 14:44:02,939 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:02,940 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:02,940 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:02,940 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:02,963 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 14:44:02,965 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:44:02,967 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:44:02,980 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-14 14:44:02,980 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:44:02,981 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:44:02,983 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:02,983 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:02,984 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 14:44:02,984 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 14:44:02,984 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:44:02,996 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:44:02,997 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 14:44:02,997 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:44:02,997 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 14:44:02,997 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:44:02,997 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 14:44:02,998 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:44:02,998 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 14:44:02,998 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 14:44:02,998 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-12-14 14:44:02,998 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 14:44:02,998 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-12-14 14:44:03,052 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 14:44:03,052 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 14:44:03,064 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 14:44:03,778 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_f8163af4-b7b1-4adb-b01e-7bda99edb00a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i[622479,622492] [2022-12-14 14:44:03,781 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_f8163af4-b7b1-4adb-b01e-7bda99edb00a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i[622648,622661] [2022-12-14 14:44:03,781 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_f8163af4-b7b1-4adb-b01e-7bda99edb00a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i[622815,622828] [2022-12-14 14:44:03,781 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_f8163af4-b7b1-4adb-b01e-7bda99edb00a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i[622983,622996] [2022-12-14 14:44:03,782 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:03,782 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:03,782 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:03,789 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:03,790 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:03,790 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:03,790 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:03,803 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:03,803 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:03,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:44:03,844 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:44:03,929 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-14 14:44:03,930 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 14:44:03,930 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 14:44:03,931 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:44:03,931 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 14:44:03,931 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-14 14:44:03,932 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:44:03,933 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 14:44:03,934 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 14:44:03,934 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:44:03,936 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 14:44:03,936 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 14:44:03,937 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:44:03,937 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:44:03,938 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 14:44:03,940 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 14:44:03,949 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 14:44:03,950 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 14:44:03,951 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:44:03,951 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 14:44:03,973 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:03,973 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:03,974 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:03,974 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:03,975 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:03,981 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:03,985 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_tx_queues [2022-12-14 14:44:03,986 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_rx_queues [2022-12-14 14:44:03,989 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:44:03,994 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:44:03,995 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:44:04,019 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:44:04,020 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:44:04,021 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:44:04,047 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,047 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,059 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,059 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,059 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,060 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,061 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,061 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,062 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,062 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,062 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,063 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,063 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,063 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,064 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,064 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,064 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,065 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,065 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,065 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,066 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,066 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,066 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,067 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,067 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,067 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,068 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,068 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,068 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,069 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,069 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,070 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,070 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,070 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,071 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,071 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,071 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,072 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,072 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,073 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,073 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,073 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,074 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,074 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,074 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,075 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,075 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,075 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,076 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,076 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,076 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,077 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,077 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,077 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,078 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,078 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,078 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,079 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,079 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,079 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,080 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,080 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,080 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,081 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,081 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,081 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,081 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,082 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,082 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,082 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,083 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,083 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,083 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,087 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,087 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,088 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,088 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,088 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,089 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,090 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,090 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,090 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,091 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,091 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,091 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,092 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,092 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,092 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,093 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,093 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,093 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,094 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,094 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,094 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,095 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,095 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,095 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,096 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,096 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,096 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,096 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,097 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,097 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,097 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,098 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,098 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,099 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,099 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,099 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,099 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,100 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,100 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,100 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,101 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,101 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,101 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,102 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,102 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,102 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,102 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,103 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,103 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,103 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,104 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,104 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,104 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,105 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,105 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 14:44:04,105 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,106 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,106 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,106 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,107 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,107 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,107 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,107 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,110 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,110 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,110 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,110 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,111 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,111 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,111 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,111 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,112 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,112 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,112 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 14:44:04,113 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 14:44:04,114 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:44:04,116 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 14:44:04,117 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,117 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,118 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,119 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,119 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,119 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,120 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,120 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,122 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,122 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:04,123 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:04,123 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:04,124 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:04,124 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:04,124 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:04,125 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,130 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix [2022-12-14 14:44:04,130 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:04,131 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-14 14:44:04,131 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 14:44:04,132 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:44:04,133 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 14:44:04,133 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,133 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 14:44:04,134 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,134 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,134 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,135 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 14:44:04,135 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:44:04,135 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-12-14 14:44:04,136 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,136 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,139 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:44:04,140 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,140 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:04,141 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,141 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-14 14:44:04,141 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:44:04,142 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-14 14:44:04,142 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,142 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 14:44:04,143 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-14 14:44:04,143 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:44:04,144 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:44:04,144 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 14:44:04,144 WARN L623 FunctionHandler]: Unknown extern function pci_clear_master [2022-12-14 14:44:04,144 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:44:04,145 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-14 14:44:04,145 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 14:44:04,145 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-14 14:44:04,146 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:44:04,146 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:44:04,146 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:44:04,146 WARN L623 FunctionHandler]: Unknown extern function pci_clear_master [2022-12-14 14:44:04,146 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 14:44:04,148 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:44:04,148 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-14 14:44:04,149 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:44:04,149 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-14 14:44:04,150 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-14 14:44:04,155 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,155 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,156 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,156 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,156 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,156 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,156 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,156 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,156 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,156 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,157 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,157 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,157 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,157 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,157 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,157 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,157 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,157 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,157 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,158 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,158 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,158 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,158 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,158 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,158 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,158 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,158 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,159 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,159 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,159 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,159 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,159 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,159 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,159 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,159 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,159 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,160 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,160 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,160 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,160 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,160 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,160 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,160 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,160 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,160 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,161 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,161 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,161 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,161 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,161 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,161 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,161 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,161 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,161 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,162 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,162 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,162 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,162 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,163 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 14:44:04,165 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 14:44:04,166 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 14:44:04,176 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 14:44:04,176 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 14:44:04,176 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 14:44:04,177 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 14:44:04,177 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 14:44:04,177 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 14:44:04,177 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 14:44:04,177 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 14:44:04,178 WARN L623 FunctionHandler]: Unknown extern function seq_release [2022-12-14 14:44:04,178 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 14:44:04,178 WARN L623 FunctionHandler]: Unknown extern function seq_release [2022-12-14 14:44:04,178 WARN L623 FunctionHandler]: Unknown extern function seq_release [2022-12-14 14:44:04,180 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 14:44:04,180 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 14:44:04,185 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 14:44:04,185 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 14:44:04,193 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 14:44:04,193 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 14:44:04,196 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:44:04,197 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:44:04,197 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:44:04,197 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:44:04,197 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:44:04,198 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 14:44:04,198 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 14:44:04,198 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 14:44:04,199 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 14:44:04,199 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 14:44:04,199 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 14:44:04,199 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 14:44:04,199 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 14:44:04,199 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 14:44:04,200 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 14:44:04,200 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 14:44:04,201 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:44:04,202 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,204 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:44:04,205 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:44:04,206 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:44:04,206 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:44:04,229 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,231 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,232 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_trylock [2022-12-14 14:44:04,233 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:44:04,233 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:44:04,233 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:44:04,233 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:44:04,233 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:44:04,234 WARN L623 FunctionHandler]: Unknown extern function __alloc_pages_nodemask [2022-12-14 14:44:04,234 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-14 14:44:04,235 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-14 14:44:04,236 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-14 14:44:04,236 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,238 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 14:44:04,239 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 14:44:04,239 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 14:44:04,239 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 14:44:04,240 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 14:44:04,241 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 14:44:04,241 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 14:44:04,241 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 14:44:04,243 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 14:44:04,243 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:44:04,243 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 14:44:04,244 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-12-14 14:44:04,253 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 14:44:04,253 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 14:44:04,254 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:44:04,254 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:44:04,254 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:44:04,255 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:44:04,255 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:44:04,271 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:44:04,273 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:44:04,275 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 14:44:04,276 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:44:04,282 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:44:04,283 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-14 14:44:04,283 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-14 14:44:04,283 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-14 14:44:04,287 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,290 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:44:04,291 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:44:04,293 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:44:04,293 WARN L623 FunctionHandler]: Unknown extern function napi_get_frags [2022-12-14 14:44:04,294 WARN L623 FunctionHandler]: Unknown extern function napi_gro_frags [2022-12-14 14:44:04,295 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 14:44:04,296 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 14:44:04,305 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:44:04,307 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-14 14:44:04,310 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,310 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,311 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,311 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,316 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 14:44:04,319 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:44:04,321 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:44:04,323 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-14 14:44:04,324 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:44:04,324 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:44:04,326 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,326 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:44:04,327 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 14:44:04,327 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 14:44:04,327 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:44:04,328 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:44:04,328 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 14:44:04,328 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:44:04,328 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 14:44:04,328 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:44:04,329 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 