./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e09d76d-89fe-46db-b937-d81d00a7371c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e09d76d-89fe-46db-b937-d81d00a7371c/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_1e09d76d-89fe-46db-b937-d81d00a7371c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e09d76d-89fe-46db-b937-d81d00a7371c/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e09d76d-89fe-46db-b937-d81d00a7371c/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_1e09d76d-89fe-46db-b937-d81d00a7371c/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 463dbca1530ea0e57c159e9405d50f794488f63283b3e27908f44b92b1921358 --- 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 08:05:39,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:05:39,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:05:39,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:05:39,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:05:39,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:05:39,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:05:39,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:05:39,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:05:39,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:05:39,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:05:39,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:05:39,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:05:39,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:05:39,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:05:39,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:05:39,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:05:39,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:05:39,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:05:39,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:05:39,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:05:39,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:05:39,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:05:39,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:05:39,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:05:39,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:05:39,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:05:39,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:05:39,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:05:39,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:05:39,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:05:39,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:05:39,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:05:39,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:05:39,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:05:39,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:05:39,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:05:39,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:05:39,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:05:39,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:05:39,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:05:39,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e09d76d-89fe-46db-b937-d81d00a7371c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 08:05:39,984 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:05:39,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:05:39,984 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:05:39,985 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:05:39,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:05:39,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:05:39,986 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:05:39,986 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:05:39,986 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:05:39,986 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:05:39,986 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:05:39,987 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:05:39,987 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:05:39,987 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:05:39,987 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:05:39,987 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:05:39,987 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:05:39,988 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:05:39,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:05:39,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:05:39,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:05:39,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:05:39,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:05:39,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:05:39,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:05:39,989 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:05:39,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:05:39,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:05:39,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:05:39,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:05:39,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:05:39,990 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:05:39,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:05:39,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:05:39,990 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:05:39,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:05:39,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:05:39,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:05:39,991 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_1e09d76d-89fe-46db-b937-d81d00a7371c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e09d76d-89fe-46db-b937-d81d00a7371c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 463dbca1530ea0e57c159e9405d50f794488f63283b3e27908f44b92b1921358 [2022-12-14 08:05:40,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:05:40,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:05:40,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:05:40,176 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:05:40,176 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:05:40,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e09d76d-89fe-46db-b937-d81d00a7371c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2022-12-14 08:05:42,793 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:05:43,228 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:05:43,228 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e09d76d-89fe-46db-b937-d81d00a7371c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2022-12-14 08:05:43,261 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e09d76d-89fe-46db-b937-d81d00a7371c/bin/utaipan-gh47qXpMRh/data/b92c78bf1/37162f837a9745ed906cab94ed43d9e2/FLAGae9f1c778 [2022-12-14 08:05:43,276 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e09d76d-89fe-46db-b937-d81d00a7371c/bin/utaipan-gh47qXpMRh/data/b92c78bf1/37162f837a9745ed906cab94ed43d9e2 [2022-12-14 08:05:43,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:05:43,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:05:43,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:05:43,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:05:43,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:05:43,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:05:43" (1/1) ... [2022-12-14 08:05:43,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4230d925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:43, skipping insertion in model container [2022-12-14 08:05:43,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:05:43" (1/1) ... [2022-12-14 08:05:43,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:05:43,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:05:43,839 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 08:05:43,974 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-14 08:05:44,220 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 08:05:44,226 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 08:05:44,251 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 08:05:44,271 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 08:05:44,289 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 08:05:44,348 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 08:05:44,394 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-14 08:05:44,440 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-14 08:05:44,441 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-14 08:05:44,469 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:05:44,527 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 08:05:44,533 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 08:05:44,539 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 08:05:44,545 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-14 08:05:44,571 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 08:05:44,576 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:05:44,577 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 08:05:44,583 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 08:05:44,612 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:05:44,677 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 08:05:44,707 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-12-14 08:05:44,785 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 08:05:44,786 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 08:05:44,798 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:05:44,799 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:44,839 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 08:05:44,845 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 08:05:44,947 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 08:05:44,952 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-14 08:05:44,957 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-14 08:05:44,962 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 08:05:44,969 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-12-14 08:05:44,975 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-14 08:05:45,058 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 08:05:45,085 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 08:05:45,210 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:45,216 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:45,233 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 08:05:45,233 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:05:45,240 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:05:45,258 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:05:45,266 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,267 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:05:45,280 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:45,281 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:45,281 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 08:05:45,289 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:45,289 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:45,296 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 08:05:45,297 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:45,297 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:45,298 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-14 08:05:45,299 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 08:05:45,314 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:45,316 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:45,317 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 08:05:45,323 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:45,325 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 08:05:45,325 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 08:05:45,326 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:45,337 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:45,338 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,339 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,382 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 08:05:45,403 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 08:05:45,409 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:45,415 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:45,422 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:45,423 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 08:05:45,424 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 08:05:45,424 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:45,434 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,435 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:45,435 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:45,436 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:45,436 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:45,436 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:45,436 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:45,437 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,437 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,437 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,438 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,438 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,438 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,438 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,444 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:45,445 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:45,446 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,458 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:45,466 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:45,494 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1997 [2022-12-14 08:05:45,495 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:45,496 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2032 [2022-12-14 08:05:45,496 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:05:45,499 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:45,500 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2106 [2022-12-14 08:05:45,501 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2125 [2022-12-14 08:05:45,502 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:05:45,502 WARN L623 FunctionHandler]: Unknown extern function csum_partial [2022-12-14 08:05:45,503 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2142 [2022-12-14 08:05:45,503 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 08:05:45,509 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 08:05:45,520 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:45,528 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:45,531 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 08:05:45,533 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:45,539 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:45,561 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,561 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,562 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,562 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,563 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,563 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,564 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,594 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,595 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 08:05:45,597 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2843 [2022-12-14 08:05:45,598 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:45,621 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 08:05:45,640 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:45,640 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:45,641 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:45,671 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 08:05:45,682 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 08:05:45,682 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:45,684 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:45,690 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:45,691 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,691 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:45,692 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,705 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:45,707 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:45,708 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:45,708 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:45,713 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 08:05:45,718 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:45,718 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 08:05:45,723 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:45,724 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:45,724 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:45,724 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,735 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:05:45,741 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-14 08:05:45,779 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 08:05:45,780 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 08:05:45,787 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:45,788 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:45,804 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:05:45,805 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:45,806 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:05:45,806 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:05:45,811 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:05:45,812 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:05:45,833 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:45,833 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:45,839 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:05:45,839 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:05:45,839 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:05:45,900 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:05:45,901 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:05:45,912 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:45,912 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 08:05:45,912 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:45,913 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:45,913 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 08:05:45,913 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:45,914 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 08:05:45,914 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-12-14 08:05:45,914 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:45,914 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:45,915 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:45,927 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:45,928 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:05:45,929 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:05:45,929 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:05:45,929 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:05:45,930 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:05:45,930 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:05:45,931 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 08:05:45,931 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 08:05:45,932 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 08:05:45,932 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 08:05:45,932 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 08:05:45,933 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 08:05:45,933 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:45,933 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 08:05:45,934 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:45,936 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:45,936 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:45,938 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:05:45,938 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:05:45,938 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 08:05:45,938 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 08:05:45,939 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 08:05:45,944 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 08:05:45,944 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:05:45,944 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 08:05:45,945 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:05:45,945 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 08:05:45,945 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 08:05:45,945 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 08:05:45,950 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:05:45,951 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 08:05:45,951 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:05:45,956 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:45,956 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:05:45,957 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 08:05:45,957 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:05:46,203 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 08:05:46,204 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 08:05:46,205 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 08:05:46,206 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 08:05:46,207 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 08:05:46,212 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 08:05:46,214 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 08:05:46,216 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 08:05:46,217 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 08:05:46,218 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 08:05:46,219 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 08:05:46,219 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 08:05:46,220 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,220 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,220 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 08:05:46,221 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,221 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,221 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,221 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 08:05:46,222 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,222 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,222 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,223 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 08:05:46,223 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,223 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,223 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,224 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,224 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,224 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,224 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,224 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,225 