./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur --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 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 --- 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-38b53e6 [2022-11-25 23:38:23,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:38:23,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:38:23,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:38:23,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:38:23,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:38:23,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:38:23,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:38:23,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:38:23,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:38:23,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:38:23,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:38:23,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:38:23,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:38:23,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:38:23,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:38:23,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:38:23,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:38:23,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:38:23,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:38:23,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:38:23,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:38:23,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:38:23,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:38:23,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:38:23,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:38:23,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:38:23,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:38:23,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:38:23,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:38:23,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:38:23,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:38:23,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:38:23,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:38:23,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:38:23,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:38:23,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:38:23,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:38:23,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:38:23,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:38:23,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:38:23,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:38:23,997 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:38:23,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:38:23,998 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:38:23,998 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:38:23,999 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:38:23,999 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:38:23,999 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:38:23,999 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:38:24,000 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:38:24,000 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:38:24,000 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:38:24,000 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:38:24,001 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:38:24,001 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:38:24,001 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:38:24,001 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:38:24,002 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:38:24,002 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:38:24,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:38:24,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:38:24,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:38:24,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:38:24,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:38:24,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:38:24,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:38:24,005 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:38:24,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:38:24,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:38:24,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:38:24,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:38:24,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:38:24,006 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:38:24,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:38:24,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:38:24,007 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:38:24,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:38:24,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:38:24,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:38:24,008 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_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 [2022-11-25 23:38:24,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:38:24,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:38:24,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:38:24,392 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:38:24,392 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:38:24,393 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2022-11-25 23:38:27,392 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:38:28,218 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:38:28,219 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2022-11-25 23:38:28,275 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/data/07693dc3d/a6c80cdc0ae5426d9b31b227359a24ce/FLAG2272bff86 [2022-11-25 23:38:28,293 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/data/07693dc3d/a6c80cdc0ae5426d9b31b227359a24ce [2022-11-25 23:38:28,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:38:28,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:38:28,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:38:28,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:38:28,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:38:28,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:38:28" (1/1) ... [2022-11-25 23:38:28,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cbe34d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:38:28, skipping insertion in model container [2022-11-25 23:38:28,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:38:28" (1/1) ... [2022-11-25 23:38:28,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:38:28,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:38:29,289 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:38:29,324 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:38:29,444 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:38:29,458 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:38:29,459 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 23:38:29,475 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 23:38:29,591 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:38:29,646 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:38:29,647 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:38:29,662 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:38:29,665 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:29,690 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 23:38:29,814 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:29,815 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:29,822 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:29,824 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:38:29,828 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:29,842 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:38:29,856 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 23:38:29,856 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-11-25 23:38:29,857 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 23:38:29,864 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 23:38:29,870 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:38:29,871 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 23:38:29,872 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:38:29,877 WARN L623 FunctionHandler]: Unknown extern function wireless_spy_update [2022-11-25 23:38:29,878 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 23:38:29,879 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 23:38:29,882 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 23:38:29,888 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:29,891 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:29,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:29,907 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:29,948 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:38:30,004 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:38:30,106 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:30,130 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 23:38:30,194 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:30,215 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:30,218 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:30,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:30,224 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,229 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:30,236 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:30,238 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:30,239 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:30,242 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:38:30,246 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:38:30,247 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:38:30,251 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:30,251 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,252 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:38:30,255 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,259 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 23:38:30,261 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 23:38:30,262 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:38:30,263 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-11-25 23:38:30,265 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:38:30,266 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:30,267 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:30,270 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:30,275 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:38:30,275 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:30,277 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:38:30,316 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:30,318 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:30,319 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:30,320 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:30,322 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:30,323 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:30,323 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:30,324 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:30,350 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:38:30,356 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:38:30,376 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:38:30,480 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,701 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:30,715 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:38:30,716 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,718 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,719 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:30,720 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-25 23:38:30,720 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:30,739 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 23:38:30,741 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 23:38:30,763 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:30,764 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:30,765 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:30,766 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:30,766 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:30,798 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,799 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,815 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,848 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,865 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,873 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:30,873 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:30,880 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-25 23:38:30,881 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-25 23:38:30,889 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,891 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,892 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,900 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,901 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,969 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:30,983 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:30,984 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:30,993 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:30,994 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:31,008 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:31,009 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:31,018 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:31,020 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:31,028 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:31,030 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:31,062 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:31,062 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:31,089 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:31,103 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:38:31,110 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:38:31,111 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:31,112 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:38:31,112 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:31,114 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:31,122 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 23:38:31,123 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:31,124 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:31,131 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 23:38:31,132 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:38:31,133 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:31,133 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:31,133 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:31,140 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 23:38:31,142 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:31,150 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:31,151 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:31,151 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:31,164 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 23:38:31,165 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:31,165 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:38:31,167 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:31,174 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:31,183 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:31,209 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-11-25 23:38:31,210 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:31,233 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-11-25 23:38:31,234 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:31,241 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:38:31,242 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-11-25 23:38:31,244 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:38:31,246 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:38:31,248 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:38:31,249 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:38:31,250 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,258 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:38:31,259 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:31,259 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:31,260 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:38:31,260 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:38:31,261 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:31,262 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:38:31,263 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:31,270 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,271 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:38:31,289 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,290 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:31,292 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,292 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:31,293 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:31,294 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,295 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:31,295 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:31,299 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:31,299 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,300 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,300 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:31,328 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,336 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,337 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,337 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,344 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,346 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,346 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,353 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:31,354 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:31,355 WARN L623 FunctionHandler]: Unknown extern function iw_handler_set_spy [2022-11-25 23:38:31,456 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:38:31,466 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:38:31,491 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 23:38:31,575 