14:44:04,329 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:44:04,329 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 14:44:04,329 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 14:44:04,329 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-12-14 14:44:04,330 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 14:44:04,330 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-12-14 14:44:04,331 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 14:44:04,331 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 14:44:04,332 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 14:44:04,346 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_f8163af4-b7b1-4adb-b01e-7bda99edb00a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i[622479,622492] [2022-12-14 14:44:04,347 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_f8163af4-b7b1-4adb-b01e-7bda99edb00a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i[622648,622661] [2022-12-14 14:44:04,347 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_f8163af4-b7b1-4adb-b01e-7bda99edb00a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i[622815,622828] [2022-12-14 14:44:04,347 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_f8163af4-b7b1-4adb-b01e-7bda99edb00a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i[622983,622996] [2022-12-14 14:44:04,347 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,347 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,348 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,349 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,349 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,349 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,349 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,351 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,351 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:44:04,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:44:04,602 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:44:04,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:44:04 WrapperNode [2022-12-14 14:44:04,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:44:04,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:44:04,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:44:04,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:44:04,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:44:04" (1/1) ... [2022-12-14 14:44:04,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:44:04" (1/1) ... [2022-12-14 14:44:04,996 INFO L138 Inliner]: procedures = 780, calls = 5948, calls flagged for inlining = 431, calls inlined = 378, statements flattened = 14410 [2022-12-14 14:44:04,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:44:04,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:44:04,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:44:04,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:44:05,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:44:04" (1/1) ... [2022-12-14 14:44:05,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:44:04" (1/1) ... [2022-12-14 14:44:05,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:44:04" (1/1) ... [2022-12-14 14:44:05,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:44:04" (1/1) ... [2022-12-14 14:44:05,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:44:04" (1/1) ... [2022-12-14 14:44:05,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:44:04" (1/1) ... [2022-12-14 14:44:05,283 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:44:04" (1/1) ... [2022-12-14 14:44:05,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:44:04" (1/1) ... [2022-12-14 14:44:05,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:44:05,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:44:05,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:44:05,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:44:05,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:44:04" (1/1) ... [2022-12-14 14:44:05,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:44:05,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8163af4-b7b1-4adb-b01e-7bda99edb00a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:44:05,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8163af4-b7b1-4adb-b01e-7bda99edb00a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:44:05,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8163af4-b7b1-4adb-b01e-7bda99edb00a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:44:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_sge_intr_msix [2022-12-14 14:44:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_sge_intr_msix [2022-12-14 14:44:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-12-14 14:44:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-12-14 14:44:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2022-12-14 14:44:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2022-12-14 14:44:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 14:44:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 14:44:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 14:44:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 14:44:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 14:44:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 14:44:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_debugfs [2022-12-14 14:44:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_debugfs [2022-12-14 14:44:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 14:44:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 14:44:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_sw_desc [2022-12-14 14:44:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_sw_desc [2022-12-14 14:44:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure is_t4 [2022-12-14 14:44:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure is_t4 [2022-12-14 14:44:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 14:44:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 14:44:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 14:44:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 14:44:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-14 14:44:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-14 14:44:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-12-14 14:44:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-12-14 14:44:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 14:44:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 14:44:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure is_new_response [2022-12-14 14:44:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure is_new_response [2022-12-14 14:44:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-12-14 14:44:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-12-14 14:44:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 14:44:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 14:44:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure qenable [2022-12-14 14:44:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure qenable [2022-12-14 14:44:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-12-14 14:44:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-12-14 14:44:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure is_10g_port [2022-12-14 14:44:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10g_port [2022-12-14 14:44:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 14:44:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 14:44:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2022-12-14 14:44:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_open [2022-12-14 14:44:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header_len [2022-12-14 14:44:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header_len [2022-12-14 14:44:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:44:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_get_port_stats [2022-12-14 14:44:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_get_port_stats [2022-12-14 14:44:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-12-14 14:44:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-12-14 14:44:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure free_tx_desc [2022-12-14 14:44:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tx_desc [2022-12-14 14:44:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_wr_mbox_core [2022-12-14 14:44:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_wr_mbox_core [2022-12-14 14:44:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-12-14 14:44:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-12-14 14:44:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure netdev2adap [2022-12-14 14:44:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev2adap [2022-12-14 14:44:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 14:44:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 14:44:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-12-14 14:44:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-12-14 14:44:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 14:44:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 14:44:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure core_ticks_to_us [2022-12-14 14:44:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure core_ticks_to_us [2022-12-14 14:44:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 14:44:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 14:44:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:44:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 14:44:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 14:44:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 14:44:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 14:44:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-12-14 14:44:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-12-14 14:44:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 14:44:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 14:44:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-14 14:44:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-14 14:44:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:44:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 14:44:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 14:44:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:44:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 14:44:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-12-14 14:44:05,449 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-12-14 14:44:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_change_mac [2022-12-14 14:44:05,449 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_change_mac [2022-12-14 14:44:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure fl_starving [2022-12-14 14:44:05,449 INFO L138 BoogieDeclarations]: Found implementation of procedure fl_starving [2022-12-14 14:44:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_down [2022-12-14 14:44:05,449 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_down [2022-12-14 14:44:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 14:44:05,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 14:44:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure netdev2pinfo [2022-12-14 14:44:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev2pinfo [2022-12-14 14:44:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_free_vi [2022-12-14 14:44:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_free_vi [2022-12-14 14:44:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_free_sge_resources [2022-12-14 14:44:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_free_sge_resources [2022-12-14 14:44:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-12-14 14:44:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-12-14 14:44:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 14:44:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 14:44:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure t4_read_reg [2022-12-14 14:44:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure t4_read_reg [2022-12-14 14:44:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-14 14:44:05,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-14 14:44:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 14:44:05,451 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 14:44:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-12-14 14:44:05,451 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-12-14 14:44:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:44:05,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:44:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-14 14:44:05,451 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-14 14:44:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure is_eth_imm [2022-12-14 14:44:05,451 INFO L138 BoogieDeclarations]: Found implementation of procedure is_eth_imm [2022-12-14 14:44:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 14:44:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-14 14:44:05,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-14 14:44:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-12-14 14:44:05,452 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-12-14 14:44:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 14:44:05,452 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 14:44:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure is_buf_mapped [2022-12-14 14:44:05,452 INFO L138 BoogieDeclarations]: Found implementation of procedure is_buf_mapped [2022-12-14 14:44:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-12-14 14:44:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 14:44:05,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 14:44:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 14:44:05,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 14:44:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-12-14 14:44:05,453 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-12-14 14:44:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure reg_block_dump [2022-12-14 14:44:05,453 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_block_dump [2022-12-14 14:44:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-12-14 14:44:05,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-12-14 14:44:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:44:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:44:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-12-14 14:44:05,453 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-12-14 14:44:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb4vf_pci_shutdown [2022-12-14 14:44:05,453 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb4vf_pci_shutdown [2022-12-14 14:44:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-12-14 14:44:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-12-14 14:44:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 14:44:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 14:44:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 14:44:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 14:44:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-12-14 14:44:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-12-14 14:44:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-12-14 14:44:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-12-14 14:44:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb4vf_set_rxmode [2022-12-14 14:44:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb4vf_set_rxmode [2022-12-14 14:44:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 14:44:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 14:44:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-12-14 14:44:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-12-14 14:44:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure get_buf_addr [2022-12-14 14:44:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure get_buf_addr [2022-12-14 14:44:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_wr_mbox [2022-12-14 14:44:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_wr_mbox [2022-12-14 14:44:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:44:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 14:44:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 14:44:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure interfaces_get_idx [2022-12-14 14:44:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure interfaces_get_idx [2022-12-14 14:44:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-14 14:44:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-14 14:44:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb4vf_pci_remove [2022-12-14 14:44:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb4vf_pci_remove [2022-12-14 14:44:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-12-14 14:44:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-12-14 14:44:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_set_params [2022-12-14 14:44:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_set_params [2022-12-14 14:44:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 14:44:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 14:44:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 14:44:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 14:44:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-12-14 14:44:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-12-14 14:44:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb4vf_get_regs_len [2022-12-14 14:44:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb4vf_get_regs_len [2022-12-14 14:44:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb4vf_open [2022-12-14 14:44:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb4vf_open [2022-12-14 14:44:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-14 14:44:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-14 14:44:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure refill_fl [2022-12-14 14:44:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_fl [2022-12-14 14:44:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 14:44:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 14:44:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure free_rx_bufs [2022-12-14 14:44:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rx_bufs [2022-12-14 14:44:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 14:44:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 14:44:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-12-14 14:44:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-12-14 14:44:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-12-14 14:44:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-12-14 14:44:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_query_params [2022-12-14 14:44:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_query_params [2022-12-14 14:44:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 14:44:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 14:44:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure poison_buf [2022-12-14 14:44:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure poison_buf [2022-12-14 14:44:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 14:44:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 14:44:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-14 14:44:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-14 14:44:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 14:44:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 14:44:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 14:44:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 14:44:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:44:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-12-14 14:44:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-12-14 14:44:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-12-14 14:44:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-12-14 14:44:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 14:44:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 14:44:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure sge_qstats_entries [2022-12-14 14:44:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure sge_qstats_entries [2022-12-14 14:44:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure fl_cap [2022-12-14 14:44:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure fl_cap [2022-12-14 14:44:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 14:44:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-12-14 14:44:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-12-14 14:44:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 14:44:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 14:44:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 14:44:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_ring [2022-12-14 14:44:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_ring [2022-12-14 14:44:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 14:44:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 14:44:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 14:44:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 14:44:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_alloc_mac_filt [2022-12-14 14:44:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_alloc_mac_filt [2022-12-14 14:44:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 14:44:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 14:44:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 14:44:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 14:44:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-12-14 14:44:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-12-14 14:44:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_set_rxmode [2022-12-14 14:44:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_set_rxmode [2022-12-14 14:44:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cxgb4vf_module_exit_22_2 [2022-12-14 14:44:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cxgb4vf_module_exit_22_2 [2022-12-14 14:44:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure init_rspq [2022-12-14 14:44:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rspq [2022-12-14 14:44:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure adap2pinfo [2022-12-14 14:44:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure adap2pinfo [2022-12-14 14:44:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-12-14 14:44:05,463 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-12-14 14:44:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb4vf_stop [2022-12-14 14:44:05,463 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb4vf_stop [2022-12-14 14:44:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_seq_open [2022-12-14 14:44:05,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_seq_open [2022-12-14 14:44:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 14:44:05,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 14:44:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 14:44:05,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 14:44:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-12-14 14:44:05,463 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-12-14 14:44:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_enable_vi [2022-12-14 14:44:05,464 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_enable_vi [2022-12-14 14:44:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-12-14 14:44:05,464 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-12-14 14:44:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb4vf_poll_controller [2022-12-14 14:44:05,464 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb4vf_poll_controller [2022-12-14 14:44:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-12-14 14:44:05,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-12-14 14:44:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 14:44:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 14:44:05,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 14:44:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure reclaimable [2022-12-14 14:44:05,464 INFO L138 BoogieDeclarations]: Found implementation of procedure reclaimable [2022-12-14 14:44:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 14:44:05,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 14:44:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-12-14 14:44:05,465 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-12-14 14:44:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_intr_handler [2022-12-14 14:44:05,465 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_intr_handler [2022-12-14 14:44:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-12-14 14:44:05,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-12-14 14:44:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-12-14 14:44:05,465 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-12-14 14:44:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_bits [2022-12-14 14:44:05,465 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_bits [2022-12-14 14:44:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-12-14 14:44:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-12-14 14:44:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure qtimer_val [2022-12-14 14:44:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure qtimer_val [2022-12-14 14:44:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-12-14 14:44:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-12-14 14:44:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-12-14 14:44:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-12-14 14:44:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 14:44:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 14:44:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure rspq_next [2022-12-14 14:44:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure rspq_next [2022-12-14 14:44:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure dump_mbox [2022-12-14 14:44:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_mbox [2022-12-14 14:44:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure t4_write_reg [2022-12-14 14:44:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure t4_write_reg [2022-12-14 14:44:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure txq_stop [2022-12-14 14:44:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure txq_stop [2022-12-14 14:44:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 14:44:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 14:44:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 14:44:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 14:44:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 14:44:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-14 14:44:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-14 14:44:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-12-14 14:44:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-12-14 14:44:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 14:44:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 14:44:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-12-14 14:44:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-12-14 14:44:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure t4_read_reg64 [2022-12-14 14:44:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure t4_read_reg64 [2022-12-14 14:44:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2022-12-14 14:44:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2022-12-14 14:44:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure free_rspq_fl [2022-12-14 14:44:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rspq_fl [2022-12-14 14:44:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-14 14:44:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-14 14:44:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 14:44:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 14:44:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-12-14 14:44:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-12-14 14:44:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 14:44:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 14:44:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure sge_queue_entries [2022-12-14 14:44:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure sge_queue_entries [2022-12-14 14:44:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2022-12-14 14:44:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2022-12-14 14:44:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure get_buf_size [2022-12-14 14:44:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure get_buf_size [2022-12-14 14:44:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-14 14:44:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-14 14:44:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-12-14 