./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4320088d-b022-455d-943d-edd5bce4924d/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4320088d-b022-455d-943d-edd5bce4924d/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_4320088d-b022-455d-943d-edd5bce4924d/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4320088d-b022-455d-943d-edd5bce4924d/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4320088d-b022-455d-943d-edd5bce4924d/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_4320088d-b022-455d-943d-edd5bce4924d/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 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 --- 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 15:17:05,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:17:05,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:17:05,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:17:05,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:17:05,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:17:05,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:17:05,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:17:05,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:17:05,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:17:05,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:17:05,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:17:05,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:17:05,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:17:05,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:17:05,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:17:05,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:17:05,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:17:05,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:17:05,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:17:05,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:17:05,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:17:05,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:17:05,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:17:05,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:17:05,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:17:05,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:17:06,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:17:06,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:17:06,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:17:06,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:17:06,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:17:06,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:17:06,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:17:06,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:17:06,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:17:06,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:17:06,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:17:06,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:17:06,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:17:06,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:17:06,007 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4320088d-b022-455d-943d-edd5bce4924d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 15:17:06,020 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:17:06,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:17:06,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:17:06,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:17:06,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:17:06,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:17:06,021 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:17:06,021 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:17:06,021 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:17:06,022 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:17:06,022 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:17:06,022 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:17:06,022 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:17:06,022 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:17:06,022 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:17:06,022 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:17:06,023 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:17:06,023 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:17:06,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:17:06,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:17:06,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:17:06,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:17:06,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:17:06,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:17:06,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:17:06,024 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:17:06,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:17:06,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:17:06,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:17:06,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:17:06,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:17:06,025 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:17:06,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:17:06,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:17:06,025 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:17:06,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:17:06,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:17:06,026 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:17:06,026 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_4320088d-b022-455d-943d-edd5bce4924d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4320088d-b022-455d-943d-edd5bce4924d/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 [2022-12-14 15:17:06,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:17:06,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:17:06,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:17:06,229 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:17:06,230 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:17:06,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4320088d-b022-455d-943d-edd5bce4924d/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-12-14 15:17:08,872 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:17:09,277 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:17:09,277 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4320088d-b022-455d-943d-edd5bce4924d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-12-14 15:17:09,307 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4320088d-b022-455d-943d-edd5bce4924d/bin/utaipan-gh47qXpMRh/data/c121bd6b2/d43b31d91a4f4921bca13ddc4213ca40/FLAG7bce94abe [2022-12-14 15:17:09,322 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4320088d-b022-455d-943d-edd5bce4924d/bin/utaipan-gh47qXpMRh/data/c121bd6b2/d43b31d91a4f4921bca13ddc4213ca40 [2022-12-14 15:17:09,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:17:09,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:17:09,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:17:09,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:17:09,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:17:09,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:17:09" (1/1) ... [2022-12-14 15:17:09,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@648511d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:09, skipping insertion in model container [2022-12-14 15:17:09,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:17:09" (1/1) ... [2022-12-14 15:17:09,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:17:09,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:17:10,118 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 15:17:10,127 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 15:17:10,137 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 15:17:10,178 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 15:17:10,184 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 15:17:10,376 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 15:17:10,382 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 15:17:10,382 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 15:17:10,389 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 15:17:10,395 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 15:17:10,427 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 15:17:10,433 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:17:10,435 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 15:17:10,441 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 15:17:10,474 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 15:17:10,530 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:17:10,574 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 15:17:10,603 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 15:17:10,634 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 15:17:10,676 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_768 [2022-12-14 15:17:10,676 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_770 [2022-12-14 15:17:10,676 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_771 [2022-12-14 15:17:10,678 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_777 [2022-12-14 15:17:10,694 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:17:10,747 WARN L623 FunctionHandler]: Unknown extern function ieee80211_beacon_get_tim [2022-12-14 15:17:10,776 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 15:17:10,781 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 15:17:10,786 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:17:10,791 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 15:17:10,795 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 15:17:10,800 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:17:10,841 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 15:17:10,841 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:17:10,842 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 15:17:10,845 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-12-14 15:17:10,854 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-12-14 15:17:10,854 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queue [2022-12-14 15:17:10,868 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 15:17:10,868 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:17:10,870 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rts_duration [2022-12-14 15:17:10,875 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queue [2022-12-14 15:17:10,884 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:10,885 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:10,886 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:17:10,886 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:10,901 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:17:10,909 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 15:17:10,914 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:17:10,921 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 15:17:10,929 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:17:10,949 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_stopped [2022-12-14 15:17:10,951 WARN L623 FunctionHandler]: Unknown extern function usecs_to_jiffies [2022-12-14 15:17:10,957 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 15:17:10,957 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 15:17:10,957 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 15:17:10,975 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 15:17:10,999 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,014 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 15:17:11,015 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:11,015 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 15:17:11,016 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:11,018 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:11,018 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:11,019 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:11,019 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 15:17:11,019 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:11,020 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 15:17:11,020 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 15:17:11,021 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:11,021 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_995 [2022-12-14 15:17:11,022 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_996 [2022-12-14 15:17:11,024 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:11,025 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-12-14 15:17:11,025 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,026 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_read [2022-12-14 15:17:11,027 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:11,028 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:11,028 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_read [2022-12-14 15:17:11,028 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_multiread [2022-12-14 15:17:11,029 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_read [2022-12-14 15:17:11,029 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_multiread [2022-12-14 15:17:11,029 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:11,030 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_read [2022-12-14 15:17:11,031 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_read [2022-12-14 15:17:11,032 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:17:11,032 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-12-14 15:17:11,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:11,033 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:17:11,033 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 15:17:11,033 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 15:17:11,033 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 15:17:11,039 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-12-14 15:17:11,039 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 15:17:11,040 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 15:17:11,040 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 15:17:11,045 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 15:17:11,045 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 15:17:11,045 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 15:17:11,050 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 15:17:11,051 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 15:17:11,655 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 15:17:11,660 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 15:17:11,660 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 15:17:11,661 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 15:17:11,661 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 15:17:11,665 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 15:17:11,665 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 15:17:11,665 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 15:17:11,666 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 15:17:11,669 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 15:17:11,669 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 15:17:11,670 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 15:17:11,670 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 15:17:11,673 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 15:17:11,674 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 15:17:11,674 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 15:17:11,674 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 15:17:11,684 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 15:17:11,684 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 15:17:11,689 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 15:17:11,694 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 15:17:11,694 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 15:17:11,695 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 15:17:11,696 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 15:17:11,697 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw [2022-12-14 15:17:11,697 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-14 15:17:11,698 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-14 15:17:11,698 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 15:17:11,698 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 15:17:11,720 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,720 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,720 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,722 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,729 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,729 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,730 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,730 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,731 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,731 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,732 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,732 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,732 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,733 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,733 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,733 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,734 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,734 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,735 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:11,745 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,747 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,753 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,755 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,755 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,756 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,756 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,756 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,756 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,757 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,757 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,757 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,757 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,757 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,757 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,757 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,758 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,758 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,758 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,758 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,758 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,758 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,758 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,759 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,759 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,759 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,759 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,759 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,759 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,759 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,760 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,760 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,760 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,760 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,760 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,760 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,760 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,760 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,761 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,761 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,761 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,761 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,761 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,761 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,761 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,762 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,762 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,762 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,762 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,762 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,762 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,762 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,763 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,763 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,763 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,763 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,763 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,763 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,763 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,764 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,764 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,764 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,764 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,764 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,764 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,764 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,765 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,765 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,765 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,765 