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 08:05:46,225 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 08:05:46,225 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 08:05:46,226 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 08:05:46,226 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 08:05:46,226 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,226 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:46,227 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 08:05:46,227 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 08:05:46,278 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 08:05:46,278 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 08:05:46,288 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 08:05:46,974 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_1e09d76d-89fe-46db-b937-d81d00a7371c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487146,487159] [2022-12-14 08:05:46,977 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_1e09d76d-89fe-46db-b937-d81d00a7371c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487315,487328] [2022-12-14 08:05:46,978 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_1e09d76d-89fe-46db-b937-d81d00a7371c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487482,487495] [2022-12-14 08:05:46,978 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_1e09d76d-89fe-46db-b937-d81d00a7371c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487650,487663] [2022-12-14 08:05:46,985 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:05:46,986 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:05:46,987 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:05:46,987 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:05:47,001 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:05:47,003 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:05:47,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:05:47,050 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:05:47,129 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 08:05:47,131 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-14 08:05:47,133 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 08:05:47,133 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 08:05:47,134 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 08:05:47,134 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 08:05:47,135 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 08:05:47,136 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 08:05:47,136 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-14 08:05:47,138 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-14 08:05:47,138 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-14 08:05:47,139 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:05:47,142 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 08:05:47,142 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 08:05:47,143 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 08:05:47,144 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-14 08:05:47,145 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 08:05:47,146 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:05:47,146 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 08:05:47,146 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 08:05:47,148 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:05:47,152 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 08:05:47,153 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-12-14 08:05:47,154 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 08:05:47,155 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 08:05:47,155 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:05:47,155 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:47,156 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 08:05:47,156 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 08:05:47,157 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 08:05:47,158 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-14 08:05:47,159 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-14 08:05:47,160 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 08:05:47,161 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-12-14 08:05:47,162 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-14 08:05:47,165 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 08:05:47,166 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 08:05:47,171 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:47,171 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:47,173 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 08:05:47,173 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:05:47,174 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:05:47,176 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:05:47,177 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,178 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:05:47,180 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:47,180 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:47,180 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 08:05:47,182 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:47,182 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:47,183 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 08:05:47,184 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:47,184 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:47,184 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-14 08:05:47,185 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 08:05:47,187 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:47,188 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:47,188 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 08:05:47,190 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:47,190 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 08:05:47,191 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 08:05:47,191 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:47,192 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:47,193 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,193 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,212 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 08:05:47,214 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 08:05:47,215 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:47,216 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:47,218 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:47,218 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 08:05:47,219 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 08:05:47,219 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:47,220 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,220 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:47,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:47,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:47,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:47,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:47,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:47,222 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,222 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,222 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,222 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,223 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,223 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,223 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,224 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:47,224 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:47,226 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,228 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:47,230 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:47,232 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1997 [2022-12-14 08:05:47,233 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:47,234 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2032 [2022-12-14 08:05:47,234 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:05:47,236 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:47,237 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2106 [2022-12-14 08:05:47,238 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2125 [2022-12-14 08:05:47,238 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:05:47,239 WARN L623 FunctionHandler]: Unknown extern function csum_partial [2022-12-14 08:05:47,239 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2142 [2022-12-14 08:05:47,239 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 08:05:47,241 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 08:05:47,242 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:47,244 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:47,246 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 08:05:47,248 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:47,249 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:47,251 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,251 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,252 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,252 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,252 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,253 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,253 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,255 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,256 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 08:05:47,258 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2843 [2022-12-14 08:05:47,259 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:47,263 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 08:05:47,265 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:47,266 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:47,266 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,274 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:47,275 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 08:05:47,276 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 08:05:47,276 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:47,278 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:47,279 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:47,280 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,280 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:47,280 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,283 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:47,285 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:47,285 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:47,285 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:47,286 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 08:05:47,287 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:47,287 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 08:05:47,287 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:47,287 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:47,288 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:47,288 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,289 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:05:47,290 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-14 08:05:47,294 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 08:05:47,295 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 08:05:47,297 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:47,298 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:05:47,299 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:05:47,300 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:05:47,301 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:05:47,301 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:05:47,301 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:05:47,301 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:05:47,307 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:47,307 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 08:05:47,308 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:05:47,308 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:05:47,308 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:05:47,316 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:05:47,317 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:05:47,319 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:47,320 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 08:05:47,320 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:47,320 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:47,321 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 08:05:47,321 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:47,322 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 08:05:47,322 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-12-14 08:05:47,322 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:05:47,323 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:47,323 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:47,323 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:47,324 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:05:47,324 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:05:47,324 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:05:47,325 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:05:47,325 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:05:47,325 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:05:47,326 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 08:05:47,326 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 08:05:47,326 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 08:05:47,327 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 08:05:47,327 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 08:05:47,327 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 08:05:47,327 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:47,328 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 08:05:47,328 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:47,329 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:05:47,329 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:47,331 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:05:47,331 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:05:47,331 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 08:05:47,331 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 08:05:47,331 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 08:05:47,332 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 08:05:47,333 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:05:47,333 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 08:05:47,333 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:05:47,333 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 08:05:47,334 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 08:05:47,334 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 08:05:47,334 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:05:47,334 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 08:05:47,335 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:05:47,335 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 08:05:47,335 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:05:47,336 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 08:05:47,336 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:05:47,341 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 08:05:47,341 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 08:05:47,342 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 08:05:47,353 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 08:05:47,354 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 08:05:47,358 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 08:05:47,359 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 08:05:47,363 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 08:05:47,363 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 08:05:47,366 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 08:05:47,366 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 08:05:47,367 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 08:05:47,367 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,367 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,368 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 08:05:47,368 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,368 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,368 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,368 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 08:05:47,369 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,369 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,369 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,369 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 08:05:47,370 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,370 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,370 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,370 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,370 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,370 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,371 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,371 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,371 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 08:05:47,371 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 08:05:47,372 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 08:05:47,372 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 08:05:47,372 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 08:05:47,372 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,372 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 08:05:47,373 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 08:05:47,373 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 08:05:47,375 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 08:05:47,375 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 08:05:47,375 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 08:05:47,394 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_1e09d76d-89fe-46db-b937-d81d00a7371c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487146,487159] [2022-12-14 08:05:47,394 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_1e09d76d-89fe-46db-b937-d81d00a7371c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487315,487328] [2022-12-14 08:05:47,394 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_1e09d76d-89fe-46db-b937-d81d00a7371c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487482,487495] [2022-12-14 08:05:47,395 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_1e09d76d-89fe-46db-b937-d81d00a7371c/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[487650,487663] [2022-12-14 08:05:47,395 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:05:47,397 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:05:47,398 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:05:47,398 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:05:47,400 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:05:47,401 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:05:47,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:05:47,682 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:05:47,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:47 WrapperNode [2022-12-14 08:05:47,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:05:47,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:05:47,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:05:47,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:05:47,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:47" (1/1) ... [2022-12-14 08:05:47,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:47" (1/1) ... [2022-12-14 08:05:47,992 INFO L138 Inliner]: procedures = 676, calls = 4258, calls flagged for inlining = 325, calls inlined = 302, statements flattened = 10246 [2022-12-14 08:05:47,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:05:47,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:05:47,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:05:47,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:05:48,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:47" (1/1) ... [2022-12-14 08:05:48,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:47" (1/1) ... [2022-12-14 08:05:48,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:47" (1/1) ... [2022-12-14 08:05:48,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:47" (1/1) ... [2022-12-14 08:05:48,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:47" (1/1) ... [2022-12-14 08:05:48,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:47" (1/1) ... [2022-12-14 08:05:48,315 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:47" (1/1) ... [2022-12-14 08:05:48,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:47" (1/1) ... [2022-12-14 08:05:48,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:05:48,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:05:48,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:05:48,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:05:48,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:47" (1/1) ... [2022-12-14 08:05:48,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:05:48,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e09d76d-89fe-46db-b937-d81d00a7371c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:05:48,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e09d76d-89fe-46db-b937-d81d00a7371c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:05:48,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e09d76d-89fe-46db-b937-d81d00a7371c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:05:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-14 08:05:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-14 08:05:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_read [2022-12-14 08:05:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_read [2022-12-14 08:05:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure cas_pcs_link_check [2022-12-14 08:05:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_pcs_link_check [2022-12-14 08:05:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_121 [2022-12-14 08:05:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_121 [2022-12-14 08:05:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 08:05:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 08:05:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 08:05:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 08:05:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-12-14 08:05:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-12-14 08:05:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-12-14 08:05:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-12-14 08:05:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 08:05:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 08:05:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mii_link_check [2022-12-14 