14:44:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-12-14 14:44:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-12-14 14:44:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-12-14 14:44:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-12-14 14:44:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-12-14 14:44:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 14:44:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 14:44:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-12-14 14:44:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-12-14 14:44:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2022-12-14 14:44:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2022-12-14 14:44:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 14:44:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 14:44:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure t4vf_sge_alloc_rxq [2022-12-14 14:44:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure t4vf_sge_alloc_rxq [2022-12-14 14:44:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:44:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 14:44:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 14:44:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-12-14 14:44:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-12-14 14:44:06,461 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:44:06,465 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:44:06,621 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 14:44:14,527 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 14:44:14,662 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:44:16,696 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:44:16,696 INFO L300 CfgBuilder]: Removed 13 assume(true) statements. [2022-12-14 14:44:16,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:44:16 BoogieIcfgContainer [2022-12-14 14:44:16,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:44:16,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:44:16,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:44:16,706 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:44:16,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:43:58" (1/3) ... [2022-12-14 14:44:16,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8668b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:44:16, skipping insertion in model container [2022-12-14 14:44:16,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:44:04" (2/3) ... [2022-12-14 14:44:16,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8668b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:44:16, skipping insertion in model container [2022-12-14 14:44:16,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:44:16" (3/3) ... [2022-12-14 14:44:16,708 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4vf-cxgb4vf.cil.i [2022-12-14 14:44:16,722 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:44:16,723 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 14:44:16,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:44:16,809 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;@59b5d27d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:44:16,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-14 14:44:16,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 3098 states, 1873 states have (on average 1.3016550987720235) internal successors, (2438), 1911 states have internal predecessors, (2438), 1047 states have call successors, (1047), 175 states have call predecessors, (1047), 174 states have return successors, (1038), 1033 states have call predecessors, (1038), 1038 states have call successors, (1038) [2022-12-14 14:44:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2022-12-14 14:44:16,858 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:44:16,859 INFO L195 NwaCegarLoop]: trace histogram [59, 58, 58, 58, 58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:44:16,860 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:44:16,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:44:16,864 INFO L85 PathProgramCache]: Analyzing trace with hash -151686615, now seen corresponding path program 1 times [2022-12-14 14:44:16,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:44:16,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007502507] [2022-12-14 14:44:16,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:44:16,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:44:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:44:18,052 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13340 trivial. 0 not checked. [2022-12-14 14:44:18,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:44:18,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007502507] [2022-12-14 14:44:18,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007502507] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:44:18,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:44:18,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:44:18,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756866009] [2022-12-14 14:44:18,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:44:18,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:44:18,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:44:18,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:44:18,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:44:18,091 INFO L87 Difference]: Start difference. First operand has 3098 states, 1873 states have (on average 1.3016550987720235) internal successors, (2438), 1911 states have internal predecessors, (2438), 1047 states have call successors, (1047), 175 states have call predecessors, (1047), 174 states have return successors, (1038), 1033 states have call predecessors, (1038), 1038 states have call successors, (1038) Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-12-14 14:44:23,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:44:23,664 INFO L93 Difference]: Finished difference Result 8960 states and 13112 transitions. [2022-12-14 14:44:23,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:44:23,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 602 [2022-12-14 14:44:23,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:44:23,705 INFO L225 Difference]: With dead ends: 8960 [2022-12-14 14:44:23,705 INFO L226 Difference]: Without dead ends: 5965 [2022-12-14 14:44:23,721 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 [2022-12-14 14:44:23,723 INFO L413 NwaCegarLoop]: 4852 mSDtfsCounter, 4240 mSDsluCounter, 3855 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4240 SdHoareTripleChecker+Valid, 8707 SdHoareTripleChecker+Invalid, 1236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:44:23,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4240 Valid, 8707 Invalid, 1236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 14:44:23,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5965 states. [2022-12-14 14:44:23,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5965 to 5959. [2022-12-14 14:44:23,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5959 states, 3635 states have (on average 1.3012379642365888) internal successors, (4730), 3706 states have internal predecessors, (4730), 1976 states have call successors, (1976), 345 states have call predecessors, (1976), 344 states have return successors, (1972), 1962 states have call predecessors, (1972), 1972 states have call successors, (1972) [2022-12-14 14:44:24,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5959 states to 5959 states and 8678 transitions. [2022-12-14 14:44:24,004 INFO L78 Accepts]: Start accepts. Automaton has 5959 states and 8678 transitions. Word has length 602 [2022-12-14 14:44:24,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:44:24,005 INFO L495 AbstractCegarLoop]: Abstraction has 5959 states and 8678 transitions. [2022-12-14 14:44:24,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-12-14 14:44:24,005 INFO L276 IsEmpty]: Start isEmpty. Operand 5959 states and 8678 transitions. [2022-12-14 14:44:24,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2022-12-14 14:44:24,019 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:44:24,019 INFO L195 NwaCegarLoop]: trace histogram [59, 58, 58, 58, 58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:44:24,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:44:24,020 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:44:24,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:44:24,020 INFO L85 PathProgramCache]: Analyzing trace with hash -404926268, now seen corresponding path program 1 times [2022-12-14 14:44:24,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:44:24,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707119284] [2022-12-14 14:44:24,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:44:24,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:44:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:44:24,807 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13340 trivial. 0 not checked. [2022-12-14 14:44:24,807 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:44:24,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707119284] [2022-12-14 14:44:24,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707119284] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:44:24,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:44:24,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:44:24,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044793017] [2022-12-14 14:44:24,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:44:24,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:44:24,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:44:24,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:44:24,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:44:24,810 INFO L87 Difference]: Start difference. First operand 5959 states and 8678 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2022-12-14 14:44:28,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:44:28,270 INFO L93 Difference]: Finished difference Result 11701 states and 17019 transitions. [2022-12-14 14:44:28,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:44:28,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) Word has length 618 [2022-12-14 14:44:28,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:44:28,293 INFO L225 Difference]: With dead ends: 11701 [2022-12-14 14:44:28,293 INFO L226 Difference]: Without dead ends: 5859 [2022-12-14 14:44:28,306 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 [2022-12-14 14:44:28,307 INFO L413 NwaCegarLoop]: 3822 mSDtfsCounter, 4208 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4208 SdHoareTripleChecker+Valid, 4011 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:44:28,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4208 Valid, 4011 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 14:44:28,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5859 states. [2022-12-14 14:44:28,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5859 to 5859. [2022-12-14 14:44:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5859 states, 3572 states have (on average 1.299552071668533) internal successors, (4642), 3640 states have internal predecessors, (4642), 1938 states have call successors, (1938), 347 states have call predecessors, (1938), 346 states have return successors, (1934), 1924 states have call predecessors, (1934), 1934 states have call successors, (1934) [2022-12-14 14:44:28,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5859 states to 5859 states and 8514 transitions. [2022-12-14 14:44:28,502 INFO L78 Accepts]: Start accepts. Automaton has 5859 states and 8514 transitions. Word has length 618 [2022-12-14 14:44:28,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:44:28,503 INFO L495 AbstractCegarLoop]: Abstraction has 5859 states and 8514 transitions. [2022-12-14 14:44:28,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2022-12-14 14:44:28,504 INFO L276 IsEmpty]: Start isEmpty. Operand 5859 states and 8514 transitions. [2022-12-14 14:44:28,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2022-12-14 14:44:28,517 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:44:28,517 INFO L195 NwaCegarLoop]: trace histogram [59, 58, 58, 58, 58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:44:28,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:44:28,517 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:44:28,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:44:28,518 INFO L85 PathProgramCache]: Analyzing trace with hash 2059478027, now seen corresponding path program 1 times [2022-12-14 14:44:28,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:44:28,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67365066] [2022-12-14 14:44:28,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:44:28,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:44:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:44:29,162 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13340 trivial. 0 not checked. [2022-12-14 14:44:29,163 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:44:29,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67365066] [2022-12-14 14:44:29,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67365066] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:44:29,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:44:29,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:44:29,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613116045] [2022-12-14 14:44:29,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:44:29,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:44:29,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:44:29,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:44:29,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:44:29,167 INFO L87 Difference]: Start difference. First operand 5859 states and 8514 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-12-14 14:44:33,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:44:33,951 INFO L93 Difference]: Finished difference Result 15929 states and 23122 transitions. [2022-12-14 14:44:33,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:44:33,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 625 [2022-12-14 14:44:33,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:44:33,989 INFO L225 Difference]: With dead ends: 15929 [2022-12-14 14:44:33,989 INFO L226 Difference]: Without dead ends: 10205 [2022-12-14 14:44:34,004 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 [2022-12-14 14:44:34,005 INFO L413 NwaCegarLoop]: 4555 mSDtfsCounter, 3188 mSDsluCounter, 3759 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3188 SdHoareTripleChecker+Valid, 8314 SdHoareTripleChecker+Invalid, 1242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:44:34,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3188 Valid, 8314 Invalid, 1242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-14 14:44:34,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10205 states. [2022-12-14 14:44:34,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10205 to 10172. [2022-12-14 14:44:34,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10172 states, 6201 states have (on average 1.299306563457507) internal successors, (8057), 6329 states have internal predecessors, (8057), 3343 states have call successors, (3343), 626 states have call predecessors, (3343), 625 states have return successors, (3345), 3316 states have call predecessors, (3345), 3339 states have call successors, (3345) [2022-12-14 14:44:34,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10172 states to 10172 states and 14745 transitions. [2022-12-14 14:44:34,443 INFO L78 Accepts]: Start accepts. Automaton has 10172 states and 14745 transitions. Word has length 625 [2022-12-14 14:44:34,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:44:34,444 INFO L495 AbstractCegarLoop]: Abstraction has 10172 states and 14745 transitions. [2022-12-14 14:44:34,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-12-14 14:44:34,444 INFO L276 IsEmpty]: Start isEmpty. Operand 10172 states and 14745 transitions. [2022-12-14 14:44:34,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2022-12-14 14:44:34,452 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:44:34,452 INFO L195 NwaCegarLoop]: trace histogram [61, 58, 58, 58, 58, 58, 58, 3, 3, 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] [2022-12-14 14:44:34,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 14:44:34,453 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:44:34,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:44:34,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1782031499, now seen corresponding path program 1 times [2022-12-14 14:44:34,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:44:34,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406748861] [2022-12-14 14:44:34,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:44:34,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:44:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:44:35,425 INFO L134 CoverageAnalysis]: Checked inductivity of 13597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13597 trivial. 0 not checked. [2022-12-14 14:44:35,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:44:35,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406748861] [2022-12-14 14:44:35,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406748861] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:44:35,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:44:35,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:44:35,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334422130] [2022-12-14 14:44:35,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:44:35,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:44:35,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:44:35,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:44:35,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:44:35,427 INFO L87 Difference]: Start difference. First operand 10172 states and 14745 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2022-12-14 14:44:41,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:44:41,067 INFO L93 Difference]: Finished difference Result 10178 states and 14750 transitions. [2022-12-14 14:44:41,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:44:41,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) Word has length 636 [2022-12-14 14:44:41,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:44:41,108 INFO L225 Difference]: With dead ends: 10178 [2022-12-14 14:44:41,108 INFO L226 Difference]: Without dead ends: 10176 [2022-12-14 14:44:41,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:44:41,120 INFO L413 NwaCegarLoop]: 3803 mSDtfsCounter, 4251 mSDsluCounter, 7589 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4266 SdHoareTripleChecker+Valid, 11392 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:44:41,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4266 Valid, 11392 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 14:44:41,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10176 states. [2022-12-14 14:44:41,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10176 to 10176. [2022-12-14 14:44:41,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10176 states, 6204 states have (on average 1.2991618310767248) internal successors, (8060), 6332 states have internal predecessors, (8060), 3343 states have call successors, (3343), 627 states have call predecessors, (3343), 626 states have return successors, (3345), 3316 states have call predecessors, (3345), 3339 states have call successors, (3345) [2022-12-14 14:44:41,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10176 states to 10176 states and 14748 transitions. [2022-12-14 14:44:41,560 INFO L78 Accepts]: Start accepts. Automaton has 10176 states and 14748 transitions. Word has length 636 [2022-12-14 14:44:41,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:44:41,561 INFO L495 AbstractCegarLoop]: Abstraction has 10176 states and 14748 transitions. [2022-12-14 14:44:41,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2022-12-14 14:44:41,561 INFO L276 IsEmpty]: Start isEmpty. Operand 10176 states and 14748 transitions. [2022-12-14 14:44:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 649 [2022-12-14 14:44:41,570 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:44:41,570 INFO L195 NwaCegarLoop]: trace histogram [61, 58, 58, 58, 58, 58, 58, 4, 4, 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] [2022-12-14 14:44:41,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 14:44:41,571 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:44:41,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:44:41,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1967617792, now seen corresponding path program 1 times [2022-12-14 14:44:41,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:44:41,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431984948] [2022-12-14 14:44:41,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:44:41,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:44:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:44:42,583 INFO L134 CoverageAnalysis]: Checked inductivity of 13603 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 13601 trivial. 0 not checked. [2022-12-14 14:44:42,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:44:42,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431984948] [2022-12-14 14:44:42,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431984948] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:44:42,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:44:42,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:44:42,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874741436] [2022-12-14 14:44:42,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:44:42,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:44:42,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:44:42,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:44:42,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:44:42,585 INFO L87 Difference]: Start difference. First operand 10176 states and 14748 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (71), 3 states have call predecessors, (71), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 14:44:48,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:44:48,355 INFO L93 Difference]: Finished difference Result 10182 states and 14753 transitions. [2022-12-14 14:44:48,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:44:48,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (71), 3 states have call predecessors, (71), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 648 [2022-12-14 14:44:48,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:44:48,382 INFO L225 Difference]: With dead ends: 10182 [2022-12-14 14:44:48,382 INFO L226 Difference]: Without dead ends: 10180 [2022-12-14 14:44:48,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:44:48,386 INFO L413 NwaCegarLoop]: 3806 mSDtfsCounter, 4245 mSDsluCounter, 7589 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4259 SdHoareTripleChecker+Valid, 11395 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:44:48,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4259 Valid, 11395 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 14:44:48,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10180 states. [2022-12-14 14:44:48,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10180 to 10180. [2022-12-14 14:44:48,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10180 states, 6207 states have (on average 1.2990172386015788) internal successors, (8063), 6335 states have internal predecessors, (8063), 3343 states have call successors, (3343), 628 states have call predecessors, (3343), 627 states have return successors, (3345), 3316 states have call predecessors, (3345), 3339 states have call successors, (3345) [2022-12-14 14:44:48,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10180 states to 10180 states and 14751 transitions. [2022-12-14 14:44:48,865 INFO L78 Accepts]: Start accepts. Automaton has 10180 states and 14751 transitions. Word has length 648 [2022-12-14 14:44:48,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:44:48,866 INFO L495 AbstractCegarLoop]: Abstraction has 10180 states and 14751 transitions. [2022-12-14 14:44:48,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (71), 3 states have call predecessors, (71), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 14:44:48,867 INFO L276 IsEmpty]: Start isEmpty. Operand 10180 states and 14751 transitions. [2022-12-14 14:44:48,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2022-12-14 14:44:48,880 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:44:48,880 INFO L195 NwaCegarLoop]: trace histogram [61, 58, 58, 58, 58, 58, 58, 4, 4, 3, 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] [2022-12-14 14:44:48,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 14:44:48,880 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:44:48,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:44:48,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1222145152, now seen corresponding path program 1 times [2022-12-14 14:44:48,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:44:48,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672474351] [2022-12-14 14:44:48,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:44:48,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:44:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:44:49,694 INFO L134 CoverageAnalysis]: Checked inductivity of 13609 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13605 trivial. 0 not checked. [2022-12-14 14:44:49,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:44:49,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672474351] [2022-12-14 14:44:49,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672474351] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:44:49,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:44:49,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:44:49,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704561041] [2022-12-14 14:44:49,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:44:49,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:44:49,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:44:49,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:44:49,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:44:49,697 INFO L87 Difference]: Start difference. First operand 10180 states and 14751 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (72), 3 states have call predecessors, (72), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-12-14 14:44:56,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:44:56,068 INFO L93 Difference]: Finished difference Result 10186 states and 14756 transitions. [2022-12-14 14:44:56,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:44:56,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (72), 3 states have call predecessors, (72), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 653 [2022-12-14 14:44:56,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:44:56,095 INFO L225 Difference]: With dead ends: 10186 [2022-12-14 14:44:56,095 INFO L226 Difference]: Without dead ends: 10184 [2022-12-14 14:44:56,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:44:56,100 INFO L413 NwaCegarLoop]: 3806 mSDtfsCounter, 4245 mSDsluCounter, 7589 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4258 SdHoareTripleChecker+Valid, 11395 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:44:56,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4258 Valid, 11395 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-12-14 14:44:56,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10184 states. [2022-12-14 14:44:56,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10184 to 10184. [2022-12-14 14:44:56,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10184 states, 6210 states have (on average 1.2988727858293077) internal successors, (8066), 6338 states have internal predecessors, (8066), 3343 states have call successors, (3343), 629 states have call predecessors, (3343), 628 states have return successors, (3345), 3316 states have call predecessors, (3345), 3339 states have call successors, (3345) [2022-12-14 14:44:56,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10184 states to 10184 states and 14754 transitions. [2022-12-14 14:44:56,542 INFO L78 Accepts]: Start accepts. Automaton has 10184 states and 14754 transitions. Word has length 653 [2022-12-14 14:44:56,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:44:56,543 INFO L495 AbstractCegarLoop]: Abstraction has 10184 states and 14754 transitions. [2022-12-14 14:44:56,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (72), 3 states have call predecessors, (72), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-12-14 14:44:56,543 INFO L276 IsEmpty]: Start isEmpty. Operand 10184 states and 14754 transitions. [2022-12-14 14:44:56,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2022-12-14 14:44:56,552 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:44:56,552 INFO L195 NwaCegarLoop]: trace histogram [61, 58, 58, 58, 58, 58, 58, 4, 3, 3, 3, 3, 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] [2022-12-14 14:44:56,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 14:44:56,552 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:44:56,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:44:56,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1337954709, now seen corresponding path program 1 times [2022-12-14 14:44:56,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:44:56,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497525559] [2022-12-14 14:44:56,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:44:56,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:44:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:44:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 13615 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13609 trivial. 