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,765 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,773 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,774 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,780 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,781 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,781 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,781 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,781 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,782 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,782 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,782 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,782 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,782 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,782 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,782 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,783 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,783 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,783 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,783 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,783 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,783 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,784 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,784 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,784 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,785 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,785 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,785 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,785 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,786 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,786 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,786 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,786 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,786 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,786 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,786 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,787 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,787 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,787 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,787 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,787 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,787 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,787 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,788 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,788 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,788 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,788 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,788 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,788 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,789 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,789 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,789 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,789 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,789 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,789 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,789 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,789 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,790 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,790 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,803 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,804 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,804 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,804 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,804 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,804 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,804 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,805 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,805 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,805 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,805 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,805 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,805 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,805 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,806 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,806 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,806 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,806 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,806 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,806 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,807 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,807 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,807 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,807 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,807 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,807 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,808 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,808 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,808 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,808 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,808 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,808 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,809 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,809 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,809 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,809 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,816 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,822 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 15:17:11,822 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,829 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,837 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,853 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 15:17:11,873 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,890 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 15:17:11,909 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:11,926 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 15:17:11,995 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 15:17:11,996 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 15:17:12,005 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:17:12,606 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_4320088d-b022-455d-943d-edd5bce4924d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2022-12-14 15:17:12,610 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_4320088d-b022-455d-943d-edd5bce4924d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2022-12-14 15:17:12,610 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_4320088d-b022-455d-943d-edd5bce4924d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2022-12-14 15:17:12,611 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_4320088d-b022-455d-943d-edd5bce4924d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2022-12-14 15:17:12,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:17:12,678 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:17:12,761 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 15:17:12,761 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 15:17:12,761 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 15:17:12,762 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 15:17:12,762 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 15:17:12,767 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 15:17:12,767 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 15:17:12,768 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 15:17:12,769 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 15:17:12,769 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 15:17:12,772 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 15:17:12,772 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:17:12,773 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 15:17:12,773 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 15:17:12,775 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 15:17:12,778 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:17:12,783 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 15:17:12,784 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 15:17:12,786 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 15:17:12,788 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_768 [2022-12-14 15:17:12,788 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_770 [2022-12-14 15:17:12,788 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_771 [2022-12-14 15:17:12,789 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_777 [2022-12-14 15:17:12,790 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:17:12,793 WARN L623 FunctionHandler]: Unknown extern function ieee80211_beacon_get_tim [2022-12-14 15:17:12,793 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 15:17:12,794 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 15:17:12,794 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:17:12,794 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 15:17:12,794 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 15:17:12,795 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:17:12,801 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 15:17:12,801 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:17:12,802 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 15:17:12,804 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-12-14 15:17:12,807 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-12-14 15:17:12,807 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queue [2022-12-14 15:17:12,810 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 15:17:12,810 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:17:12,811 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rts_duration [2022-12-14 15:17:12,814 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queue [2022-12-14 15:17:12,816 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,817 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,817 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:17:12,817 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,822 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:17:12,823 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 15:17:12,824 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:17:12,826 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 15:17:12,828 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:17:12,845 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_stopped [2022-12-14 15:17:12,846 WARN L623 FunctionHandler]: Unknown extern function usecs_to_jiffies [2022-12-14 15:17:12,848 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 15:17:12,848 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 15:17:12,849 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 15:17:12,852 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 15:17:12,856 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,858 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 15:17:12,858 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:12,858 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 15:17:12,859 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:12,860 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:12,861 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:12,861 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:12,861 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 15:17:12,862 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:12,862 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 15:17:12,862 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 15:17:12,863 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:12,863 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_995 [2022-12-14 15:17:12,863 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_996 [2022-12-14 15:17:12,865 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:12,866 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-12-14 15:17:12,867 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,867 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_read [2022-12-14 15:17:12,868 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:12,869 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:12,869 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_read [2022-12-14 15:17:12,870 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_multiread [2022-12-14 15:17:12,870 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_read [2022-12-14 15:17:12,870 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_multiread [2022-12-14 15:17:12,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:12,871 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_read [2022-12-14 15:17:12,872 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_read [2022-12-14 15:17:12,873 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:17:12,873 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-12-14 15:17:12,873 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:12,873 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:17:12,874 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 15:17:12,874 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 15:17:12,874 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 15:17:12,875 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-12-14 15:17:12,875 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 15:17:12,876 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 15:17:12,876 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 15:17:12,876 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 15:17:12,877 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 15:17:12,877 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 15:17:12,877 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 15:17:12,877 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 15:17:12,888 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 15:17:12,892 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 15:17:12,892 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 15:17:12,892 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 15:17:12,893 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 15:17:12,895 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 15:17:12,895 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 15:17:12,895 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 15:17:12,895 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 15:17:12,897 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 15:17:12,897 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 15:17:12,898 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 15:17:12,898 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 15:17:12,900 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 15:17:12,900 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 15:17:12,900 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 15:17:12,900 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 15:17:12,906 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 15:17:12,906 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 15:17:12,909 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 15:17:12,912 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 15:17:12,912 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 15:17:12,913 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 15:17:12,914 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 15:17:12,914 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw [2022-12-14 15:17:12,914 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-14 15:17:12,914 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-14 15:17:12,915 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 15:17:12,915 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 15:17:12,916 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,916 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,916 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,917 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,918 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,918 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,919 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,919 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,919 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,920 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,920 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,920 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,920 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,921 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,921 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,921 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,921 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,922 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,922 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 15:17:12,925 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,926 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,926 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,927 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,927 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,928 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,928 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,928 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,928 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,928 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,928 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,928 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,929 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,929 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,929 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,929 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,929 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,929 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,929 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,929 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,929 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,929 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,929 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,930 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,930 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,930 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,930 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,930 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,930 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,930 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,930 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,930 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,930 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,931 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,931 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,931 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,931 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,931 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,931 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,931 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,931 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,931 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,931 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,931 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,932 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,932 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,932 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,932 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,932 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,932 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,932 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,932 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,932 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,932 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,932 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,933 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,933 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,933 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,933 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,933 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,945 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,945 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,946 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,946 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,946 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,946 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,946 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,947 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,947 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,947 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,947 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,950 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,950 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,951 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,952 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,952 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,952 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,952 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,953 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,953 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,953 