08:05:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mii_link_check [2022-12-14 08:05:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure cas_calc_tabort [2022-12-14 08:05:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_calc_tabort [2022-12-14 08:05:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-12-14 08:05:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-12-14 08:05:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2022-12-14 08:05:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2022-12-14 08:05:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-12-14 08:05:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-12-14 08:05:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 08:05:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 08:05:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_147 [2022-12-14 08:05:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_147 [2022-12-14 08:05:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-12-14 08:05:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-12-14 08:05:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 08:05:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 08:05:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-12-14 08:05:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-12-14 08:05:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure cas_lock_tx [2022-12-14 08:05:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_lock_tx [2022-12-14 08:05:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 08:05:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 08:05:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 08:05:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 08:05:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure cas_disable_irq [2022-12-14 08:05:48,494 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_disable_irq [2022-12-14 08:05:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure cas_free_rxds [2022-12-14 08:05:48,494 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_free_rxds [2022-12-14 08:05:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-12-14 08:05:48,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-12-14 08:05:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure cas_open [2022-12-14 08:05:48,494 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_open [2022-12-14 08:05:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure cas_interrupt [2022-12-14 08:05:48,494 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_interrupt [2022-12-14 08:05:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_tiny_free [2022-12-14 08:05:48,494 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_tiny_free [2022-12-14 08:05:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-12-14 08:05:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-12-14 08:05:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_map [2022-12-14 08:05:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_map [2022-12-14 08:05:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_init [2022-12-14 08:05:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_init [2022-12-14 08:05:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-12-14 08:05:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-12-14 08:05:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-12-14 08:05:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-12-14 08:05:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 08:05:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 08:05:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 08:05:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 08:05:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure cas_enable_irq [2022-12-14 08:05:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_enable_irq [2022-12-14 08:05:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 08:05:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 08:05:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-14 08:05:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-14 08:05:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_dequeue [2022-12-14 08:05:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_dequeue [2022-12-14 08:05:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-12-14 08:05:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-12-14 08:05:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 08:05:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 08:05:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 08:05:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 08:05:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 08:05:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 08:05:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-12-14 08:05:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-12-14 08:05:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:05:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2022-12-14 08:05:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2022-12-14 08:05:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-12-14 08:05:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-12-14 08:05:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_multicast [2022-12-14 08:05:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_multicast [2022-12-14 08:05:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 08:05:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 08:05:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-12-14 08:05:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-12-14 08:05:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_free [2022-12-14 08:05:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_free [2022-12-14 08:05:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_timeout [2022-12-14 08:05:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_timeout [2022-12-14 08:05:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 08:05:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 08:05:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_pcs_link_mode [2022-12-14 08:05:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_pcs_link_mode [2022-12-14 08:05:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 08:05:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 08:05:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 08:05:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure cas_close [2022-12-14 08:05:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_close [2022-12-14 08:05:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_swap [2022-12-14 08:05:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_swap [2022-12-14 08:05:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 08:05:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 08:05:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure cas_netpoll [2022-12-14 08:05:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_netpoll [2022-12-14 08:05:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure cas_hard_reset [2022-12-14 08:05:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_hard_reset [2022-12-14 08:05:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 08:05:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 08:05:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 08:05:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 08:05:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 08:05:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure cas_rxc_init [2022-12-14 08:05:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_rxc_init [2022-12-14 08:05:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:05:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 08:05:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 08:05:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clear_mac_err [2022-12-14 08:05:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clear_mac_err [2022-12-14 08:05:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 08:05:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 08:05:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 08:05:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 08:05:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 08:05:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 08:05:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-12-14 08:05:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-12-14 08:05:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2022-12-14 08:05:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2022-12-14 08:05:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure cas_remove_one [2022-12-14 08:05:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_remove_one [2022-12-14 08:05:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2022-12-14 08:05:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2022-12-14 08:05:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 08:05:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 08:05:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 08:05:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 08:05:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 08:05:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 08:05:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-12-14 08:05:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-12-14 08:05:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 08:05:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-14 08:05:48,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-14 08:05:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:05:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-12-14 08:05:48,504 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-12-14 08:05:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 08:05:48,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 08:05:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 08:05:48,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 08:05:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 08:05:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 08:05:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 08:05:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 08:05:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_link_modes [2022-12-14 08:05:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_link_modes [2022-12-14 08:05:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure cas_link_timer [2022-12-14 08:05:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_link_timer [2022-12-14 08:05:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_mii_link_mode [2022-12-14 08:05:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_mii_link_mode [2022-12-14 08:05:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-12-14 08:05:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-12-14 08:05:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 08:05:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 08:05:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-14 08:05:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-14 08:05:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-14 08:05:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-14 08:05:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2022-12-14 08:05:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2022-12-14 08:05:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-14 08:05:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-14 08:05:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 08:05:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 08:05:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-14 08:05:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-14 08:05:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-14 08:05:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-14 08:05:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure csum_unfold [2022-12-14 08:05:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_unfold [2022-12-14 08:05:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-14 08:05:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-14 08:05:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 08:05:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 08:05:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure cas_entropy_gather [2022-12-14 08:05:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_entropy_gather [2022-12-14 08:05:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure cas_resume [2022-12-14 08:05:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_resume [2022-12-14 08:05:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:05:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:05:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_alloc [2022-12-14 08:05:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_alloc [2022-12-14 08:05:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 08:05:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 08:05:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 08:05:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 08:05:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 08:05:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 08:05:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 08:05:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 08:05:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mif_poll [2022-12-14 08:05:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mif_poll [2022-12-14 08:05:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 08:05:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 08:05:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure cas_unlock_tx [2022-12-14 08:05:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_unlock_tx [2022-12-14 08:05:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 08:05:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 08:05:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_133 [2022-12-14 08:05:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_133 [2022-12-14 08:05:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice [2022-12-14 08:05:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice [2022-12-14 08:05:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_135 [2022-12-14 08:05:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_135 [2022-12-14 08:05:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-12-14 08:05:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-12-14 08:05:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2022-12-14 08:05:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2022-12-14 08:05:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 08:05:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 08:05:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 08:05:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 08:05:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 08:05:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 08:05:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-14 08:05:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-14 08:05:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_buf [2022-12-14 08:05:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_buf [2022-12-14 08:05:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mac_reset [2022-12-14 08:05:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mac_reset [2022-12-14 08:05:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cas [2022-12-14 08:05:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cas [2022-12-14 08:05:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:05:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 08:05:48,512 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 08:05:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_set_page [2022-12-14 08:05:48,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_set_page [2022-12-14 08:05:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 08:05:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_regs_len [2022-12-14 08:05:48,512 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_regs_len [2022-12-14 08:05:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure cas_reset [2022-12-14 08:05:48,512 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_reset [2022-12-14 08:05:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_8_2 [2022-12-14 08:05:48,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_8_2 [2022-12-14 08:05:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2022-12-14 08:05:48,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2022-12-14 08:05:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-12-14 08:05:48,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-12-14 08:05:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_page [2022-12-14 08:05:48,513 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_page [2022-12-14 08:05:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 08:05:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-12-14 08:05:48,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-12-14 08:05:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure cas_nway_reset [2022-12-14 08:05:48,513 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_nway_reset [2022-12-14 08:05:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 08:05:48,513 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 08:05:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 08:05:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 08:05:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 08:05:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 08:05:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure cas_setup_multicast [2022-12-14 08:05:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_setup_multicast [2022-12-14 08:05:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_powerdown [2022-12-14 08:05:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_powerdown [2022-12-14 08:05:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_rxds_ringN [2022-12-14 08:05:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_rxds_ringN [2022-12-14 08:05:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-12-14 08:05:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-12-14 08:05:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure cas_vpd_match [2022-12-14 08:05:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_vpd_match [2022-12-14 08:05:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_83 [2022-12-14 08:05:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_83 [2022-12-14 08:05:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2022-12-14 08:05:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2022-12-14 08:05:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 08:05:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 08:05:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2022-12-14 08:05:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2022-12-14 08:05:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-14 08:05:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-14 08:05:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure page_count [2022-12-14 08:05:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure page_count [2022-12-14 08:05:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 08:05:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 08:05:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2022-12-14 08:05:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2022-12-14 08:05:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure cas_shutdown [2022-12-14 08:05:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_shutdown [2022-12-14 08:05:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure cas_begin_auto_negotiation [2022-12-14 08:05:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_begin_auto_negotiation [2022-12-14 08:05:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-12-14 08:05:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-12-14 08:05:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 08:05:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 08:05:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure cas_write_txd [2022-12-14 08:05:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_write_txd [2022-12-14 08:05:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 08:05:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 08:05:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_ref [2022-12-14 08:05:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_ref [2022-12-14 08:05:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:05:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 08:05:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 08:05:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2022-12-14 08:05:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2022-12-14 08:05:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2022-12-14 08:05:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2022-12-14 08:05:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_79 [2022-12-14 08:05:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_79 [2022-12-14 08:05:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 08:05:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 08:05:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure cas_init_hw [2022-12-14 08:05:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_init_hw [2022-12-14 08:05:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clean_rings [2022-12-14 08:05:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clean_rings [2022-12-14 08:05:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_free [2022-12-14 08:05:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_free [2022-12-14 08:05:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-14 08:05:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-14 08:05:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_write [2022-12-14 08:05:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_write [2022-12-14 08:05:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 08:05:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 08:05:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-14 08:05:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-14 08:05:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-12-14 08:05:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-12-14 08:05:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_recover [2022-12-14 08:05:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_recover [2022-12-14 08:05:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-12-14 08:05:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-12-14 08:05:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 08:05:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 08:05:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_stats [2022-12-14 08:05:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_stats [2022-12-14 08:05:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 08:05:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 