0 not checked. [2022-12-14 14:44:57,363 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:44:57,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497525559] [2022-12-14 14:44:57,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497525559] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:44:57,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:44:57,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:44:57,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26143212] [2022-12-14 14:44:57,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:44:57,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:44:57,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:44:57,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:44:57,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:44:57,365 INFO L87 Difference]: Start difference. First operand 10184 states and 14754 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (70), 3 states have call predecessors, (70), 1 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-12-14 14:45:02,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:02,813 INFO L93 Difference]: Finished difference Result 10190 states and 14759 transitions. [2022-12-14 14:45:02,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:45:02,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (70), 3 states have call predecessors, (70), 1 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) Word has length 651 [2022-12-14 14:45:02,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:02,844 INFO L225 Difference]: With dead ends: 10190 [2022-12-14 14:45:02,844 INFO L226 Difference]: Without dead ends: 10188 [2022-12-14 14:45:02,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:45:02,850 INFO L413 NwaCegarLoop]: 3806 mSDtfsCounter, 4246 mSDsluCounter, 7589 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4258 SdHoareTripleChecker+Valid, 11395 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:02,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4258 Valid, 11395 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-12-14 14:45:02,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10188 states. [2022-12-14 14:45:03,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10188 to 10188. [2022-12-14 14:45:03,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10188 states, 6213 states have (on average 1.2987284725575405) internal successors, (8069), 6341 states have internal predecessors, (8069), 3343 states have call successors, (3343), 630 states have call predecessors, (3343), 629 states have return successors, (3345), 3316 states have call predecessors, (3345), 3339 states have call successors, (3345) [2022-12-14 14:45:03,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10188 states to 10188 states and 14757 transitions. [2022-12-14 14:45:03,357 INFO L78 Accepts]: Start accepts. Automaton has 10188 states and 14757 transitions. Word has length 651 [2022-12-14 14:45:03,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:03,358 INFO L495 AbstractCegarLoop]: Abstraction has 10188 states and 14757 transitions. [2022-12-14 14:45:03,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (70), 3 states have call predecessors, (70), 1 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-12-14 14:45:03,358 INFO L276 IsEmpty]: Start isEmpty. Operand 10188 states and 14757 transitions. [2022-12-14 14:45:03,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2022-12-14 14:45:03,367 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:03,368 INFO L195 NwaCegarLoop]: trace histogram [61, 58, 58, 58, 58, 58, 58, 5, 4, 4, 4, 4, 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] [2022-12-14 14:45:03,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 14:45:03,368 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:45:03,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:03,368 INFO L85 PathProgramCache]: Analyzing trace with hash 282186843, now seen corresponding path program 1 times [2022-12-14 14:45:03,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:03,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124152406] [2022-12-14 14:45:03,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:03,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:04,105 INFO L134 CoverageAnalysis]: Checked inductivity of 13632 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13624 trivial. 0 not checked. [2022-12-14 14:45:04,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:04,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124152406] [2022-12-14 14:45:04,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124152406] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:04,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:45:04,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:45:04,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103601701] [2022-12-14 14:45:04,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:04,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:45:04,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:04,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:45:04,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:45:04,108 INFO L87 Difference]: Start difference. First operand 10188 states and 14757 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (74), 3 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2022-12-14 14:45:10,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:10,226 INFO L93 Difference]: Finished difference Result 10268 states and 14827 transitions. [2022-12-14 14:45:10,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:45:10,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (74), 3 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 662 [2022-12-14 14:45:10,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:10,250 INFO L225 Difference]: With dead ends: 10268 [2022-12-14 14:45:10,250 INFO L226 Difference]: Without dead ends: 10266 [2022-12-14 14:45:10,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:45:10,254 INFO L413 NwaCegarLoop]: 3815 mSDtfsCounter, 4194 mSDsluCounter, 7673 mSDsCounter, 0 mSdLazyCounter, 1813 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4205 SdHoareTripleChecker+Valid, 11488 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:10,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4205 Valid, 11488 Invalid, 1815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1813 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 14:45:10,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10266 states. [2022-12-14 14:45:10,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10266 to 10264. [2022-12-14 14:45:10,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10264 states, 6258 states have (on average 1.2975391498881432) internal successors, (8120), 6388 states have internal predecessors, (8120), 3351 states have call successors, (3351), 653 states have call predecessors, (3351), 652 states have return successors, (3353), 3324 states have call predecessors, (3353), 3347 states have call successors, (3353) [2022-12-14 14:45:10,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10264 states to 10264 states and 14824 transitions. [2022-12-14 14:45:10,752 INFO L78 Accepts]: Start accepts. Automaton has 10264 states and 14824 transitions. Word has length 662 [2022-12-14 14:45:10,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:10,752 INFO L495 AbstractCegarLoop]: Abstraction has 10264 states and 14824 transitions. [2022-12-14 14:45:10,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (74), 3 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2022-12-14 14:45:10,752 INFO L276 IsEmpty]: Start isEmpty. Operand 10264 states and 14824 transitions. [2022-12-14 14:45:10,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2022-12-14 14:45:10,760 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:10,761 INFO L195 NwaCegarLoop]: trace histogram [61, 58, 58, 58, 58, 58, 58, 6, 5, 5, 4, 4, 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] [2022-12-14 14:45:10,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 14:45:10,761 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:45:10,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:10,761 INFO L85 PathProgramCache]: Analyzing trace with hash -516536704, now seen corresponding path program 1 times [2022-12-14 14:45:10,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:10,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325112505] [2022-12-14 14:45:10,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:10,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:11,502 INFO L134 CoverageAnalysis]: Checked inductivity of 13651 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 13641 trivial. 0 not checked. [2022-12-14 14:45:11,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:11,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325112505] [2022-12-14 14:45:11,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325112505] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:11,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:45:11,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:45:11,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591515620] [2022-12-14 14:45:11,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:11,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:45:11,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:11,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:45:11,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:45:11,504 INFO L87 Difference]: Start difference. First operand 10264 states and 14824 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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) [2022-12-14 14:45:17,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:17,294 INFO L93 Difference]: Finished difference Result 10270 states and 14829 transitions. [2022-12-14 14:45:17,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:45:17,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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 668 [2022-12-14 14:45:17,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:17,319 INFO L225 Difference]: With dead ends: 10270 [2022-12-14 14:45:17,319 INFO L226 Difference]: Without dead ends: 10268 [2022-12-14 14:45:17,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:45:17,323 INFO L413 NwaCegarLoop]: 3806 mSDtfsCounter, 4245 mSDsluCounter, 7589 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4255 SdHoareTripleChecker+Valid, 11395 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:17,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4255 Valid, 11395 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-12-14 14:45:17,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10268 states. [2022-12-14 14:45:17,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10268 to 10268. [2022-12-14 14:45:17,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10268 states, 6261 states have (on average 1.2973965820156526) internal successors, (8123), 6391 states have internal predecessors, (8123), 3351 states have call successors, (3351), 654 states have call predecessors, (3351), 653 states have return successors, (3353), 3324 states have call predecessors, (3353), 3347 states have call successors, (3353) [2022-12-14 14:45:17,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10268 states to 10268 states and 14827 transitions. [2022-12-14 14:45:17,844 INFO L78 Accepts]: Start accepts. Automaton has 10268 states and 14827 transitions. Word has length 668 [2022-12-14 14:45:17,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:17,845 INFO L495 AbstractCegarLoop]: Abstraction has 10268 states and 14827 transitions. [2022-12-14 14:45:17,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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) [2022-12-14 14:45:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 10268 states and 14827 transitions. [2022-12-14 14:45:17,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2022-12-14 14:45:17,853 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:17,854 INFO L195 NwaCegarLoop]: trace histogram [61, 58, 58, 58, 58, 58, 58, 7, 6, 6, 4, 4, 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] [2022-12-14 14:45:17,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 14:45:17,854 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:45:17,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:17,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1509766400, now seen corresponding path program 1 times [2022-12-14 14:45:17,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:17,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058922154] [2022-12-14 14:45:17,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:17,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:18,568 INFO L134 CoverageAnalysis]: Checked inductivity of 13673 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13661 trivial. 0 not checked. [2022-12-14 14:45:18,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:18,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058922154] [2022-12-14 14:45:18,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058922154] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:18,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:45:18,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:45:18,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874395392] [2022-12-14 14:45:18,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:18,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:45:18,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:18,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:45:18,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:45:18,571 INFO L87 Difference]: Start difference. First operand 10268 states and 14827 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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) [2022-12-14 14:45:25,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:25,126 INFO L93 Difference]: Finished difference Result 10274 states and 14832 transitions. [2022-12-14 14:45:25,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:45:25,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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 673 [2022-12-14 14:45:25,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:25,149 INFO L225 Difference]: With dead ends: 10274 [2022-12-14 14:45:25,149 INFO L226 Difference]: Without dead ends: 10272 [2022-12-14 14:45:25,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:45:25,153 INFO L413 NwaCegarLoop]: 3806 mSDtfsCounter, 4245 mSDsluCounter, 7589 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4254 SdHoareTripleChecker+Valid, 11395 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:25,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4254 Valid, 11395 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-12-14 14:45:25,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10272 states. [2022-12-14 14:45:25,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10272 to 10272. [2022-12-14 14:45:25,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10272 states, 6264 states have (on average 1.2972541507024267) internal successors, (8126), 6394 states have internal predecessors, (8126), 3351 states have call successors, (3351), 655 states have call predecessors, (3351), 654 states have return successors, (3353), 3324 states have call predecessors, (3353), 3347 states have call successors, (3353) [2022-12-14 14:45:25,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10272 states to 10272 states and 14830 transitions. [2022-12-14 14:45:25,694 INFO L78 Accepts]: Start accepts. Automaton has 10272 states and 14830 transitions. Word has length 673 [2022-12-14 14:45:25,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:25,694 INFO L495 AbstractCegarLoop]: Abstraction has 10272 states and 14830 transitions. [2022-12-14 14:45:25,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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) [2022-12-14 14:45:25,694 INFO L276 IsEmpty]: Start isEmpty. Operand 10272 states and 14830 transitions. [2022-12-14 14:45:25,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2022-12-14 14:45:25,703 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:25,703 INFO L195 NwaCegarLoop]: trace histogram [61, 58, 58, 58, 58, 58, 58, 8, 7, 7, 4, 4, 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] [2022-12-14 14:45:25,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 14:45:25,704 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:45:25,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:25,704 INFO L85 PathProgramCache]: Analyzing trace with hash -841856059, now seen corresponding path program 1 times [2022-12-14 14:45:25,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:25,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825666553] [2022-12-14 14:45:25,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:25,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 13698 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 13684 trivial. 0 not checked. [2022-12-14 14:45:26,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:26,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825666553] [2022-12-14 14:45:26,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825666553] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:26,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:45:26,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:45:26,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872460375] [2022-12-14 14:45:26,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:26,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:45:26,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:26,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:45:26,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:45:26,416 INFO L87 Difference]: Start difference. First operand 10272 states and 14830 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-12-14 14:45:32,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:32,229 INFO L93 Difference]: Finished difference Result 10278 states and 14835 transitions. [2022-12-14 14:45:32,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:45:32,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) Word has length 677 [2022-12-14 14:45:32,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:32,252 INFO L225 Difference]: With dead ends: 10278 [2022-12-14 14:45:32,252 INFO L226 Difference]: Without dead ends: 10276 [2022-12-14 14:45:32,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:45:32,255 INFO L413 NwaCegarLoop]: 3806 mSDtfsCounter, 4245 mSDsluCounter, 7589 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4253 SdHoareTripleChecker+Valid, 11395 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:32,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4253 Valid, 11395 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 14:45:32,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10276 states. [2022-12-14 14:45:32,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10276 to 10276. [2022-12-14 14:45:32,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10276 states, 6267 states have (on average 1.2971118557523535) internal successors, (8129), 6397 states have internal predecessors, (8129), 3351 states have call successors, (3351), 656 states have call predecessors, (3351), 655 states have return successors, (3353), 3324 states have call predecessors, (3353), 3347 states have call successors, (3353) [2022-12-14 14:45:32,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10276 states to 10276 states and 14833 transitions. [2022-12-14 14:45:32,834 INFO L78 Accepts]: Start accepts. Automaton has 10276 states and 14833 transitions. Word has length 677 [2022-12-14 14:45:32,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:32,835 INFO L495 AbstractCegarLoop]: Abstraction has 10276 states and 14833 transitions. [2022-12-14 14:45:32,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-12-14 14:45:32,835 INFO L276 IsEmpty]: Start isEmpty. Operand 10276 states and 14833 transitions. [2022-12-14 14:45:32,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2022-12-14 14:45:32,844 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:32,844 INFO L195 NwaCegarLoop]: trace histogram [61, 58, 58, 58, 58, 58, 58, 9, 8, 8, 3, 3, 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] [2022-12-14 14:45:32,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 14:45:32,844 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:45:32,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:32,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1906163339, now seen corresponding path program 1 times [2022-12-14 14:45:32,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:32,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332553517] [2022-12-14 14:45:32,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:32,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:33,539 INFO L134 CoverageAnalysis]: Checked inductivity of 13725 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13709 trivial. 0 not checked. [2022-12-14 14:45:33,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:33,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332553517] [2022-12-14 14:45:33,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332553517] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:33,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:45:33,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:45:33,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155084733] [2022-12-14 14:45:33,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:33,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:45:33,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:33,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:45:33,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:45:33,541 INFO L87 Difference]: Start difference. First operand 10276 states and 14833 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 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) [2022-12-14 14:45:39,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:39,775 INFO L93 Difference]: Finished difference Result 10282 states and 14838 transitions. [2022-12-14 14:45:39,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:45:39,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 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 676 [2022-12-14 14:45:39,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:39,795 INFO L225 Difference]: With dead ends: 10282 [2022-12-14 14:45:39,795 INFO L226 Difference]: Without dead ends: 10280 [2022-12-14 14:45:39,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:45:39,798 INFO L413 NwaCegarLoop]: 3806 mSDtfsCounter, 4246 mSDsluCounter, 7589 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4253 SdHoareTripleChecker+Valid, 11395 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:39,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4253 Valid, 11395 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 14:45:39,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10280 states. [2022-12-14 14:45:40,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10280 to 10280. [2022-12-14 14:45:40,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10280 states, 6270 states have (on average 1.2969696969696969) internal successors, (8132), 6400 states have internal predecessors, (8132), 3351 states have call successors, (3351), 657 states have call predecessors, (3351), 656 states have return successors, (3353), 3324 states have call predecessors, (3353), 3347 states have call successors, (3353) [2022-12-14 14:45:40,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10280 states to 10280 states and 14836 transitions. [2022-12-14 14:45:40,399 INFO L78 Accepts]: Start accepts. Automaton has 10280 states and 14836 transitions. Word has length 676 [2022-12-14 14:45:40,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:40,400 INFO L495 AbstractCegarLoop]: Abstraction has 10280 states and 14836 transitions. [2022-12-14 14:45:40,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 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) [2022-12-14 14:45:40,400 INFO L276 IsEmpty]: Start isEmpty. Operand 10280 states and 14836 transitions. [2022-12-14 14:45:40,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 688 [2022-12-14 14:45:40,410 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:40,410 INFO L195 NwaCegarLoop]: trace histogram [61, 58, 58, 58, 58, 58, 58, 10, 9, 9, 4, 4, 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] [2022-12-14 14:45:40,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 14:45:40,410 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:45:40,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:40,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1339961019, now seen corresponding path program 1 times [2022-12-14 14:45:40,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:40,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104837036] [2022-12-14 14:45:40,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:40,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:41,117 INFO L134 CoverageAnalysis]: Checked inductivity of 13762 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 13744 trivial. 0 not checked. [2022-12-14 14:45:41,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:41,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104837036] [2022-12-14 14:45:41,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104837036] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:41,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:45:41,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:45:41,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619903947] [2022-12-14 14:45:41,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:41,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:45:41,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:41,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:45:41,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:45:41,119 INFO L87 Difference]: Start difference. First operand 10280 states and 14836 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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) [2022-12-14 14:45:45,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:45:52,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:52,716 INFO L93 Difference]: Finished difference Result 20431 states and 29483 transitions. [2022-12-14 14:45:52,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 14:45:52,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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 687 [2022-12-14 14:45:52,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:52,765 INFO L225 Difference]: With dead ends: 20431 [2022-12-14 14:45:52,765 INFO L226 Difference]: Without dead ends: 20429 [2022-12-14 14:45:52,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:45:52,771 INFO L413 NwaCegarLoop]: 4874 mSDtfsCounter, 4245 mSDsluCounter, 13358 mSDsCounter, 0 mSdLazyCounter, 2421 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4251 SdHoareTripleChecker+Valid, 18232 SdHoareTripleChecker+Invalid, 2424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2421 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:52,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4251 Valid, 18232 Invalid, 2424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2421 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2022-12-14 14:45:52,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20429 states. [2022-12-14 14:45:53,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20429 to 20421. [2022-12-14 14:45:54,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20421 states, 12469 states have (on average 1.2985804795893816) internal successors, (16192), 12729 states have internal predecessors, (16192), 6640 states have call successors, (6640), 1311 states have call predecessors, (6640), 1309 states have return successors, (6644), 6584 states have call predecessors, (6644), 6632 states have call successors, (6644) [2022-12-14 14:45:54,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20421 states to 20421 states and 29476 transitions. [2022-12-14 14:45:54,051 INFO L78 Accepts]: Start accepts. Automaton has 20421 states and 29476 transitions. Word has length 687 [2022-12-14 14:45:54,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:54,052 INFO L495 AbstractCegarLoop]: Abstraction has 20421 states and 29476 transitions. [2022-12-14 14:45:54,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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) [2022-12-14 14:45:54,052 INFO L276 IsEmpty]: Start isEmpty. Operand 20421 states and 29476 transitions. [2022-12-14 14:45:54,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2022-12-14 14:45:54,062 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:54,062 INFO L195 NwaCegarLoop]: trace histogram [61, 58, 58, 58, 58, 58, 58, 11, 10, 10, 3, 3, 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] [2022-12-14 14:45:54,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 14:45:54,062 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:45:54,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:54,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1753791755, now seen corresponding path program 1 times [2022-12-14 14:45:54,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:54,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055295117] [2022-12-14 14:45:54,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:54,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:54,822 INFO L134 CoverageAnalysis]: Checked inductivity of 13797 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13777 trivial. 