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,953 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,953 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,953 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,953 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,953 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,953 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,953 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,953 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,954 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,954 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,954 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,954 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,954 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,955 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,955 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,955 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,955 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,955 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,955 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,956 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,956 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,956 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,956 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,956 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,956 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,957 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,957 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,957 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,957 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,957 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,957 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,957 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,957 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,958 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,958 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,958 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,958 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,958 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,958 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,958 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,958 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,958 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,958 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,958 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,959 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,959 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,959 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,959 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,959 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,959 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,959 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,959 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,959 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,959 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,960 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,960 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,960 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,960 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,960 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,960 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,960 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,960 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,960 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,960 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,960 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,961 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,961 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,961 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,961 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,961 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,961 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,961 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,961 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,961 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,961 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,962 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,962 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,962 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,962 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,962 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,962 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,962 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,962 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,963 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,963 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 15:17:12,964 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,965 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,967 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,968 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 15:17:12,972 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,973 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 15:17:12,975 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:17:12,976 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 15:17:12,980 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 15:17:12,980 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 15:17:12,980 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:17:12,993 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_4320088d-b022-455d-943d-edd5bce4924d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2022-12-14 15:17:12,993 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_4320088d-b022-455d-943d-edd5bce4924d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2022-12-14 15:17:12,994 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_4320088d-b022-455d-943d-edd5bce4924d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2022-12-14 15:17:12,994 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_4320088d-b022-455d-943d-edd5bce4924d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2022-12-14 15:17:13,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:17:13,110 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:17:13,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:13 WrapperNode [2022-12-14 15:17:13,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:17:13,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:17:13,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:17:13,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:17:13,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:13" (1/1) ... [2022-12-14 15:17:13,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:13" (1/1) ... [2022-12-14 15:17:13,299 INFO L138 Inliner]: procedures = 522, calls = 3821, calls flagged for inlining = 276, calls inlined = 260, statements flattened = 6768 [2022-12-14 15:17:13,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:17:13,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:17:13,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:17:13,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:17:13,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:13" (1/1) ... [2022-12-14 15:17:13,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:13" (1/1) ... [2022-12-14 15:17:13,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:13" (1/1) ... [2022-12-14 15:17:13,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:13" (1/1) ... [2022-12-14 15:17:13,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:13" (1/1) ... [2022-12-14 15:17:13,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:13" (1/1) ... [2022-12-14 15:17:13,494 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:13" (1/1) ... [2022-12-14 15:17:13,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:13" (1/1) ... [2022-12-14 15:17:13,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:17:13,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:17:13,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:17:13,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:17:13,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:13" (1/1) ... [2022-12-14 15:17:13,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:17:13,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4320088d-b022-455d-943d-edd5bce4924d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:17:13,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4320088d-b022-455d-943d-edd5bce4924d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:17:13,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4320088d-b022-455d-943d-edd5bce4924d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:17:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-12-14 15:17:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-12-14 15:17:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-12-14 15:17:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-12-14 15:17:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-12-14 15:17:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-12-14 15:17:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-12-14 15:17:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-12-14 15:17:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 15:17:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 15:17:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 15:17:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 15:17:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 15:17:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 15:17:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-12-14 15:17:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-12-14 15:17:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-12-14 15:17:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-12-14 15:17:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 15:17:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 15:17:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 15:17:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 15:17:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 15:17:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 15:17:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 15:17:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 15:17:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-12-14 15:17:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-12-14 15:17:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-12-14 15:17:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-12-14 15:17:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-12-14 15:17:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-12-14 15:17:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 15:17:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 15:17:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-12-14 15:17:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-12-14 15:17:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-12-14 15:17:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-12-14 15:17:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-12-14 15:17:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-12-14 15:17:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 15:17:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 15:17:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-14 15:17:13,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-14 15:17:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-12-14 15:17:13,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-12-14 15:17:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:17:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-12-14 15:17:13,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-12-14 15:17:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-12-14 15:17:13,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-12-14 15:17:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-12-14 15:17:13,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-12-14 15:17:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 15:17:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-12-14 15:17:13,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-12-14 15:17:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2022-12-14 15:17:13,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2022-12-14 15:17:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 15:17:13,635 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 15:17:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 15:17:13,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 15:17:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-12-14 15:17:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-12-14 15:17:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 15:17:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 15:17:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 15:17:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-12-14 15:17:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-12-14 15:17:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:17:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 15:17:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 15:17:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-12-14 15:17:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-12-14 15:17:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 15:17:13,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 15:17:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 15:17:13,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 15:17:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 15:17:13,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 15:17:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 15:17:13,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 15:17:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-12-14 15:17:13,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-12-14 15:17:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-12-14 15:17:13,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-12-14 15:17:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-12-14 15:17:13,638 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-12-14 15:17:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 15:17:13,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 15:17:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 15:17:13,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 15:17:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-12-14 15:17:13,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-12-14 15:17:13,638 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-12-14 15:17:13,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-12-14 15:17:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-12-14 15:17:13,639 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-12-14 15:17:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 15:17:13,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 15:17:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-12-14 15:17:13,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-12-14 15:17:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:17:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 15:17:13,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 15:17:13,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 15:17:13,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 15:17:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:17:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-12-14 15:17:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-12-14 15:17:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-12-14 15:17:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-12-14 15:17:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-12-14 15:17:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-12-14 15:17:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 15:17:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 15:17:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 15:17:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 15:17:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:17:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 15:17:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 15:17:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 15:17:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 15:17:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-12-14 15:17:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-12-14 15:17:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2022-12-14 15:17:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2022-12-14 15:17:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-12-14 15:17:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-12-14 15:17:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 15:17:13,642 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 15:17:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2022-12-14 15:17:13,642 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2022-12-14 15:17:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-12-14 15:17:13,642 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-12-14 15:17:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-12-14 15:17:13,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-12-14 15:17:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-12-14 15:17:13,642 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-12-14 15:17:13,642 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-12-14 15:17:13,643 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-12-14 15:17:13,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-12-14 15:17:13,643 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-12-14 15:17:13,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:17:13,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:17:13,643 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-14 15:17:13,643 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-14 15:17:13,643 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-12-14 15:17:13,643 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-12-14 15:17:13,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 15:17:13,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 15:17:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 15:17:13,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 15:17:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-12-14 15:17:13,644 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-12-14 15:17:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 15:17:13,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 15:17:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-12-14 15:17:13,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-12-14 15:17:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-12-14 15:17:13,644 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-12-14 15:17:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-12-14 15:17:13,645 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-12-14 15:17:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-12-14 15:17:13,645 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-12-14 15:17:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-12-14 15:17:13,645 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-12-14 15:17:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 15:17:13,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 15:17:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-14 15:17:13,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-14 15:17:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-12-14 15:17:13,645 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-12-14 15:17:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 15:17:13,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 15:17:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-14 15:17:13,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-14 15:17:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-12-14 15:17:13,646 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-12-14 15:17:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:17:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-12-14 15:17:13,646 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-12-14 15:17:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:17:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 15:17:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-12-14 15:17:13,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-12-14 15:17:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 15:17:13,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 15:17:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-12-14 15:17:13,647 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-12-14 15:17:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-12-14 15:17:13,647 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-12-14 15:17:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-12-14 15:17:13,647 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-12-14 15:17:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2022-12-14 15:17:13,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2022-12-14 15:17:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-12-14 15:17:13,648 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-12-14 