08:05:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2022-12-14 08:05:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2022-12-14 08:05:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:05:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 08:05:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 08:05:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-12-14 08:05:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-12-14 08:05:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-12-14 08:05:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-12-14 08:05:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2022-12-14 08:05:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2022-12-14 08:05:49,392 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:05:49,396 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:05:49,712 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 08:09:35,007 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:09:40,802 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:09:40,802 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 08:09:40,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:09:40 BoogieIcfgContainer [2022-12-14 08:09:40,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:09:40,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:09:40,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:09:40,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:09:40,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:05:43" (1/3) ... [2022-12-14 08:09:40,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a92d3c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:09:40, skipping insertion in model container [2022-12-14 08:09:40,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:47" (2/3) ... [2022-12-14 08:09:40,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a92d3c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:09:40, skipping insertion in model container [2022-12-14 08:09:40,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:09:40" (3/3) ... [2022-12-14 08:09:40,812 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2022-12-14 08:09:40,826 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:09:40,826 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 08:09:40,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:09:40,902 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;@7329a111, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:09:40,902 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 08:09:40,911 INFO L276 IsEmpty]: Start isEmpty. Operand has 2825 states, 1584 states have (on average 1.2613636363636365) internal successors, (1998), 1665 states have internal predecessors, (1998), 1066 states have call successors, (1066), 173 states have call predecessors, (1066), 172 states have return successors, (1062), 1048 states have call predecessors, (1062), 1062 states have call successors, (1062) [2022-12-14 08:09:40,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 08:09:40,917 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:09:40,917 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-12-14 08:09:40,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:09:40,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:09:40,921 INFO L85 PathProgramCache]: Analyzing trace with hash 319307348, now seen corresponding path program 1 times [2022-12-14 08:09:40,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:09:40,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192772990] [2022-12-14 08:09:40,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:09:40,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:09:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:09:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 08:09:42,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:09:42,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192772990] [2022-12-14 08:09:42,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192772990] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:09:42,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:09:42,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:09:42,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180470262] [2022-12-14 08:09:42,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:09:42,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:09:42,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:09:42,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:09:42,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:09:42,380 INFO L87 Difference]: Start difference. First operand has 2825 states, 1584 states have (on average 1.2613636363636365) internal successors, (1998), 1665 states have internal predecessors, (1998), 1066 states have call successors, (1066), 173 states have call predecessors, (1066), 172 states have return successors, (1062), 1048 states have call predecessors, (1062), 1062 states have call successors, (1062) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 08:09:44,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:09:54,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:09:54,037 INFO L93 Difference]: Finished difference Result 7966 states and 12094 transitions. [2022-12-14 08:09:54,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 08:09:54,040 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2022-12-14 08:09:54,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:09:54,092 INFO L225 Difference]: With dead ends: 7966 [2022-12-14 08:09:54,092 INFO L226 Difference]: Without dead ends: 5144 [2022-12-14 08:09:54,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:09:54,119 INFO L413 NwaCegarLoop]: 4701 mSDtfsCounter, 3948 mSDsluCounter, 12638 mSDsCounter, 0 mSdLazyCounter, 1610 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3967 SdHoareTripleChecker+Valid, 17339 SdHoareTripleChecker+Invalid, 1614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1610 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:09:54,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3967 Valid, 17339 Invalid, 1614 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1610 Invalid, 1 Unknown, 0 Unchecked, 11.0s Time] [2022-12-14 08:09:54,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5144 states. [2022-12-14 08:09:54,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5144 to 5136. [2022-12-14 08:09:54,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5136 states, 2870 states have (on average 1.2571428571428571) internal successors, (3608), 3025 states have internal predecessors, (3608), 1936 states have call successors, (1936), 336 states have call predecessors, (1936), 327 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-12-14 08:09:54,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5136 states to 5136 states and 7558 transitions. [2022-12-14 08:09:54,467 INFO L78 Accepts]: Start accepts. Automaton has 5136 states and 7558 transitions. Word has length 35 [2022-12-14 08:09:54,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:09:54,468 INFO L495 AbstractCegarLoop]: Abstraction has 5136 states and 7558 transitions. [2022-12-14 08:09:54,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 08:09:54,468 INFO L276 IsEmpty]: Start isEmpty. Operand 5136 states and 7558 transitions. [2022-12-14 08:09:54,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 08:09:54,469 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:09:54,470 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-12-14 08:09:54,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:09:54,470 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:09:54,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:09:54,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1332263391, now seen corresponding path program 1 times [2022-12-14 08:09:54,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:09:54,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377063271] [2022-12-14 08:09:54,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:09:54,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:09:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:09:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 08:09:55,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:09:55,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377063271] [2022-12-14 08:09:55,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377063271] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:09:55,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:09:55,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:09:55,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380374225] [2022-12-14 08:09:55,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:09:55,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:09:55,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:09:55,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:09:55,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:09:55,504 INFO L87 Difference]: Start difference. First operand 5136 states and 7558 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 08:09:57,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:10:04,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:10:04,620 INFO L93 Difference]: Finished difference Result 5146 states and 7567 transitions. [2022-12-14 08:10:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:10:04,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 40 [2022-12-14 08:10:04,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:10:04,645 INFO L225 Difference]: With dead ends: 5146 [2022-12-14 08:10:04,645 INFO L226 Difference]: Without dead ends: 5144 [2022-12-14 08:10:04,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:10:04,648 INFO L413 NwaCegarLoop]: 3709 mSDtfsCounter, 4074 mSDsluCounter, 7392 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4091 SdHoareTripleChecker+Valid, 11101 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:10:04,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4091 Valid, 11101 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1202 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2022-12-14 08:10:04,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5144 states. [2022-12-14 08:10:04,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5144 to 5144. [2022-12-14 08:10:04,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5144 states, 2876 states have (on average 1.256606397774687) internal successors, (3614), 3031 states have internal predecessors, (3614), 1936 states have call successors, (1936), 338 states have call predecessors, (1936), 329 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-12-14 08:10:04,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 7564 transitions. [2022-12-14 08:10:04,866 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 7564 transitions. Word has length 40 [2022-12-14 08:10:04,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:10:04,866 INFO L495 AbstractCegarLoop]: Abstraction has 5144 states and 7564 transitions. [2022-12-14 08:10:04,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 08:10:04,866 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 7564 transitions. [2022-12-14 08:10:04,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 08:10:04,867 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:10:04,867 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-14 08:10:04,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:10:04,867 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:10:04,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:10:04,868 INFO L85 PathProgramCache]: Analyzing trace with hash -689319875, now seen corresponding path program 1 times [2022-12-14 08:10:04,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:10:04,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482556688] [2022-12-14 08:10:04,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:10:04,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:10:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:10:05,929 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 08:10:05,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:10:05,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482556688] [2022-12-14 08:10:05,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482556688] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:10:05,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:10:05,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:10:05,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176208967] [2022-12-14 08:10:05,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:10:05,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:10:05,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:10:05,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:10:05,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:10:05,932 INFO L87 Difference]: Start difference. First operand 5144 states and 7564 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 08:10:08,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:10:16,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:10:16,373 INFO L93 Difference]: Finished difference Result 5154 states and 7573 transitions. [2022-12-14 08:10:16,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:10:16,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2022-12-14 08:10:16,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:10:16,398 INFO L225 Difference]: With dead ends: 5154 [2022-12-14 08:10:16,398 INFO L226 Difference]: Without dead ends: 5152 [2022-12-14 08:10:16,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:10:16,402 INFO L413 NwaCegarLoop]: 3709 mSDtfsCounter, 4073 mSDsluCounter, 7392 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4089 SdHoareTripleChecker+Valid, 11101 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:10:16,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4089 Valid, 11101 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1202 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2022-12-14 08:10:16,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5152 states. [2022-12-14 08:10:16,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5152 to 5152. [2022-12-14 08:10:16,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5152 states, 2882 states have (on average 1.2560721721027064) internal successors, (3620), 3037 states have internal predecessors, (3620), 1936 states have call successors, (1936), 340 states have call predecessors, (1936), 331 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-12-14 08:10:16,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 5152 states and 7570 transitions. [2022-12-14 08:10:16,646 INFO L78 Accepts]: Start accepts. Automaton has 5152 states and 7570 transitions. Word has length 46 [2022-12-14 08:10:16,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:10:16,646 INFO L495 AbstractCegarLoop]: Abstraction has 5152 states and 7570 transitions. [2022-12-14 08:10:16,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 08:10:16,646 INFO L276 IsEmpty]: Start isEmpty. Operand 5152 states and 7570 transitions. [2022-12-14 08:10:16,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 08:10:16,647 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:10:16,647 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 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] [2022-12-14 08:10:16,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 08:10:16,648 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:10:16,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:10:16,648 INFO L85 PathProgramCache]: Analyzing trace with hash 769371480, now seen corresponding path program 1 times [2022-12-14 08:10:16,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:10:16,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197061847] [2022-12-14 08:10:16,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:10:16,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:10:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:10:17,596 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-14 08:10:17,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:10:17,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197061847] [2022-12-14 08:10:17,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197061847] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:10:17,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:10:17,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:10:17,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692489858] [2022-12-14 08:10:17,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:10:17,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:10:17,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:10:17,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:10:17,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:10:17,598 INFO L87 Difference]: Start difference. First operand 5152 states and 7570 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 08:10:19,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:10:27,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:10:27,524 INFO L93 Difference]: Finished difference Result 5162 states and 7579 transitions. [2022-12-14 08:10:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:10:27,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 51 [2022-12-14 08:10:27,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:10:27,547 INFO L225 Difference]: With dead ends: 5162 [2022-12-14 08:10:27,547 INFO L226 Difference]: Without dead ends: 5160 [2022-12-14 08:10:27,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:10:27,551 INFO L413 NwaCegarLoop]: 3709 mSDtfsCounter, 4073 mSDsluCounter, 7392 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4088 SdHoareTripleChecker+Valid, 11101 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-12-14 08:10:27,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4088 Valid, 11101 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1202 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2022-12-14 08:10:27,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5160 states. [2022-12-14 08:10:27,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5160 to 5160. [2022-12-14 08:10:27,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5160 states, 2888 states have (on average 1.255540166204986) internal successors, (3626), 3043 states have internal predecessors, (3626), 1936 states have call successors, (1936), 342 states have call predecessors, (1936), 333 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-12-14 08:10:27,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5160 states to 5160 states and 7576 transitions. [2022-12-14 08:10:27,780 INFO L78 Accepts]: Start accepts. Automaton has 5160 states and 7576 transitions. Word has length 51 [2022-12-14 08:10:27,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:10:27,781 INFO L495 AbstractCegarLoop]: Abstraction has 5160 states and 7576 transitions. [2022-12-14 08:10:27,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 08:10:27,781 INFO L276 IsEmpty]: Start isEmpty. Operand 5160 states and 7576 transitions. [2022-12-14 08:10:27,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 08:10:27,782 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:10:27,782 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 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] [2022-12-14 08:10:27,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 08:10:27,782 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:10:27,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:10:27,782 INFO L85 PathProgramCache]: Analyzing trace with hash 577598996, now seen corresponding path program 1 times [2022-12-14 08:10:27,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:10:27,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17129074] [2022-12-14 08:10:27,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:10:27,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:10:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:10:28,644 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-14 08:10:28,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:10:28,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17129074] [2022-12-14 08:10:28,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17129074] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:10:28,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:10:28,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:10:28,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454634706] [2022-12-14 08:10:28,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:10:28,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:10:28,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:10:28,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:10:28,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:10:28,647 INFO L87 Difference]: Start difference. First operand 5160 states and 7576 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 08:10:30,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:10:37,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:10:37,739 INFO L93 Difference]: Finished difference Result 5170 states and 7585 transitions. [2022-12-14 08:10:37,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:10:37,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 55 [2022-12-14 08:10:37,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:10:37,762 INFO L225 Difference]: With dead ends: 5170 [2022-12-14 08:10:37,762 INFO L226 Difference]: Without dead ends: 5168 [2022-12-14 08:10:37,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:10:37,766 INFO L413 NwaCegarLoop]: 3709 mSDtfsCounter, 4074 mSDsluCounter, 7392 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4088 SdHoareTripleChecker+Valid, 11101 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-12-14 08:10:37,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4088 Valid, 11101 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1202 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2022-12-14 08:10:37,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5168 states. [2022-12-14 08:10:37,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5168 to 5168. [2022-12-14 08:10:37,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5168 states, 2894 states have (on average 1.2550103662750518) internal successors, (3632), 3049 states have internal predecessors, (3632), 1936 states have call successors, (1936), 344 states have call predecessors, (1936), 335 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-12-14 08:10:37,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 5168 states and 7582 transitions. [2022-12-14 08:10:37,988 INFO L78 Accepts]: Start accepts. Automaton has 5168 states and 7582 transitions. Word has length 55 [2022-12-14 08:10:37,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:10:37,989 INFO L495 AbstractCegarLoop]: Abstraction has 5168 states and 7582 transitions. [2022-12-14 08:10:37,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 08:10:37,989 INFO L276 IsEmpty]: Start isEmpty. Operand 5168 states and 7582 transitions. [2022-12-14 