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 23:38:31,582 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:38:31,583 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 23:38:31,729 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:31,729 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:31,730 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:31,730 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 23:38:31,731 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,732 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,734 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 23:38:31,736 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,736 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 23:38:31,737 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:31,737 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:31,738 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:31,742 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:38:31,751 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:38:31,751 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:38:31,758 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,759 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-25 23:38:31,759 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:31,760 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:31,760 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 23:38:31,761 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-11-25 23:38:31,776 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,778 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,779 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,787 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:38:31,787 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-11-25 23:38:31,788 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,788 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:38:31,789 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,789 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:31,790 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,790 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:31,790 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:31,791 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,792 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,796 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,797 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,798 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,799 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,801 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,802 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,804 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:38:31,805 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:31,807 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:38:31,813 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:38:31,814 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:38:31,821 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:38:31,822 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:38:31,822 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:38:31,823 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:38:31,824 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:38:31,824 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:38:31,825 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:38:31,825 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:38:31,826 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:38:31,829 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:31,910 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 23:38:31,911 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 23:38:31,911 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 23:38:31,919 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 23:38:31,920 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:38:31,921 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:38:32,062 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-25 23:38:32,069 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-11-25 23:38:32,076 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-11-25 23:38:32,159 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 23:38:32,177 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 23:38:32,256 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_106 [2022-11-25 23:38:32,257 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_107 [2022-11-25 23:38:32,257 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_108 [2022-11-25 23:38:32,258 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_109 [2022-11-25 23:38:32,258 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_110 [2022-11-25 23:38:32,259 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_111 [2022-11-25 23:38:32,259 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_112 [2022-11-25 23:38:32,259 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_113 [2022-11-25 23:38:32,286 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:38:32,286 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,290 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,297 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,297 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 23:38:32,299 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,303 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,306 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,307 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 23:38:32,308 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-11-25 23:38:32,308 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,310 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,311 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-11-25 23:38:32,312 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:38:32,312 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:38:32,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,316 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-11-25 23:38:32,316 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:38:32,316 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:38:32,318 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 23:38:32,319 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 23:38:32,320 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,321 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:38:32,322 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,322 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 23:38:32,322 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 23:38:32,329 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,336 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,539 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:32,540 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:32,540 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:32,541 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:32,541 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:32,541 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:32,545 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:38:32,548 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:38:32,548 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:38:32,555 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:38:32,570 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:38:32,570 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:38:32,571 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:38:32,571 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:38:32,572 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:38:32,572 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 23:38:32,574 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 23:38:32,610 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-11-25 23:38:32,611 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:32,613 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:32,629 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:32,630 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:32,635 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-25 23:38:32,638 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-25 23:38:32,639 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,642 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,661 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,662 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-25 23:38:32,663 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-25 23:38:32,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:32,736 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 23:38:32,740 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:38:32,753 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:38:33,456 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_6298df3c-8332-40e6-9353-a83183b6a7ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482333,482346] [2022-11-25 23:38:33,467 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_6298df3c-8332-40e6-9353-a83183b6a7ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482502,482515] [2022-11-25 23:38:33,468 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_6298df3c-8332-40e6-9353-a83183b6a7ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482669,482682] [2022-11-25 23:38:33,468 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_6298df3c-8332-40e6-9353-a83183b6a7ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482837,482850] [2022-11-25 23:38:33,478 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:33,478 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:33,480 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:33,489 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:33,506 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:33,507 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:33,507 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:33,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:38:33,633 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:38:33,771 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:38:33,772 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:38:33,776 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:38:33,777 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:38:33,777 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 23:38:33,778 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 23:38:33,781 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:38:33,782 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:38:33,783 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:38:33,784 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:38:33,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,785 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 23:38:33,790 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,791 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:33,792 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,793 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:38:33,794 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,795 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:38:33,797 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 23:38:33,797 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-11-25 23:38:33,798 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 23:38:33,799 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 23:38:33,801 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:38:33,802 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 23:38:33,802 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:38:33,808 WARN L623 FunctionHandler]: Unknown extern function wireless_spy_update [2022-11-25 23:38:33,809 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 23:38:33,809 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 23:38:33,810 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 23:38:33,810 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,811 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,814 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,816 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:38:33,817 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:38:33,818 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:33,819 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 23:38:33,831 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,834 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,835 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,836 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,840 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,841 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,842 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,843 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:38:33,844 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:38:33,844 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:38:33,845 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,845 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,845 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:38:33,847 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,848 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 23:38:33,849 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 23:38:33,850 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:38:33,850 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-11-25 23:38:33,851 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:38:33,851 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,851 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,852 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,852 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,853 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:38:33,853 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:33,853 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:38:33,854 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:33,855 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:33,855 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:33,856 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:33,856 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:33,857 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:33,857 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:33,857 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:33,859 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:38:33,859 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:38:33,859 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:38:33,860 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,869 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,872 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:38:33,873 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,873 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,874 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:33,875 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-25 23:38:33,875 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:33,877 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 23:38:33,878 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 23:38:33,881 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,882 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:33,882 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:33,883 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:33,883 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:33,888 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,889 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,891 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,900 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,903 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,904 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:33,904 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:33,905 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-25 23:38:33,905 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-25 23:38:33,906 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,908 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,909 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,910 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,911 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,925 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,927 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,928 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,930 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,930 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,932 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:33,933 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:33,935 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:33,936 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:33,938 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:33,938 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:33,948 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:33,948 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:33,951 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,953 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:38:33,953 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:38:33,953 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:33,954 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:38:33,954 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,954 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:33,956 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 23:38:33,956 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,956 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:33,957 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 23:38:33,958 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:38:33,958 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,958 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:33,959 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:33,959 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 23:38:33,960 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:33,961 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:33,962 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:33,962 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:33,963 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-25 23:38:33,964 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:33,964 