0 not checked. [2022-12-14 14:45:54,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:54,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055295117] [2022-12-14 14:45:54,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055295117] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:54,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:45:54,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:45:54,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017390391] [2022-12-14 14:45:54,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:54,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:45:54,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:54,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:45:54,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:45:54,824 INFO L87 Difference]: Start difference. First operand 20421 states and 29476 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-12-14 14:46:01,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:46:01,578 INFO L93 Difference]: Finished difference Result 20431 states and 29485 transitions. [2022-12-14 14:46:01,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:46:01,579 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) Word has length 686 [2022-12-14 14:46:01,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:46:01,622 INFO L225 Difference]: With dead ends: 20431 [2022-12-14 14:46:01,623 INFO L226 Difference]: Without dead ends: 20429 [2022-12-14 14:46:01,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:46:01,629 INFO L413 NwaCegarLoop]: 3806 mSDtfsCounter, 4246 mSDsluCounter, 7589 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4251 SdHoareTripleChecker+Valid, 11395 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:46:01,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4251 Valid, 11395 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 14:46:01,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20429 states. [2022-12-14 14:46:03,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20429 to 20429. [2022-12-14 14:46:03,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20429 states, 12475 states have (on average 1.298436873747495) internal successors, (16198), 12735 states have internal predecessors, (16198), 6640 states have call successors, (6640), 1313 states have call predecessors, (6640), 1311 states have return successors, (6644), 6584 states have call predecessors, (6644), 6632 states have call successors, (6644) [2022-12-14 14:46:03,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20429 states to 20429 states and 29482 transitions. [2022-12-14 14:46:03,129 INFO L78 Accepts]: Start accepts. Automaton has 20429 states and 29482 transitions. Word has length 686 [2022-12-14 14:46:03,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:46:03,130 INFO L495 AbstractCegarLoop]: Abstraction has 20429 states and 29482 transitions. [2022-12-14 14:46:03,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-12-14 14:46:03,130 INFO L276 IsEmpty]: Start isEmpty. Operand 20429 states and 29482 transitions. [2022-12-14 14:46:03,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2022-12-14 14:46:03,141 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:46:03,141 INFO L195 NwaCegarLoop]: trace histogram [61, 58, 58, 58, 58, 58, 58, 12, 11, 11, 4, 4, 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] [2022-12-14 14:46:03,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 14:46:03,141 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:46:03,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:46:03,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1587927355, now seen corresponding path program 1 times [2022-12-14 14:46:03,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:46:03,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534011076] [2022-12-14 14:46:03,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:46:03,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:46:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:46:03,865 INFO L134 CoverageAnalysis]: Checked inductivity of 13842 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13820 trivial. 0 not checked. [2022-12-14 14:46:03,865 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:46:03,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534011076] [2022-12-14 14:46:03,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534011076] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:46:03,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:46:03,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:46:03,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53564540] [2022-12-14 14:46:03,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:46:03,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:46:03,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:46:03,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:46:03,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:46:03,868 INFO L87 Difference]: Start difference. First operand 20429 states and 29482 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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) [2022-12-14 14:46:10,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:46:10,932 INFO L93 Difference]: Finished difference Result 20439 states and 29491 transitions. [2022-12-14 14:46:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:46:10,934 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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 697 [2022-12-14 14:46:10,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:46:10,979 INFO L225 Difference]: With dead ends: 20439 [2022-12-14 14:46:10,979 INFO L226 Difference]: Without dead ends: 20437 [2022-12-14 14:46:10,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:46:10,986 INFO L413 NwaCegarLoop]: 3806 mSDtfsCounter, 4245 mSDsluCounter, 7589 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4249 SdHoareTripleChecker+Valid, 11395 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:46:10,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4249 Valid, 11395 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 14:46:11,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20437 states. [2022-12-14 14:46:12,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20437 to 20437. [2022-12-14 14:46:12,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20437 states, 12481 states have (on average 1.2982934059770852) internal successors, (16204), 12741 states have internal predecessors, (16204), 6640 states have call successors, (6640), 1315 states have call predecessors, (6640), 1313 states have return successors, (6644), 6584 states have call predecessors, (6644), 6632 states have call successors, (6644) [2022-12-14 14:46:12,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20437 states to 20437 states and 29488 transitions. [2022-12-14 14:46:12,402 INFO L78 Accepts]: Start accepts. Automaton has 20437 states and 29488 transitions. Word has length 697 [2022-12-14 14:46:12,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:46:12,403 INFO L495 AbstractCegarLoop]: Abstraction has 20437 states and 29488 transitions. [2022-12-14 14:46:12,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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) [2022-12-14 14:46:12,403 INFO L276 IsEmpty]: Start isEmpty. Operand 20437 states and 29488 transitions. [2022-12-14 14:46:12,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2022-12-14 14:46:12,413 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:46:12,413 INFO L195 NwaCegarLoop]: trace histogram [61, 58, 58, 58, 58, 58, 58, 13, 12, 12, 4, 4, 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] [2022-12-14 14:46:12,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 14:46:12,413 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:46:12,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:46:12,414 INFO L85 PathProgramCache]: Analyzing trace with hash 934796379, now seen corresponding path program 1 times [2022-12-14 14:46:12,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:46:12,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678455603] [2022-12-14 14:46:12,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:46:12,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:46:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:46:13,140 INFO L134 CoverageAnalysis]: Checked inductivity of 13888 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 13864 trivial. 0 not checked. [2022-12-14 14:46:13,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:46:13,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678455603] [2022-12-14 14:46:13,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678455603] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:46:13,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:46:13,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:46:13,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928655125] [2022-12-14 14:46:13,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:46:13,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:46:13,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:46:13,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:46:13,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:46:13,143 INFO L87 Difference]: Start difference. First operand 20437 states and 29488 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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) [2022-12-14 14:46:20,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:46:20,561 INFO L93 Difference]: Finished difference Result 20447 states and 29497 transitions. [2022-12-14 14:46:20,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:46:20,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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 702 [2022-12-14 14:46:20,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:46:20,604 INFO L225 Difference]: With dead ends: 20447 [2022-12-14 14:46:20,604 INFO L226 Difference]: Without dead ends: 20445 [2022-12-14 14:46:20,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:46:20,611 INFO L413 NwaCegarLoop]: 3806 mSDtfsCounter, 4245 mSDsluCounter, 7589 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4248 SdHoareTripleChecker+Valid, 11395 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:46:20,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4248 Valid, 11395 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-12-14 14:46:20,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20445 states. [2022-12-14 14:46:22,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20445 to 20445. [2022-12-14 14:46:22,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20445 states, 12487 states have (on average 1.2981500760791223) internal successors, (16210), 12747 states have internal predecessors, (16210), 6640 states have call successors, (6640), 1317 states have call predecessors, (6640), 1315 states have return successors, (6644), 6584 states have call predecessors, (6644), 6632 states have call successors, (6644) [2022-12-14 14:46:22,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20445 states to 20445 states and 29494 transitions. [2022-12-14 14:46:22,135 INFO L78 Accepts]: Start accepts. Automaton has 20445 states and 29494 transitions. Word has length 702 [2022-12-14 14:46:22,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:46:22,135 INFO L495 AbstractCegarLoop]: Abstraction has 20445 states and 29494 transitions. [2022-12-14 14:46:22,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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) [2022-12-14 14:46:22,136 INFO L276 IsEmpty]: Start isEmpty. Operand 20445 states and 29494 transitions. [2022-12-14 14:46:22,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2022-12-14 14:46:22,146 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:46:22,146 INFO L195 NwaCegarLoop]: trace histogram [61, 58, 58, 58, 58, 58, 58, 14, 13, 13, 4, 4, 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] [2022-12-14 14:46:22,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 14:46:22,146 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:46:22,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:46:22,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1245177216, now seen corresponding path program 1 times [2022-12-14 14:46:22,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:46:22,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403937948] [2022-12-14 14:46:22,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:46:22,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:46:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:46:23,071 INFO L134 CoverageAnalysis]: Checked inductivity of 13939 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13913 trivial. 0 not checked. [2022-12-14 14:46:23,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:46:23,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403937948] [2022-12-14 14:46:23,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403937948] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:46:23,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:46:23,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:46:23,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919505516] [2022-12-14 14:46:23,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:46:23,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:46:23,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:46:23,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:46:23,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:46:23,074 INFO L87 Difference]: Start difference. First operand 20445 states and 29494 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (83), 3 states have call predecessors, (83), 1 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2022-12-14 14:46:30,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:46:30,282 INFO L93 Difference]: Finished difference Result 20455 states and 29503 transitions. [2022-12-14 14:46:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:46:30,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (83), 3 states have call predecessors, (83), 1 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) Word has length 708 [2022-12-14 14:46:30,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:46:30,329 INFO L225 Difference]: With dead ends: 20455 [2022-12-14 14:46:30,329 INFO L226 Difference]: Without dead ends: 20453 [2022-12-14 14:46:30,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:46:30,337 INFO L413 NwaCegarLoop]: 3806 mSDtfsCounter, 4245 mSDsluCounter, 7589 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4247 SdHoareTripleChecker+Valid, 11395 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:46:30,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4247 Valid, 11395 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 14:46:30,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20453 states. [2022-12-14 14:46:31,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20453 to 20453. [2022-12-14 14:46:31,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20453 states, 12493 states have (on average 1.2980068838549588) internal successors, (16216), 12753 states have internal predecessors, (16216), 6640 states have call successors, (6640), 1319 states have call predecessors, (6640), 1317 states have return successors, (6644), 6584 states have call predecessors, (6644), 6632 states have call successors, (6644) [2022-12-14 14:46:31,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20453 states to 20453 states and 29500 transitions. [2022-12-14 14:46:31,945 INFO L78 Accepts]: Start accepts. Automaton has 20453 states and 29500 transitions. Word has length 708 [2022-12-14 14:46:31,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:46:31,946 INFO L495 AbstractCegarLoop]: Abstraction has 20453 states and 29500 transitions. [2022-12-14 14:46:31,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (83), 3 states have call predecessors, (83), 1 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2022-12-14 14:46:31,946 INFO L276 IsEmpty]: Start isEmpty. Operand 20453 states and 29500 transitions. [2022-12-14 14:46:31,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2022-12-14 14:46:31,956 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:46:31,956 INFO L195 NwaCegarLoop]: trace histogram [61, 58, 58, 58, 58, 58, 58, 15, 14, 14, 3, 3, 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] [2022-12-14 14:46:31,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 14:46:31,957 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:46:31,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:46:31,957 INFO L85 PathProgramCache]: Analyzing trace with hash -61426187, now seen corresponding path program 1 times [2022-12-14 14:46:31,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:46:31,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208001121] [2022-12-14 14:46:31,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:46:31,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:46:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:46:32,654 INFO L134 CoverageAnalysis]: Checked inductivity of 13989 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 13961 trivial. 0 not checked. [2022-12-14 14:46:32,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:46:32,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208001121] [2022-12-14 14:46:32,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208001121] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:46:32,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:46:32,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:46:32,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248851291] [2022-12-14 14:46:32,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:46:32,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:46:32,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:46:32,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:46:32,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:46:32,656 INFO L87 Difference]: Start difference. First operand 20453 states and 29500 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 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) [2022-12-14 14:46:39,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:46:39,667 INFO L93 Difference]: Finished difference Result 21113 states and 30386 transitions. [2022-12-14 14:46:39,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:46:39,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 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 706 [2022-12-14 14:46:39,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:46:39,711 INFO L225 Difference]: With dead ends: 21113 [2022-12-14 14:46:39,712 INFO L226 Difference]: Without dead ends: 21109 [2022-12-14 14:46:39,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:46:39,718 INFO L413 NwaCegarLoop]: 3909 mSDtfsCounter, 4234 mSDsluCounter, 8006 mSDsCounter, 0 mSdLazyCounter, 1830 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4235 SdHoareTripleChecker+Valid, 11915 SdHoareTripleChecker+Invalid, 1832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:46:39,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4235 Valid, 11915 Invalid, 1832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1830 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 14:46:39,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21109 states. [2022-12-14 14:46:41,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21109 to 21107. [2022-12-14 14:46:41,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21107 states, 12858 states have (on average 1.2953803079794681) internal successors, (16656), 13137 states have internal predecessors, (16656), 6860 states have call successors, (6860), 1389 states have call predecessors, (6860), 1386 states have return successors, (6864), 6804 states have call predecessors, (6864), 6852 states have call successors, (6864) [2022-12-14 14:46:41,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21107 states to 21107 states and 30380 transitions. [2022-12-14 14:46:41,447 INFO L78 Accepts]: Start accepts. Automaton has 21107 states and 30380 transitions. Word has length 706 [2022-12-14 14:46:41,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:46:41,448 INFO L495 AbstractCegarLoop]: Abstraction has 21107 states and 30380 transitions. [2022-12-14 14:46:41,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 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) [2022-12-14 14:46:41,448 INFO L276 IsEmpty]: Start isEmpty. Operand 21107 states and 30380 transitions. [2022-12-14 14:46:41,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2022-12-14 14:46:41,458 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:46:41,458 INFO L195 NwaCegarLoop]: trace histogram [61, 58, 58, 58, 58, 58, 58, 16, 15, 15, 4, 4, 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] [2022-12-14 14:46:41,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 14:46:41,459 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:46:41,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:46:41,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1954558656, now seen corresponding path program 1 times [2022-12-14 14:46:41,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:46:41,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071034802] [2022-12-14 14:46:41,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:46:41,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:46:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:46:42,165 INFO L134 CoverageAnalysis]: Checked inductivity of 14051 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14021 trivial. 0 not checked. [2022-12-14 14:46:42,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:46:42,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071034802] [2022-12-14 14:46:42,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071034802] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:46:42,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:46:42,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:46:42,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099334733] [2022-12-14 14:46:42,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:46:42,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:46:42,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:46:42,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:46:42,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:46:42,168 INFO L87 Difference]: Start difference. First operand 21107 states and 30380 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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) [2022-12-14 14:46:49,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:46:49,921 INFO L93 Difference]: Finished difference Result 21113 states and 30385 transitions. [2022-12-14 14:46:49,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:46:49,922 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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 718 [2022-12-14 14:46:49,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:46:49,975 INFO L225 Difference]: With dead ends: 21113 [2022-12-14 14:46:49,975 INFO L226 Difference]: Without dead ends: 20972 [2022-12-14 14:46:49,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:46:49,983 INFO L413 NwaCegarLoop]: 3807 mSDtfsCounter, 4245 mSDsluCounter, 7591 mSDsCounter, 0 mSdLazyCounter, 1793 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4245 SdHoareTripleChecker+Valid, 11398 SdHoareTripleChecker+Invalid, 1794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:46:49,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4245 Valid, 11398 Invalid, 1794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1793 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-12-14 14:46:49,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20972 states. [2022-12-14 14:46:51,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20972 to 20972. [2022-12-14 14:46:51,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20972 states, 12787 states have (on average 1.296472980370689) internal successors, (16578), 13060 states have internal predecessors, (16578), 6821 states have call successors, (6821), 1363 states have call predecessors, (6821), 1361 states have return successors, (6829), 6772 states have call predecessors, (6829), 6817 states have call successors, (6829) [2022-12-14 14:46:51,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20972 states to 20972 states and 30228 transitions. [2022-12-14 14:46:51,789 INFO L78 Accepts]: Start accepts. Automaton has 20972 states and 30228 transitions. Word has length 718 [2022-12-14 14:46:51,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:46:51,789 INFO L495 AbstractCegarLoop]: Abstraction has 20972 states and 30228 transitions. [2022-12-14 14:46:51,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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) [2022-12-14 14:46:51,790 INFO L276 IsEmpty]: Start isEmpty. Operand 20972 states and 30228 transitions. [2022-12-14 14:46:51,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2022-12-14 14:46:51,807 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:46:51,808 INFO L195 NwaCegarLoop]: trace histogram [65, 59, 59, 59, 59, 59, 59, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:46:51,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 14:46:51,808 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:46:51,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:46:51,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1692083815, now seen corresponding path program 1 times [2022-12-14 14:46:51,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:46:51,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070794077] [2022-12-14 14:46:51,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:46:51,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:46:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:46:52,434 INFO L134 CoverageAnalysis]: Checked inductivity of 14523 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 14514 trivial. 