08:10:37,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-14 08:10:37,990 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:10:37,991 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 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] [2022-12-14 08:10:37,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 08:10:37,991 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:10:37,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:10:37,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1695333023, now seen corresponding path program 1 times [2022-12-14 08:10:37,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:10:37,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781612223] [2022-12-14 08:10:37,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:10:37,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:10:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:10:38,839 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-12-14 08:10:38,840 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:10:38,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781612223] [2022-12-14 08:10:38,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781612223] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:10:38,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:10:38,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:10:38,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714798673] [2022-12-14 08:10:38,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:10:38,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:10:38,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:10:38,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:10:38,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:10:38,842 INFO L87 Difference]: Start difference. First operand 5168 states and 7582 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 08:10:40,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:10:48,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:10:48,842 INFO L93 Difference]: Finished difference Result 5178 states and 7591 transitions. [2022-12-14 08:10:48,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:10:48,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 60 [2022-12-14 08:10:48,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:10:48,875 INFO L225 Difference]: With dead ends: 5178 [2022-12-14 08:10:48,875 INFO L226 Difference]: Without dead ends: 5176 [2022-12-14 08:10:48,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:10:48,879 INFO L413 NwaCegarLoop]: 3709 mSDtfsCounter, 4074 mSDsluCounter, 7392 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4087 SdHoareTripleChecker+Valid, 11101 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-12-14 08:10:48,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4087 Valid, 11101 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1202 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2022-12-14 08:10:48,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5176 states. [2022-12-14 08:10:49,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5176 to 5176. [2022-12-14 08:10:49,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5176 states, 2900 states have (on average 1.2544827586206897) internal successors, (3638), 3055 states have internal predecessors, (3638), 1936 states have call successors, (1936), 346 states have call predecessors, (1936), 337 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-12-14 08:10:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5176 states to 5176 states and 7588 transitions. [2022-12-14 08:10:49,122 INFO L78 Accepts]: Start accepts. Automaton has 5176 states and 7588 transitions. Word has length 60 [2022-12-14 08:10:49,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:10:49,122 INFO L495 AbstractCegarLoop]: Abstraction has 5176 states and 7588 transitions. [2022-12-14 08:10:49,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 08:10:49,123 INFO L276 IsEmpty]: Start isEmpty. Operand 5176 states and 7588 transitions. [2022-12-14 08:10:49,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 08:10:49,123 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:10:49,124 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 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] [2022-12-14 08:10:49,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 08:10:49,124 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:10:49,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:10:49,124 INFO L85 PathProgramCache]: Analyzing trace with hash 748378493, now seen corresponding path program 1 times [2022-12-14 08:10:49,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:10:49,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614738326] [2022-12-14 08:10:49,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:10:49,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:10:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:10:49,969 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-14 08:10:49,969 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:10:49,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614738326] [2022-12-14 08:10:49,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614738326] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:10:49,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:10:49,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:10:49,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376468175] [2022-12-14 08:10:49,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:10:49,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:10:49,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:10:49,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:10:49,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:10:49,970 INFO L87 Difference]: Start difference. First operand 5176 states and 7588 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 08:10:52,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:11:00,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:11:00,296 INFO L93 Difference]: Finished difference Result 5186 states and 7597 transitions. [2022-12-14 08:11:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:11:00,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 66 [2022-12-14 08:11:00,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:11:00,315 INFO L225 Difference]: With dead ends: 5186 [2022-12-14 08:11:00,315 INFO L226 Difference]: Without dead ends: 5184 [2022-12-14 08:11:00,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:11:00,318 INFO L413 NwaCegarLoop]: 3709 mSDtfsCounter, 4073 mSDsluCounter, 7392 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4085 SdHoareTripleChecker+Valid, 11101 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:11:00,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4085 Valid, 11101 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1202 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-12-14 08:11:00,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2022-12-14 08:11:00,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 5184. [2022-12-14 08:11:00,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5184 states, 2906 states have (on average 1.2539573296627666) internal successors, (3644), 3061 states have internal predecessors, (3644), 1936 states have call successors, (1936), 348 states have call predecessors, (1936), 339 states have return successors, (2014), 1881 states have call predecessors, (2014), 1930 states have call successors, (2014) [2022-12-14 08:11:00,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5184 states to 5184 states and 7594 transitions. [2022-12-14 08:11:00,565 INFO L78 Accepts]: Start accepts. Automaton has 5184 states and 7594 transitions. Word has length 66 [2022-12-14 08:11:00,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:11:00,565 INFO L495 AbstractCegarLoop]: Abstraction has 5184 states and 7594 transitions. [2022-12-14 08:11:00,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 08:11:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 5184 states and 7594 transitions. [2022-12-14 08:11:00,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-14 08:11:00,566 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:11:00,566 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 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] [2022-12-14 08:11:00,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 08:11:00,566 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:11:00,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:11:00,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1995783935, now seen corresponding path program 1 times [2022-12-14 08:11:00,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:11:00,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869632856] [2022-12-14 08:11:00,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:11:00,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:11:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:11:01,395 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-12-14 08:11:01,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:11:01,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869632856] [2022-12-14 08:11:01,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869632856] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:11:01,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:11:01,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:11:01,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186555233] [2022-12-14 08:11:01,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:11:01,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:11:01,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:11:01,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:11:01,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:11:01,397 INFO L87 Difference]: Start difference. First operand 5184 states and 7594 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 08:11:03,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:11:14,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:11:14,862 INFO L93 Difference]: Finished difference Result 7329 states and 10612 transitions. [2022-12-14 08:11:14,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:11:14,863 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 70 [2022-12-14 08:11:14,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:11:14,890 INFO L225 Difference]: With dead ends: 7329 [2022-12-14 08:11:14,890 INFO L226 Difference]: Without dead ends: 7327 [2022-12-14 08:11:14,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:11:14,895 INFO L413 NwaCegarLoop]: 5010 mSDtfsCounter, 3048 mSDsluCounter, 12327 mSDsCounter, 0 mSdLazyCounter, 1753 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3059 SdHoareTripleChecker+Valid, 17337 SdHoareTripleChecker+Invalid, 1756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1753 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:11:14,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3059 Valid, 17337 Invalid, 1756 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1753 Invalid, 1 Unknown, 0 Unchecked, 12.8s Time] [2022-12-14 08:11:14,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7327 states. [2022-12-14 08:11:15,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7327 to 7319. [2022-12-14 08:11:15,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7319 states, 4107 states have (on average 1.2434867299732164) internal successors, (5107), 4299 states have internal predecessors, (5107), 2677 states have call successors, (2677), 549 states have call predecessors, (2677), 532 states have return successors, (2819), 2608 states have call predecessors, (2819), 2671 states have call successors, (2819) [2022-12-14 08:11:15,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7319 states to 7319 states and 10603 transitions. [2022-12-14 08:11:15,289 INFO L78 Accepts]: Start accepts. Automaton has 7319 states and 10603 transitions. Word has length 70 [2022-12-14 08:11:15,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:11:15,289 INFO L495 AbstractCegarLoop]: Abstraction has 7319 states and 10603 transitions. [2022-12-14 08:11:15,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 08:11:15,289 INFO L276 IsEmpty]: Start isEmpty. Operand 7319 states and 10603 transitions. [2022-12-14 08:11:15,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 08:11:15,290 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:11:15,290 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 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] [2022-12-14 08:11:15,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 08:11:15,290 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:11:15,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:11:15,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1625700893, now seen corresponding path program 1 times [2022-12-14 08:11:15,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:11:15,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330015606] [2022-12-14 08:11:15,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:11:15,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:11:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:11:16,128 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-12-14 08:11:16,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:11:16,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330015606] [2022-12-14 08:11:16,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330015606] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:11:16,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:11:16,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:11:16,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595758874] [2022-12-14 08:11:16,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:11:16,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:11:16,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:11:16,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:11:16,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:11:16,131 INFO L87 Difference]: Start difference. First operand 7319 states and 10603 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 08:11:18,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:11:26,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:11:26,840 INFO L93 Difference]: Finished difference Result 7329 states and 10612 transitions. [2022-12-14 08:11:26,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:11:26,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 76 [2022-12-14 08:11:26,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:11:26,864 INFO L225 Difference]: With dead ends: 7329 [2022-12-14 08:11:26,864 INFO L226 Difference]: Without dead ends: 7327 [2022-12-14 08:11:26,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:11:26,868 INFO L413 NwaCegarLoop]: 3709 mSDtfsCounter, 4073 mSDsluCounter, 7392 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4083 SdHoareTripleChecker+Valid, 11101 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:11:26,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4083 Valid, 11101 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1202 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2022-12-14 08:11:26,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7327 states. [2022-12-14 08:11:27,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7327 to 7327. [2022-12-14 08:11:27,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7327 states, 4113 states have (on average 1.2431315341599805) internal successors, (5113), 4305 states have internal predecessors, (5113), 2677 states have call successors, (2677), 551 states have call predecessors, (2677), 534 states have return successors, (2819), 2608 states have call predecessors, (2819), 2671 states have call successors, (2819) [2022-12-14 08:11:27,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7327 states to 7327 states and 10609 transitions. [2022-12-14 08:11:27,256 INFO L78 Accepts]: Start accepts. Automaton has 7327 states and 10609 transitions. Word has length 76 [2022-12-14 08:11:27,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:11:27,256 INFO L495 AbstractCegarLoop]: Abstraction has 7327 states and 10609 transitions. [2022-12-14 08:11:27,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 08:11:27,256 INFO L276 IsEmpty]: Start isEmpty. Operand 7327 states and 10609 transitions. [2022-12-14 08:11:27,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 08:11:27,257 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:11:27,257 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 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] [2022-12-14 08:11:27,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 08:11:27,258 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:11:27,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:11:27,258 INFO L85 PathProgramCache]: Analyzing trace with hash 430302369, now seen corresponding path program 1 times [2022-12-14 08:11:27,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:11:27,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921101363] [2022-12-14 08:11:27,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:11:27,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:11:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:11:28,086 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-14 08:11:28,087 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:11:28,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921101363] [2022-12-14 08:11:28,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921101363] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:11:28,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:11:28,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:11:28,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218058642] [2022-12-14 08:11:28,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:11:28,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:11:28,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:11:28,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:11:28,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:11:28,089 INFO L87 Difference]: Start difference. First operand 7327 states and 10609 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 08:11:30,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:11:38,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:11:38,617 INFO L93 Difference]: Finished difference Result 7337 states and 10618 transitions. [2022-12-14 08:11:38,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:11:38,617 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 80 [2022-12-14 08:11:38,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:11:38,646 INFO L225 Difference]: With dead ends: 7337 [2022-12-14 08:11:38,646 INFO L226 Difference]: Without dead ends: 7335 [2022-12-14 08:11:38,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:11:38,651 INFO L413 NwaCegarLoop]: 3709 mSDtfsCounter, 4074 mSDsluCounter, 7392 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4083 SdHoareTripleChecker+Valid, 11101 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:11:38,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4083 Valid, 11101 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1202 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-12-14 08:11:38,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7335 states. [2022-12-14 08:11:39,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7335 to 7335. [2022-12-14 08:11:39,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7335 states, 4119 states have (on average 1.2427773731488225) internal successors, (5119), 4311 states have internal predecessors, (5119), 2677 states have call successors, (2677), 553 states have call predecessors, (2677), 536 states have return successors, (2819), 2608 states have call predecessors, (2819), 2671 states have call successors, (2819) [2022-12-14 08:11:39,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7335 states to 7335 states and 10615 transitions. [2022-12-14 08:11:39,095 INFO L78 Accepts]: Start accepts. Automaton has 7335 states and 10615 transitions. Word has length 80 [2022-12-14 08:11:39,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:11:39,095 INFO L495 AbstractCegarLoop]: Abstraction has 7335 states and 10615 transitions. [2022-12-14 08:11:39,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 08:11:39,095 INFO L276 IsEmpty]: Start isEmpty. Operand 7335 states and 10615 transitions. [2022-12-14 08:11:39,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 08:11:39,096 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:11:39,096 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 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] [2022-12-14 08:11:39,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 08:11:39,097 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:11:39,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:11:39,097 INFO L85 PathProgramCache]: Analyzing trace with hash 217865652, now seen corresponding path program 1 times [2022-12-14 08:11:39,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:11:39,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146075305] [2022-12-14 08:11:39,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:11:39,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:11:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:11:39,916 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-12-14 08:11:39,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:11:39,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146075305] [2022-12-14 08:11:39,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146075305] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:11:39,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:11:39,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:11:39,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587260470] [2022-12-14 08:11:39,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:11:39,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:11:39,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:11:39,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:11:39,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:11:39,918 INFO L87 Difference]: Start difference. First operand 7335 states and 10615 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 08:11:42,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:11:51,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:11:51,339 INFO L93 Difference]: Finished difference Result 7345 states and 10624 transitions. [2022-12-14 08:11:51,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:11:51,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 85 [2022-12-14 08:11:51,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:11:51,362 INFO L225 Difference]: With dead ends: 7345 [2022-12-14 08:11:51,362 INFO L226 Difference]: Without dead ends: 7343 [2022-12-14 08:11:51,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:11:51,366 INFO L413 NwaCegarLoop]: 3709 mSDtfsCounter, 4074 mSDsluCounter, 7392 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4082 