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:38:33,964 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:33,965 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,968 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,971 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-11-25 23:38:33,971 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,973 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-11-25 23:38:33,973 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,974 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:38:33,974 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-11-25 23:38:33,975 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:38:33,976 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:38:33,976 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:38:33,977 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:38:33,978 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,978 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:38:33,979 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,979 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:33,979 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:38:33,980 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:38:33,980 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:38:33,981 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:38:33,982 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,983 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,983 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:38:33,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,989 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,990 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,990 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,991 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,992 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,993 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:33,996 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:33,996 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,997 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:33,997 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:34,000 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,000 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,001 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,002 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,002 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,003 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,004 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,004 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,005 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,006 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:34,007 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:34,007 WARN L623 FunctionHandler]: Unknown extern function iw_handler_set_spy [2022-11-25 23:38:34,054 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:38:34,055 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:38:34,055 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 23:38:34,057 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 23:38:34,058 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:38:34,059 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 23:38:34,061 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:34,062 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:34,062 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:34,063 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 23:38:34,063 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,064 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,064 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 23:38:34,065 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,066 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 23:38:34,066 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:34,066 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:34,067 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:34,069 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:38:34,071 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:38:34,071 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:38:34,072 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,073 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-25 23:38:34,073 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:34,073 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:38:34,074 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 23:38:34,074 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-11-25 23:38:34,074 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,075 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,075 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,076 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:38:34,077 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-11-25 23:38:34,077 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,077 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:38:34,078 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,078 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:34,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,079 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:34,079 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:34,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,080 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,082 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,082 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,084 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,086 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,087 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:38:34,088 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:34,088 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:38:34,089 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:38:34,090 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:38:34,096 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:38:34,097 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:38:34,097 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:38:34,097 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:38:34,098 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:38:34,098 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:38:34,098 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:38:34,099 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:38:34,099 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:38:34,100 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,104 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 23:38:34,104 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 23:38:34,105 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 23:38:34,109 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 23:38:34,110 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:38:34,110 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:38:34,111 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-25 23:38:34,113 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-11-25 23:38:34,114 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-11-25 23:38:34,116 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 23:38:34,117 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 23:38:34,117 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_106 [2022-11-25 23:38:34,118 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_107 [2022-11-25 23:38:34,118 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_108 [2022-11-25 23:38:34,118 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_109 [2022-11-25 23:38:34,119 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_110 [2022-11-25 23:38:34,119 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_111 [2022-11-25 23:38:34,119 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_112 [2022-11-25 23:38:34,119 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_113 [2022-11-25 23:38:34,121 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:38:34,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,122 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,122 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,123 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 23:38:34,123 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,125 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 23:38:34,125 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-11-25 23:38:34,125 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,126 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,127 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-11-25 23:38:34,127 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:38:34,127 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:38:34,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,130 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-11-25 23:38:34,130 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:38:34,131 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:38:34,132 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 23:38:34,132 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 23:38:34,133 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,134 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:38:34,134 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,134 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 23:38:34,135 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 23:38:34,135 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,138 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:34,139 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:34,139 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:34,139 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:34,139 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:34,139 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:34,141 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:38:34,143 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:38:34,143 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:38:34,148 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:38:34,155 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:38:34,155 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:38:34,155 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:38:34,156 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:38:34,156 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:38:34,156 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 23:38:34,157 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 23:38:34,161 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-11-25 23:38:34,162 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:34,163 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:38:34,169 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 23:38:34,170 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 23:38:34,174 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-25 23:38:34,176 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-25 23:38:34,176 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,178 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,182 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,184 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,184 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-25 23:38:34,185 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-25 23:38:34,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,189 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:38:34,195 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 23:38:34,196 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:38:34,196 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:38:34,213 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_6298df3c-8332-40e6-9353-a83183b6a7ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482333,482346] [2022-11-25 23:38:34,214 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_6298df3c-8332-40e6-9353-a83183b6a7ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482502,482515] [2022-11-25 23:38:34,214 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_6298df3c-8332-40e6-9353-a83183b6a7ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482669,482682] [2022-11-25 23:38:34,215 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_6298df3c-8332-40e6-9353-a83183b6a7ce/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482837,482850] [2022-11-25 23:38:34,216 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:34,219 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:34,220 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:34,221 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:34,223 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:34,223 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:34,224 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:38:34,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:38:34,499 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:38:34,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:38:34 WrapperNode [2022-11-25 23:38:34,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:38:34,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:38:34,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:38:34,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:38:34,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:38:34" (1/1) ... [2022-11-25 23:38:34,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:38:34" (1/1) ... [2022-11-25 23:38:35,106 INFO L138 Inliner]: procedures = 578, calls = 6434, calls flagged for inlining = 254, calls inlined = 233, statements flattened = 8805 [2022-11-25 23:38:35,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:38:35,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:38:35,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:38:35,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:38:35,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:38:34" (1/1) ... [2022-11-25 23:38:35,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:38:34" (1/1) ... [2022-11-25 23:38:35,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:38:34" (1/1) ... [2022-11-25 23:38:35,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:38:34" (1/1) ... [2022-11-25 23:38:35,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:38:34" (1/1) ... [2022-11-25 23:38:35,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:38:34" (1/1) ... [2022-11-25 23:38:35,626 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:38:34" (1/1) ... [2022-11-25 23:38:35,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:38:34" (1/1) ... [2022-11-25 23:38:35,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:38:35,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:38:35,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:38:35,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:38:35,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:38:34" (1/1) ... [2022-11-25 23:38:35,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:38:35,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:38:35,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:38:35,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:38:35,822 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2022-11-25 23:38:35,822 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2022-11-25 23:38:35,822 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2022-11-25 23:38:35,822 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2022-11-25 23:38:35,822 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-25 23:38:35,822 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 23:38:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 23:38:35,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 23:38:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 23:38:35,823 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2022-11-25 23:38:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2022-11-25 23:38:35,823 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 23:38:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 23:38:35,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:38:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:38:35,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2022-11-25 23:38:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2022-11-25 23:38:35,824 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2022-11-25 23:38:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2022-11-25 23:38:35,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 23:38:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 23:38:35,825 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 23:38:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 23:38:35,825 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-25 23:38:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-25 23:38:35,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-11-25 23:38:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-11-25 23:38:35,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2022-11-25 23:38:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2022-11-25 23:38:35,826 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2022-11-25 23:38:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2022-11-25 23:38:35,826 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2022-11-25 23:38:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2022-11-25 23:38:35,826 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 23:38:35,826 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2022-11-25 23:38:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2022-11-25 23:38:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-25 23:38:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-25 23:38:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 23:38:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 23:38:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 23:38:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 23:38:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 23:38:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 23:38:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2022-11-25 23:38:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2022-11-25 23:38:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 23:38:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 23:38:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-25 