0 not checked. [2022-12-14 14:46:52,435 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:46:52,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070794077] [2022-12-14 14:46:52,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070794077] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:46:52,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:46:52,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:46:52,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608978951] [2022-12-14 14:46:52,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:46:52,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:46:52,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:46:52,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:46:52,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:46:52,438 INFO L87 Difference]: Start difference. First operand 20972 states and 30228 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 3 states have call successors, (94), 2 states have call predecessors, (94), 1 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) [2022-12-14 14:47:00,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:47:00,507 INFO L93 Difference]: Finished difference Result 39359 states and 56640 transitions. [2022-12-14 14:47:00,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:47:00,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 3 states have call successors, (94), 2 states have call predecessors, (94), 1 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) Word has length 820 [2022-12-14 14:47:00,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:47:00,549 INFO L225 Difference]: With dead ends: 39359 [2022-12-14 14:47:00,549 INFO L226 Difference]: Without dead ends: 18522 [2022-12-14 14:47:00,586 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 [2022-12-14 14:47:00,587 INFO L413 NwaCegarLoop]: 5640 mSDtfsCounter, 2949 mSDsluCounter, 3755 mSDsCounter, 0 mSdLazyCounter, 1488 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 9395 SdHoareTripleChecker+Invalid, 1504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:47:00,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 9395 Invalid, 1504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1488 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-12-14 14:47:00,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18522 states. [2022-12-14 14:47:02,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18522 to 18461. [2022-12-14 14:47:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18461 states, 11188 states have (on average 1.2952270289595995) internal successors, (14491), 11444 states have internal predecessors, (14491), 5988 states have call successors, (5988), 1284 states have call predecessors, (5988), 1282 states have return successors, (5994), 5935 states have call predecessors, (5994), 5984 states have call successors, (5994) [2022-12-14 14:47:02,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18461 states to 18461 states and 26473 transitions. [2022-12-14 14:47:02,177 INFO L78 Accepts]: Start accepts. Automaton has 18461 states and 26473 transitions. Word has length 820 [2022-12-14 14:47:02,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:47:02,178 INFO L495 AbstractCegarLoop]: Abstraction has 18461 states and 26473 transitions. [2022-12-14 14:47:02,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 3 states have call successors, (94), 2 states have call predecessors, (94), 1 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) [2022-12-14 14:47:02,178 INFO L276 IsEmpty]: Start isEmpty. Operand 18461 states and 26473 transitions. [2022-12-14 14:47:02,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 893 [2022-12-14 14:47:02,194 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:47:02,194 INFO L195 NwaCegarLoop]: trace histogram [69, 60, 60, 60, 60, 60, 60, 12, 12, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:47:02,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 14:47:02,195 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:47:02,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:47:02,195 INFO L85 PathProgramCache]: Analyzing trace with hash -2116586642, now seen corresponding path program 1 times [2022-12-14 14:47:02,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:47:02,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311478124] [2022-12-14 14:47:02,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:47:02,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:47:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:47:02,790 INFO L134 CoverageAnalysis]: Checked inductivity of 15533 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 15518 trivial. 0 not checked. [2022-12-14 14:47:02,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:47:02,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311478124] [2022-12-14 14:47:02,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311478124] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:47:02,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:47:02,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:47:02,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864695739] [2022-12-14 14:47:02,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:47:02,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:47:02,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:47:02,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:47:02,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:47:02,794 INFO L87 Difference]: Start difference. First operand 18461 states and 26473 transitions. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 3 states have call predecessors, (103), 3 states have call successors, (103) [2022-12-14 14:47:10,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:47:10,844 INFO L93 Difference]: Finished difference Result 43192 states and 61822 transitions. [2022-12-14 14:47:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:47:10,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 3 states have call predecessors, (103), 3 states have call successors, (103) Word has length 892 [2022-12-14 14:47:10,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:47:10,913 INFO L225 Difference]: With dead ends: 43192 [2022-12-14 14:47:10,914 INFO L226 Difference]: Without dead ends: 25521 [2022-12-14 14:47:10,948 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 [2022-12-14 14:47:10,948 INFO L413 NwaCegarLoop]: 6294 mSDtfsCounter, 2938 mSDsluCounter, 3755 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2938 SdHoareTripleChecker+Valid, 10049 SdHoareTripleChecker+Invalid, 1689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:47:10,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2938 Valid, 10049 Invalid, 1689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-12-14 14:47:10,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25521 states. [2022-12-14 14:47:13,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25521 to 25460. [2022-12-14 14:47:13,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25460 states, 15389 states have (on average 1.2941711612190525) internal successors, (19916), 15758 states have internal predecessors, (19916), 8248 states have call successors, (8248), 1822 states have call predecessors, (8248), 1820 states have return successors, (8258), 8170 states have call predecessors, (8258), 8244 states have call successors, (8258) [2022-12-14 14:47:13,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25460 states to 25460 states and 36422 transitions. [2022-12-14 14:47:13,147 INFO L78 Accepts]: Start accepts. Automaton has 25460 states and 36422 transitions. Word has length 892 [2022-12-14 14:47:13,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:47:13,147 INFO L495 AbstractCegarLoop]: Abstraction has 25460 states and 36422 transitions. [2022-12-14 14:47:13,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 3 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (103), 3 states have call predecessors, (103), 3 states have call successors, (103) [2022-12-14 14:47:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 25460 states and 36422 transitions. [2022-12-14 14:47:13,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 959 [2022-12-14 14:47:13,166 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:47:13,167 INFO L195 NwaCegarLoop]: trace histogram [71, 60, 60, 60, 60, 60, 60, 16, 16, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:47:13,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 14:47:13,167 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:47:13,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:47:13,167 INFO L85 PathProgramCache]: Analyzing trace with hash 644215192, now seen corresponding path program 1 times [2022-12-14 14:47:13,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:47:13,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516122865] [2022-12-14 14:47:13,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:47:13,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:47:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:47:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 16023 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 16001 trivial. 0 not checked. [2022-12-14 14:47:13,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:47:13,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516122865] [2022-12-14 14:47:13,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516122865] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:47:13,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:47:13,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:47:13,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299751129] [2022-12-14 14:47:13,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:47:13,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:47:13,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:47:13,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:47:13,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:47:13,860 INFO L87 Difference]: Start difference. First operand 25460 states and 36422 transitions. Second operand has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 2 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2022-12-14 14:47:31,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:47:31,953 INFO L93 Difference]: Finished difference Result 82738 states and 124191 transitions. [2022-12-14 14:47:31,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:47:31,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 2 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 958 [2022-12-14 14:47:31,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:47:32,115 INFO L225 Difference]: With dead ends: 82738 [2022-12-14 14:47:32,115 INFO L226 Difference]: Without dead ends: 58068 [2022-12-14 14:47:32,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:47:32,174 INFO L413 NwaCegarLoop]: 7835 mSDtfsCounter, 3502 mSDsluCounter, 11988 mSDsCounter, 0 mSdLazyCounter, 2920 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4469 SdHoareTripleChecker+Valid, 19823 SdHoareTripleChecker+Invalid, 3923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 2920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:47:32,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4469 Valid, 19823 Invalid, 3923 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1003 Valid, 2920 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2022-12-14 14:47:32,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58068 states. [2022-12-14 14:47:35,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58068 to 25468. [2022-12-14 14:47:35,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25468 states, 15397 states have (on average 1.2940183152562188) internal successors, (19924), 15766 states have internal predecessors, (19924), 8248 states have call successors, (8248), 1822 states have call predecessors, (8248), 1820 states have return successors, (8258), 8170 states have call predecessors, (8258), 8244 states have call successors, (8258) [2022-12-14 14:47:35,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25468 states to 25468 states and 36430 transitions. [2022-12-14 14:47:35,567 INFO L78 Accepts]: Start accepts. Automaton has 25468 states and 36430 transitions. Word has length 958 [2022-12-14 14:47:35,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:47:35,568 INFO L495 AbstractCegarLoop]: Abstraction has 25468 states and 36430 transitions. [2022-12-14 14:47:35,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 2 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2022-12-14 14:47:35,568 INFO L276 IsEmpty]: Start isEmpty. Operand 25468 states and 36430 transitions. [2022-12-14 14:47:35,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 966 [2022-12-14 14:47:35,587 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:47:35,588 INFO L195 NwaCegarLoop]: trace histogram [71, 60, 60, 60, 60, 60, 60, 16, 16, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:47:35,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 14:47:35,588 INFO L420 AbstractCegarLoop]: === Iteration 23 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:47:35,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:47:35,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1348842690, now seen corresponding path program 1 times [2022-12-14 14:47:35,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:47:35,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904540109] [2022-12-14 14:47:35,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:47:35,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:47:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:47:36,135 INFO L134 CoverageAnalysis]: Checked inductivity of 16025 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16001 trivial. 0 not checked. [2022-12-14 14:47:36,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:47:36,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904540109] [2022-12-14 14:47:36,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904540109] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:47:36,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:47:36,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:47:36,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706160169] [2022-12-14 14:47:36,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:47:36,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:47:36,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:47:36,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:47:36,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:47:36,138 INFO L87 Difference]: Start difference. First operand 25468 states and 36430 transitions. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 3 states have call successors, (111), 2 states have call predecessors, (111), 1 states have return successors, (110), 3 states have call predecessors, (110), 3 states have call successors, (110) [2022-12-14 14:47:45,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:47:45,512 INFO L93 Difference]: Finished difference Result 57746 states and 82866 transitions. [2022-12-14 14:47:45,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:47:45,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 3 states have call successors, (111), 2 states have call predecessors, (111), 1 states have return successors, (110), 3 states have call predecessors, (110), 3 states have call successors, (110) Word has length 965 [2022-12-14 14:47:45,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:47:45,593 INFO L225 Difference]: With dead ends: 57746 [2022-12-14 14:47:45,593 INFO L226 Difference]: Without dead ends: 33068 [2022-12-14 14:47:45,635 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 [2022-12-14 14:47:45,636 INFO L413 NwaCegarLoop]: 6522 mSDtfsCounter, 3188 mSDsluCounter, 3752 mSDsCounter, 0 mSdLazyCounter, 1661 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3188 SdHoareTripleChecker+Valid, 10274 SdHoareTripleChecker+Invalid, 1665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:47:45,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3188 Valid, 10274 Invalid, 1665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1661 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 14:47:45,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33068 states. [2022-12-14 14:47:49,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33068 to 33011. [2022-12-14 14:47:49,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33011 states, 20101 states have (on average 1.3060544251529775) internal successors, (26253), 20547 states have internal predecessors, (26253), 10641 states have call successors, (10641), 2272 states have call predecessors, (10641), 2266 states have return successors, (10653), 10536 states have call predecessors, (10653), 10637 states have call successors, (10653) [2022-12-14 14:47:49,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33011 states to 33011 states and 47547 transitions. [2022-12-14 14:47:49,216 INFO L78 Accepts]: Start accepts. Automaton has 33011 states and 47547 transitions. Word has length 965 [2022-12-14 14:47:49,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:47:49,217 INFO L495 AbstractCegarLoop]: Abstraction has 33011 states and 47547 transitions. [2022-12-14 14:47:49,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 3 states have call successors, (111), 2 states have call predecessors, (111), 1 states have return successors, (110), 3 states have call predecessors, (110), 3 states have call successors, (110) [2022-12-14 14:47:49,218 INFO L276 IsEmpty]: Start isEmpty. Operand 33011 states and 47547 transitions. [2022-12-14 14:47:49,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 992 [2022-12-14 14:47:49,240 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:47:49,240 INFO L195 NwaCegarLoop]: trace histogram [73, 60, 60, 60, 60, 60, 60, 16, 16, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:47:49,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 14:47:49,241 INFO L420 AbstractCegarLoop]: === Iteration 24 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:47:49,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:47:49,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1915853336, now seen corresponding path program 1 times [2022-12-14 14:47:49,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:47:49,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056146802] [2022-12-14 14:47:49,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:47:49,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:47:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:47:49,937 INFO L134 CoverageAnalysis]: Checked inductivity of 16345 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16311 trivial. 0 not checked. [2022-12-14 14:47:49,937 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:47:49,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056146802] [2022-12-14 14:47:49,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056146802] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:47:49,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:47:49,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:47:49,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666358257] [2022-12-14 14:47:49,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:47:49,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:47:49,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:47:49,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:47:49,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:47:49,940 INFO L87 Difference]: Start difference. First operand 33011 states and 47547 transitions. Second operand has 5 states, 5 states have (on average 51.0) internal successors, (255), 4 states have internal predecessors, (255), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:48:04,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:48:04,399 INFO L93 Difference]: Finished difference Result 72652 states and 104740 transitions. [2022-12-14 14:48:04,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:48:04,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 51.0) internal successors, (255), 4 states have internal predecessors, (255), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) Word has length 991 [2022-12-14 14:48:04,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:48:04,514 INFO L225 Difference]: With dead ends: 72652 [2022-12-14 14:48:04,514 INFO L226 Difference]: Without dead ends: 40431 [2022-12-14 14:48:04,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:48:04,571 INFO L413 NwaCegarLoop]: 6521 mSDtfsCounter, 3149 mSDsluCounter, 16794 mSDsCounter, 0 mSdLazyCounter, 3714 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3149 SdHoareTripleChecker+Valid, 23315 SdHoareTripleChecker+Invalid, 3715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-12-14 14:48:04,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3149 Valid, 23315 Invalid, 3715 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3714 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2022-12-14 14:48:04,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40431 states. [2022-12-14 14:48:08,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40431 to 40362. [2022-12-14 14:48:08,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40362 states, 24619 states have (on average 1.3093139445143995) internal successors, (32234), 25142 states have internal predecessors, (32234), 13028 states have call successors, (13028), 2716 states have call predecessors, (13028), 2712 states have return successors, (13048), 12902 states have call predecessors, (13048), 13024 states have call successors, (13048) [2022-12-14 14:48:09,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40362 states to 40362 states and 58310 transitions. [2022-12-14 14:48:09,011 INFO L78 Accepts]: Start accepts. Automaton has 40362 states and 58310 transitions. Word has length 991 [2022-12-14 14:48:09,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:48:09,012 INFO L495 AbstractCegarLoop]: Abstraction has 40362 states and 58310 transitions. [2022-12-14 14:48:09,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 51.0) internal successors, (255), 4 states have internal predecessors, (255), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:48:09,012 INFO L276 IsEmpty]: Start isEmpty. Operand 40362 states and 58310 transitions. [2022-12-14 14:48:09,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 993 [2022-12-14 14:48:09,038 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:48:09,038 INFO L195 NwaCegarLoop]: trace histogram [73, 60, 60, 60, 60, 60, 60, 16, 16, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:48:09,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 14:48:09,038 INFO L420 AbstractCegarLoop]: === Iteration 25 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:48:09,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:48:09,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1117516006, now seen corresponding path program 1 times [2022-12-14 14:48:09,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:48:09,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114049133] [2022-12-14 14:48:09,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:48:09,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:48:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:48:09,774 INFO L134 CoverageAnalysis]: Checked inductivity of 16345 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16311 trivial. 0 not checked. [2022-12-14 14:48:09,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:48:09,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114049133] [2022-12-14 14:48:09,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114049133] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:48:09,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:48:09,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:48:09,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823134755] [2022-12-14 14:48:09,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:48:09,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:48:09,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:48:09,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:48:09,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:48:09,776 INFO L87 Difference]: Start difference. First operand 40362 states and 58310 transitions. Second operand has 5 states, 5 states have (on average 51.2) internal successors, (256), 4 states have internal predecessors, (256), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:48:26,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:48:26,787 INFO L93 Difference]: Finished difference Result 87366 states and 126290 transitions. [2022-12-14 14:48:26,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:48:26,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 51.2) internal successors, (256), 4 states have internal predecessors, (256), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) Word has length 992 [2022-12-14 14:48:26,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:48:26,969 INFO L225 Difference]: With dead ends: 87366 [2022-12-14 14:48:26,969 INFO L226 Difference]: Without dead ends: 47794 [2022-12-14 14:48:27,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:48:27,042 INFO L413 NwaCegarLoop]: 6526 mSDtfsCounter, 3154 mSDsluCounter, 16799 mSDsCounter, 0 mSdLazyCounter, 3718 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3154 SdHoareTripleChecker+Valid, 23325 SdHoareTripleChecker+Invalid, 3721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:48:27,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3154 Valid, 23325 Invalid, 3721 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3718 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2022-12-14 14:48:27,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47794 states. [2022-12-14 14:48:32,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47794 to 47725. [2022-12-14 14:48:32,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47725 states, 29149 states have (on average 1.3114343545233114) internal successors, (38227), 29749 states have internal predecessors, (38227), 15415 states have call successors, (15415), 3160 states have call predecessors, (15415), 3158 states have return successors, (15443), 15268 states have call predecessors, (15443), 15411 states have call successors, (15443) [2022-12-14 14:48:32,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47725 states to 47725 states and 69085 transitions. [2022-12-14 14:48:32,298 INFO L78 Accepts]: Start accepts. Automaton has 47725 states and 69085 transitions. Word has length 992 [2022-12-14 14:48:32,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:48:32,299 INFO L495 AbstractCegarLoop]: Abstraction has 47725 states and 69085 transitions. [2022-12-14 14:48:32,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 51.2) internal successors, (256), 4 states have internal predecessors, (256), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:48:32,299 INFO L276 IsEmpty]: Start isEmpty. Operand 47725 states and 69085 transitions. [2022-12-14 14:48:32,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 994 [2022-12-14 14:48:32,327 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:48:32,327 INFO L195 NwaCegarLoop]: trace histogram [73, 60, 60, 60, 60, 60, 60, 16, 16, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:48:32,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 14:48:32,327 INFO L420 AbstractCegarLoop]: === Iteration 26 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:48:32,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:48:32,328 INFO L85 PathProgramCache]: Analyzing trace with hash -277462199, now seen corresponding path program 1 times [2022-12-14 14:48:32,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:48:32,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034103244] [2022-12-14 14:48:32,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:48:32,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:48:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:48:33,095 INFO L134 CoverageAnalysis]: Checked inductivity of 16345 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16311 trivial. 