SdHoareTripleChecker+Valid, 11101 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-12-14 08:11:51,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4082 Valid, 11101 Invalid, 1204 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1202 Invalid, 1 Unknown, 0 Unchecked, 10.6s Time] [2022-12-14 08:11:51,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7343 states. [2022-12-14 08:11:51,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7343 to 7343. [2022-12-14 08:11:51,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7343 states, 4125 states have (on average 1.2424242424242424) internal successors, (5125), 4317 states have internal predecessors, (5125), 2677 states have call successors, (2677), 555 states have call predecessors, (2677), 538 states have return successors, (2819), 2608 states have call predecessors, (2819), 2671 states have call successors, (2819) [2022-12-14 08:11:51,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7343 states to 7343 states and 10621 transitions. [2022-12-14 08:11:51,810 INFO L78 Accepts]: Start accepts. Automaton has 7343 states and 10621 transitions. Word has length 85 [2022-12-14 08:11:51,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:11:51,810 INFO L495 AbstractCegarLoop]: Abstraction has 7343 states and 10621 transitions. [2022-12-14 08:11:51,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 08:11:51,810 INFO L276 IsEmpty]: Start isEmpty. Operand 7343 states and 10621 transitions. [2022-12-14 08:11:51,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-14 08:11:51,811 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:11:51,812 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 3, 3, 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] [2022-12-14 08:11:51,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 08:11:51,812 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:11:51,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:11:51,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1245661400, now seen corresponding path program 1 times [2022-12-14 08:11:51,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:11:51,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991905233] [2022-12-14 08:11:51,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:11:51,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:11:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:11:52,618 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-12-14 08:11:52,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:11:52,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991905233] [2022-12-14 08:11:52,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991905233] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:11:52,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:11:52,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:11:52,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524186401] [2022-12-14 08:11:52,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:11:52,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:11:52,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:11:52,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:11:52,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:11:52,621 INFO L87 Difference]: Start difference. First operand 7343 states and 10621 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 08:11:54,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:12:04,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:12:04,257 INFO L93 Difference]: Finished difference Result 7353 states and 10630 transitions. [2022-12-14 08:12:04,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:12:04,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 91 [2022-12-14 08:12:04,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:12:04,277 INFO L225 Difference]: With dead ends: 7353 [2022-12-14 08:12:04,277 INFO L226 Difference]: Without dead ends: 7351 [2022-12-14 08:12:04,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:12:04,279 INFO L413 NwaCegarLoop]: 3709 mSDtfsCounter, 4073 mSDsluCounter, 7392 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4080 SdHoareTripleChecker+Valid, 11101 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-12-14 08:12:04,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4080 Valid, 11101 Invalid, 1204 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1202 Invalid, 1 Unknown, 0 Unchecked, 10.6s Time] [2022-12-14 08:12:04,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7351 states. [2022-12-14 08:12:04,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7351 to 7351. [2022-12-14 08:12:04,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7351 states, 4131 states have (on average 1.242072137496974) internal successors, (5131), 4323 states have internal predecessors, (5131), 2677 states have call successors, (2677), 557 states have call predecessors, (2677), 540 states have return successors, (2819), 2608 states have call predecessors, (2819), 2671 states have call successors, (2819) [2022-12-14 08:12:04,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7351 states to 7351 states and 10627 transitions. [2022-12-14 08:12:04,720 INFO L78 Accepts]: Start accepts. Automaton has 7351 states and 10627 transitions. Word has length 91 [2022-12-14 08:12:04,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:12:04,721 INFO L495 AbstractCegarLoop]: Abstraction has 7351 states and 10627 transitions. [2022-12-14 08:12:04,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 08:12:04,721 INFO L276 IsEmpty]: Start isEmpty. Operand 7351 states and 10627 transitions. [2022-12-14 08:12:04,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-14 08:12:04,722 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:12:04,722 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 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] [2022-12-14 08:12:04,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 08:12:04,722 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:12:04,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:12:04,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1454781277, now seen corresponding path program 1 times [2022-12-14 08:12:04,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:12:04,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27451695] [2022-12-14 08:12:04,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:12:04,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:12:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:12:05,514 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-12-14 08:12:05,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:12:05,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27451695] [2022-12-14 08:12:05,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27451695] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:12:05,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:12:05,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:12:05,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427896691] [2022-12-14 08:12:05,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:12:05,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:12:05,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:12:05,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:12:05,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:12:05,517 INFO L87 Difference]: Start difference. First operand 7351 states and 10627 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 08:12:07,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:12:16,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:12:16,474 INFO L93 Difference]: Finished difference Result 7481 states and 10745 transitions. [2022-12-14 08:12:16,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:12:16,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 96 [2022-12-14 08:12:16,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:12:16,499 INFO L225 Difference]: With dead ends: 7481 [2022-12-14 08:12:16,499 INFO L226 Difference]: Without dead ends: 7479 [2022-12-14 08:12:16,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:12:16,504 INFO L413 NwaCegarLoop]: 3731 mSDtfsCounter, 4037 mSDsluCounter, 7498 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4043 SdHoareTripleChecker+Valid, 11229 SdHoareTripleChecker+Invalid, 1215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:12:16,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4043 Valid, 11229 Invalid, 1215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1212 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2022-12-14 08:12:16,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7479 states. [2022-12-14 08:12:16,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7479 to 7477. [2022-12-14 08:12:16,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7477 states, 4207 states have (on average 1.2400760637033517) internal successors, (5217), 4401 states have internal predecessors, (5217), 2691 states have call successors, (2691), 593 states have call predecessors, (2691), 576 states have return successors, (2833), 2622 states have call predecessors, (2833), 2685 states have call successors, (2833) [2022-12-14 08:12:16,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7477 states to 7477 states and 10741 transitions. [2022-12-14 08:12:16,990 INFO L78 Accepts]: Start accepts. Automaton has 7477 states and 10741 transitions. Word has length 96 [2022-12-14 08:12:16,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:12:16,991 INFO L495 AbstractCegarLoop]: Abstraction has 7477 states and 10741 transitions. [2022-12-14 08:12:16,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 08:12:16,991 INFO L276 IsEmpty]: Start isEmpty. Operand 7477 states and 10741 transitions. [2022-12-14 08:12:16,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-12-14 08:12:16,992 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:12:16,992 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:12:16,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 08:12:16,992 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:12:16,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:12:16,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1045737225, now seen corresponding path program 1 times [2022-12-14 08:12:16,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:12:16,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232652948] [2022-12-14 08:12:16,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:12:16,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:12:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:12:18,487 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-12-14 08:12:18,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:12:18,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232652948] [2022-12-14 08:12:18,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232652948] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:12:18,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:12:18,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:12:18,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526137596] [2022-12-14 08:12:18,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:12:18,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:12:18,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:12:18,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:12:18,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:12:18,490 INFO L87 Difference]: Start difference. First operand 7477 states and 10741 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 08:12:20,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:12:33,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:12:33,353 INFO L93 Difference]: Finished difference Result 7495 states and 10756 transitions. [2022-12-14 08:12:33,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 08:12:33,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 114 [2022-12-14 08:12:33,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:12:33,374 INFO L225 Difference]: With dead ends: 7495 [2022-12-14 08:12:33,374 INFO L226 Difference]: Without dead ends: 7493 [2022-12-14 08:12:33,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:12:33,377 INFO L413 NwaCegarLoop]: 5009 mSDtfsCounter, 3038 mSDsluCounter, 12343 mSDsCounter, 0 mSdLazyCounter, 1743 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 17352 SdHoareTripleChecker+Invalid, 1746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1743 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-12-14 08:12:33,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3043 Valid, 17352 Invalid, 1746 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1743 Invalid, 1 Unknown, 0 Unchecked, 13.9s Time] [2022-12-14 08:12:33,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7493 states. [2022-12-14 08:12:33,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7493 to 7485. [2022-12-14 08:12:33,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7485 states, 4213 states have (on average 1.2397341561832425) internal successors, (5223), 4407 states have internal predecessors, (5223), 2691 states have call successors, (2691), 595 states have call predecessors, (2691), 578 states have return successors, (2833), 2622 states have call predecessors, (2833), 2685 states have call successors, (2833) [2022-12-14 08:12:33,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7485 states to 7485 states and 10747 transitions. [2022-12-14 08:12:33,836 INFO L78 Accepts]: Start accepts. Automaton has 7485 states and 10747 transitions. Word has length 114 [2022-12-14 08:12:33,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:12:33,837 INFO L495 AbstractCegarLoop]: Abstraction has 7485 states and 10747 transitions. [2022-12-14 08:12:33,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 08:12:33,837 INFO L276 IsEmpty]: Start isEmpty. Operand 7485 states and 10747 transitions. [2022-12-14 08:12:33,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-14 08:12:33,838 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:12:33,838 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 3, 3, 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] [2022-12-14 08:12:33,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 08:12:33,838 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:12:33,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:12:33,839 INFO L85 PathProgramCache]: Analyzing trace with hash -720163912, now seen corresponding path program 1 times [2022-12-14 08:12:33,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:12:33,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224848125] [2022-12-14 08:12:33,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:12:33,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:12:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:12:34,660 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-12-14 08:12:34,661 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:12:34,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224848125] [2022-12-14 08:12:34,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224848125] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:12:34,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:12:34,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:12:34,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682464439] [2022-12-14 08:12:34,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:12:34,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:12:34,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:12:34,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:12:34,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:12:34,664 INFO L87 Difference]: Start difference. First operand 7485 states and 10747 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 08:12:36,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:12:45,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:12:45,443 INFO L93 Difference]: Finished difference Result 7561 states and 10799 transitions. [2022-12-14 08:12:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:12:45,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 101 [2022-12-14 08:12:45,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:12:45,463 INFO L225 Difference]: With dead ends: 7561 [2022-12-14 08:12:45,464 INFO L226 Difference]: Without dead ends: 7559 [2022-12-14 08:12:45,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:12:45,466 INFO L413 NwaCegarLoop]: 3714 mSDtfsCounter, 4018 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4023 SdHoareTripleChecker+Valid, 11196 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-12-14 08:12:45,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4023 Valid, 11196 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1220 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2022-12-14 08:12:45,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7559 states. [2022-12-14 08:12:45,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7559 to 7557. [2022-12-14 08:12:45,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7557 states, 4257 states have (on average 1.2381959126145172) internal successors, (5271), 4451 states have internal predecessors, (5271), 2691 states have call successors, (2691), 623 states have call predecessors, (2691), 606 states have return successors, (2833), 2622 states have call predecessors, (2833), 2685 states have call successors, (2833) [2022-12-14 08:12:45,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7557 states to 7557 states and 10795 transitions. [2022-12-14 08:12:45,951 INFO L78 Accepts]: Start accepts. Automaton has 7557 states and 10795 transitions. Word has length 101 [2022-12-14 08:12:45,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:12:45,951 INFO L495 AbstractCegarLoop]: Abstraction has 7557 states and 10795 transitions. [2022-12-14 08:12:45,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 08:12:45,951 INFO L276 IsEmpty]: Start isEmpty. Operand 7557 states and 10795 transitions. [2022-12-14 08:12:45,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-12-14 08:12:45,953 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:12:45,953 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 3, 3, 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] [2022-12-14 08:12:45,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 08:12:45,953 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:12:45,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:12:45,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1116255235, now seen corresponding path program 1 times [2022-12-14 08:12:45,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:12:45,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572477415] [2022-12-14 08:12:45,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:12:45,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:12:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:12:46,754 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2022-12-14 08:12:46,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:12:46,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572477415] [2022-12-14 08:12:46,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572477415] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:12:46,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:12:46,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:12:46,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859147315] [2022-12-14 08:12:46,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:12:46,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:12:46,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:12:46,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:12:46,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:12:46,756 INFO L87 Difference]: Start difference. First operand 7557 states and 10795 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 08:12:48,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:12:57,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:12:57,724 INFO L93 Difference]: Finished difference Result 7567 states and 10804 transitions. [2022-12-14 08:12:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:12:57,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 106 [2022-12-14 08:12:57,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:12:57,744 INFO L225 Difference]: With dead ends: 7567 [2022-12-14 08:12:57,744 INFO L226 Difference]: Without dead ends: 7565 [2022-12-14 08:12:57,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:12:57,746 INFO L413 NwaCegarLoop]: 3709 mSDtfsCounter, 4073 mSDsluCounter, 7392 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4077 SdHoareTripleChecker+Valid, 11101 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-12-14 08:12:57,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4077 Valid, 11101 Invalid, 1204 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1202 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2022-12-14 08:12:57,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7565 states. [2022-12-14 08:12:58,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7565 to 7565. [2022-12-14 08:12:58,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7565 states, 4263 states have (on average 1.2378606615059817) internal successors, (5277), 4457 states have internal predecessors, (5277), 2691 states have call successors, (2691), 625 states have call predecessors, (2691), 608 states have return successors, (2833), 2622 states have call predecessors, (2833), 2685 states have call successors, (2833) [2022-12-14 08:12:58,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7565 states to 7565 states and 10801 transitions. [2022-12-14 08:12:58,261 INFO L78 Accepts]: Start accepts. Automaton has 7565 states and 10801 transitions. Word has length 106 [2022-12-14 08:12:58,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:12:58,261 INFO L495 AbstractCegarLoop]: Abstraction has 7565 states and 10801 transitions. [2022-12-14 08:12:58,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 08:12:58,262 INFO L276 IsEmpty]: Start isEmpty. Operand 7565 states and 10801 transitions. [2022-12-14 08:12:58,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-12-14 08:12:58,263 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:12:58,263 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 3, 3, 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] [2022-12-14 08:12:58,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 08:12:58,263 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:12:58,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:12:58,263 INFO L85 PathProgramCache]: Analyzing trace with hash -2071812456, now seen corresponding path program 1 times [2022-12-14 08:12:58,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:12:58,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981252204] [2022-12-14 08:12:58,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:12:58,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:12:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:12:59,070 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2022-12-14 