23:38:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-25 23:38:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:38:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure send_simple_event [2022-11-25 23:38:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure send_simple_event [2022-11-25 23:38:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-25 23:38:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-25 23:38:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 23:38:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 23:38:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure send_formatted_event [2022-11-25 23:38:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure send_formatted_event [2022-11-25 23:38:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2022-11-25 23:38:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2022-11-25 23:38:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 23:38:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 23:38:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 23:38:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2022-11-25 23:38:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2022-11-25 23:38:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 23:38:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 23:38:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-25 23:38:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-25 23:38:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-11-25 23:38:35,832 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-11-25 23:38:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 23:38:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 23:38:35,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 23:38:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:38:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 23:38:35,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 23:38:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 23:38:35,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 23:38:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 23:38:35,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 23:38:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 23:38:35,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 23:38:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_open [2022-11-25 23:38:35,833 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_open [2022-11-25 23:38:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2022-11-25 23:38:35,834 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2022-11-25 23:38:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 23:38:35,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 23:38:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 23:38:35,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 23:38:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:38:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-25 23:38:35,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-25 23:38:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 23:38:35,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 23:38:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-11-25 23:38:35,835 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-11-25 23:38:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-25 23:38:35,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-25 23:38:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:38:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 23:38:35,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 23:38:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 23:38:35,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 23:38:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:38:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 23:38:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:38:35,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:38:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-25 23:38:35,837 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-25 23:38:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-25 23:38:35,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-25 23:38:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-25 23:38:35,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-25 23:38:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 23:38:35,838 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 23:38:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 23:38:35,838 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 23:38:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 23:38:35,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 23:38:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-25 23:38:35,839 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-25 23:38:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-25 23:38:35,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-25 23:38:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-25 23:38:35,840 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-25 23:38:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-11-25 23:38:35,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-11-25 23:38:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-11-25 23:38:35,840 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-11-25 23:38:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-25 23:38:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-25 23:38:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:38:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:38:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-11-25 23:38:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-11-25 23:38:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-25 23:38:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-25 23:38:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-25 23:38:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-25 23:38:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2022-11-25 23:38:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2022-11-25 23:38:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_wpa_bss_ie_get [2022-11-25 23:38:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_wpa_bss_ie_get [2022-11-25 23:38:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 23:38:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:38:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 23:38:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 23:38:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 23:38:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 23:38:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-25 23:38:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-25 23:38:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-25 23:38:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-25 23:38:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure handle_request [2022-11-25 23:38:35,844 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_request [2022-11-25 23:38:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2022-11-25 23:38:35,844 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2022-11-25 23:38:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-11-25 23:38:35,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-11-25 23:38:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 23:38:35,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 23:38:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-25 23:38:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-25 23:38:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:38:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:38:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 23:38:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 23:38:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-25 23:38:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-25 23:38:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 23:38:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 23:38:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-25 23:38:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-25 23:38:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:38:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 23:38:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 23:38:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2022-11-25 23:38:35,847 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2022-11-25 23:38:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-11-25 23:38:35,847 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-11-25 23:38:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:38:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_varlen [2022-11-25 23:38:35,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_varlen [2022-11-25 23:38:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-25 23:38:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-25 23:38:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-11-25 23:38:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-11-25 23:38:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:38:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_close [2022-11-25 23:38:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_close [2022-11-25 23:38:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-25 23:38:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-25 23:38:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_get_request [2022-11-25 23:38:35,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_get_request [2022-11-25 23:38:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-25 23:38:35,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-25 23:38:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-25 23:38:35,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-25 23:38:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-25 23:38:35,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-25 23:38:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 23:38:35,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 23:38:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2022-11-25 23:38:35,850 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2022-11-25 23:38:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2022-11-25 23:38:35,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2022-11-25 23:38:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 23:38:35,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 23:38:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-25 23:38:35,851 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-25 23:38:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-25 23:38:35,851 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-25 23:38:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 23:38:35,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 23:38:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-25 23:38:35,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-25 23:38:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2022-11-25 23:38:35,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2022-11-25 23:38:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-25 23:38:35,852 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-25 23:38:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-25 23:38:35,852 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-25 23:38:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 23:38:35,853 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 23:38:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2022-11-25 23:38:35,853 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2022-11-25 23:38:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2022-11-25 23:38:35,853 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2022-11-25 23:38:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2022-11-25 23:38:35,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2022-11-25 23:38:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:38:35,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:38:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2022-11-25 23:38:35,854 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2022-11-25 23:38:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:38:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-25 23:38:35,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-25 23:38:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-25 23:38:35,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-25 23:38:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:38:35,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:38:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2022-11-25 23:38:35,855 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2022-11-25 23:38:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2022-11-25 23:38:35,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2022-11-25 23:38:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-25 23:38:35,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-25 23:38:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2022-11-25 23:38:35,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2022-11-25 23:38:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-25 23:38:35,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-25 23:38:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-25 23:38:35,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-25 23:38:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 23:38:35,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 23:38:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-25 23:38:35,857 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-25 23:38:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-25 23:38:35,857 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-25 23:38:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2022-11-25 23:38:35,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2022-11-25 23:38:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-25 23:38:35,858 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-25 23:38:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-25 23:38:35,858 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-25 23:38:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:38:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 23:38:35,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 23:38:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-25 23:38:35,859 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-25 23:38:35,859 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2022-11-25 23:38:35,859 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2022-11-25 23:38:36,988 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:38:37,071 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:38:37,724 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 23:38:46,882 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 23:38:47,270 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:38:49,286 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:38:49,288 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 23:38:49,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:38:49 BoogieIcfgContainer [2022-11-25 23:38:49,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:38:49,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:38:49,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:38:49,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:38:49,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:38:28" (1/3) ... [2022-11-25 23:38:49,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e2127a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:38:49, skipping insertion in model container [2022-11-25 23:38:49,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:38:34" (2/3) ... [2022-11-25 23:38:49,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e2127a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:38:49, skipping insertion in model container [2022-11-25 23:38:49,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:38:49" (3/3) ... [2022-11-25 23:38:49,306 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2022-11-25 23:38:49,327 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:38:49,327 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-25 23:38:49,442 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:38:49,453 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;@2d155b91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:38:49,453 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-25 23:38:49,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 1825 states, 1075 states have (on average 1.3144186046511628) internal successors, (1413), 1126 states have internal predecessors, (1413), 620 states have call successors, (620), 128 states have call predecessors, (620), 127 states have return successors, (614), 594 states have call predecessors, (614), 614 states have call successors, (614) [2022-11-25 23:38:49,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-25 23:38:49,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:49,484 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:38:49,486 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:38:49,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:49,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1436494310, now seen corresponding path program 1 times [2022-11-25 23:38:49,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:38:49,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861664501] [2022-11-25 23:38:49,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:49,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:38:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-25 23:38:51,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:38:51,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861664501] [2022-11-25 23:38:51,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861664501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:51,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:38:51,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:38:51,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875290740] [2022-11-25 23:38:51,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:51,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:38:51,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:38:51,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:38:51,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:38:51,217 