15:17:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-12-14 15:17:13,648 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-12-14 15:17:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-12-14 15:17:13,648 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-12-14 15:17:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:17:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-12-14 15:17:13,648 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-12-14 15:17:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-12-14 15:17:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-12-14 15:17:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 15:17:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 15:17:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-12-14 15:17:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-12-14 15:17:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-12-14 15:17:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-12-14 15:17:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-12-14 15:17:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-12-14 15:17:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-12-14 15:17:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-12-14 15:17:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-12-14 15:17:13,650 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-12-14 15:17:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 15:17:13,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 15:17:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-12-14 15:17:13,650 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-12-14 15:17:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-12-14 15:17:13,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-12-14 15:17:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-12-14 15:17:13,650 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-12-14 15:17:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-12-14 15:17:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-12-14 15:17:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-12-14 15:17:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:17:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 15:17:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 15:17:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-12-14 15:17:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-12-14 15:17:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 15:17:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 15:17:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-12-14 15:17:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-12-14 15:17:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-12-14 15:17:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-12-14 15:17:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-12-14 15:17:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-12-14 15:17:14,389 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:17:14,393 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:17:14,658 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 15:17:22,542 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 15:17:22,681 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:17:24,029 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:17:24,030 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 15:17:24,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:17:24 BoogieIcfgContainer [2022-12-14 15:17:24,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:17:24,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:17:24,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:17:24,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:17:24,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:17:09" (1/3) ... [2022-12-14 15:17:24,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150b48e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:17:24, skipping insertion in model container [2022-12-14 15:17:24,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:13" (2/3) ... [2022-12-14 15:17:24,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150b48e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:17:24, skipping insertion in model container [2022-12-14 15:17:24,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:17:24" (3/3) ... [2022-12-14 15:17:24,045 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-12-14 15:17:24,064 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:17:24,065 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 15:17:24,146 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:17:24,152 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;@9514360, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:17:24,152 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 15:17:24,165 INFO L276 IsEmpty]: Start isEmpty. Operand has 2498 states, 1174 states have (on average 1.2589437819420783) internal successors, (1478), 1212 states have internal predecessors, (1478), 1209 states have call successors, (1209), 113 states have call predecessors, (1209), 112 states have return successors, (1201), 1184 states have call predecessors, (1201), 1201 states have call successors, (1201) [2022-12-14 15:17:24,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2022-12-14 15:17:24,191 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:17:24,192 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:24,192 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 15:17:24,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:17:24,197 INFO L85 PathProgramCache]: Analyzing trace with hash 337875873, now seen corresponding path program 1 times [2022-12-14 15:17:24,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:17:24,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867819309] [2022-12-14 15:17:24,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:17:24,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:17:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:17:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2022-12-14 15:17:25,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:17:25,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867819309] [2022-12-14 15:17:25,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867819309] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:17:25,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:17:25,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:17:25,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883392801] [2022-12-14 15:17:25,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:17:25,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:17:25,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:17:25,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:17:25,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:17:25,145 INFO L87 Difference]: Start difference. First operand has 2498 states, 1174 states have (on average 1.2589437819420783) internal successors, (1478), 1212 states have internal predecessors, (1478), 1209 states have call successors, (1209), 113 states have call predecessors, (1209), 112 states have return successors, (1201), 1184 states have call predecessors, (1201), 1201 states have call successors, (1201) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-12-14 15:17:29,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:17:30,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:17:30,516 INFO L93 Difference]: Finished difference Result 7268 states and 11407 transitions. [2022-12-14 15:17:30,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:17:30,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 381 [2022-12-14 15:17:30,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:17:30,567 INFO L225 Difference]: With dead ends: 7268 [2022-12-14 15:17:30,567 INFO L226 Difference]: Without dead ends: 4829 [2022-12-14 15:17:30,588 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 15:17:30,590 INFO L413 NwaCegarLoop]: 4677 mSDtfsCounter, 3680 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3685 SdHoareTripleChecker+Valid, 8184 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:17:30,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3685 Valid, 8184 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 696 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-12-14 15:17:30,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4829 states. [2022-12-14 15:17:30,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4829 to 4824. [2022-12-14 15:17:30,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4824 states, 2270 states have (on average 1.2559471365638766) internal successors, (2851), 2342 states have internal predecessors, (2851), 2331 states have call successors, (2331), 221 states have call predecessors, (2331), 220 states have return successors, (2332), 2292 states have call predecessors, (2332), 2327 states have call successors, (2332) [2022-12-14 15:17:30,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4824 states to 4824 states and 7514 transitions. [2022-12-14 15:17:30,950 INFO L78 Accepts]: Start accepts. Automaton has 4824 states and 7514 transitions. Word has length 381 [2022-12-14 15:17:30,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:17:30,952 INFO L495 AbstractCegarLoop]: Abstraction has 4824 states and 7514 transitions. [2022-12-14 15:17:30,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-12-14 15:17:30,952 INFO L276 IsEmpty]: Start isEmpty. Operand 4824 states and 7514 transitions. [2022-12-14 15:17:30,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-12-14 15:17:30,959 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:17:30,960 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:30,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:17:30,960 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:17:30,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:17:30,961 INFO L85 PathProgramCache]: Analyzing trace with hash 55971629, now seen corresponding path program 1 times [2022-12-14 15:17:30,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:17:30,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69762964] [2022-12-14 15:17:30,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:17:30,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:17:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:17:31,482 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2022-12-14 15:17:31,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:17:31,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69762964] [2022-12-14 15:17:31,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69762964] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:17:31,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:17:31,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:17:31,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223206252] [2022-12-14 15:17:31,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:17:31,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:17:31,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:17:31,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:17:31,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:17:31,486 INFO L87 Difference]: Start difference. First operand 4824 states and 7514 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-12-14 15:17:33,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:17:36,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:17:38,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:17:38,279 INFO L93 Difference]: Finished difference Result 14102 states and 22043 transitions. [2022-12-14 15:17:38,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:17:38,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 383 [2022-12-14 15:17:38,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:17:38,358 INFO L225 Difference]: With dead ends: 14102 [2022-12-14 15:17:38,358 INFO L226 Difference]: Without dead ends: 9351 [2022-12-14 15:17:38,397 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 15:17:38,398 INFO L413 NwaCegarLoop]: 4676 mSDtfsCounter, 3590 mSDsluCounter, 3510 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3595 SdHoareTripleChecker+Valid, 8186 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:17:38,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3595 Valid, 8186 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 685 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-12-14 15:17:38,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9351 states. [2022-12-14 15:17:38,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9351 to 9323. [2022-12-14 15:17:38,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9323 states, 4361 states have (on average 1.2561339142398533) internal successors, (5478), 4500 states have internal predecessors, (5478), 4530 states have call successors, (4530), 432 states have call predecessors, (4530), 429 states have return successors, (4587), 4446 states have call predecessors, (4587), 4526 states have call successors, (4587) [2022-12-14 15:17:39,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9323 states to 9323 states and 14595 transitions. [2022-12-14 15:17:39,019 INFO L78 Accepts]: Start accepts. Automaton has 9323 states and 14595 transitions. Word has length 383 [2022-12-14 15:17:39,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:17:39,020 INFO L495 AbstractCegarLoop]: Abstraction has 9323 states and 14595 transitions. [2022-12-14 15:17:39,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-12-14 15:17:39,020 INFO L276 IsEmpty]: Start isEmpty. Operand 9323 states and 14595 transitions. [2022-12-14 15:17:39,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-12-14 15:17:39,029 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:17:39,029 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:17:39,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:17:39,030 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 15:17:39,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:17:39,030 INFO L85 PathProgramCache]: Analyzing trace with hash 339883315, now seen corresponding path program 1 times [2022-12-14 15:17:39,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:17:39,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552068243] [2022-12-14 15:17:39,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:17:39,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:17:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:17:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 5367 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2022-12-14 15:17:39,762 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:17:39,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552068243] [2022-12-14 15:17:39,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552068243] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:17:39,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:17:39,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:17:39,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787432151] [2022-12-14 15:17:39,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:17:39,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:17:39,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:17:39,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:17:39,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:17:39,765 INFO L87 Difference]: Start difference. First operand 9323 states and 14595 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-12-14 15:17:41,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:17:45,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:17:47,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:17:49,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:17:50,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:17:50,072 INFO L93 Difference]: Finished difference Result 9361 states and 14632 transitions. [2022-12-14 15:17:50,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:17:50,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 423 [2022-12-14 15:17:50,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:17:50,115 INFO L225 Difference]: With dead ends: 9361 [2022-12-14 15:17:50,116 INFO L226 Difference]: Without dead ends: 9359 [2022-12-14 15:17:50,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:17:50,123 INFO L413 NwaCegarLoop]: 3516 mSDtfsCounter, 3745 mSDsluCounter, 7032 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3760 SdHoareTripleChecker+Valid, 10548 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:17:50,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3760 Valid, 10548 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1043 Invalid, 3 Unknown, 0 Unchecked, 10.0s Time] [2022-12-14 15:17:50,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9359 states. [2022-12-14 15:17:50,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9359 to 9351. [2022-12-14 15:17:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9351 states, 4376 states have (on average 1.2552559414990858) internal successors, (5493), 4515 states have internal predecessors, (5493), 4530 states have call successors, (4530), 445 states have call predecessors, (4530), 442 states have return successors, (4587), 4446 states have call predecessors, (4587), 4526 states have call successors, (4587) [2022-12-14 15:17:50,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9351 states to 9351 states and 14610 transitions. [2022-12-14 15:17:50,684 INFO L78 Accepts]: Start accepts. Automaton has 9351 states and 14610 transitions. Word has length 423 [2022-12-14 15:17:50,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:17:50,684 INFO L495 AbstractCegarLoop]: Abstraction has 9351 states and 14610 transitions. [2022-12-14 15:17:50,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-12-14 15:17:50,685 INFO L276 IsEmpty]: Start isEmpty. Operand 9351 states and 14610 transitions. [2022-12-14 15:17:50,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-12-14 15:17:50,692 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:17:50,692 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:17:50,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 15:17:50,693 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 15:17:50,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:17:50,693 INFO L85 PathProgramCache]: Analyzing trace with hash 372267933, now seen corresponding path program 1 times [2022-12-14 15:17:50,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:17:50,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799863883] [2022-12-14 15:17:50,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:17:50,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:17:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:17:51,373 INFO L134 CoverageAnalysis]: Checked inductivity of 5376 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5374 trivial. 0 not checked. [2022-12-14 15:17:51,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:17:51,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799863883] [2022-12-14 15:17:51,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799863883] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:17:51,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:17:51,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:17:51,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656914562] [2022-12-14 15:17:51,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:17:51,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:17:51,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:17:51,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:17:51,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:17:51,376 INFO L87 Difference]: Start difference. First operand 9351 states and 14610 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-14 15:17:53,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:17:55,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:17:58,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:17:59,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:17:59,387 INFO L93 Difference]: Finished difference Result 9376 states and 14635 transitions. [2022-12-14 15:17:59,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:17:59,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 431 [2022-12-14 15:17:59,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:17:59,426 INFO L225 Difference]: With dead ends: 9376 [2022-12-14 15:17:59,427 INFO L226 Difference]: Without dead ends: 9374 [2022-12-14 15:17:59,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:17:59,434 INFO L413 NwaCegarLoop]: 3528 mSDtfsCounter, 3742 mSDsluCounter, 7055 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3757 SdHoareTripleChecker+Valid, 10583 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:17:59,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3757 Valid, 10583 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1044 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-12-14 15:17:59,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9374 states. [2022-12-14 15:17:59,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9374 to 9372. [2022-12-14 15:17:59,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9372 states, 4388 states have (on average 1.2547857793983592) internal successors, (5506), 4528 states have internal predecessors, (5506), 4532 states have call successors, (4532), 451 states have call predecessors, (4532), 449 states have return successors, (4594), 4448 states have call predecessors, (4594), 4528 states have call successors, (4594) [2022-12-14 15:17:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9372 states to 9372 states and 14632 transitions. [2022-12-14 15:17:59,999 INFO L78 Accepts]: Start accepts. Automaton has 9372 states and 14632 transitions. Word has length 431 [2022-12-14 15:18:00,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:18:00,000 INFO L495 AbstractCegarLoop]: Abstraction has 9372 states and 14632 transitions. [2022-12-14 15:18:00,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-14 15:18:00,000 INFO L276 IsEmpty]: Start isEmpty. Operand 9372 states and 14632 transitions. [2022-12-14 15:18:00,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-12-14 15:18:00,008 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:18:00,008 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:18:00,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 15:18:00,008 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 15:18:00,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:18:00,009 INFO L85 PathProgramCache]: Analyzing trace with hash -208594845, now seen corresponding path program 1 times [2022-12-14 15:18:00,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:18:00,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321111411] [2022-12-14 15:18:00,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:18:00,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:18:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:18:00,620 INFO L134 CoverageAnalysis]: Checked inductivity of 5383 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5379 trivial. 