08:12:59,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:12:59,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981252204] [2022-12-14 08:12:59,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981252204] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:12:59,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:12:59,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:12:59,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441906720] [2022-12-14 08:12:59,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:12:59,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:12:59,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:12:59,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:12:59,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:12:59,073 INFO L87 Difference]: Start difference. First operand 7565 states and 10801 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 08:13:01,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:13:10,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:13:10,488 INFO L93 Difference]: Finished difference Result 7575 states and 10810 transitions. [2022-12-14 08:13:10,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:13:10,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 111 [2022-12-14 08:13:10,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:13:10,509 INFO L225 Difference]: With dead ends: 7575 [2022-12-14 08:13:10,509 INFO L226 Difference]: Without dead ends: 7573 [2022-12-14 08:13:10,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:13:10,512 INFO L413 NwaCegarLoop]: 3709 mSDtfsCounter, 4073 mSDsluCounter, 7392 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4076 SdHoareTripleChecker+Valid, 11101 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-12-14 08:13:10,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4076 Valid, 11101 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1202 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time] [2022-12-14 08:13:10,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7573 states. [2022-12-14 08:13:11,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7573 to 7573. [2022-12-14 08:13:11,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7573 states, 4269 states have (on average 1.2375263527758258) internal successors, (5283), 4463 states have internal predecessors, (5283), 2691 states have call successors, (2691), 627 states have call predecessors, (2691), 610 states have return successors, (2833), 2622 states have call predecessors, (2833), 2685 states have call successors, (2833) [2022-12-14 08:13:11,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7573 states to 7573 states and 10807 transitions. [2022-12-14 08:13:11,071 INFO L78 Accepts]: Start accepts. Automaton has 7573 states and 10807 transitions. Word has length 111 [2022-12-14 08:13:11,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:13:11,071 INFO L495 AbstractCegarLoop]: Abstraction has 7573 states and 10807 transitions. [2022-12-14 08:13:11,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 08:13:11,071 INFO L276 IsEmpty]: Start isEmpty. Operand 7573 states and 10807 transitions. [2022-12-14 08:13:11,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-14 08:13:11,073 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:13:11,073 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 3, 3, 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] [2022-12-14 08:13:11,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 08:13:11,073 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:13:11,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:13:11,073 INFO L85 PathProgramCache]: Analyzing trace with hash 152816797, now seen corresponding path program 1 times [2022-12-14 08:13:11,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:13:11,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734704864] [2022-12-14 08:13:11,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:13:11,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:13:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:13:11,884 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2022-12-14 08:13:11,885 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:13:11,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734704864] [2022-12-14 08:13:11,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734704864] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:13:11,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:13:11,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:13:11,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752592814] [2022-12-14 08:13:11,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:13:11,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:13:11,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:13:11,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:13:11,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:13:11,887 INFO L87 Difference]: Start difference. First operand 7573 states and 10807 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 08:13:13,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:13:23,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:13:23,979 INFO L93 Difference]: Finished difference Result 7583 states and 10816 transitions. [2022-12-14 08:13:23,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:13:23,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 116 [2022-12-14 08:13:23,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:13:24,001 INFO L225 Difference]: With dead ends: 7583 [2022-12-14 08:13:24,002 INFO L226 Difference]: Without dead ends: 7581 [2022-12-14 08:13:24,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:13:24,005 INFO L413 NwaCegarLoop]: 3709 mSDtfsCounter, 4073 mSDsluCounter, 7392 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4075 SdHoareTripleChecker+Valid, 11101 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:13:24,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4075 Valid, 11101 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1202 Invalid, 1 Unknown, 0 Unchecked, 11.0s Time] [2022-12-14 08:13:24,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7581 states. [2022-12-14 08:13:24,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7581 to 7581. [2022-12-14 08:13:24,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7581 states, 4275 states have (on average 1.2371929824561403) internal successors, (5289), 4469 states have internal predecessors, (5289), 2691 states have call successors, (2691), 629 states have call predecessors, (2691), 612 states have return successors, (2833), 2622 states have call predecessors, (2833), 2685 states have call successors, (2833) [2022-12-14 08:13:24,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7581 states to 7581 states and 10813 transitions. [2022-12-14 08:13:24,588 INFO L78 Accepts]: Start accepts. Automaton has 7581 states and 10813 transitions. Word has length 116 [2022-12-14 08:13:24,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:13:24,588 INFO L495 AbstractCegarLoop]: Abstraction has 7581 states and 10813 transitions. [2022-12-14 08:13:24,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 08:13:24,589 INFO L276 IsEmpty]: Start isEmpty. Operand 7581 states and 10813 transitions. [2022-12-14 08:13:24,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-14 08:13:24,590 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:13:24,590 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 08:13:24,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 08:13:24,591 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:13:24,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:13:24,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1095271810, now seen corresponding path program 1 times [2022-12-14 08:13:24,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:13:24,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574073314] [2022-12-14 08:13:24,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:13:24,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:13:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:13:26,093 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-12-14 08:13:26,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:13:26,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574073314] [2022-12-14 08:13:26,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574073314] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:13:26,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:13:26,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:13:26,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283759735] [2022-12-14 08:13:26,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:13:26,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:13:26,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:13:26,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:13:26,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:13:26,096 INFO L87 Difference]: Start difference. First operand 7581 states and 10813 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 08:13:28,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:13:40,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:13:40,727 INFO L93 Difference]: Finished difference Result 7601 states and 10829 transitions. [2022-12-14 08:13:40,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 08:13:40,727 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2022-12-14 08:13:40,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:13:40,746 INFO L225 Difference]: With dead ends: 7601 [2022-12-14 08:13:40,747 INFO L226 Difference]: Without dead ends: 7599 [2022-12-14 08:13:40,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:13:40,749 INFO L413 NwaCegarLoop]: 4731 mSDtfsCounter, 3907 mSDsluCounter, 12692 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3912 SdHoareTripleChecker+Valid, 17423 SdHoareTripleChecker+Invalid, 1610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-12-14 08:13:40,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3912 Valid, 17423 Invalid, 1610 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1606 Invalid, 1 Unknown, 0 Unchecked, 13.3s Time] [2022-12-14 08:13:40,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7599 states. [2022-12-14 08:13:41,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7599 to 7589. [2022-12-14 08:13:41,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7589 states, 4281 states have (on average 1.2368605466012614) internal successors, (5295), 4475 states have internal predecessors, (5295), 2691 states have call successors, (2691), 631 states have call predecessors, (2691), 614 states have return successors, (2833), 2622 states have call predecessors, (2833), 2685 states have call successors, (2833) [2022-12-14 08:13:41,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7589 states to 7589 states and 10819 transitions. [2022-12-14 08:13:41,340 INFO L78 Accepts]: Start accepts. Automaton has 7589 states and 10819 transitions. Word has length 142 [2022-12-14 08:13:41,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:13:41,341 INFO L495 AbstractCegarLoop]: Abstraction has 7589 states and 10819 transitions. [2022-12-14 08:13:41,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 08:13:41,341 INFO L276 IsEmpty]: Start isEmpty. Operand 7589 states and 10819 transitions. [2022-12-14 08:13:41,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-14 08:13:41,342 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:13:41,342 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 3, 3, 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] [2022-12-14 08:13:41,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 08:13:41,343 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:13:41,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:13:41,343 INFO L85 PathProgramCache]: Analyzing trace with hash -2050030815, now seen corresponding path program 1 times [2022-12-14 08:13:41,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:13:41,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684656325] [2022-12-14 08:13:41,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:13:41,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:13:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:13:42,168 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-12-14 08:13:42,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:13:42,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684656325] [2022-12-14 08:13:42,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684656325] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:13:42,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:13:42,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:13:42,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108346792] [2022-12-14 08:13:42,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:13:42,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:13:42,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:13:42,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:13:42,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:13:42,170 INFO L87 Difference]: Start difference. First operand 7589 states and 10819 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 08:13:44,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:13:54,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:13:54,150 INFO L93 Difference]: Finished difference Result 7633 states and 10855 transitions. [2022-12-14 08:13:54,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:13:54,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 120 [2022-12-14 08:13:54,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:13:54,175 INFO L225 Difference]: With dead ends: 7633 [2022-12-14 08:13:54,175 INFO L226 Difference]: Without dead ends: 7629 [2022-12-14 08:13:54,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:13:54,178 INFO L413 NwaCegarLoop]: 3709 mSDtfsCounter, 4046 mSDsluCounter, 7422 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4047 SdHoareTripleChecker+Valid, 11131 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-12-14 08:13:54,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4047 Valid, 11131 Invalid, 1210 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1207 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2022-12-14 08:13:54,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7629 states. [2022-12-14 08:13:54,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7629 to 7627. [2022-12-14 08:13:54,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7627 states, 4308 states have (on average 1.2360724233983287) internal successors, (5325), 4501 states have internal predecessors, (5325), 2691 states have call successors, (2691), 643 states have call predecessors, (2691), 625 states have return successors, (2833), 2622 states have call predecessors, (2833), 2685 states have call successors, (2833) [2022-12-14 08:13:54,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7627 states to 7627 states and 10849 transitions. [2022-12-14 08:13:54,796 INFO L78 Accepts]: Start accepts. Automaton has 7627 states and 10849 transitions. Word has length 120 [2022-12-14 08:13:54,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:13:54,796 INFO L495 AbstractCegarLoop]: Abstraction has 7627 states and 10849 transitions. [2022-12-14 08:13:54,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 08:13:54,796 INFO L276 IsEmpty]: Start isEmpty. Operand 7627 states and 10849 transitions. [2022-12-14 08:13:54,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-14 08:13:54,798 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:13:54,798 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 3, 3, 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] [2022-12-14 08:13:54,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 08:13:54,798 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:13:54,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:13:54,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1568557763, now seen corresponding path program 1 times [2022-12-14 08:13:54,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:13:54,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446024970] [2022-12-14 08:13:54,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:13:54,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:13:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:13:55,646 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2022-12-14 08:13:55,647 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:13:55,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446024970] [2022-12-14 08:13:55,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446024970] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:13:55,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:13:55,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:13:55,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693623296] [2022-12-14 08:13:55,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:13:55,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:13:55,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:13:55,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:13:55,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:13:55,649 INFO L87 Difference]: Start difference. First operand 7627 states and 10849 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 08:13:57,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:14:07,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:14:07,623 INFO L93 Difference]: Finished difference Result 7633 states and 10854 transitions. [2022-12-14 08:14:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:14:07,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 126 [2022-12-14 08:14:07,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:14:07,648 INFO L225 Difference]: With dead ends: 7633 [2022-12-14 08:14:07,648 INFO L226 Difference]: Without dead ends: 7429 [2022-12-14 08:14:07,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:14:07,653 INFO L413 NwaCegarLoop]: 3710 mSDtfsCounter, 4073 mSDsluCounter, 7394 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4073 SdHoareTripleChecker+Valid, 11104 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:14:07,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4073 Valid, 11104 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1199 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2022-12-14 08:14:07,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7429 states. [2022-12-14 08:14:08,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7429 to 7429. [2022-12-14 08:14:08,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7429 states, 4192 states have (on average 1.2416507633587786) internal successors, (5205), 4383 states have internal predecessors, (5205), 2645 states have call successors, (2645), 606 states have call predecessors, (2645), 589 states have return successors, (2790), 2579 states have call predecessors, (2790), 2642 states have call successors, (2790) [2022-12-14 08:14:08,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7429 states to 7429 states and 10640 transitions. [2022-12-14 08:14:08,287 INFO L78 Accepts]: Start accepts. Automaton has 7429 states and 10640 transitions. Word has length 126 [2022-12-14 08:14:08,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:14:08,287 INFO L495 AbstractCegarLoop]: Abstraction has 7429 states and 10640 transitions. [2022-12-14 08:14:08,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 08:14:08,287 INFO L276 IsEmpty]: Start isEmpty. Operand 7429 states and 10640 transitions. [2022-12-14 08:14:08,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-12-14 08:14:08,289 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:14:08,289 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 08:14:08,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 08:14:08,289 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:14:08,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:14:08,289 INFO L85 PathProgramCache]: Analyzing trace with hash -481449863, now seen corresponding path program 1 times [2022-12-14 08:14:08,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:14:08,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253767349] [2022-12-14 08:14:08,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:14:08,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:14:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:14:08,911 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-12-14 08:14:08,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:14:08,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253767349] [2022-12-14 08:14:08,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253767349] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:14:08,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:14:08,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:14:08,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706592938] [2022-12-14 08:14:08,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:14:08,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:14:08,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:14:08,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:14:08,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:14:08,914 INFO L87 Difference]: Start difference. First operand 7429 states and 10640 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 08:14:11,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:14:19,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:14:19,646 INFO L93 Difference]: Finished difference Result 14852 states and 21281 transitions. [2022-12-14 08:14:19,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:14:19,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 150 [2022-12-14 08:14:19,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:14:19,674 INFO L225 Difference]: With dead ends: 14852 [2022-12-14 08:14:19,674 INFO L226 Difference]: Without dead ends: 7437 [2022-12-14 08:14:19,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:14:19,694 INFO L413 NwaCegarLoop]: 3663 mSDtfsCounter, 10 mSDsluCounter, 7308 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 10971 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-12-14 08:14:19,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 10971 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1191 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2022-12-14 08:14:19,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7437 states. [2022-12-14 08:14:20,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7437 to 7433. [2022-12-14 08:14:20,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7433 states, 4194 states have (on average 1.2415355269432522) internal successors, (5207), 4387 states have internal predecessors, (5207), 2645 states have call successors, (2645), 606 states have call predecessors, (2645), 591 states have return successors, (2792), 2579 states have call predecessors, (2792), 2642 states have call successors, (2792) [2022-12-14 08:14:20,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7433 states to 7433 states and 10644 transitions. [2022-12-14 08:14:20,384 INFO L78 Accepts]: Start