INFO L87 Difference]: Start difference. First operand has 1825 states, 1075 states have (on average 1.3144186046511628) internal successors, (1413), 1126 states have internal predecessors, (1413), 620 states have call successors, (620), 128 states have call predecessors, (620), 127 states have return successors, (614), 594 states have call predecessors, (614), 614 states have call successors, (614) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 23:38:56,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:38:56,048 INFO L93 Difference]: Finished difference Result 5172 states and 7638 transitions. [2022-11-25 23:38:56,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:38:56,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 75 [2022-11-25 23:38:56,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:38:56,111 INFO L225 Difference]: With dead ends: 5172 [2022-11-25 23:38:56,111 INFO L226 Difference]: Without dead ends: 3345 [2022-11-25 23:38:56,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:38:56,143 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 2230 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 5103 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:38:56,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2230 Valid, 5103 Invalid, 688 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-25 23:38:56,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3345 states. [2022-11-25 23:38:56,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3345 to 3318. [2022-11-25 23:38:56,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3318 states, 1959 states have (on average 1.3088310362429811) internal successors, (2564), 2059 states have internal predecessors, (2564), 1113 states have call successors, (1113), 245 states have call predecessors, (1113), 243 states have return successors, (1111), 1063 states have call predecessors, (1111), 1109 states have call successors, (1111) [2022-11-25 23:38:56,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3318 states to 3318 states and 4788 transitions. [2022-11-25 23:38:56,465 INFO L78 Accepts]: Start accepts. Automaton has 3318 states and 4788 transitions. Word has length 75 [2022-11-25 23:38:56,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:38:56,467 INFO L495 AbstractCegarLoop]: Abstraction has 3318 states and 4788 transitions. [2022-11-25 23:38:56,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 23:38:56,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3318 states and 4788 transitions. [2022-11-25 23:38:56,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-25 23:38:56,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:56,480 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:38:56,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:38:56,480 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:38:56,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:56,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1463730524, now seen corresponding path program 1 times [2022-11-25 23:38:56,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:38:56,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958473152] [2022-11-25 23:38:56,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:56,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:38:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:57,338 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-25 23:38:57,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:38:57,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958473152] [2022-11-25 23:38:57,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958473152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:57,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:38:57,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:38:57,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549027476] [2022-11-25 23:38:57,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:57,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:38:57,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:38:57,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:38:57,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:38:57,346 INFO L87 Difference]: Start difference. First operand 3318 states and 4788 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-25 23:39:01,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:39:03,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:03,017 INFO L93 Difference]: Finished difference Result 9841 states and 14195 transitions. [2022-11-25 23:39:03,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:39:03,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 81 [2022-11-25 23:39:03,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:03,062 INFO L225 Difference]: With dead ends: 9841 [2022-11-25 23:39:03,062 INFO L226 Difference]: Without dead ends: 6536 [2022-11-25 23:39:03,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:39:03,080 INFO L413 NwaCegarLoop]: 2863 mSDtfsCounter, 2528 mSDsluCounter, 2249 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2528 SdHoareTripleChecker+Valid, 5112 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:03,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2528 Valid, 5112 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-25 23:39:03,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6536 states. [2022-11-25 23:39:03,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6536 to 6532. [2022-11-25 23:39:03,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6532 states, 3875 states have (on average 1.3078709677419356) internal successors, (5068), 4067 states have internal predecessors, (5068), 2171 states have call successors, (2171), 486 states have call predecessors, (2171), 483 states have return successors, (2171), 2078 states have call predecessors, (2171), 2167 states have call successors, (2171) [2022-11-25 23:39:03,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6532 states to 6532 states and 9410 transitions. [2022-11-25 23:39:03,506 INFO L78 Accepts]: Start accepts. Automaton has 6532 states and 9410 transitions. Word has length 81 [2022-11-25 23:39:03,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:03,509 INFO L495 AbstractCegarLoop]: Abstraction has 6532 states and 9410 transitions. [2022-11-25 23:39:03,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-25 23:39:03,509 INFO L276 IsEmpty]: Start isEmpty. Operand 6532 states and 9410 transitions. [2022-11-25 23:39:03,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-25 23:39:03,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:03,512 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:39:03,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:39:03,512 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:39:03,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:03,522 INFO L85 PathProgramCache]: Analyzing trace with hash 411773234, now seen corresponding path program 1 times [2022-11-25 23:39:03,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:39:03,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092469385] [2022-11-25 23:39:03,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:03,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:39:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:04,272 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-25 23:39:04,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:39:04,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092469385] [2022-11-25 23:39:04,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092469385] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:39:04,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:39:04,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:39:04,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446321727] [2022-11-25 23:39:04,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:39:04,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:39:04,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:39:04,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:39:04,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:39:04,279 INFO L87 Difference]: Start difference. First operand 6532 states and 9410 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-25 23:39:07,191 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 [] [2022-11-25 23:39:09,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:09,823 INFO L93 Difference]: Finished difference Result 19058 states and 27420 transitions. [2022-11-25 23:39:09,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:39:09,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 85 [2022-11-25 23:39:09,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:09,909 INFO L225 Difference]: With dead ends: 19058 [2022-11-25 23:39:09,909 INFO L226 Difference]: Without dead ends: 12539 [2022-11-25 23:39:09,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:39:09,948 INFO L413 NwaCegarLoop]: 2851 mSDtfsCounter, 2433 mSDsluCounter, 2219 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2433 SdHoareTripleChecker+Valid, 5070 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:09,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2433 Valid, 5070 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-25 23:39:09,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12539 states. [2022-11-25 23:39:10,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12539 to 12502. [2022-11-25 23:39:10,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12502 states, 7407 states have (on average 1.304711759146753) internal successors, (9664), 7787 states have internal predecessors, (9664), 4147 states have call successors, (4147), 956 states have call predecessors, (4147), 945 states have return successors, (4153), 3946 states have call predecessors, (4153), 4143 states have call successors, (4153) [2022-11-25 23:39:10,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12502 states to 12502 states and 17964 transitions. [2022-11-25 23:39:10,902 INFO L78 Accepts]: Start accepts. Automaton has 12502 states and 17964 transitions. Word has length 85 [2022-11-25 23:39:10,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:10,902 INFO L495 AbstractCegarLoop]: Abstraction has 12502 states and 17964 transitions. [2022-11-25 23:39:10,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-25 23:39:10,904 INFO L276 IsEmpty]: Start isEmpty. Operand 12502 states and 17964 transitions. [2022-11-25 23:39:10,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-25 23:39:10,917 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:10,917 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 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] [2022-11-25 23:39:10,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:39:10,918 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:39:10,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:10,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1600838985, now seen corresponding path program 1 times [2022-11-25 23:39:10,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:39:10,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845347701] [2022-11-25 23:39:10,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:10,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:39:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:12,658 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-11-25 23:39:12,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:39:12,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845347701] [2022-11-25 23:39:12,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845347701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:39:12,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:39:12,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:39:12,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27020768] [2022-11-25 23:39:12,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:39:12,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:39:12,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:39:12,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:39:12,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:39:12,662 INFO L87 Difference]: Start difference. First operand 12502 states and 17964 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 23:39:17,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:17,782 INFO L93 Difference]: Finished difference Result 12508 states and 17969 transitions. [2022-11-25 23:39:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:39:17,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 123 [2022-11-25 23:39:17,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:17,857 INFO L225 Difference]: With dead ends: 12508 [2022-11-25 23:39:17,858 INFO L226 Difference]: Without dead ends: 12506 [2022-11-25 23:39:17,867 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 [2022-11-25 23:39:17,868 INFO L413 NwaCegarLoop]: 2279 mSDtfsCounter, 2579 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2590 SdHoareTripleChecker+Valid, 6824 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:17,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2590 Valid, 6824 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-25 23:39:17,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12506 states. [2022-11-25 23:39:18,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12506 to 12506. [2022-11-25 23:39:18,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12506 states, 7410 states have (on average 1.3045883940620784) internal successors, (9667), 7790 states have internal predecessors, (9667), 4147 states have call successors, (4147), 957 states have call predecessors, (4147), 946 states have return successors, (4153), 3946 states have call predecessors, (4153), 4143 states have call successors, (4153) [2022-11-25 23:39:18,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 17967 transitions. [2022-11-25 23:39:18,717 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 17967 transitions. Word has length 123 [2022-11-25 23:39:18,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:18,718 INFO L495 AbstractCegarLoop]: Abstraction has 12506 states and 17967 transitions. [2022-11-25 23:39:18,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 23:39:18,719 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 17967 transitions. [2022-11-25 23:39:18,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-25 23:39:18,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:18,724 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2022-11-25 23:39:18,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:39:18,725 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:39:18,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:18,725 INFO L85 PathProgramCache]: Analyzing trace with hash -976664988, now seen corresponding path program 1 times [2022-11-25 23:39:18,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:39:18,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316005545] [2022-11-25 23:39:18,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:18,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:39:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:20,167 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-11-25 23:39:20,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:39:20,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316005545] [2022-11-25 23:39:20,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316005545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:39:20,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:39:20,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:39:20,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963943266] [2022-11-25 23:39:20,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:39:20,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:39:20,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:39:20,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:39:20,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:39:20,170 INFO L87 Difference]: Start difference. First operand 12506 states and 17967 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 23:39:25,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:25,615 INFO L93 Difference]: Finished difference Result 12512 states and 17972 transitions. [2022-11-25 23:39:25,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:39:25,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 128 [2022-11-25 23:39:25,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:25,688 INFO L225 Difference]: With dead ends: 12512 [2022-11-25 23:39:25,688 INFO L226 Difference]: Without dead ends: 12510 [2022-11-25 23:39:25,698 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 [2022-11-25 23:39:25,699 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2574 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2584 SdHoareTripleChecker+Valid, 6827 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:25,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2584 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-25 23:39:25,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12510 states. [2022-11-25 23:39:26,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12510 to 12510. [2022-11-25 23:39:26,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12510 states, 7413 states have (on average 1.3044651288277351) internal successors, (9670), 7793 states have internal predecessors, (9670), 4147 states have call successors, (4147), 958 states have call predecessors, (4147), 947 states have return successors, (4153), 3946 states have call predecessors, (4153), 4143 states have call successors, (4153) [2022-11-25 23:39:26,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12510 states to 12510 states and 17970 transitions. [2022-11-25 23:39:26,830 INFO L78 Accepts]: Start accepts. Automaton has 12510 states and 17970 transitions. Word has length 128 [2022-11-25 23:39:26,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:26,832 INFO L495 AbstractCegarLoop]: Abstraction has 12510 states and 17970 transitions. [2022-11-25 23:39:26,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 23:39:26,833 INFO L276 IsEmpty]: Start isEmpty. Operand 12510 states and 17970 transitions. [2022-11-25 23:39:26,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-25 23:39:26,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:26,839 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 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] [2022-11-25 