0 not checked. [2022-12-14 15:18:00,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:18:00,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321111411] [2022-12-14 15:18:00,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321111411] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:18:00,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:18:00,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:18:00,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710436262] [2022-12-14 15:18:00,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:18:00,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:18:00,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:18:00,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:18:00,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:18:00,623 INFO L87 Difference]: Start difference. First operand 9372 states and 14632 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-12-14 15:18:02,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:05,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:18:06,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:18:06,806 INFO L93 Difference]: Finished difference Result 9388 states and 14658 transitions. [2022-12-14 15:18:06,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:18:06,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 437 [2022-12-14 15:18:06,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:18:06,837 INFO L225 Difference]: With dead ends: 9388 [2022-12-14 15:18:06,837 INFO L226 Difference]: Without dead ends: 9386 [2022-12-14 15:18:06,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:18:06,841 INFO L413 NwaCegarLoop]: 3528 mSDtfsCounter, 3729 mSDsluCounter, 7068 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3747 SdHoareTripleChecker+Valid, 10596 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-14 15:18:06,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3747 Valid, 10596 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1050 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-12-14 15:18:06,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9386 states. [2022-12-14 15:18:07,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9386 to 9376. [2022-12-14 15:18:07,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9376 states, 4391 states have (on average 1.2546117057617854) internal successors, (5509), 4531 states have internal predecessors, (5509), 4532 states have call successors, (4532), 452 states have call predecessors, (4532), 450 states have return successors, (4594), 4448 states have call predecessors, (4594), 4528 states have call successors, (4594) [2022-12-14 15:18:07,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9376 states to 9376 states and 14635 transitions. [2022-12-14 15:18:07,431 INFO L78 Accepts]: Start accepts. Automaton has 9376 states and 14635 transitions. Word has length 437 [2022-12-14 15:18:07,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:18:07,432 INFO L495 AbstractCegarLoop]: Abstraction has 9376 states and 14635 transitions. [2022-12-14 15:18:07,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-12-14 15:18:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 9376 states and 14635 transitions. [2022-12-14 15:18:07,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2022-12-14 15:18:07,457 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:18:07,457 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 5, 5, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:18:07,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 15:18:07,458 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 15:18:07,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:18:07,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1752769315, now seen corresponding path program 1 times [2022-12-14 15:18:07,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:18:07,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5004403] [2022-12-14 15:18:07,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:18:07,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:18:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:18:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5392 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5386 trivial. 0 not checked. [2022-12-14 15:18:08,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:18:08,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5004403] [2022-12-14 15:18:08,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5004403] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:18:08,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:18:08,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:18:08,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336409097] [2022-12-14 15:18:08,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:18:08,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:18:08,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:18:08,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:18:08,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:18:08,030 INFO L87 Difference]: Start difference. First operand 9376 states and 14635 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-12-14 15:18:10,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:13,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:18:14,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:18:14,607 INFO L93 Difference]: Finished difference Result 9392 states and 14661 transitions. [2022-12-14 15:18:14,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:18:14,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 441 [2022-12-14 15:18:14,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:18:14,660 INFO L225 Difference]: With dead ends: 9392 [2022-12-14 15:18:14,660 INFO L226 Difference]: Without dead ends: 9390 [2022-12-14 15:18:14,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:18:14,669 INFO L413 NwaCegarLoop]: 3528 mSDtfsCounter, 3729 mSDsluCounter, 7068 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3746 SdHoareTripleChecker+Valid, 10596 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:18:14,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3746 Valid, 10596 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1050 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-12-14 15:18:14,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9390 states. [2022-12-14 15:18:15,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9390 to 9380. [2022-12-14 15:18:15,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9380 states, 4394 states have (on average 1.2544378698224852) internal successors, (5512), 4534 states have internal predecessors, (5512), 4532 states have call successors, (4532), 453 states have call predecessors, (4532), 451 states have return successors, (4594), 4448 states have call predecessors, (4594), 4528 states have call successors, (4594) [2022-12-14 15:18:15,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9380 states to 9380 states and 14638 transitions. [2022-12-14 15:18:15,340 INFO L78 Accepts]: Start accepts. Automaton has 9380 states and 14638 transitions. Word has length 441 [2022-12-14 15:18:15,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:18:15,341 INFO L495 AbstractCegarLoop]: Abstraction has 9380 states and 14638 transitions. [2022-12-14 15:18:15,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-12-14 15:18:15,341 INFO L276 IsEmpty]: Start isEmpty. Operand 9380 states and 14638 transitions. [2022-12-14 15:18:15,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2022-12-14 15:18:15,348 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:18:15,348 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:18:15,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 15:18:15,349 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 15:18:15,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:18:15,349 INFO L85 PathProgramCache]: Analyzing trace with hash -518651725, now seen corresponding path program 1 times [2022-12-14 15:18:15,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:18:15,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082966829] [2022-12-14 15:18:15,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:18:15,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:18:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:18:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 5399 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5391 trivial. 0 not checked. [2022-12-14 15:18:15,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:18:15,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082966829] [2022-12-14 15:18:15,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082966829] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:18:15,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:18:15,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:18:15,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794687735] [2022-12-14 15:18:15,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:18:15,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:18:15,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:18:15,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:18:15,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:18:15,887 INFO L87 Difference]: Start difference. First operand 9380 states and 14638 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-12-14 15:18:18,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:20,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:23,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:18:24,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:18:24,720 INFO L93 Difference]: Finished difference Result 9388 states and 14644 transitions. [2022-12-14 15:18:24,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:18:24,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 443 [2022-12-14 15:18:24,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:18:24,750 INFO L225 Difference]: With dead ends: 9388 [2022-12-14 15:18:24,750 INFO L226 Difference]: Without dead ends: 9386 [2022-12-14 15:18:24,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:18:24,754 INFO L413 NwaCegarLoop]: 3528 mSDtfsCounter, 3743 mSDsluCounter, 7055 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3755 SdHoareTripleChecker+Valid, 10583 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-12-14 15:18:24,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3755 Valid, 10583 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1045 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2022-12-14 15:18:24,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9386 states. [2022-12-14 15:18:25,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9386 to 9384. [2022-12-14 15:18:25,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9384 states, 4397 states have (on average 1.2542642710939276) internal successors, (5515), 4537 states have internal predecessors, (5515), 4532 states have call successors, (4532), 454 states have call predecessors, (4532), 452 states have return successors, (4594), 4448 states have call predecessors, (4594), 4528 states have call successors, (4594) [2022-12-14 15:18:25,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9384 states to 9384 states and 14641 transitions. [2022-12-14 15:18:25,357 INFO L78 Accepts]: Start accepts. Automaton has 9384 states and 14641 transitions. Word has length 443 [2022-12-14 15:18:25,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:18:25,357 INFO L495 AbstractCegarLoop]: Abstraction has 9384 states and 14641 transitions. [2022-12-14 15:18:25,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-12-14 15:18:25,358 INFO L276 IsEmpty]: Start isEmpty. Operand 9384 states and 14641 transitions. [2022-12-14 15:18:25,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2022-12-14 15:18:25,365 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:18:25,365 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:18:25,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 15:18:25,365 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 15:18:25,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:18:25,366 INFO L85 PathProgramCache]: Analyzing trace with hash 2131656221, now seen corresponding path program 1 times [2022-12-14 15:18:25,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:18:25,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856740939] [2022-12-14 15:18:25,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:18:25,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:18:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:18:25,983 INFO L134 CoverageAnalysis]: Checked inductivity of 5424 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5414 trivial. 0 not checked. [2022-12-14 15:18:25,983 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:18:25,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856740939] [2022-12-14 15:18:25,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856740939] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:18:25,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:18:25,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:18:25,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554760107] [2022-12-14 15:18:25,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:18:25,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:18:25,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:18:25,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:18:25,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:18:25,984 INFO L87 Difference]: Start difference. First operand 9384 states and 14641 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-12-14 15:18:28,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:31,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:18:32,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:18:32,707 INFO L93 Difference]: Finished difference Result 9392 states and 14647 transitions. [2022-12-14 15:18:32,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:18:32,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 451 [2022-12-14 15:18:32,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:18:32,737 INFO L225 Difference]: With dead ends: 9392 [2022-12-14 15:18:32,737 INFO L226 Difference]: Without dead ends: 9390 [2022-12-14 15:18:32,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:18:32,741 INFO L413 NwaCegarLoop]: 3528 mSDtfsCounter, 3742 mSDsluCounter, 7055 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3753 SdHoareTripleChecker+Valid, 10583 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:18:32,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3753 Valid, 10583 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1044 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-12-14 15:18:32,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9390 states. [2022-12-14 15:18:33,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9390 to 9388. [2022-12-14 15:18:33,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9388 states, 4400 states have (on average 1.2540909090909091) internal successors, (5518), 4540 states have internal predecessors, (5518), 4532 states have call successors, (4532), 455 states have call predecessors, (4532), 453 states have return successors, (4594), 4448 states have call predecessors, (4594), 4528 states have call successors, (4594) [2022-12-14 15:18:33,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9388 states to 9388 states and 14644 transitions. [2022-12-14 15:18:33,370 INFO L78 Accepts]: Start accepts. Automaton has 9388 states and 14644 transitions. Word has length 451 [2022-12-14 15:18:33,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:18:33,370 INFO L495 AbstractCegarLoop]: Abstraction has 9388 states and 14644 transitions. [2022-12-14 15:18:33,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-12-14 15:18:33,371 INFO L276 IsEmpty]: Start isEmpty. Operand 9388 states and 14644 transitions. [2022-12-14 15:18:33,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-12-14 15:18:33,378 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:18:33,378 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:18:33,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 15:18:33,379 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 15:18:33,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:18:33,379 INFO L85 PathProgramCache]: Analyzing trace with hash 783558259, now seen corresponding path program 1 times [2022-12-14 15:18:33,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:18:33,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778455088] [2022-12-14 15:18:33,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:18:33,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:18:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:18:33,907 INFO L134 CoverageAnalysis]: Checked inductivity of 5439 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5427 trivial. 0 not checked. [2022-12-14 15:18:33,907 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:18:33,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778455088] [2022-12-14 15:18:33,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778455088] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:18:33,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:18:33,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:18:33,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758127090] [2022-12-14 15:18:33,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:18:33,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:18:33,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:18:33,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:18:33,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:18:33,909 INFO L87 Difference]: Start difference. First operand 9388 states and 14644 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-12-14 15:18:38,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:18:39,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:18:39,771 INFO L93 Difference]: Finished difference Result 9572 states and 14819 transitions. [2022-12-14 15:18:39,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:18:39,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 453 [2022-12-14 15:18:39,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:18:39,804 INFO L225 Difference]: With dead ends: 9572 [2022-12-14 15:18:39,804 INFO L226 Difference]: Without dead ends: 9570 [2022-12-14 15:18:39,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:18:39,810 INFO L413 NwaCegarLoop]: 3535 mSDtfsCounter, 3615 mSDsluCounter, 7228 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3620 SdHoareTripleChecker+Valid, 10763 SdHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 15:18:39,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3620 Valid, 10763 Invalid, 1082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1079 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 15:18:39,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9570 states. [2022-12-14 15:18:40,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9570 to 9566. [2022-12-14 15:18:40,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9566 states, 4497 states have (on average 1.2508338892595063) internal successors, (5625), 4637 states have internal predecessors, (5625), 4563 states have call successors, (4563), 505 states have call predecessors, (4563), 503 states have return successors, (4625), 4479 states have call predecessors, (4625), 4559 states have call successors, (4625) [2022-12-14 15:18:40,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9566 states to 9566 states and 14813 transitions. [2022-12-14 15:18:40,484 INFO L78 Accepts]: Start accepts. Automaton has 9566 states and 14813 transitions. Word has length 453 [2022-12-14 15:18:40,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:18:40,485 INFO L495 AbstractCegarLoop]: Abstraction has 9566 states and 14813 transitions. [2022-12-14 15:18:40,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-12-14 15:18:40,485 INFO L276 IsEmpty]: Start isEmpty. Operand 9566 states and 14813 transitions. [2022-12-14 15:18:40,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2022-12-14 15:18:40,493 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:18:40,493 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 8, 7, 7, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:18:40,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 15:18:40,494 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 15:18:40,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:18:40,494 INFO L85 PathProgramCache]: Analyzing trace with hash 434061149, now seen corresponding path program 1 times [2022-12-14 15:18:40,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:18:40,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342664187] [2022-12-14 15:18:40,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:18:40,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:18:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:18:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 5472 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5458 trivial. 