0 not checked. [2022-12-14 14:48:33,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:48:33,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034103244] [2022-12-14 14:48:33,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034103244] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:48:33,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:48:33,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:48:33,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559499639] [2022-12-14 14:48:33,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:48:33,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:48:33,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:48:33,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:48:33,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:48:33,098 INFO L87 Difference]: Start difference. First operand 47725 states and 69085 transitions. Second operand has 5 states, 5 states have (on average 51.4) internal successors, (257), 4 states have internal predecessors, (257), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:48:49,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:48:49,781 INFO L93 Difference]: Finished difference Result 102158 states and 147924 transitions. [2022-12-14 14:48:49,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:48:49,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 51.4) internal successors, (257), 4 states have internal predecessors, (257), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) Word has length 993 [2022-12-14 14:48:49,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:48:49,953 INFO L225 Difference]: With dead ends: 102158 [2022-12-14 14:48:49,953 INFO L226 Difference]: Without dead ends: 55223 [2022-12-14 14:48:50,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:48:50,048 INFO L413 NwaCegarLoop]: 6527 mSDtfsCounter, 3174 mSDsluCounter, 16790 mSDsCounter, 0 mSdLazyCounter, 3726 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3174 SdHoareTripleChecker+Valid, 23317 SdHoareTripleChecker+Invalid, 3732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:48:50,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3174 Valid, 23317 Invalid, 3732 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 3726 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2022-12-14 14:48:50,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55223 states. [2022-12-14 14:48:56,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55223 to 55154. [2022-12-14 14:48:56,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55154 states, 33721 states have (on average 1.3125945256664986) internal successors, (44262), 34398 states have internal predecessors, (44262), 17814 states have call successors, (17814), 3616 states have call predecessors, (17814), 3616 states have return successors, (17850), 17646 states have call predecessors, (17850), 17810 states have call successors, (17850) [2022-12-14 14:48:56,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55154 states to 55154 states and 79926 transitions. [2022-12-14 14:48:56,232 INFO L78 Accepts]: Start accepts. Automaton has 55154 states and 79926 transitions. Word has length 993 [2022-12-14 14:48:56,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:48:56,233 INFO L495 AbstractCegarLoop]: Abstraction has 55154 states and 79926 transitions. [2022-12-14 14:48:56,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 51.4) internal successors, (257), 4 states have internal predecessors, (257), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:48:56,233 INFO L276 IsEmpty]: Start isEmpty. Operand 55154 states and 79926 transitions. [2022-12-14 14:48:56,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 995 [2022-12-14 14:48:56,265 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:48:56,265 INFO L195 NwaCegarLoop]: trace histogram [73, 60, 60, 60, 60, 60, 60, 16, 16, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:48:56,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 14:48:56,265 INFO L420 AbstractCegarLoop]: === Iteration 27 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:48:56,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:48:56,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1175597126, now seen corresponding path program 1 times [2022-12-14 14:48:56,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:48:56,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773708476] [2022-12-14 14:48:56,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:48:56,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:48:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:48:56,972 INFO L134 CoverageAnalysis]: Checked inductivity of 16345 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16311 trivial. 0 not checked. [2022-12-14 14:48:56,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:48:56,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773708476] [2022-12-14 14:48:56,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773708476] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:48:56,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:48:56,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:48:56,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788643489] [2022-12-14 14:48:56,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:48:56,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:48:56,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:48:56,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:48:56,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:48:56,976 INFO L87 Difference]: Start difference. First operand 55154 states and 79926 transitions. Second operand has 5 states, 5 states have (on average 51.6) internal successors, (258), 4 states have internal predecessors, (258), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:49:13,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:49:13,728 INFO L93 Difference]: Finished difference Result 117406 states and 170142 transitions. [2022-12-14 14:49:13,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:49:13,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 51.6) internal successors, (258), 4 states have internal predecessors, (258), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) Word has length 994 [2022-12-14 14:49:13,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:49:13,912 INFO L225 Difference]: With dead ends: 117406 [2022-12-14 14:49:13,913 INFO L226 Difference]: Without dead ends: 63042 [2022-12-14 14:49:14,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:49:14,018 INFO L413 NwaCegarLoop]: 6584 mSDtfsCounter, 3251 mSDsluCounter, 16899 mSDsCounter, 0 mSdLazyCounter, 3740 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3251 SdHoareTripleChecker+Valid, 23483 SdHoareTripleChecker+Invalid, 3747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:49:14,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3251 Valid, 23483 Invalid, 3747 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 3740 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2022-12-14 14:49:14,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63042 states. [2022-12-14 14:49:21,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63042 to 62973. [2022-12-14 14:49:21,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62973 states, 38519 states have (on average 1.3134037747605078) internal successors, (50591), 39293 states have internal predecessors, (50591), 20331 states have call successors, (20331), 4118 states have call predecessors, (20331), 4120 states have return successors, (20375), 20142 states have call predecessors, (20375), 20327 states have call successors, (20375) [2022-12-14 14:49:21,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62973 states to 62973 states and 91297 transitions. [2022-12-14 14:49:21,337 INFO L78 Accepts]: Start accepts. Automaton has 62973 states and 91297 transitions. Word has length 994 [2022-12-14 14:49:21,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:49:21,338 INFO L495 AbstractCegarLoop]: Abstraction has 62973 states and 91297 transitions. [2022-12-14 14:49:21,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 51.6) internal successors, (258), 4 states have internal predecessors, (258), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:49:21,338 INFO L276 IsEmpty]: Start isEmpty. Operand 62973 states and 91297 transitions. [2022-12-14 14:49:21,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 996 [2022-12-14 14:49:21,374 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:49:21,374 INFO L195 NwaCegarLoop]: trace histogram [73, 60, 60, 60, 60, 60, 60, 16, 16, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:49:21,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 14:49:21,375 INFO L420 AbstractCegarLoop]: === Iteration 28 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:49:21,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:49:21,375 INFO L85 PathProgramCache]: Analyzing trace with hash 275499046, now seen corresponding path program 1 times [2022-12-14 14:49:21,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:49:21,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220884025] [2022-12-14 14:49:21,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:49:21,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:49:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:49:22,069 INFO L134 CoverageAnalysis]: Checked inductivity of 16345 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16311 trivial. 0 not checked. [2022-12-14 14:49:22,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:49:22,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220884025] [2022-12-14 14:49:22,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220884025] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:49:22,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:49:22,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:49:22,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4125941] [2022-12-14 14:49:22,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:49:22,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:49:22,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:49:22,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:49:22,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:49:22,071 INFO L87 Difference]: Start difference. First operand 62973 states and 91297 transitions. Second operand has 5 states, 5 states have (on average 51.8) internal successors, (259), 4 states have internal predecessors, (259), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:49:40,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:49:40,943 INFO L93 Difference]: Finished difference Result 132618 states and 192324 transitions. [2022-12-14 14:49:40,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:49:40,947 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 51.8) internal successors, (259), 4 states have internal predecessors, (259), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) Word has length 995 [2022-12-14 14:49:40,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:49:41,156 INFO L225 Difference]: With dead ends: 132618 [2022-12-14 14:49:41,156 INFO L226 Difference]: Without dead ends: 70435 [2022-12-14 14:49:41,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:49:41,283 INFO L413 NwaCegarLoop]: 6525 mSDtfsCounter, 3148 mSDsluCounter, 16802 mSDsCounter, 0 mSdLazyCounter, 3734 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3148 SdHoareTripleChecker+Valid, 23327 SdHoareTripleChecker+Invalid, 3741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:49:41,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3148 Valid, 23327 Invalid, 3741 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 3734 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2022-12-14 14:49:41,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70435 states. [2022-12-14 14:49:49,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70435 to 70366. [2022-12-14 14:49:49,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70366 states, 43079 states have (on average 1.3141902086863668) internal successors, (56614), 43930 states have internal predecessors, (56614), 22718 states have call successors, (22718), 4562 states have call predecessors, (22718), 4566 states have return successors, (22770), 22508 states have call predecessors, (22770), 22714 states have call successors, (22770) [2022-12-14 14:49:49,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70366 states to 70366 states and 102102 transitions. [2022-12-14 14:49:49,545 INFO L78 Accepts]: Start accepts. Automaton has 70366 states and 102102 transitions. Word has length 995 [2022-12-14 14:49:49,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:49:49,546 INFO L495 AbstractCegarLoop]: Abstraction has 70366 states and 102102 transitions. [2022-12-14 14:49:49,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 51.8) internal successors, (259), 4 states have internal predecessors, (259), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:49:49,547 INFO L276 IsEmpty]: Start isEmpty. Operand 70366 states and 102102 transitions. [2022-12-14 14:49:49,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 997 [2022-12-14 14:49:49,586 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:49:49,586 INFO L195 NwaCegarLoop]: trace histogram [73, 60, 60, 60, 60, 60, 60, 16, 16, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:49:49,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 14:49:49,587 INFO L420 AbstractCegarLoop]: === Iteration 29 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:49:49,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:49:49,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1687204318, now seen corresponding path program 1 times [2022-12-14 14:49:49,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:49:49,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960413968] [2022-12-14 14:49:49,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:49:49,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:49:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:49:50,290 INFO L134 CoverageAnalysis]: Checked inductivity of 16345 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16311 trivial. 0 not checked. [2022-12-14 14:49:50,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:49:50,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960413968] [2022-12-14 14:49:50,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960413968] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:49:50,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:49:50,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:49:50,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471825988] [2022-12-14 14:49:50,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:49:50,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:49:50,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:49:50,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:49:50,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:49:50,293 INFO L87 Difference]: Start difference. First operand 70366 states and 102102 transitions. Second operand has 5 states, 5 states have (on average 52.0) internal successors, (260), 4 states have internal predecessors, (260), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:50:08,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:50:08,748 INFO L93 Difference]: Finished difference Result 147458 states and 213994 transitions. [2022-12-14 14:50:08,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:50:08,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 52.0) internal successors, (260), 4 states have internal predecessors, (260), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) Word has length 996 [2022-12-14 14:50:08,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:50:09,023 INFO L225 Difference]: With dead ends: 147458 [2022-12-14 14:50:09,023 INFO L226 Difference]: Without dead ends: 77882 [2022-12-14 14:50:09,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:50:09,152 INFO L413 NwaCegarLoop]: 6531 mSDtfsCounter, 3159 mSDsluCounter, 16812 mSDsCounter, 0 mSdLazyCounter, 3742 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3159 SdHoareTripleChecker+Valid, 23343 SdHoareTripleChecker+Invalid, 3751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:50:09,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3159 Valid, 23343 Invalid, 3751 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3742 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-12-14 14:50:09,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77882 states. [2022-12-14 14:50:18,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77882 to 77813. [2022-12-14 14:50:18,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77813 states, 47669 states have (on average 1.3146279552749167) internal successors, (62667), 48597 states have internal predecessors, (62667), 25117 states have call successors, (25117), 5018 states have call predecessors, (25117), 5024 states have return successors, (25177), 24886 states have call predecessors, (25177), 25113 states have call successors, (25177) [2022-12-14 14:50:18,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77813 states to 77813 states and 112961 transitions. [2022-12-14 14:50:18,699 INFO L78 Accepts]: Start accepts. Automaton has 77813 states and 112961 transitions. Word has length 996 [2022-12-14 14:50:18,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:50:18,700 INFO L495 AbstractCegarLoop]: Abstraction has 77813 states and 112961 transitions. [2022-12-14 14:50:18,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.0) internal successors, (260), 4 states have internal predecessors, (260), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:50:18,701 INFO L276 IsEmpty]: Start isEmpty. Operand 77813 states and 112961 transitions. [2022-12-14 14:50:18,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 998 [2022-12-14 14:50:18,742 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:50:18,742 INFO L195 NwaCegarLoop]: trace histogram [73, 60, 60, 60, 60, 60, 60, 16, 16, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:50:18,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 14:50:18,742 INFO L420 AbstractCegarLoop]: === Iteration 30 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:50:18,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:50:18,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1435871215, now seen corresponding path program 1 times [2022-12-14 14:50:18,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:50:18,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639101668] [2022-12-14 14:50:18,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:50:18,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:50:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:50:19,504 INFO L134 CoverageAnalysis]: Checked inductivity of 16345 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16311 trivial. 0 not checked. [2022-12-14 14:50:19,505 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:50:19,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639101668] [2022-12-14 14:50:19,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639101668] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:50:19,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:50:19,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:50:19,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718181031] [2022-12-14 14:50:19,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:50:19,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:50:19,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:50:19,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:50:19,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:50:19,506 INFO L87 Difference]: Start difference. First operand 77813 states and 112961 transitions. Second operand has 5 states, 5 states have (on average 52.2) internal successors, (261), 4 states have internal predecessors, (261), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:50:39,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:50:39,953 INFO L93 Difference]: Finished difference Result 162310 states and 235676 transitions. [2022-12-14 14:50:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:50:39,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 52.2) internal successors, (261), 4 states have internal predecessors, (261), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) Word has length 997 [2022-12-14 14:50:39,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:50:40,198 INFO L225 Difference]: With dead ends: 162310 [2022-12-14 14:50:40,199 INFO L226 Difference]: Without dead ends: 85287 [2022-12-14 14:50:40,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:50:40,338 INFO L413 NwaCegarLoop]: 6525 mSDtfsCounter, 3151 mSDsluCounter, 16800 mSDsCounter, 0 mSdLazyCounter, 3739 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 23325 SdHoareTripleChecker+Invalid, 3749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:50:40,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3151 Valid, 23325 Invalid, 3749 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 3739 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2022-12-14 14:50:40,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85287 states. [2022-12-14 14:50:49,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85287 to 85218. [2022-12-14 14:50:49,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85218 states, 52241 states have (on average 1.3150973373404031) internal successors, (68702), 53246 states have internal predecessors, (68702), 27504 states have call successors, (27504), 5462 states have call predecessors, (27504), 5470 states have return successors, (27572), 27252 states have call predecessors, (27572), 27500 states have call successors, (27572) [2022-12-14 14:50:49,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85218 states to 85218 states and 123778 transitions. [2022-12-14 14:50:49,943 INFO L78 Accepts]: Start accepts. Automaton has 85218 states and 123778 transitions. Word has length 997 [2022-12-14 14:50:49,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:50:49,944 INFO L495 AbstractCegarLoop]: Abstraction has 85218 states and 123778 transitions. [2022-12-14 14:50:49,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.2) internal successors, (261), 4 states have internal predecessors, (261), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:50:49,944 INFO L276 IsEmpty]: Start isEmpty. Operand 85218 states and 123778 transitions. [2022-12-14 14:50:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 999 [2022-12-14 14:50:50,067 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:50:50,068 INFO L195 NwaCegarLoop]: trace histogram [73, 60, 60, 60, 60, 60, 60, 16, 16, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:50:50,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-14 14:50:50,068 INFO L420 AbstractCegarLoop]: === Iteration 31 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:50:50,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:50:50,068 INFO L85 PathProgramCache]: Analyzing trace with hash -538697734, now seen corresponding path program 1 times [2022-12-14 14:50:50,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:50:50,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536012249] [2022-12-14 14:50:50,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:50:50,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:50:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:50:50,776 INFO L134 CoverageAnalysis]: Checked inductivity of 16345 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16311 trivial. 0 not checked. [2022-12-14 14:50:50,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:50:50,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536012249] [2022-12-14 14:50:50,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536012249] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:50:50,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:50:50,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:50:50,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940895373] [2022-12-14 14:50:50,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:50:50,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:50:50,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:50:50,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:50:50,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:50:50,778 INFO L87 Difference]: Start difference. First operand 85218 states and 123778 transitions. Second operand has 5 states, 5 states have (on average 52.4) internal successors, (262), 4 states have internal predecessors, (262), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:51:10,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:51:10,948 INFO L93 Difference]: Finished difference Result 177202 states and 257390 transitions. [2022-12-14 14:51:10,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:51:10,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 52.4) internal successors, (262), 4 states have internal predecessors, (262), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) Word has length 998 [2022-12-14 14:51:10,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:51:11,226 INFO L225 Difference]: With dead ends: 177202 [2022-12-14 14:51:11,226 INFO L226 Difference]: Without dead ends: 92774 [2022-12-14 14:51:11,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:51:11,465 INFO L413 NwaCegarLoop]: 6531 mSDtfsCounter, 3186 mSDsluCounter, 16787 mSDsCounter, 0 mSdLazyCounter, 3746 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3186 SdHoareTripleChecker+Valid, 23318 SdHoareTripleChecker+Invalid, 3757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 3746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:51:11,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3186 Valid, 23318 Invalid, 3757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 3746 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2022-12-14 14:51:11,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92774 states. [2022-12-14 14:51:21,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92774 to 92705. [2022-12-14 14:51:21,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92705 states, 56859 states have (on average 1.3153062839655991) internal successors, (74787), 57941 states have internal predecessors, (74787), 29903 states have call successors, (29903), 5930 states have call predecessors, (29903), 5940 states have return successors, (29979), 29630 states have call predecessors, (29979), 29899 states have call successors, (29979) [2022-12-14 14:51:21,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92705 states to 92705 states and 134669 transitions. [2022-12-14 14:51:22,003 INFO L78 Accepts]: Start accepts. Automaton has 92705 states and 134669 transitions. Word has length 998 [2022-12-14 14:51:22,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:51:22,004 INFO L495 AbstractCegarLoop]: Abstraction has 92705 states and 134669 transitions. [2022-12-14 14:51:22,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.4) internal successors, (262), 4 states have internal predecessors, (262), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:51:22,004 INFO L276 IsEmpty]: Start isEmpty. Operand 92705 states and 134669 transitions. [2022-12-14 14:51:22,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1000 [2022-12-14 14:51:22,054 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:51:22,055 INFO L195 NwaCegarLoop]: trace histogram [73, 60, 60, 60, 60, 60, 60, 16, 16, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:51:22,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-14 14:51:22,055 INFO L420 AbstractCegarLoop]: === Iteration 32 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:51:22,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:51:22,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1933264064, now seen corresponding path program 1 times [2022-12-14 14:51:22,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:51:22,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498461841] [2022-12-14 14:51:22,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:51:22,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:51:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:51:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 16345 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16311 trivial. 