23:39:26,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:39:26,839 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:39:26,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:26,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1395097350, now seen corresponding path program 1 times [2022-11-25 23:39:26,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:39:26,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704827758] [2022-11-25 23:39:26,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:26,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:39:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:28,140 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-11-25 23:39:28,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:39:28,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704827758] [2022-11-25 23:39:28,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704827758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:39:28,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:39:28,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:39:28,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823471469] [2022-11-25 23:39:28,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:39:28,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:39:28,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:39:28,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:39:28,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:39:28,144 INFO L87 Difference]: Start difference. First operand 12510 states and 17970 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 23:39:32,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:39:33,865 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 [] [2022-11-25 23:39:35,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:35,645 INFO L93 Difference]: Finished difference Result 12516 states and 17975 transitions. [2022-11-25 23:39:35,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:39:35,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 137 [2022-11-25 23:39:35,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:35,712 INFO L225 Difference]: With dead ends: 12516 [2022-11-25 23:39:35,712 INFO L226 Difference]: Without dead ends: 12514 [2022-11-25 23:39:35,721 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 [2022-11-25 23:39:35,722 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2573 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2582 SdHoareTripleChecker+Valid, 6827 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:35,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2582 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-11-25 23:39:35,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12514 states. [2022-11-25 23:39:36,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12514 to 12514. [2022-11-25 23:39:36,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12514 states, 7416 states have (on average 1.304341963322546) internal successors, (9673), 7796 states have internal predecessors, (9673), 4147 states have call successors, (4147), 959 states have call predecessors, (4147), 948 states have return successors, (4153), 3946 states have call predecessors, (4153), 4143 states have call successors, (4153) [2022-11-25 23:39:36,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12514 states to 12514 states and 17973 transitions. [2022-11-25 23:39:36,706 INFO L78 Accepts]: Start accepts. Automaton has 12514 states and 17973 transitions. Word has length 137 [2022-11-25 23:39:36,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:36,706 INFO L495 AbstractCegarLoop]: Abstraction has 12514 states and 17973 transitions. [2022-11-25 23:39:36,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 23:39:36,707 INFO L276 IsEmpty]: Start isEmpty. Operand 12514 states and 17973 transitions. [2022-11-25 23:39:36,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-25 23:39:36,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:36,714 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 5, 5, 4, 3, 3, 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] [2022-11-25 23:39:36,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:39:36,715 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:39:36,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:36,715 INFO L85 PathProgramCache]: Analyzing trace with hash -981497471, now seen corresponding path program 1 times [2022-11-25 23:39:36,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:39:36,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894372317] [2022-11-25 23:39:36,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:36,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:39:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:37,961 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-11-25 23:39:37,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:39:37,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894372317] [2022-11-25 23:39:37,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894372317] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:39:37,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:39:37,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:39:37,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98364681] [2022-11-25 23:39:37,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:39:37,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:39:37,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:39:37,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:39:37,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:39:37,965 INFO L87 Difference]: Start difference. First operand 12514 states and 17973 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 23:39:43,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:43,803 INFO L93 Difference]: Finished difference Result 12520 states and 17978 transitions. [2022-11-25 23:39:43,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:39:43,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 142 [2022-11-25 23:39:43,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:43,868 INFO L225 Difference]: With dead ends: 12520 [2022-11-25 23:39:43,868 INFO L226 Difference]: Without dead ends: 12518 [2022-11-25 23:39:43,877 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 [2022-11-25 23:39:43,878 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2573 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2581 SdHoareTripleChecker+Valid, 6827 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:43,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2581 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-11-25 23:39:43,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12518 states. [2022-11-25 23:39:44,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12518 to 12518. [2022-11-25 23:39:44,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12518 states, 7419 states have (on average 1.304218897425529) internal successors, (9676), 7799 states have internal predecessors, (9676), 4147 states have call successors, (4147), 960 states have call predecessors, (4147), 949 states have return successors, (4153), 3946 states have call predecessors, (4153), 4143 states have call successors, (4153) [2022-11-25 23:39:44,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12518 states to 12518 states and 17976 transitions. [2022-11-25 23:39:44,620 INFO L78 Accepts]: Start accepts. Automaton has 12518 states and 17976 transitions. Word has length 142 [2022-11-25 23:39:44,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:44,620 INFO L495 AbstractCegarLoop]: Abstraction has 12518 states and 17976 transitions. [2022-11-25 23:39:44,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 23:39:44,621 INFO L276 IsEmpty]: Start isEmpty. Operand 12518 states and 17976 transitions. [2022-11-25 23:39:44,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-25 23:39:44,628 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:44,628 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 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] [2022-11-25 23:39:44,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:39:44,628 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:39:44,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:44,629 INFO L85 PathProgramCache]: Analyzing trace with hash 5255799, now seen corresponding path program 1 times [2022-11-25 23:39:44,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:39:44,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590064200] [2022-11-25 23:39:44,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:44,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:39:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:45,996 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-11-25 23:39:45,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:39:45,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590064200] [2022-11-25 23:39:45,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590064200] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:39:45,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:39:45,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:39:45,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580001094] [2022-11-25 23:39:45,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:39:45,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:39:45,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:39:46,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:39:46,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:39:46,000 INFO L87 Difference]: Start difference. First operand 12518 states and 17976 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 23:39:51,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:51,678 INFO L93 Difference]: Finished difference Result 12524 states and 17981 transitions. [2022-11-25 23:39:51,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:39:51,678 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 143 [2022-11-25 23:39:51,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:51,741 INFO L225 Difference]: With dead ends: 12524 [2022-11-25 23:39:51,742 INFO L226 Difference]: Without dead ends: 12522 [2022-11-25 23:39:51,752 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 [2022-11-25 23:39:51,753 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2574 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2581 SdHoareTripleChecker+Valid, 6827 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:51,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2581 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-25 23:39:51,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12522 states. [2022-11-25 23:39:52,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12522 to 12522. [2022-11-25 23:39:52,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12522 states, 7422 states have (on average 1.3040959310158986) internal successors, (9679), 7802 states have internal predecessors, (9679), 4147 states have call successors, (4147), 961 states have call predecessors, (4147), 950 states have return successors, (4153), 3946 states have call predecessors, (4153), 4143 states have call successors, (4153) [2022-11-25 23:39:52,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12522 states to 12522 states and 17979 transitions. [2022-11-25 23:39:52,689 INFO L78 Accepts]: Start accepts. Automaton has 12522 states and 17979 transitions. Word has length 143 [2022-11-25 23:39:52,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:52,690 INFO L495 AbstractCegarLoop]: Abstraction has 12522 states and 17979 transitions. [2022-11-25 23:39:52,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 23:39:52,691 INFO L276 IsEmpty]: Start isEmpty. Operand 12522 states and 17979 transitions. [2022-11-25 23:39:52,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-25 23:39:52,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:52,699 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 6, 5, 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] [2022-11-25 23:39:52,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 23:39:52,699 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:39:52,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:52,700 INFO L85 PathProgramCache]: Analyzing trace with hash -474583644, now seen corresponding path program 1 times [2022-11-25 23:39:52,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:39:52,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650038194] [2022-11-25 23:39:52,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:52,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:39:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:53,889 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-11-25 23:39:53,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:39:53,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650038194] [2022-11-25 23:39:53,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650038194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:39:53,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:39:53,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:39:53,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106840063] [2022-11-25 23:39:53,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:39:53,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:39:53,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:39:53,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:39:53,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:39:53,893 INFO L87 Difference]: Start difference. First operand 12522 states and 17979 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 23:39:59,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:59,386 INFO L93 Difference]: Finished difference Result 12528 states and 17984 transitions. [2022-11-25 23:39:59,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:39:59,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 148 [2022-11-25 23:39:59,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:59,447 INFO L225 Difference]: With dead ends: 12528 [2022-11-25 23:39:59,448 INFO L226 Difference]: Without dead ends: 12526 [2022-11-25 23:39:59,453 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 [2022-11-25 23:39:59,454 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2574 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2580 SdHoareTripleChecker+Valid, 6827 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:59,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2580 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-25 23:39:59,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12526 states. [2022-11-25 23:40:00,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12526 to 12526. [2022-11-25 23:40:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12526 states, 7425 states have (on average 1.303973063973064) internal successors, (9682), 7805 states have internal predecessors, (9682), 4147 states have call successors, (4147), 962 states have call predecessors, (4147), 951 states have return successors, (4153), 3946 states have call predecessors, (4153), 4143 states have call successors, (4153) [2022-11-25 23:40:00,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12526 states to 12526 states and 17982 transitions. [2022-11-25 23:40:00,469 INFO L78 Accepts]: Start accepts. Automaton has 12526 states and 17982 transitions. Word has length 148 [2022-11-25 23:40:00,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:40:00,470 INFO L495 AbstractCegarLoop]: Abstraction has 12526 states and 17982 transitions. [2022-11-25 23:40:00,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 23:40:00,470 INFO L276 IsEmpty]: Start isEmpty. Operand 12526 states and 17982 transitions. [2022-11-25 23:40:00,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-25 23:40:00,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:40:00,480 INFO L195 NwaCegarLoop]: trace histogram [10, 7, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-25 23:40:00,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:40:00,481 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:40:00,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:40:00,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1446497990, now seen corresponding path program 1 times [2022-11-25 23:40:00,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:40:00,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868286351] [2022-11-25 23:40:00,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:40:00,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:40:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:40:01,787 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-25 23:40:01,788 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:40:01,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868286351] [2022-11-25 23:40:01,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868286351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:40:01,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:40:01,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:40:01,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946776150] [2022-11-25 23:40:01,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:40:01,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:40:01,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:40:01,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:40:01,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:40:01,790 INFO L87 Difference]: Start difference. First operand 12526 states and 17982 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 23:40:07,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:40:07,796 INFO L93 Difference]: Finished difference Result 12532 states and 17987 transitions. [2022-11-25 23:40:07,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:40:07,796 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 157 [2022-11-25 23:40:07,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:40:07,855 INFO L225 Difference]: With dead ends: 12532 [2022-11-25 23:40:07,856 INFO L226 Difference]: Without dead ends: 12530 [2022-11-25 23:40:07,864 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 [2022-11-25 23:40:07,865 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2573 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2578 SdHoareTripleChecker+Valid, 6827 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:40:07,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2578 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-25 23:40:07,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12530 