0 not checked. [2022-12-14 15:18:41,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:18:41,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342664187] [2022-12-14 15:18:41,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342664187] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:18:41,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:18:41,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:18:41,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929890024] [2022-12-14 15:18:41,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:18:41,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:18:41,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:18:41,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:18:41,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:18:41,045 INFO L87 Difference]: Start difference. First operand 9566 states and 14813 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 15:18:44,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:47,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:18:48,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:18:48,821 INFO L93 Difference]: Finished difference Result 9574 states and 14819 transitions. [2022-12-14 15:18:48,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:18:48,821 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 461 [2022-12-14 15:18:48,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:18:48,851 INFO L225 Difference]: With dead ends: 9574 [2022-12-14 15:18:48,851 INFO L226 Difference]: Without dead ends: 9572 [2022-12-14 15:18:48,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:18:48,856 INFO L413 NwaCegarLoop]: 3529 mSDtfsCounter, 3741 mSDsluCounter, 7057 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3750 SdHoareTripleChecker+Valid, 10586 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:18:48,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3750 Valid, 10586 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1044 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2022-12-14 15:18:48,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9572 states. [2022-12-14 15:18:49,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9572 to 9570. [2022-12-14 15:18:49,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9570 states, 4500 states have (on average 1.2506666666666666) internal successors, (5628), 4640 states have internal predecessors, (5628), 4563 states have call successors, (4563), 506 states have call predecessors, (4563), 504 states have return successors, (4625), 4479 states have call predecessors, (4625), 4559 states have call successors, (4625) [2022-12-14 15:18:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9570 states to 9570 states and 14816 transitions. [2022-12-14 15:18:49,568 INFO L78 Accepts]: Start accepts. Automaton has 9570 states and 14816 transitions. Word has length 461 [2022-12-14 15:18:49,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:18:49,569 INFO L495 AbstractCegarLoop]: Abstraction has 9570 states and 14816 transitions. [2022-12-14 15:18:49,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 15:18:49,569 INFO L276 IsEmpty]: Start isEmpty. Operand 9570 states and 14816 transitions. [2022-12-14 15:18:49,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-12-14 15:18:49,577 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:18:49,577 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:18:49,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 15:18:49,577 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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 15:18:49,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:18:49,578 INFO L85 PathProgramCache]: Analyzing trace with hash -541837502, now seen corresponding path program 1 times [2022-12-14 15:18:49,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:18:49,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291870548] [2022-12-14 15:18:49,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:18:49,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:18:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:18:49,971 INFO L134 CoverageAnalysis]: Checked inductivity of 5138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5138 trivial. 0 not checked. [2022-12-14 15:18:49,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:18:49,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291870548] [2022-12-14 15:18:49,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291870548] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:18:49,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:18:49,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:18:49,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516927679] [2022-12-14 15:18:49,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:18:49,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:18:49,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:18:49,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:18:49,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:18:49,972 INFO L87 Difference]: Start difference. First operand 9570 states and 14816 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-12-14 15:18:53,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:18:56,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:57,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:18:57,918 INFO L93 Difference]: Finished difference Result 28273 states and 43889 transitions. [2022-12-14 15:18:57,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:18:57,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 462 [2022-12-14 15:18:57,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:18:57,987 INFO L225 Difference]: With dead ends: 28273 [2022-12-14 15:18:57,988 INFO L226 Difference]: Without dead ends: 18776 [2022-12-14 15:18:58,049 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 15:18:58,050 INFO L413 NwaCegarLoop]: 4679 mSDtfsCounter, 3618 mSDsluCounter, 3472 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3622 SdHoareTripleChecker+Valid, 8151 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-12-14 15:18:58,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3622 Valid, 8151 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 744 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-12-14 15:18:58,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18776 states. [2022-12-14 15:18:59,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18776 to 18702. [2022-12-14 15:18:59,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18702 states, 8758 states have (on average 1.24594656314227) internal successors, (10912), 9036 states have internal predecessors, (10912), 8953 states have call successors, (8953), 992 states have call predecessors, (8953), 988 states have return successors, (9191), 8785 states have call predecessors, (9191), 8949 states have call successors, (9191) [2022-12-14 15:18:59,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18702 states to 18702 states and 29056 transitions. [2022-12-14 15:18:59,639 INFO L78 Accepts]: Start accepts. Automaton has 18702 states and 29056 transitions. Word has length 462 [2022-12-14 15:18:59,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:18:59,640 INFO L495 AbstractCegarLoop]: Abstraction has 18702 states and 29056 transitions. [2022-12-14 15:18:59,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-12-14 15:18:59,640 INFO L276 IsEmpty]: Start isEmpty. Operand 18702 states and 29056 transitions. [2022-12-14 15:18:59,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2022-12-14 15:18:59,648 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:18:59,648 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:18:59,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 15:18:59,648 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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 15:18:59,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:18:59,649 INFO L85 PathProgramCache]: Analyzing trace with hash 320574040, now seen corresponding path program 1 times [2022-12-14 15:18:59,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:18:59,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385796122] [2022-12-14 15:18:59,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:18:59,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:18:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:18:59,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5138 trivial. 0 not checked. [2022-12-14 15:18:59,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:18:59,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385796122] [2022-12-14 15:18:59,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385796122] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:18:59,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:18:59,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:18:59,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610018641] [2022-12-14 15:18:59,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:18:59,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:18:59,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:18:59,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:18:59,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:18:59,962 INFO L87 Difference]: Start difference. First operand 18702 states and 29056 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-12-14 15:19:01,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:04,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:19:06,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:09,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:19:09,990 INFO L93 Difference]: Finished difference Result 55417 states and 86267 transitions. [2022-12-14 15:19:09,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:19:09,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 461 [2022-12-14 15:19:09,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:19:10,161 INFO L225 Difference]: With dead ends: 55417 [2022-12-14 15:19:10,161 INFO L226 Difference]: Without dead ends: 36788 [2022-12-14 15:19:10,235 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 15:19:10,235 INFO L413 NwaCegarLoop]: 4679 mSDtfsCounter, 3619 mSDsluCounter, 3472 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3623 SdHoareTripleChecker+Valid, 8151 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:19:10,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3623 Valid, 8151 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 743 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2022-12-14 15:19:10,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36788 states. [2022-12-14 15:19:13,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36788 to 36702. [2022-12-14 15:19:13,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36702 states, 17122 states have (on average 1.2398084335942063) internal successors, (21228), 17676 states have internal predecessors, (21228), 17617 states have call successors, (17617), 1968 states have call predecessors, (17617), 1960 states have return successors, (18285), 17281 states have call predecessors, (18285), 17613 states have call successors, (18285) [2022-12-14 15:19:13,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36702 states to 36702 states and 57130 transitions. [2022-12-14 15:19:13,487 INFO L78 Accepts]: Start accepts. Automaton has 36702 states and 57130 transitions. Word has length 461 [2022-12-14 15:19:13,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:19:13,487 INFO L495 AbstractCegarLoop]: Abstraction has 36702 states and 57130 transitions. [2022-12-14 15:19:13,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-12-14 15:19:13,487 INFO L276 IsEmpty]: Start isEmpty. Operand 36702 states and 57130 transitions. [2022-12-14 15:19:13,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-12-14 15:19:13,495 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:19:13,496 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 9, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:19:13,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 15:19:13,496 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 15:19:13,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:19:13,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1788857395, now seen corresponding path program 1 times [2022-12-14 15:19:13,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:19:13,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356523517] [2022-12-14 15:19:13,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:19:13,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:19:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:19:14,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5495 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5479 trivial. 0 not checked. [2022-12-14 15:19:14,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:19:14,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356523517] [2022-12-14 15:19:14,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356523517] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:19:14,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:19:14,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:19:14,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854415511] [2022-12-14 15:19:14,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:19:14,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:19:14,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:19:14,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:19:14,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:19:14,017 INFO L87 Difference]: Start difference. First operand 36702 states and 57130 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-14 15:19:16,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:19,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:19:21,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:19:21,941 INFO L93 Difference]: Finished difference Result 36742 states and 57200 transitions. [2022-12-14 15:19:21,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:19:21,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 463 [2022-12-14 15:19:21,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:19:22,110 INFO L225 Difference]: With dead ends: 36742 [2022-12-14 15:19:22,110 INFO L226 Difference]: Without dead ends: 36740 [2022-12-14 15:19:22,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:19:22,136 INFO L413 NwaCegarLoop]: 3529 mSDtfsCounter, 3729 mSDsluCounter, 7070 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3741 SdHoareTripleChecker+Valid, 10599 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:19:22,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3741 Valid, 10599 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1047 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 15:19:22,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36740 states. [2022-12-14 15:19:25,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36740 to 36706. [2022-12-14 15:19:25,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36706 states, 17125 states have (on average 1.2397664233576642) internal successors, (21231), 17679 states have internal predecessors, (21231), 17617 states have call successors, (17617), 1969 states have call predecessors, (17617), 1961 states have return successors, (18285), 17281 states have call predecessors, (18285), 17613 states have call successors, (18285) [2022-12-14 15:19:25,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36706 states to 36706 states and 57133 transitions. [2022-12-14 15:19:25,330 INFO L78 Accepts]: Start accepts. Automaton has 36706 states and 57133 transitions. Word has length 463 [2022-12-14 15:19:25,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:19:25,330 INFO L495 AbstractCegarLoop]: Abstraction has 36706 states and 57133 transitions. [2022-12-14 15:19:25,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-14 15:19:25,331 INFO L276 IsEmpty]: Start isEmpty. Operand 36706 states and 57133 transitions. [2022-12-14 15:19:25,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2022-12-14 15:19:25,340 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:19:25,340 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:19:25,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 15:19:25,340 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 15:19:25,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:19:25,341 INFO L85 PathProgramCache]: Analyzing trace with hash -664715473, now seen corresponding path program 1 times [2022-12-14 15:19:25,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:19:25,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341089692] [2022-12-14 15:19:25,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:19:25,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:19:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:19:25,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5138 trivial. 0 not checked. [2022-12-14 15:19:25,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:19:25,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341089692] [2022-12-14 15:19:25,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341089692] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:19:25,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:19:25,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:19:25,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863591844] [2022-12-14 15:19:25,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:19:25,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:19:25,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:19:25,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:19:25,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:19:25,619 INFO L87 Difference]: Start difference. First operand 36706 states and 57133 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-12-14 15:19:29,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:19:36,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:19:36,117 INFO L93 Difference]: Finished difference Result 108893 states and 169766 transitions. [2022-12-14 15:19:36,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:19:36,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 464 [2022-12-14 15:19:36,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:19:36,436 INFO L225 Difference]: With dead ends: 108893 [2022-12-14 15:19:36,436 INFO L226 Difference]: Without dead ends: 72260 [2022-12-14 15:19:36,592 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 15:19:36,593 INFO L413 NwaCegarLoop]: 4679 mSDtfsCounter, 3616 mSDsluCounter, 3472 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3620 SdHoareTripleChecker+Valid, 8151 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 15:19:36,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3620 Valid, 8151 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 744 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 15:19:36,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72260 states. [2022-12-14 15:19:42,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72260 to 72114. [2022-12-14 15:19:42,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72114 states, 33501 states have (on average 1.2331273693322586) internal successors, (41311), 34607 states have internal predecessors, (41311), 34713 states have call successors, (34713), 3913 states have call predecessors, (34713), 3897 states have return successors, (36365), 34041 states have call predecessors, (36365), 34709 states have call successors, (36365) [2022-12-14 15:19:43,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72114 states to 72114 states and 112389 transitions. [2022-12-14 15:19:43,438 INFO L78 Accepts]: Start accepts. Automaton has 72114 states and 112389 transitions. Word has length 464 [2022-12-14 15:19:43,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:19:43,438 INFO L495 AbstractCegarLoop]: Abstraction has 72114 states and 112389 transitions. [2022-12-14 15:19:43,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-12-14 15:19:43,439 INFO L276 IsEmpty]: Start isEmpty. Operand 72114 states and 112389 transitions. [2022-12-14 15:19:43,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-12-14 15:19:43,446 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:19:43,446 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:19:43,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 15:19:43,446 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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 15:19:43,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:19:43,447 INFO L85 PathProgramCache]: Analyzing trace with hash 915567782, now seen corresponding path program 1 times [2022-12-14 15:19:43,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:19:43,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962768929] [2022-12-14 15:19:43,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:19:43,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:19:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:19:43,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5138 trivial. 