accepts. Automaton has 7433 states and 10644 transitions. Word has length 150 [2022-12-14 08:14:20,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:14:20,384 INFO L495 AbstractCegarLoop]: Abstraction has 7433 states and 10644 transitions. [2022-12-14 08:14:20,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 08:14:20,385 INFO L276 IsEmpty]: Start isEmpty. Operand 7433 states and 10644 transitions. [2022-12-14 08:14:20,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-12-14 08:14:20,387 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:14:20,387 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 08:14:20,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 08:14:20,388 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:14:20,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:14:20,388 INFO L85 PathProgramCache]: Analyzing trace with hash 6994798, now seen corresponding path program 1 times [2022-12-14 08:14:20,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:14:20,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302914195] [2022-12-14 08:14:20,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:14:20,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:14:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:14:21,128 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-12-14 08:14:21,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:14:21,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302914195] [2022-12-14 08:14:21,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302914195] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:14:21,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:14:21,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:14:21,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336307761] [2022-12-14 08:14:21,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:14:21,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:14:21,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:14:21,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:14:21,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:14:21,130 INFO L87 Difference]: Start difference. First operand 7433 states and 10644 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 08:14:23,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:14:29,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:14:29,782 INFO L93 Difference]: Finished difference Result 14717 states and 21243 transitions. [2022-12-14 08:14:29,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:14:29,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 151 [2022-12-14 08:14:29,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:14:29,808 INFO L225 Difference]: With dead ends: 14717 [2022-12-14 08:14:29,809 INFO L226 Difference]: Without dead ends: 7298 [2022-12-14 08:14:29,832 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 08:14:29,832 INFO L413 NwaCegarLoop]: 3666 mSDtfsCounter, 1 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7329 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-12-14 08:14:29,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 7329 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-12-14 08:14:29,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7298 states. [2022-12-14 08:14:30,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7298 to 7296. [2022-12-14 08:14:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7296 states, 4120 states have (on average 1.2402912621359223) internal successors, (5110), 4308 states have internal predecessors, (5110), 2587 states have call successors, (2587), 601 states have call predecessors, (2587), 586 states have return successors, (2718), 2522 states have call predecessors, (2718), 2584 states have call successors, (2718) [2022-12-14 08:14:30,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7296 states to 7296 states and 10415 transitions. [2022-12-14 08:14:30,450 INFO L78 Accepts]: Start accepts. Automaton has 7296 states and 10415 transitions. Word has length 151 [2022-12-14 08:14:30,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:14:30,451 INFO L495 AbstractCegarLoop]: Abstraction has 7296 states and 10415 transitions. [2022-12-14 08:14:30,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 08:14:30,451 INFO L276 IsEmpty]: Start isEmpty. Operand 7296 states and 10415 transitions. [2022-12-14 08:14:30,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-12-14 08:14:30,452 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:14:30,452 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 08:14:30,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 08:14:30,453 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:14:30,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:14:30,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1695135016, now seen corresponding path program 1 times [2022-12-14 08:14:30,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:14:30,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745329803] [2022-12-14 08:14:30,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:14:30,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:14:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:14:30,919 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-12-14 08:14:30,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:14:30,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745329803] [2022-12-14 08:14:30,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745329803] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:14:30,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:14:30,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:14:30,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36751828] [2022-12-14 08:14:30,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:14:30,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:14:30,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:14:30,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:14:30,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:14:30,921 INFO L87 Difference]: Start difference. First operand 7296 states and 10415 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 08:14:33,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:14:39,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:14:39,805 INFO L93 Difference]: Finished difference Result 14856 states and 21266 transitions. [2022-12-14 08:14:39,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:14:39,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 153 [2022-12-14 08:14:39,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:14:39,830 INFO L225 Difference]: With dead ends: 14856 [2022-12-14 08:14:39,831 INFO L226 Difference]: Without dead ends: 7574 [2022-12-14 08:14:39,846 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 08:14:39,847 INFO L413 NwaCegarLoop]: 3786 mSDtfsCounter, 242 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 7324 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-12-14 08:14:39,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 7324 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 782 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2022-12-14 08:14:39,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7574 states. [2022-12-14 08:14:40,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7574 to 7304. [2022-12-14 08:14:40,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7304 states, 4126 states have (on average 1.240426563257392) internal successors, (5118), 4315 states have internal predecessors, (5118), 2588 states have call successors, (2588), 601 states have call predecessors, (2588), 587 states have return successors, (2721), 2523 states have call predecessors, (2721), 2585 states have call successors, (2721) [2022-12-14 08:14:40,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7304 states to 7304 states and 10427 transitions. [2022-12-14 08:14:40,492 INFO L78 Accepts]: Start accepts. Automaton has 7304 states and 10427 transitions. Word has length 153 [2022-12-14 08:14:40,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:14:40,492 INFO L495 AbstractCegarLoop]: Abstraction has 7304 states and 10427 transitions. [2022-12-14 08:14:40,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 08:14:40,493 INFO L276 IsEmpty]: Start isEmpty. Operand 7304 states and 10427 transitions. [2022-12-14 08:14:40,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-12-14 08:14:40,494 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:14:40,494 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 08:14:40,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 08:14:40,494 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:14:40,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:14:40,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1725243711, now seen corresponding path program 1 times [2022-12-14 08:14:40,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:14:40,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415500094] [2022-12-14 08:14:40,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:14:40,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:14:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:14:41,058 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-12-14 08:14:41,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:14:41,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415500094] [2022-12-14 08:14:41,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415500094] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:14:41,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:14:41,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:14:41,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182123950] [2022-12-14 08:14:41,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:14:41,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:14:41,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:14:41,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:14:41,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:14:41,060 INFO L87 Difference]: Start difference. First operand 7304 states and 10427 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-12-14 08:14:43,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:14:50,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:14:50,521 INFO L93 Difference]: Finished difference Result 14653 states and 20958 transitions. [2022-12-14 08:14:50,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:14:50,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 154 [2022-12-14 08:14:50,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:14:50,548 INFO L225 Difference]: With dead ends: 14653 [2022-12-14 08:14:50,548 INFO L226 Difference]: Without dead ends: 7363 [2022-12-14 08:14:50,567 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 08:14:50,568 INFO L413 NwaCegarLoop]: 3693 mSDtfsCounter, 26 mSDsluCounter, 3672 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 7365 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-12-14 08:14:50,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 7365 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 791 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2022-12-14 08:14:50,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7363 states. [2022-12-14 08:14:51,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7363 to 7306. [2022-12-14 08:14:51,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7306 states, 4128 states have (on average 1.2403100775193798) internal successors, (5120), 4317 states have internal predecessors, (5120), 2588 states have call successors, (2588), 601 states have call predecessors, (2588), 587 states have return successors, (2721), 2523 states have call predecessors, (2721), 2585 states have call successors, (2721) [2022-12-14 08:14:51,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7306 states to 7306 states and 10429 transitions. [2022-12-14 08:14:51,215 INFO L78 Accepts]: Start accepts. Automaton has 7306 states and 10429 transitions. Word has length 154 [2022-12-14 08:14:51,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:14:51,216 INFO L495 AbstractCegarLoop]: Abstraction has 7306 states and 10429 transitions. [2022-12-14 08:14:51,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-12-14 08:14:51,216 INFO L276 IsEmpty]: Start isEmpty. Operand 7306 states and 10429 transitions. [2022-12-14 08:14:51,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-12-14 08:14:51,217 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:14:51,217 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 08:14:51,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 08:14:51,217 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:14:51,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:14:51,218 INFO L85 PathProgramCache]: Analyzing trace with hash -974655678, now seen corresponding path program 1 times [2022-12-14 08:14:51,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:14:51,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729592483] [2022-12-14 08:14:51,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:14:51,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:14:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:14:52,623 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-12-14 08:14:52,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:14:52,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729592483] [2022-12-14 08:14:52,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729592483] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:14:52,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:14:52,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:14:52,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404784611] [2022-12-14 08:14:52,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:14:52,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:14:52,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:14:52,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:14:52,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:14:52,625 INFO L87 Difference]: Start difference. First operand 7306 states and 10429 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 08:14:54,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:15:04,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:15:04,092 INFO L93 Difference]: Finished difference Result 7326 states and 10447 transitions. [2022-12-14 08:15:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:15:04,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 155 [2022-12-14 08:15:04,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:15:04,119 INFO L225 Difference]: With dead ends: 7326 [2022-12-14 08:15:04,119 INFO L226 Difference]: Without dead ends: 7324 [2022-12-14 08:15:04,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:15:04,122 INFO L413 NwaCegarLoop]: 3667 mSDtfsCounter, 3973 mSDsluCounter, 7352 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3978 SdHoareTripleChecker+Valid, 11019 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:15:04,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3978 Valid, 11019 Invalid, 1196 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1193 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2022-12-14 08:15:04,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7324 states. [2022-12-14 08:15:04,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7324 to 7322. [2022-12-14 08:15:04,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7322 states, 4140 states have (on average 1.2396135265700483) internal successors, (5132), 4329 states have internal predecessors, (5132), 2588 states have call successors, (2588), 605 states have call predecessors, (2588), 591 states have return successors, (2721), 2523 states have call predecessors, (2721), 2585 states have call successors, (2721) [2022-12-14 08:15:04,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7322 states to 7322 states and 10441 transitions. [2022-12-14 08:15:04,778 INFO L78 Accepts]: Start accepts. Automaton has 7322 states and 10441 transitions. Word has length 155 [2022-12-14 08:15:04,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:15:04,778 INFO L495 AbstractCegarLoop]: Abstraction has 7322 states and 10441 transitions. [2022-12-14 08:15:04,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 08:15:04,779 INFO L276 IsEmpty]: Start isEmpty. Operand 7322 states and 10441 transitions. [2022-12-14 08:15:04,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-12-14 08:15:04,780 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:15:04,780 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 08:15:04,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 08:15:04,780 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 08:15:04,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:15:04,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1341215263, now seen corresponding path program 1 times [2022-12-14 08:15:04,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:15:04,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761135369] [2022-12-14 08:15:04,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:15:04,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:15:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:15:05,496 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-12-14 08:15:05,496 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:15:05,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761135369] [2022-12-14 08:15:05,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761135369] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:15:05,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986156899] [2022-12-14 08:15:05,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:15:05,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:15:05,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e09d76d-89fe-46db-b937-d81d00a7371c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:15:05,498 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e09d76d-89fe-46db-b937-d81d00a7371c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:15:05,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e09d76d-89fe-46db-b937-d81d00a7371c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 08:15:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:15:08,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 5734 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:15:08,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:15:08,187 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-12-14 08:15:08,187 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:15:08,372 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-12-14 08:15:08,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986156899] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:15:08,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2138306515] [2022-12-14 08:15:08,391 INFO L159 IcfgInterpreter]: Started Sifa with 104 locations of interest [2022-12-14 08:15:08,391 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:15:08,394 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:15:08,397 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:15:08,398 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:18:40,292 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 312) 0) [2022-12-14 08:18:40,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:42,341 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 96) 0) [2022-12-14 08:18:42,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:44,372 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 144) 0) [2022-12-14 08:18:44,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:46,400 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 432) 0) [2022-12-14 08:18:46,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:48,428 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 480) 0) [2022-12-14 08:18:48,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:50,480 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ 408 |~#cas_prog_workaroundtab~0.offset|) 0) [2022-12-14 08:18:50,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:52,562 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ 192 |~#cas_prog_workaroundtab~0.offset|) 0) [2022-12-14 08:18:52,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:54,614 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 216) 0) [2022-12-14 08:18:54,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:56,652 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 120) 0) [2022-12-14 08:18:56,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:18:58,687 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 168) 0) [2022-12-14 08:18:58,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:19:00,705 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 240) 0) [2022-12-14 08:19:00,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:19:02,775 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 288) 0) [2022-12-14 08:19:02,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:19:04,830 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 456) 0) [2022-12-14 08:19:04,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:19:06,881 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 72) 0) [2022-12-14 08:19:06,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:19:08,933 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 360) 0) [2022-12-14 08:19:08,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:19:11,010 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 336) 0) [2022-12-14 08:19:11,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:19:13,030 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 24) 0) [2022-12-14 08:19:13,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:19:15,081 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 384) 0) [2022-12-14 08:19:15,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:19:17,137 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 48) 0) [2022-12-14 08:19:17,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:19:19,188 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ |~#cas_prog_workaroundtab~0.offset| 264) 0) [2022-12-14 08:19:19,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:19:21,217 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ 1 |~#ethtool_cassini_statnames~0.offset|) 0) [2022-12-14 08:19:21,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:19:23,250 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ 2 |~#ethtool_cassini_statnames~0.offset|) 0) [2022-12-14 08:19:23,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:19:25,286 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ 3 |~#ethtool_cassini_statnames~0.offset|) 0) [2022-12-14 08:19:25,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:19:27,336 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ 4 |~#ethtool_cassini_statnames~0.offset|) 0) [2022-12-14 08:19:27,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:19:29,355 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ 5 |~#ethtool_cassini_statnames~0.offset|) 0) [2022-12-14 08:19:29,356 INFO L190 IndexEqualityManager]: detected not equals via solver