states. [2022-11-25 23:40:08,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12530 to 12530. [2022-11-25 23:40:08,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12530 states, 7428 states have (on average 1.303850296176629) internal successors, (9685), 7808 states have internal predecessors, (9685), 4147 states have call successors, (4147), 963 states have call predecessors, (4147), 952 states have return successors, (4153), 3946 states have call predecessors, (4153), 4143 states have call successors, (4153) [2022-11-25 23:40:08,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12530 states to 12530 states and 17985 transitions. [2022-11-25 23:40:08,761 INFO L78 Accepts]: Start accepts. Automaton has 12530 states and 17985 transitions. Word has length 157 [2022-11-25 23:40:08,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:40:08,761 INFO L495 AbstractCegarLoop]: Abstraction has 12530 states and 17985 transitions. [2022-11-25 23:40:08,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 23:40:08,762 INFO L276 IsEmpty]: Start isEmpty. Operand 12530 states and 17985 transitions. [2022-11-25 23:40:08,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-25 23:40:08,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:40:08,770 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 7, 7, 6, 6, 6, 6, 6, 6, 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] [2022-11-25 23:40:08,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 23:40:08,770 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:40:08,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:40:08,771 INFO L85 PathProgramCache]: Analyzing trace with hash -182478490, now seen corresponding path program 1 times [2022-11-25 23:40:08,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:40:08,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72096490] [2022-11-25 23:40:08,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:40:08,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:40:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:40:09,982 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-11-25 23:40:09,983 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:40:09,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72096490] [2022-11-25 23:40:09,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72096490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:40:09,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:40:09,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:40:09,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075972781] [2022-11-25 23:40:09,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:40:09,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:40:09,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:40:09,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:40:09,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:40:09,985 INFO L87 Difference]: Start difference. First operand 12530 states and 17985 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 23:40:15,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:40:15,004 INFO L93 Difference]: Finished difference Result 12536 states and 17990 transitions. [2022-11-25 23:40:15,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:40:15,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2022-11-25 23:40:15,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:40:15,067 INFO L225 Difference]: With dead ends: 12536 [2022-11-25 23:40:15,067 INFO L226 Difference]: Without dead ends: 12534 [2022-11-25 23:40:15,077 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 [2022-11-25 23:40:15,078 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2573 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2577 SdHoareTripleChecker+Valid, 6827 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:40:15,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2577 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-25 23:40:15,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12534 states. [2022-11-25 23:40:16,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12534 to 12534. [2022-11-25 23:40:16,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12534 states, 7431 states have (on average 1.303727627506392) internal successors, (9688), 7811 states have internal predecessors, (9688), 4147 states have call successors, (4147), 964 states have call predecessors, (4147), 953 states have return successors, (4153), 3946 states have call predecessors, (4153), 4143 states have call successors, (4153) [2022-11-25 23:40:16,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12534 states to 12534 states and 17988 transitions. [2022-11-25 23:40:16,091 INFO L78 Accepts]: Start accepts. Automaton has 12534 states and 17988 transitions. Word has length 161 [2022-11-25 23:40:16,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:40:16,091 INFO L495 AbstractCegarLoop]: Abstraction has 12534 states and 17988 transitions. [2022-11-25 23:40:16,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 23:40:16,091 INFO L276 IsEmpty]: Start isEmpty. Operand 12534 states and 17988 transitions. [2022-11-25 23:40:16,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-25 23:40:16,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:40:16,101 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 8, 8, 6, 6, 6, 6, 6, 6, 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] [2022-11-25 23:40:16,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 23:40:16,102 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:40:16,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:40:16,102 INFO L85 PathProgramCache]: Analyzing trace with hash 563909978, now seen corresponding path program 1 times [2022-11-25 23:40:16,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:40:16,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958469753] [2022-11-25 23:40:16,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:40:16,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:40:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:40:17,210 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-11-25 23:40:17,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:40:17,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958469753] [2022-11-25 23:40:17,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958469753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:40:17,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:40:17,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:40:17,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584082210] [2022-11-25 23:40:17,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:40:17,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:40:17,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:40:17,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:40:17,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:40:17,213 INFO L87 Difference]: Start difference. First operand 12534 states and 17988 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 23:40:23,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:40:23,713 INFO L93 Difference]: Finished difference Result 12540 states and 17993 transitions. [2022-11-25 23:40:23,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:40:23,713 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 167 [2022-11-25 23:40:23,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:40:23,763 INFO L225 Difference]: With dead ends: 12540 [2022-11-25 23:40:23,764 INFO L226 Difference]: Without dead ends: 12538 [2022-11-25 23:40:23,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:40:23,771 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2573 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 6827 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:40:23,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-25 23:40:23,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12538 states. [2022-11-25 23:40:24,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12538 to 12538. [2022-11-25 23:40:24,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12538 states, 7434 states have (on average 1.303605057842346) internal successors, (9691), 7814 states have internal predecessors, (9691), 4147 states have call successors, (4147), 965 states have call predecessors, (4147), 954 states have return successors, (4153), 3946 states have call predecessors, (4153), 4143 states have call successors, (4153) [2022-11-25 23:40:24,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12538 states to 12538 states and 17991 transitions. [2022-11-25 23:40:24,656 INFO L78 Accepts]: Start accepts. Automaton has 12538 states and 17991 transitions. Word has length 167 [2022-11-25 23:40:24,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:40:24,656 INFO L495 AbstractCegarLoop]: Abstraction has 12538 states and 17991 transitions. [2022-11-25 23:40:24,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 23:40:24,657 INFO L276 IsEmpty]: Start isEmpty. Operand 12538 states and 17991 transitions. [2022-11-25 23:40:24,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-25 23:40:24,667 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:40:24,667 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 6, 6, 6, 6, 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] [2022-11-25 23:40:24,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 23:40:24,667 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)] === [2022-11-25 23:40:24,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:40:24,668 INFO L85 PathProgramCache]: Analyzing trace with hash 165033188, now seen corresponding path program 1 times [2022-11-25 23:40:24,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:40:24,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140354791] [2022-11-25 23:40:24,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:40:24,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:40:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:40:25,855 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-11-25 23:40:25,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:40:25,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140354791] [2022-11-25 23:40:25,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140354791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:40:25,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:40:25,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:40:25,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857210135] [2022-11-25 23:40:25,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:40:25,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:40:25,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:40:25,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:40:25,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:40:25,858 INFO L87 Difference]: Start difference. First operand 12538 states and 17991 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 23:40:32,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:40:32,032 INFO L93 Difference]: Finished difference Result 12544 states and 17996 transitions. [2022-11-25 23:40:32,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:40:32,033 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 168 [2022-11-25 23:40:32,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:40:32,075 INFO L225 Difference]: With dead ends: 12544 [2022-11-25 23:40:32,075 INFO L226 Difference]: Without dead ends: 12542 [2022-11-25 23:40:32,083 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 [2022-11-25 23:40:32,083 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2574 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 6827 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:40:32,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-25 23:40:32,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12542 states. [2022-11-25 23:40:33,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12542 to 12542. [2022-11-25 23:40:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12542 states, 7437 states have (on average 1.3034825870646767) internal successors, (9694), 7817 states have internal predecessors, (9694), 4147 states have call successors, (4147), 966 states have call predecessors, (4147), 955 states have return successors, (4153), 3946 states have call predecessors, (4153), 4143 states have call successors, (4153) [2022-11-25 23:40:33,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12542 states to 12542 states and 17994 transitions. [2022-11-25 23:40:33,070 INFO L78 Accepts]: Start accepts. Automaton has 12542 states and 17994 transitions. Word has length 168 [2022-11-25 23:40:33,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:40:33,070 INFO L495 AbstractCegarLoop]: Abstraction has 12542 states and 17994 transitions. [2022-11-25 23:40:33,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 23:40:33,070 INFO L276 IsEmpty]: Start isEmpty. Operand 12542 states and 17994 transitions. [2022-11-25 23:40:33,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-11-25 23:40:33,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:40:33,081 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 6, 6, 6, 6, 6, 6, 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] [2022-11-25 23:40:33,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 23:40:33,081 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:40:33,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:40:33,082 INFO L85 PathProgramCache]: Analyzing trace with hash -179568262, now seen corresponding path program 1 times [2022-11-25 23:40:33,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:40:33,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031455302] [2022-11-25 23:40:33,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:40:33,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:40:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:40:34,161 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-11-25 23:40:34,162 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:40:34,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031455302] [2022-11-25 23:40:34,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031455302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:40:34,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:40:34,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:40:34,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121708492] [2022-11-25 23:40:34,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:40:34,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:40:34,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:40:34,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:40:34,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:40:34,165 INFO L87 Difference]: Start difference. First operand 12542 states and 17994 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-25 23:40:40,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:40:40,935 INFO L93 Difference]: Finished difference Result 13394 states and 18939 transitions. [2022-11-25 23:40:40,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:40:40,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 177 [2022-11-25 23:40:40,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:40:40,976 INFO L225 Difference]: With dead ends: 13394 [2022-11-25 23:40:40,976 INFO L226 Difference]: Without dead ends: 13390 [2022-11-25 23:40:40,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:40:40,983 INFO L413 NwaCegarLoop]: 2326 mSDtfsCounter, 2107 mSDsluCounter, 5194 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2108 SdHoareTripleChecker+Valid, 7520 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:40:40,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2108 Valid, 7520 Invalid, 1127 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-25 23:40:40,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13390 states. [2022-11-25 23:40:42,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13390 to 13390. [2022-11-25 23:40:42,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13390 states, 7913 states have (on average 1.2954631618855048) internal successors, (10251), 8312 states have internal predecessors, (10251), 4339 states have call successors, (4339), 1147 states have call predecessors, (4339), 1135 states have return successors, (4345), 4132 states have call predecessors, (4345), 4335 states have call successors, (4345) [2022-11-25 23:40:42,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13390 states to 13390 states and 18935 transitions. [2022-11-25 23:40:42,110 INFO L78 Accepts]: Start accepts. Automaton has 13390 states and 18935 transitions. Word has length 177 [2022-11-25 23:40:42,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:40:42,111 INFO L495 AbstractCegarLoop]: Abstraction has 13390 states and 18935 transitions. [2022-11-25 23:40:42,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-25 23:40:42,111 INFO L276 IsEmpty]: Start isEmpty. Operand 13390 states and 18935 transitions. [2022-11-25 23:40:42,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-25 23:40:42,121 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:40:42,121 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 10, 6, 6, 6, 6, 6, 6, 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] [2022-11-25 23:40:42,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 23:40:42,121 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:40:42,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:40:42,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1886210982, now seen corresponding path program 1 times [2022-11-25 23:40:42,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:40:42,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725939707] [2022-11-25 23:40:42,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:40:42,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:40:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:40:43,053 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2022-11-25 23:40:43,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:40:43,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725939707] [2022-11-25 23:40:43,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725939707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:40:43,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:40:43,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:40:43,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919623867] [2022-11-25 