0 not checked. [2022-12-14 15:19:43,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:19:43,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962768929] [2022-12-14 15:19:43,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962768929] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:19:43,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:19:43,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:19:43,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092488461] [2022-12-14 15:19:43,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:19:43,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:19:43,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:19:43,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:19:43,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:19:43,781 INFO L87 Difference]: Start difference. First operand 72114 states and 112389 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-12-14 15:19:46,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:19:48,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:20:00,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:20:00,239 INFO L93 Difference]: Finished difference Result 213493 states and 333174 transitions. [2022-12-14 15:20:00,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:20:00,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 463 [2022-12-14 15:20:00,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:20:01,132 INFO L225 Difference]: With dead ends: 213493 [2022-12-14 15:20:01,132 INFO L226 Difference]: Without dead ends: 141452 [2022-12-14 15:20:01,476 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 15:20:01,476 INFO L413 NwaCegarLoop]: 4681 mSDtfsCounter, 3619 mSDsluCounter, 3472 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3623 SdHoareTripleChecker+Valid, 8153 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:20:01,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3623 Valid, 8153 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 746 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-12-14 15:20:01,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141452 states. [2022-12-14 15:20:13,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141452 to 141274. [2022-12-14 15:20:14,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141274 states, 65349 states have (on average 1.2251602931949992) internal successors, (80063), 67523 states have internal predecessors, (80063), 68245 states have call successors, (68245), 7713 states have call predecessors, (68245), 7677 states have return successors, (71993), 66933 states have call predecessors, (71993), 68241 states have call successors, (71993) [2022-12-14 15:20:15,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141274 states to 141274 states and 220301 transitions. [2022-12-14 15:20:15,280 INFO L78 Accepts]: Start accepts. Automaton has 141274 states and 220301 transitions. Word has length 463 [2022-12-14 15:20:15,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:20:15,281 INFO L495 AbstractCegarLoop]: Abstraction has 141274 states and 220301 transitions. [2022-12-14 15:20:15,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-12-14 15:20:15,281 INFO L276 IsEmpty]: Start isEmpty. Operand 141274 states and 220301 transitions. [2022-12-14 15:20:15,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-12-14 15:20:15,290 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:20:15,291 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 10, 9, 9, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:20:15,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 15:20:15,291 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 15:20:15,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:20:15,292 INFO L85 PathProgramCache]: Analyzing trace with hash 923869341, now seen corresponding path program 1 times [2022-12-14 15:20:15,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:20:15,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134518824] [2022-12-14 15:20:15,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:20:15,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:20:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:20:15,934 INFO L134 CoverageAnalysis]: Checked inductivity of 5536 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 5518 trivial. 0 not checked. [2022-12-14 15:20:15,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:20:15,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134518824] [2022-12-14 15:20:15,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134518824] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:20:15,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:20:15,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:20:15,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771260440] [2022-12-14 15:20:15,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:20:15,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:20:15,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:20:15,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:20:15,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:20:15,936 INFO L87 Difference]: Start difference. First operand 141274 states and 220301 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-12-14 15:20:18,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:20:20,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:20:22,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:20:24,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:20:34,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:20:34,822 INFO L93 Difference]: Finished difference Result 141282 states and 220307 transitions. [2022-12-14 15:20:34,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:20:34,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 471 [2022-12-14 15:20:34,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:20:35,615 INFO L225 Difference]: With dead ends: 141282 [2022-12-14 15:20:35,616 INFO L226 Difference]: Without dead ends: 141280 [2022-12-14 15:20:35,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:20:35,692 INFO L413 NwaCegarLoop]: 3528 mSDtfsCounter, 3742 mSDsluCounter, 7055 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3749 SdHoareTripleChecker+Valid, 10583 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:20:35,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3749 Valid, 10583 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1044 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2022-12-14 15:20:35,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141280 states. [2022-12-14 15:20:48,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141280 to 141278. [2022-12-14 15:20:48,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141278 states, 65352 states have (on average 1.2251499571550986) internal successors, (80066), 67526 states have internal predecessors, (80066), 68245 states have call successors, (68245), 7714 states have call predecessors, (68245), 7678 states have return successors, (71993), 66933 states have call predecessors, (71993), 68241 states have call successors, (71993) [2022-12-14 15:20:50,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141278 states to 141278 states and 220304 transitions. [2022-12-14 15:20:50,020 INFO L78 Accepts]: Start accepts. Automaton has 141278 states and 220304 transitions. Word has length 471 [2022-12-14 15:20:50,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:20:50,021 INFO L495 AbstractCegarLoop]: Abstraction has 141278 states and 220304 transitions. [2022-12-14 15:20:50,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-12-14 15:20:50,021 INFO L276 IsEmpty]: Start isEmpty. Operand 141278 states and 220304 transitions. [2022-12-14 15:20:50,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-12-14 15:20:50,027 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:20:50,027 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 11, 10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:20:50,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 15:20:50,028 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 15:20:50,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:20:50,028 INFO L85 PathProgramCache]: Analyzing trace with hash 838398451, now seen corresponding path program 1 times [2022-12-14 15:20:50,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:20:50,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24616058] [2022-12-14 15:20:50,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:20:50,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:20:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:20:50,665 INFO L134 CoverageAnalysis]: Checked inductivity of 5567 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5547 trivial. 0 not checked. [2022-12-14 15:20:50,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:20:50,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24616058] [2022-12-14 15:20:50,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24616058] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:20:50,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:20:50,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:20:50,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670491130] [2022-12-14 15:20:50,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:20:50,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:20:50,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:20:50,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:20:50,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:20:50,668 INFO L87 Difference]: Start difference. First operand 141278 states and 220304 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-12-14 15:20:53,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:20:55,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:21:07,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:21:07,515 INFO L93 Difference]: Finished difference Result 141286 states and 220310 transitions. [2022-12-14 15:21:07,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:21:07,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 473 [2022-12-14 15:21:07,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:21:08,231 INFO L225 Difference]: With dead ends: 141286 [2022-12-14 15:21:08,232 INFO L226 Difference]: Without dead ends: 141282 [2022-12-14 15:21:08,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:21:08,305 INFO L413 NwaCegarLoop]: 3528 mSDtfsCounter, 3743 mSDsluCounter, 7055 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3749 SdHoareTripleChecker+Valid, 10583 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-14 15:21:08,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3749 Valid, 10583 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1045 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-12-14 15:21:08,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141282 states. [2022-12-14 15:21:22,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141282 to 141280. [2022-12-14 15:21:22,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141280 states, 65354 states have (on average 1.2251277657067663) internal successors, (80067), 67527 states have internal predecessors, (80067), 68245 states have call successors, (68245), 7715 states have call predecessors, (68245), 7678 states have return successors, (71993), 66933 states have call predecessors, (71993), 68241 states have call successors, (71993) [2022-12-14 15:21:23,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141280 states to 141280 states and 220305 transitions. [2022-12-14 15:21:23,505 INFO L78 Accepts]: Start accepts. Automaton has 141280 states and 220305 transitions. Word has length 473 [2022-12-14 15:21:23,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:21:23,505 INFO L495 AbstractCegarLoop]: Abstraction has 141280 states and 220305 transitions. [2022-12-14 15:21:23,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-12-14 15:21:23,506 INFO L276 IsEmpty]: Start isEmpty. Operand 141280 states and 220305 transitions. [2022-12-14 15:21:23,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2022-12-14 15:21:23,512 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:21:23,512 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 12, 11, 11, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:21:23,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 15:21:23,512 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 15:21:23,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:21:23,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1800907869, now seen corresponding path program 1 times [2022-12-14 15:21:23,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:21:23,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317140964] [2022-12-14 15:21:23,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:21:23,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:21:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:21:23,980 INFO L134 CoverageAnalysis]: Checked inductivity of 5609 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 5587 trivial. 0 not checked. [2022-12-14 15:21:23,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:21:23,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317140964] [2022-12-14 15:21:23,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317140964] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:21:23,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:21:23,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:21:23,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267017375] [2022-12-14 15:21:23,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:21:23,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:21:23,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:21:23,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:21:23,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:21:23,983 INFO L87 Difference]: Start difference. First operand 141280 states and 220305 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-12-14 15:21:26,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:21:29,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:21:32,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:21:44,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:21:44,530 INFO L93 Difference]: Finished difference Result 141282 states and 220306 transitions. [2022-12-14 15:21:44,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:21:44,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 478 [2022-12-14 15:21:44,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:21:45,256 INFO L225 Difference]: With dead ends: 141282 [2022-12-14 15:21:45,256 INFO L226 Difference]: Without dead ends: 140931 [2022-12-14 15:21:45,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:21:45,335 INFO L413 NwaCegarLoop]: 3526 mSDtfsCounter, 3739 mSDsluCounter, 7054 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3744 SdHoareTripleChecker+Valid, 10580 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:21:45,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3744 Valid, 10580 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1040 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2022-12-14 15:21:45,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140931 states. [2022-12-14 15:21:59,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140931 to 140929. [2022-12-14 15:22:00,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140929 states, 65254 states have (on average 1.2240015937720292) internal successors, (79871), 67331 states have internal predecessors, (79871), 68038 states have call successors, (68038), 7670 states have call predecessors, (68038), 7635 states have return successors, (71790), 66823 states have call predecessors, (71790), 68038 states have call successors, (71790) [2022-12-14 15:22:01,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140929 states to 140929 states and 219699 transitions. [2022-12-14 15:22:01,139 INFO L78 Accepts]: Start accepts. Automaton has 140929 states and 219699 transitions. Word has length 478 [2022-12-14 15:22:01,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:22:01,139 INFO L495 AbstractCegarLoop]: Abstraction has 140929 states and 219699 transitions. [2022-12-14 15:22:01,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-12-14 15:22:01,140 INFO L276 IsEmpty]: Start isEmpty. Operand 140929 states and 219699 transitions. [2022-12-14 15:22:01,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-12-14 15:22:01,146 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:22:01,146 INFO L195 NwaCegarLoop]: trace histogram [38, 37, 37, 37, 37, 37, 37, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:22:01,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 15:22:01,146 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 15:22:01,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:22:01,147 INFO L85 PathProgramCache]: Analyzing trace with hash 2031767877, now seen corresponding path program 1 times [2022-12-14 15:22:01,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:22:01,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551907563] [2022-12-14 15:22:01,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:22:01,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:22:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:22:01,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5430 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5430 trivial. 0 not checked. [2022-12-14 15:22:01,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:22:01,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551907563] [2022-12-14 15:22:01,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551907563] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:22:01,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:22:01,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:22:01,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577055617] [2022-12-14 15:22:01,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:22:01,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:22:01,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:22:01,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:22:01,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:22:01,826 INFO L87 Difference]: Start difference. First operand 140929 states and 219699 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-12-14 15:22:04,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:22:06,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:22:08,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:22:12,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:22:24,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:22:24,997 INFO L93 Difference]: Finished difference Result 272865 states and 425128 transitions. [2022-12-14 15:22:24,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:22:24,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 485 [2022-12-14 15:22:24,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:22:25,706 INFO L225 Difference]: With dead ends: 272865 [2022-12-14 15:22:25,706 INFO L226 Difference]: Without dead ends: 132009 [2022-12-14 15:22:26,347 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 15:22:26,348 INFO L413 NwaCegarLoop]: 6351 mSDtfsCounter, 3309 mSDsluCounter, 3441 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 15 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3318 SdHoareTripleChecker+Valid, 9792 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:22:26,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3318 Valid, 9792 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 966 Invalid, 3 Unknown, 0 Unchecked, 10.2s Time] [2022-12-14 15:22:26,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132009 states. [2022-12-14 15:22:39,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132009 to 131938. [2022-12-14 15:22:39,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131938 states, 60571 states have (on average 1.2150699179475326) internal successors, (73598), 62608 states have internal predecessors, (73598), 63982 states have call successors, (63982), 7406 states have call predecessors, (63982), 7383 states have return successors, (67394), 62771 states have call predecessors, (67394), 63982 states have call successors, (67394) [2022-12-14 15:22:40,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131938 states to 131938 states and 204974 transitions. [2022-12-14 15:22:40,946 INFO L78 Accepts]: Start accepts. Automaton has 131938 states and 204974 transitions. Word has length 485 [2022-12-14 15:22:40,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:22:40,946 INFO L495 AbstractCegarLoop]: Abstraction has 131938 states and 204974 transitions. [2022-12-14 15:22:40,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-12-14 15:22:40,947 INFO L276 IsEmpty]: Start isEmpty. Operand 131938 states and 204974 transitions. [2022-12-14 15:22:40,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2022-12-14 15:22:40,952 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:22:40,952 INFO L195 NwaCegarLoop]: trace histogram [41, 37, 37, 37, 37, 37, 37, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:22:40,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 15:22:40,952 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:22:40,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:22:40,953 INFO L85 PathProgramCache]: Analyzing trace with hash 352212351, now seen corresponding path program 1 times [2022-12-14 15:22:40,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:22:40,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277068447] [2022-12-14 15:22:40,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:22:40,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:22:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:22:41,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5685 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5682 trivial. 