0 not checked. [2022-12-14 14:51:22,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:51:22,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498461841] [2022-12-14 14:51:22,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498461841] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:51:22,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:51:22,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:51:22,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423683267] [2022-12-14 14:51:22,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:51:22,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:51:22,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:51:22,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:51:22,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:51:22,771 INFO L87 Difference]: Start difference. First operand 92705 states and 134669 transitions. Second operand has 5 states, 5 states have (on average 52.6) internal successors, (263), 4 states have internal predecessors, (263), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:51:44,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:51:44,673 INFO L93 Difference]: Finished difference Result 192106 states and 279116 transitions. [2022-12-14 14:51:44,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:51:44,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 52.6) internal successors, (263), 4 states have internal predecessors, (263), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) Word has length 999 [2022-12-14 14:51:44,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:51:44,993 INFO L225 Difference]: With dead ends: 192106 [2022-12-14 14:51:44,993 INFO L226 Difference]: Without dead ends: 100191 [2022-12-14 14:51:45,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:51:45,192 INFO L413 NwaCegarLoop]: 6525 mSDtfsCounter, 3151 mSDsluCounter, 16800 mSDsCounter, 0 mSdLazyCounter, 3745 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 23325 SdHoareTripleChecker+Invalid, 3757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 3745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:51:45,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3151 Valid, 23325 Invalid, 3757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 3745 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-12-14 14:51:45,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100191 states. [2022-12-14 14:51:56,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100191 to 100122. [2022-12-14 14:51:56,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100122 states, 61443 states have (on average 1.3155933141285419) internal successors, (80834), 62602 states have internal predecessors, (80834), 32290 states have call successors, (32290), 6374 states have call predecessors, (32290), 6386 states have return successors, (32374), 31996 states have call predecessors, (32374), 32286 states have call successors, (32374) [2022-12-14 14:51:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100122 states to 100122 states and 145498 transitions. [2022-12-14 14:51:57,236 INFO L78 Accepts]: Start accepts. Automaton has 100122 states and 145498 transitions. Word has length 999 [2022-12-14 14:51:57,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:51:57,236 INFO L495 AbstractCegarLoop]: Abstraction has 100122 states and 145498 transitions. [2022-12-14 14:51:57,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.6) internal successors, (263), 4 states have internal predecessors, (263), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:51:57,237 INFO L276 IsEmpty]: Start isEmpty. Operand 100122 states and 145498 transitions. [2022-12-14 14:51:57,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1001 [2022-12-14 14:51:57,362 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:51:57,363 INFO L195 NwaCegarLoop]: trace histogram [73, 60, 60, 60, 60, 60, 60, 16, 16, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:51:57,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-14 14:51:57,363 INFO L420 AbstractCegarLoop]: === Iteration 33 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:51:57,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:51:57,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1553980924, now seen corresponding path program 1 times [2022-12-14 14:51:57,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:51:57,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406396307] [2022-12-14 14:51:57,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:51:57,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:51:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:51:58,151 INFO L134 CoverageAnalysis]: Checked inductivity of 16345 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16311 trivial. 0 not checked. [2022-12-14 14:51:58,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:51:58,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406396307] [2022-12-14 14:51:58,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406396307] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:51:58,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:51:58,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:51:58,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763052327] [2022-12-14 14:51:58,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:51:58,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:51:58,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:51:58,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:51:58,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:51:58,155 INFO L87 Difference]: Start difference. First operand 100122 states and 145498 transitions. Second operand has 5 states, 5 states have (on average 52.8) internal successors, (264), 4 states have internal predecessors, (264), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:52:20,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:52:20,643 INFO L93 Difference]: Finished difference Result 206946 states and 300786 transitions. [2022-12-14 14:52:20,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:52:20,647 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 52.8) internal successors, (264), 4 states have internal predecessors, (264), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) Word has length 1000 [2022-12-14 14:52:20,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:52:21,010 INFO L225 Difference]: With dead ends: 206946 [2022-12-14 14:52:21,010 INFO L226 Difference]: Without dead ends: 107614 [2022-12-14 14:52:21,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:52:21,229 INFO L413 NwaCegarLoop]: 6525 mSDtfsCounter, 3151 mSDsluCounter, 16800 mSDsCounter, 0 mSdLazyCounter, 3748 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 23325 SdHoareTripleChecker+Invalid, 3761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 3748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-12-14 14:52:21,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3151 Valid, 23325 Invalid, 3761 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 3748 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2022-12-14 14:52:21,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107614 states. [2022-12-14 14:52:33,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107614 to 107545. [2022-12-14 14:52:33,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107545 states, 66033 states have (on average 1.3158117910741598) internal successors, (86887), 67269 states have internal predecessors, (86887), 34677 states have call successors, (34677), 6818 states have call predecessors, (34677), 6832 states have return successors, (34769), 34362 states have call predecessors, (34769), 34673 states have call successors, (34769) [2022-12-14 14:52:34,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107545 states to 107545 states and 156333 transitions. [2022-12-14 14:52:34,130 INFO L78 Accepts]: Start accepts. Automaton has 107545 states and 156333 transitions. Word has length 1000 [2022-12-14 14:52:34,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:52:34,131 INFO L495 AbstractCegarLoop]: Abstraction has 107545 states and 156333 transitions. [2022-12-14 14:52:34,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.8) internal successors, (264), 4 states have internal predecessors, (264), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:52:34,131 INFO L276 IsEmpty]: Start isEmpty. Operand 107545 states and 156333 transitions. [2022-12-14 14:52:34,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1002 [2022-12-14 14:52:34,192 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:52:34,193 INFO L195 NwaCegarLoop]: trace histogram [73, 60, 60, 60, 60, 60, 60, 16, 16, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:52:34,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-14 14:52:34,193 INFO L420 AbstractCegarLoop]: === Iteration 34 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:52:34,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:52:34,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1530623645, now seen corresponding path program 1 times [2022-12-14 14:52:34,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:52:34,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722113520] [2022-12-14 14:52:34,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:52:34,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:52:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:52:35,115 INFO L134 CoverageAnalysis]: Checked inductivity of 16345 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16311 trivial. 0 not checked. [2022-12-14 14:52:35,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:52:35,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722113520] [2022-12-14 14:52:35,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722113520] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:52:35,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:52:35,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:52:35,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759524779] [2022-12-14 14:52:35,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:52:35,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:52:35,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:52:35,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:52:35,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:52:35,117 INFO L87 Difference]: Start difference. First operand 107545 states and 156333 transitions. Second operand has 5 states, 5 states have (on average 53.0) internal successors, (265), 4 states have internal predecessors, (265), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:52:58,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:52:58,354 INFO L93 Difference]: Finished difference Result 221798 states and 322468 transitions. [2022-12-14 14:52:58,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:52:58,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.0) internal successors, (265), 4 states have internal predecessors, (265), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) Word has length 1001 [2022-12-14 14:52:58,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:52:58,722 INFO L225 Difference]: With dead ends: 221798 [2022-12-14 14:52:58,722 INFO L226 Difference]: Without dead ends: 115043 [2022-12-14 14:52:58,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:52:58,926 INFO L413 NwaCegarLoop]: 6525 mSDtfsCounter, 3158 mSDsluCounter, 16794 mSDsCounter, 0 mSdLazyCounter, 3750 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3158 SdHoareTripleChecker+Valid, 23319 SdHoareTripleChecker+Invalid, 3764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 3750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:52:58,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3158 Valid, 23319 Invalid, 3764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 3750 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-12-14 14:52:59,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115043 states. [2022-12-14 14:53:11,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115043 to 114974. [2022-12-14 14:53:11,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114974 states, 70629 states have (on average 1.3159750244233954) internal successors, (92946), 71942 states have internal predecessors, (92946), 37064 states have call successors, (37064), 7262 states have call predecessors, (37064), 7278 states have return successors, (37164), 36728 states have call predecessors, (37164), 37060 states have call successors, (37164) [2022-12-14 14:53:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114974 states to 114974 states and 167174 transitions. [2022-12-14 14:53:12,083 INFO L78 Accepts]: Start accepts. Automaton has 114974 states and 167174 transitions. Word has length 1001 [2022-12-14 14:53:12,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:53:12,084 INFO L495 AbstractCegarLoop]: Abstraction has 114974 states and 167174 transitions. [2022-12-14 14:53:12,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.0) internal successors, (265), 4 states have internal predecessors, (265), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:53:12,084 INFO L276 IsEmpty]: Start isEmpty. Operand 114974 states and 167174 transitions. [2022-12-14 14:53:12,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1003 [2022-12-14 14:53:12,144 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:53:12,144 INFO L195 NwaCegarLoop]: trace histogram [73, 60, 60, 60, 60, 60, 60, 16, 16, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:53:12,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-14 14:53:12,144 INFO L420 AbstractCegarLoop]: === Iteration 35 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:53:12,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:53:12,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1131995038, now seen corresponding path program 1 times [2022-12-14 14:53:12,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:53:12,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304373042] [2022-12-14 14:53:12,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:53:12,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:53:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:53:12,845 INFO L134 CoverageAnalysis]: Checked inductivity of 16345 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16311 trivial. 0 not checked. [2022-12-14 14:53:12,845 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:53:12,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304373042] [2022-12-14 14:53:12,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304373042] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:53:12,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:53:12,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:53:12,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651887999] [2022-12-14 14:53:12,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:53:12,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:53:12,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:53:12,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:53:12,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:53:12,847 INFO L87 Difference]: Start difference. First operand 114974 states and 167174 transitions. Second operand has 5 states, 5 states have (on average 53.2) internal successors, (266), 4 states have internal predecessors, (266), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:53:37,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:53:37,403 INFO L93 Difference]: Finished difference Result 236662 states and 344162 transitions. [2022-12-14 14:53:37,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:53:37,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.2) internal successors, (266), 4 states have internal predecessors, (266), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) Word has length 1002 [2022-12-14 14:53:37,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:53:37,794 INFO L225 Difference]: With dead ends: 236662 [2022-12-14 14:53:37,795 INFO L226 Difference]: Without dead ends: 122478 [2022-12-14 14:53:38,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:53:38,016 INFO L413 NwaCegarLoop]: 6525 mSDtfsCounter, 3148 mSDsluCounter, 16802 mSDsCounter, 0 mSdLazyCounter, 3755 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3148 SdHoareTripleChecker+Valid, 23327 SdHoareTripleChecker+Invalid, 3769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 3755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:53:38,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3148 Valid, 23327 Invalid, 3769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 3755 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-12-14 14:53:38,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122478 states. [2022-12-14 14:53:51,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122478 to 122409. [2022-12-14 14:53:51,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122409 states, 75231 states have (on average 1.3160930999189164) internal successors, (99011), 76621 states have internal predecessors, (99011), 39451 states have call successors, (39451), 7706 states have call predecessors, (39451), 7724 states have return successors, (39559), 39094 states have call predecessors, (39559), 39447 states have call successors, (39559) [2022-12-14 14:53:52,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122409 states to 122409 states and 178021 transitions. [2022-12-14 14:53:52,045 INFO L78 Accepts]: Start accepts. Automaton has 122409 states and 178021 transitions. Word has length 1002 [2022-12-14 14:53:52,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:53:52,046 INFO L495 AbstractCegarLoop]: Abstraction has 122409 states and 178021 transitions. [2022-12-14 14:53:52,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.2) internal successors, (266), 4 states have internal predecessors, (266), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:53:52,046 INFO L276 IsEmpty]: Start isEmpty. Operand 122409 states and 178021 transitions. [2022-12-14 14:53:52,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1004 [2022-12-14 14:53:52,117 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:53:52,117 INFO L195 NwaCegarLoop]: trace histogram [73, 60, 60, 60, 60, 60, 60, 16, 16, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:53:52,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-14 14:53:52,117 INFO L420 AbstractCegarLoop]: === Iteration 36 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:53:52,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:53:52,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1861237968, now seen corresponding path program 1 times [2022-12-14 14:53:52,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:53:52,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885274956] [2022-12-14 14:53:52,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:53:52,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:53:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:53:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 16345 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16311 trivial. 0 not checked. [2022-12-14 14:53:52,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:53:52,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885274956] [2022-12-14 14:53:52,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885274956] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:53:52,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:53:52,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:53:52,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304026225] [2022-12-14 14:53:52,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:53:52,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:53:52,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:53:52,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:53:52,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:53:52,841 INFO L87 Difference]: Start difference. First operand 122409 states and 178021 transitions. Second operand has 5 states, 5 states have (on average 53.4) internal successors, (267), 4 states have internal predecessors, (267), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:54:18,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:54:18,763 INFO L93 Difference]: Finished difference Result 251554 states and 365888 transitions. [2022-12-14 14:54:18,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:54:18,766 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.4) internal successors, (267), 4 states have internal predecessors, (267), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) Word has length 1003 [2022-12-14 14:54:18,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:54:19,181 INFO L225 Difference]: With dead ends: 251554 [2022-12-14 14:54:19,182 INFO L226 Difference]: Without dead ends: 129935 [2022-12-14 14:54:19,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:54:19,425 INFO L413 NwaCegarLoop]: 6524 mSDtfsCounter, 3160 mSDsluCounter, 16790 mSDsCounter, 0 mSdLazyCounter, 3759 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3160 SdHoareTripleChecker+Valid, 23314 SdHoareTripleChecker+Invalid, 3775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 3759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:54:19,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3160 Valid, 23314 Invalid, 3775 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 3759 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2022-12-14 14:54:19,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129935 states. [2022-12-14 14:54:33,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129935 to 129866. [2022-12-14 14:54:33,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129866 states, 79851 states have (on average 1.3162264718037344) internal successors, (105102), 81318 states have internal predecessors, (105102), 41838 states have call successors, (41838), 8154 states have call predecessors, (41838), 8174 states have return successors, (41954), 41460 states have call predecessors, (41954), 41834 states have call successors, (41954) [2022-12-14 14:54:34,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129866 states to 129866 states and 188894 transitions. [2022-12-14 14:54:34,316 INFO L78 Accepts]: Start accepts. Automaton has 129866 states and 188894 transitions. Word has length 1003 [2022-12-14 14:54:34,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:54:34,317 INFO L495 AbstractCegarLoop]: Abstraction has 129866 states and 188894 transitions. [2022-12-14 14:54:34,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.4) internal successors, (267), 4 states have internal predecessors, (267), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:54:34,318 INFO L276 IsEmpty]: Start isEmpty. Operand 129866 states and 188894 transitions. [2022-12-14 14:54:34,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1005 [2022-12-14 14:54:34,392 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:54:34,393 INFO L195 NwaCegarLoop]: trace histogram [73, 60, 60, 60, 60, 60, 60, 16, 16, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:54:34,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-14 14:54:34,393 INFO L420 AbstractCegarLoop]: === Iteration 37 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:54:34,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:54:34,393 INFO L85 PathProgramCache]: Analyzing trace with hash 910679053, now seen corresponding path program 1 times [2022-12-14 14:54:34,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:54:34,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481538613] [2022-12-14 14:54:34,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:54:34,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:54:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:54:35,098 INFO L134 CoverageAnalysis]: Checked inductivity of 16345 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16311 trivial. 0 not checked. [2022-12-14 14:54:35,098 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:54:35,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481538613] [2022-12-14 14:54:35,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481538613] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:54:35,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:54:35,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:54:35,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995004738] [2022-12-14 14:54:35,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:54:35,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:54:35,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:54:35,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:54:35,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:54:35,100 INFO L87 Difference]: Start difference. First operand 129866 states and 188894 transitions. Second operand has 5 states, 5 states have (on average 53.6) internal successors, (268), 4 states have internal predecessors, (268), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:55:00,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:55:00,489 INFO L93 Difference]: Finished difference Result 266470 states and 387638 transitions. [2022-12-14 14:55:00,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:55:00,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.6) internal successors, (268), 4 states have internal predecessors, (268), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) Word has length 1004 [2022-12-14 14:55:00,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:55:00,931 INFO L225 Difference]: With dead ends: 266470 [2022-12-14 14:55:00,932 INFO L226 Difference]: Without dead ends: 137394 [2022-12-14 14:55:01,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:55:01,218 INFO L413 NwaCegarLoop]: 6525 mSDtfsCounter, 3151 mSDsluCounter, 16800 mSDsCounter, 0 mSdLazyCounter, 3760 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 23325 SdHoareTripleChecker+Invalid, 3777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 3760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:55:01,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3151 Valid, 23325 Invalid, 3777 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 3760 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-12-14 14:55:01,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137394 states. [2022-12-14 14:55:16,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137394 to 137325. [2022-12-14 14:55:16,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137325 states, 84473 states have (on average 1.3162904123210968) internal successors, (111191), 86017 states have internal predecessors, (111191), 44225 states have call successors, (44225), 8602 states have call predecessors, (44225), 8624 states have return successors, (44349), 43826 states have call predecessors, (44349), 44221 states have call successors, (44349) [2022-12-14 14:55:16,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137325 states to 137325 states and 199765 transitions. [2022-12-14 14:55:17,022 INFO L78 Accepts]: Start accepts. Automaton has 137325 states and 199765 transitions. Word has length 1004 [2022-12-14 14:55:17,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:55:17,023 INFO L495 AbstractCegarLoop]: Abstraction has 137325 states and 199765 transitions. [2022-12-14 14:55:17,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.6) internal successors, (268), 4 states have internal predecessors, (268), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:55:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 137325 states and 199765 transitions. [2022-12-14 14:55:17,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1006 [2022-12-14 14:55:17,104 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:55:17,104 INFO L195 NwaCegarLoop]: trace histogram [73, 60, 60, 60, 60, 60, 60, 16, 16, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:55:17,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-12-14 14:55:17,105 INFO L420 AbstractCegarLoop]: === Iteration 38 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-12-14 14:55:17,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:55:17,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1097572527, now seen corresponding path program 1 times [2022-12-14 14:55:17,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:55:17,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142039241] [2022-12-14 14:55:17,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:55:17,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:55:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:55:17,916 INFO L134 CoverageAnalysis]: Checked inductivity of 16345 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16311 trivial. 0 not checked. [2022-12-14 14:55:17,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:55:17,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142039241] [2022-12-14 14:55:17,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142039241] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:55:17,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:55:17,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:55:17,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146249747] [2022-12-14 14:55:17,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:55:17,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:55:17,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:55:17,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:55:17,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:55:17,918 INFO L87 Difference]: Start difference. First operand 137325 states and 199765 transitions. Second operand has 5 states, 5 states have (on average 53.8) internal successors, (269), 4 states have internal predecessors, (269), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) [2022-12-14 14:55:42,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:55:42,969 INFO L93 Difference]: Finished difference Result 281806 states and 409956 transitions. [2022-12-14 14:55:42,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:55:42,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.8) internal successors, (269), 4 states have internal predecessors, (269), 3 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (112), 4 states have call predecessors, (112), 3 states have call successors, (112) Word has length 1005 [2022-12-14 14:55:42,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:55:43,531 INFO L225 Difference]: With dead ends: 281806 [2022-12-14 14:55:43,531 INFO L226 Difference]: Without dead ends: 145271 [2022-12-14 14:55:43,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:55:43,797 INFO L413 NwaCegarLoop]: 6525 mSDtfsCounter, 3157 mSDsluCounter, 16795 mSDsCounter, 0 mSdLazyCounter, 3762 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3157 SdHoareTripleChecker+Valid, 23320 SdHoareTripleChecker+Invalid, 3780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 3762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:55:43,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3157 Valid, 23320 Invalid, 3780 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 3762 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-12-14 14:55:43,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145271 states.