0 not checked. [2022-12-14 15:22:41,470 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:22:41,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277068447] [2022-12-14 15:22:41,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277068447] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:22:41,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:22:41,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:22:41,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000251656] [2022-12-14 15:22:41,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:22:41,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:22:41,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:22:41,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:22:41,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:22:41,471 INFO L87 Difference]: Start difference. First operand 131938 states and 204974 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (67), 2 states have call predecessors, (67), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2022-12-14 15:22:43,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:22:45,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:22:48,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:23:09,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:23:09,559 INFO L93 Difference]: Finished difference Result 324387 states and 504317 transitions. [2022-12-14 15:23:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:23:09,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (67), 2 states have call predecessors, (67), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) Word has length 532 [2022-12-14 15:23:09,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:23:10,749 INFO L225 Difference]: With dead ends: 324387 [2022-12-14 15:23:10,750 INFO L226 Difference]: Without dead ends: 192633 [2022-12-14 15:23:11,429 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 15:23:11,429 INFO L413 NwaCegarLoop]: 6490 mSDtfsCounter, 3310 mSDsluCounter, 3433 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3319 SdHoareTripleChecker+Valid, 9923 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:23:11,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3319 Valid, 9923 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 987 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2022-12-14 15:23:11,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192633 states. [2022-12-14 15:23:31,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192633 to 192562. [2022-12-14 15:23:31,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192562 states, 87992 states have (on average 1.2119965451404673) internal successors, (106646), 91027 states have internal predecessors, (106646), 93717 states have call successors, (93717), 10880 states have call predecessors, (93717), 10851 states have return successors, (98665), 91902 states have call predecessors, (98665), 93717 states have call successors, (98665) [2022-12-14 15:23:33,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192562 states to 192562 states and 299028 transitions. [2022-12-14 15:23:33,446 INFO L78 Accepts]: Start accepts. Automaton has 192562 states and 299028 transitions. Word has length 532 [2022-12-14 15:23:33,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:23:33,447 INFO L495 AbstractCegarLoop]: Abstraction has 192562 states and 299028 transitions. [2022-12-14 15:23:33,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (67), 2 states have call predecessors, (67), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2022-12-14 15:23:33,447 INFO L276 IsEmpty]: Start isEmpty. Operand 192562 states and 299028 transitions. [2022-12-14 15:23:33,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-12-14 15:23:33,574 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:23:33,574 INFO L195 NwaCegarLoop]: trace histogram [43, 37, 37, 37, 37, 37, 37, 8, 8, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:23:33,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 15:23:33,575 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:23:33,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:23:33,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1992704582, now seen corresponding path program 1 times [2022-12-14 15:23:33,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:23:33,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063941036] [2022-12-14 15:23:33,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:23:33,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:23:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:23:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 5941 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 5869 trivial. 0 not checked. [2022-12-14 15:23:35,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:23:35,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063941036] [2022-12-14 15:23:35,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063941036] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:23:35,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:23:35,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:23:35,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548763858] [2022-12-14 15:23:35,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:23:35,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:23:35,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:23:35,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:23:35,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:23:35,858 INFO L87 Difference]: Start difference. First operand 192562 states and 299028 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (68), 3 states have call predecessors, (68), 2 states have call successors, (68) [2022-12-14 15:23:38,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:23:40,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:23:42,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:23:43,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:24:05,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:24:05,395 INFO L93 Difference]: Finished difference Result 385680 states and 600590 transitions. [2022-12-14 15:24:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:24:05,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (68), 3 states have call predecessors, (68), 2 states have call successors, (68) Word has length 597 [2022-12-14 15:24:05,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:24:06,646 INFO L225 Difference]: With dead ends: 385680 [2022-12-14 15:24:06,646 INFO L226 Difference]: Without dead ends: 193302 [2022-12-14 15:24:07,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:24:07,769 INFO L413 NwaCegarLoop]: 3476 mSDtfsCounter, 3 mSDsluCounter, 10381 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 13857 SdHoareTripleChecker+Invalid, 1401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-12-14 15:24:07,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 13857 Invalid, 1401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1400 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-12-14 15:24:07,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193302 states. [2022-12-14 15:24:28,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193302 to 193197. [2022-12-14 15:24:28,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193197 states, 88446 states have (on average 1.2109083508581506) internal successors, (107100), 91570 states have internal predecessors, (107100), 93717 states have call successors, (93717), 10880 states have call predecessors, (93717), 11032 states have return successors, (99250), 91994 states have call predecessors, (99250), 93717 states have call successors, (99250) [2022-12-14 15:24:30,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193197 states to 193197 states and 300067 transitions. [2022-12-14 15:24:30,259 INFO L78 Accepts]: Start accepts. Automaton has 193197 states and 300067 transitions. Word has length 597 [2022-12-14 15:24:30,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:24:30,259 INFO L495 AbstractCegarLoop]: Abstraction has 193197 states and 300067 transitions. [2022-12-14 15:24:30,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (68), 3 states have call predecessors, (68), 2 states have call successors, (68) [2022-12-14 15:24:30,259 INFO L276 IsEmpty]: Start isEmpty. Operand 193197 states and 300067 transitions. [2022-12-14 15:24:30,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2022-12-14 15:24:30,266 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:24:30,266 INFO L195 NwaCegarLoop]: trace histogram [43, 37, 37, 37, 37, 37, 36, 10, 10, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:30,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 15:24:30,266 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:24:30,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:24:30,267 INFO L85 PathProgramCache]: Analyzing trace with hash 993988810, now seen corresponding path program 1 times [2022-12-14 15:24:30,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:24:30,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185653421] [2022-12-14 15:24:30,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:24:30,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:24:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:24:31,247 INFO L134 CoverageAnalysis]: Checked inductivity of 5996 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5981 trivial. 0 not checked. [2022-12-14 15:24:31,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:24:31,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185653421] [2022-12-14 15:24:31,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185653421] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:24:31,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:24:31,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:24:31,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962256592] [2022-12-14 15:24:31,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:24:31,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:24:31,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:24:31,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:24:31,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:24:31,250 INFO L87 Difference]: Start difference. First operand 193197 states and 300067 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 3 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2022-12-14 15:24:34,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:24:36,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:25:02,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:25:02,394 INFO L93 Difference]: Finished difference Result 447548 states and 695365 transitions. [2022-12-14 15:25:02,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:25:02,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 3 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) Word has length 610 [2022-12-14 15:25:02,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:25:03,956 INFO L225 Difference]: With dead ends: 447548 [2022-12-14 15:25:03,957 INFO L226 Difference]: Without dead ends: 254535 [2022-12-14 15:25:05,129 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 15:25:05,130 INFO L413 NwaCegarLoop]: 6381 mSDtfsCounter, 3583 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3592 SdHoareTripleChecker+Valid, 9591 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:25:05,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3592 Valid, 9591 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 939 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-12-14 15:25:05,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254535 states. [2022-12-14 15:25:32,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254535 to 254460. [2022-12-14 15:25:33,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254460 states, 116261 states have (on average 1.2095887700948726) internal successors, (140628), 120414 states have internal predecessors, (140628), 123618 states have call successors, (123618), 14376 states have call predecessors, (123618), 14579 states have return successors, (130831), 121321 states have call predecessors, (130831), 123618 states have call successors, (130831) [2022-12-14 15:25:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254460 states to 254460 states and 395077 transitions. [2022-12-14 15:25:35,735 INFO L78 Accepts]: Start accepts. Automaton has 254460 states and 395077 transitions. Word has length 610 [2022-12-14 15:25:35,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:25:35,736 INFO L495 AbstractCegarLoop]: Abstraction has 254460 states and 395077 transitions. [2022-12-14 15:25:35,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 3 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2022-12-14 15:25:35,736 INFO L276 IsEmpty]: Start isEmpty. Operand 254460 states and 395077 transitions. [2022-12-14 15:25:35,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2022-12-14 15:25:35,744 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:25:35,744 INFO L195 NwaCegarLoop]: trace histogram [45, 37, 37, 37, 37, 37, 36, 12, 12, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:25:35,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 15:25:35,745 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 15:25:35,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:25:35,745 INFO L85 PathProgramCache]: Analyzing trace with hash 443412327, now seen corresponding path program 1 times [2022-12-14 15:25:35,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:25:35,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103855057] [2022-12-14 15:25:35,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:25:35,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:25:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:25:36,637 INFO L134 CoverageAnalysis]: Checked inductivity of 6276 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6248 trivial. 0 not checked. [2022-12-14 15:25:36,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:25:36,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103855057] [2022-12-14 15:25:36,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103855057] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:25:36,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:25:36,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:25:36,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552070063] [2022-12-14 15:25:36,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:25:36,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:25:36,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:25:36,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:25:36,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:25:36,640 INFO L87 Difference]: Start difference. First operand 254460 states and 395077 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2022-12-14 15:25:39,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:25:43,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:26:14,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:26:14,690 INFO L93 Difference]: Finished difference Result 570328 states and 885501 transitions. [2022-12-14 15:26:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:26:14,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) Word has length 660 [2022-12-14 15:26:14,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:26:16,755 INFO L225 Difference]: With dead ends: 570328 [2022-12-14 15:26:16,755 INFO L226 Difference]: Without dead ends: 316052 [2022-12-14 15:26:18,272 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 15:26:18,273 INFO L413 NwaCegarLoop]: 6040 mSDtfsCounter, 3341 mSDsluCounter, 3433 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 14 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3346 SdHoareTripleChecker+Valid, 9473 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-12-14 15:26:18,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3346 Valid, 9473 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 863 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2022-12-14 15:26:18,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316052 states. [2022-12-14 15:26:50,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316052 to 316011. [2022-12-14 15:26:51,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316011 states, 144286 states have (on average 1.2087659232357957) internal successors, (174408), 149466 states have internal predecessors, (174408), 153499 states have call successors, (153499), 17968 states have call predecessors, (153499), 18224 states have return successors, (162332), 150628 states have call predecessors, (162332), 153499 states have call successors, (162332) [2022-12-14 15:26:54,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316011 states to 316011 states and 490239 transitions. [2022-12-14 15:26:54,264 INFO L78 Accepts]: Start accepts. Automaton has 316011 states and 490239 transitions. Word has length 660 [2022-12-14 15:26:54,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:26:54,264 INFO L495 AbstractCegarLoop]: Abstraction has 316011 states and 490239 transitions. [2022-12-14 15:26:54,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2022-12-14 15:26:54,265 INFO L276 IsEmpty]: Start isEmpty. Operand 316011 states and 490239 transitions. [2022-12-14 15:26:54,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2022-12-14 15:26:54,283 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:26:54,284 INFO L195 NwaCegarLoop]: trace histogram [47, 37, 37, 37, 37, 37, 36, 13, 13, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:54,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 15:26:54,284 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:26:54,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:26:54,285 INFO L85 PathProgramCache]: Analyzing trace with hash 277751529, now seen corresponding path program 1 times [2022-12-14 15:26:54,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:26:54,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376520866] [2022-12-14 15:26:54,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:26:54,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:26:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:26:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6555 trivial. 0 not checked. [2022-12-14 15:26:56,835 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:26:56,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376520866] [2022-12-14 15:26:56,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376520866] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:26:56,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:26:56,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:26:56,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920088835] [2022-12-14 15:26:56,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:26:56,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:26:56,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:26:56,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:26:56,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:26:56,837 INFO L87 Difference]: Start difference. First operand 316011 states and 490239 transitions. Second operand has 5 states, 5 states have (on average 33.4) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (82), 3 states have call predecessors, (82), 1 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2022-12-14 15:26:59,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 15:27:02,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:27:03,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:27:31,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:27:31,472 INFO L93 Difference]: Finished difference Result 316011 states and 490239 transitions. [2022-12-14 15:27:31,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:27:31,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.4) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (82), 3 states have call predecessors, (82), 1 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) Word has length 699 [2022-12-14 15:27:31,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:27:33,472 INFO L225 Difference]: With dead ends: 316011 [2022-12-14 15:27:33,472 INFO L226 Difference]: Without dead ends: 316009 [2022-12-14 15:27:33,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 15:27:33,669 INFO L413 NwaCegarLoop]: 3484 mSDtfsCounter, 3493 mSDsluCounter, 7142 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3494 SdHoareTripleChecker+Valid, 10626 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:27:33,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3494 Valid, 10626 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1059 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2022-12-14 15:27:33,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316009 states.