23:40:43,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:40:43,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:40:43,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:40:43,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:40:43,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:40:43,056 INFO L87 Difference]: Start difference. First operand 13390 states and 18935 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 23:40:48,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:40:48,071 INFO L93 Difference]: Finished difference Result 13390 states and 18935 transitions. [2022-11-25 23:40:48,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:40:48,072 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 181 [2022-11-25 23:40:48,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:40:48,105 INFO L225 Difference]: With dead ends: 13390 [2022-11-25 23:40:48,105 INFO L226 Difference]: Without dead ends: 13291 [2022-11-25 23:40:48,110 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 [2022-11-25 23:40:48,111 INFO L413 NwaCegarLoop]: 2280 mSDtfsCounter, 2569 mSDsluCounter, 4544 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2569 SdHoareTripleChecker+Valid, 6824 SdHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:40:48,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2569 Valid, 6824 Invalid, 1029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-25 23:40:48,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13291 states. [2022-11-25 23:40:49,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13291 to 13291. [2022-11-25 23:40:49,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13291 states, 7869 states have (on average 1.2955902910153767) internal successors, (10195), 8256 states have internal predecessors, (10195), 4300 states have call successors, (4300), 1130 states have call predecessors, (4300), 1120 states have return successors, (4310), 4106 states have call predecessors, (4310), 4300 states have call successors, (4310) [2022-11-25 23:40:49,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13291 states to 13291 states and 18805 transitions. [2022-11-25 23:40:49,305 INFO L78 Accepts]: Start accepts. Automaton has 13291 states and 18805 transitions. Word has length 181 [2022-11-25 23:40:49,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:40:49,305 INFO L495 AbstractCegarLoop]: Abstraction has 13291 states and 18805 transitions. [2022-11-25 23:40:49,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 23:40:49,305 INFO L276 IsEmpty]: Start isEmpty. Operand 13291 states and 18805 transitions. [2022-11-25 23:40:49,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-25 23:40:49,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:40:49,311 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:40:49,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 23:40:49,312 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:40:49,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:40:49,312 INFO L85 PathProgramCache]: Analyzing trace with hash 988497171, now seen corresponding path program 1 times [2022-11-25 23:40:49,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:40:49,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290380216] [2022-11-25 23:40:49,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:40:49,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:40:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:40:49,706 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:40:49,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290380216] [2022-11-25 23:40:49,707 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 23:40:49,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840998864] [2022-11-25 23:40:49,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:40:49,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:40:49,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:40:49,711 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:40:49,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:40:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:40:52,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 8919 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:40:52,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:40:52,234 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-11-25 23:40:52,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:40:52,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840998864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:40:52,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:40:52,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:40:52,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503518047] [2022-11-25 23:40:52,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:40:52,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:40:52,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:40:52,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:40:52,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:40:52,237 INFO L87 Difference]: Start difference. First operand 13291 states and 18805 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-25 23:40:59,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:40:59,273 INFO L93 Difference]: Finished difference Result 23543 states and 33183 transitions. [2022-11-25 23:40:59,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:40:59,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 232 [2022-11-25 23:40:59,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:40:59,304 INFO L225 Difference]: With dead ends: 23543 [2022-11-25 23:40:59,305 INFO L226 Difference]: Without dead ends: 10265 [2022-11-25 23:40:59,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:40:59,353 INFO L413 NwaCegarLoop]: 3905 mSDtfsCounter, 2015 mSDsluCounter, 2204 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 6109 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:40:59,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2015 Valid, 6109 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 960 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-11-25 23:40:59,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10265 states. [2022-11-25 23:41:00,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10265 to 10257. [2022-11-25 23:41:00,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10257 states, 6133 states have (on average 1.2882765367683027) internal successors, (7901), 6428 states have internal predecessors, (7901), 3204 states have call successors, (3204), 923 states have call predecessors, (3204), 918 states have return successors, (3211), 3065 states have call predecessors, (3211), 3204 states have call successors, (3211) [2022-11-25 23:41:00,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10257 states to 10257 states and 14316 transitions. [2022-11-25 23:41:00,088 INFO L78 Accepts]: Start accepts. Automaton has 10257 states and 14316 transitions. Word has length 232 [2022-11-25 23:41:00,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:41:00,088 INFO L495 AbstractCegarLoop]: Abstraction has 10257 states and 14316 transitions. [2022-11-25 23:41:00,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-25 23:41:00,089 INFO L276 IsEmpty]: Start isEmpty. Operand 10257 states and 14316 transitions. [2022-11-25 23:41:00,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-11-25 23:41:00,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:41:00,095 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 3, 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] [2022-11-25 23:41:00,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:41:00,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:41:00,298 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:41:00,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:41:00,298 INFO L85 PathProgramCache]: Analyzing trace with hash 991731167, now seen corresponding path program 1 times [2022-11-25 23:41:00,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:41:00,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962285577] [2022-11-25 23:41:00,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:41:00,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:41:00,539 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:41:00,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1207772399] [2022-11-25 23:41:00,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:41:00,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:41:00,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:41:00,541 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:41:00,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:41:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:41:02,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 9191 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:41:02,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:41:02,958 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-11-25 23:41:02,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:41:02,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:41:02,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962285577] [2022-11-25 23:41:02,959 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:41:02,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207772399] [2022-11-25 23:41:02,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207772399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:41:02,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:41:02,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:41:02,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479630733] [2022-11-25 23:41:02,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:41:02,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:41:02,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:41:02,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:41:02,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:02,962 INFO L87 Difference]: Start difference. First operand 10257 states and 14316 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-25 23:41:08,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:41:08,747 INFO L93 Difference]: Finished difference Result 23920 states and 33342 transitions. [2022-11-25 23:41:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:41:08,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 279 [2022-11-25 23:41:08,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:41:08,786 INFO L225 Difference]: With dead ends: 23920 [2022-11-25 23:41:08,786 INFO L226 Difference]: Without dead ends: 13746 [2022-11-25 23:41:08,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:08,813 INFO L413 NwaCegarLoop]: 3898 mSDtfsCounter, 2019 mSDsluCounter, 2196 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2019 SdHoareTripleChecker+Valid, 6094 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:41:08,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2019 Valid, 6094 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-25 23:41:08,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13746 states. [2022-11-25 23:41:09,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13746 to 13738. [2022-11-25 23:41:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13738 states, 8236 states have (on average 1.285939776590578) internal successors, (10591), 8631 states have internal predecessors, (10591), 4234 states have call successors, (4234), 1271 states have call predecessors, (4234), 1266 states have return successors, (4243), 4053 states have call predecessors, (4243), 4234 states have call successors, (4243) [2022-11-25 23:41:09,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13738 states to 13738 states and 19068 transitions. [2022-11-25 23:41:09,861 INFO L78 Accepts]: Start accepts. Automaton has 13738 states and 19068 transitions. Word has length 279 [2022-11-25 23:41:09,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:41:09,861 INFO L495 AbstractCegarLoop]: Abstraction has 13738 states and 19068 transitions. [2022-11-25 23:41:09,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-25 23:41:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand 13738 states and 19068 transitions. [2022-11-25 23:41:09,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-11-25 23:41:09,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:41:09,866 INFO L195 NwaCegarLoop]: trace histogram [13, 8, 8, 7, 7, 7, 7, 7, 7, 4, 3, 3, 3, 3, 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] [2022-11-25 23:41:09,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:41:10,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-25 23:41:10,067 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:41:10,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:41:10,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1935138664, now seen corresponding path program 1 times [2022-11-25 23:41:10,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:41:10,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102094458] [2022-11-25 23:41:10,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:41:10,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:41:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:41:10,406 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:41:10,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102094458] [2022-11-25 23:41:10,407 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 23:41:10,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651337253] [2022-11-25 23:41:10,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:41:10,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:41:10,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:41:10,409 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:41:10,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:41:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:41:12,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 9398 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:41:12,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:41:12,815 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2022-11-25 23:41:12,816 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:41:12,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651337253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:41:12,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:41:12,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:41:12,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256158989] [2022-11-25 23:41:12,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:41:12,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:41:12,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:41:12,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:41:12,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:12,818 INFO L87 Difference]: Start difference. First operand 13738 states and 19068 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-25 23:41:17,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:41:17,367 INFO L93 Difference]: Finished difference Result 28577 states and 40060 transitions. [2022-11-25 23:41:17,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:41:17,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 339 [2022-11-25 23:41:17,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:41:17,423 INFO L225 Difference]: With dead ends: 28577 [2022-11-25 23:41:17,423 INFO L226 Difference]: Without dead ends: 14922 [2022-11-25 23:41:17,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:17,466 INFO L413 NwaCegarLoop]: 2343 mSDtfsCounter, 125 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 4595 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:41:17,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 4595 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-25 23:41:17,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14922 states. [2022-11-25 23:41:18,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14922 to 13893. [2022-11-25 23:41:18,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13893 states, 8328 states have (on average 1.2877041306436119) internal successors, (10724), 8743 states have internal predecessors, (10724), 4296 states have call successors, (4296), 1271 states have call predecessors, (4296), 1267 states have return successors, (4306), 4100 states have call predecessors, (4306), 4296 states have call successors, (4306) [2022-11-25 23:41:18,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13893 states to 13893 states and 19326 transitions. [2022-11-25 23:41:18,887 INFO L78 Accepts]: Start accepts. Automaton has 13893 states and 19326 transitions. Word has length 339 [2022-11-25 23:41:18,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:41:18,888 INFO L495 AbstractCegarLoop]: Abstraction has 13893 states and 19326 transitions. [2022-11-25 23:41:18,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-25 23:41:18,888 INFO L276 IsEmpty]: Start isEmpty. Operand 13893 states and 19326 transitions. [2022-11-25 23:41:18,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-11-25 23:41:18,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:41:18,893 INFO L195 NwaCegarLoop]: trace histogram [13, 8, 8, 7, 7, 7, 7, 7, 7, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:41:18,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:41:19,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-25 23:41:19,094 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)] === [2022-11-25 23:41:19,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:41:19,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1671608232, now seen corresponding path program 1 times [2022-11-25 23:41:19,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:41:19,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666587244] [2022-11-25 23:41:19,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:41:19,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:41:19,343 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:41:19,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1409917345] [2022-11-25 23:41:19,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:41:19,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:41:19,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:41:19,360 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:41:19,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6298df3c-8332-40e6-9353-a83183b6a7ce/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:41:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:41:21,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 9404 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:41:21,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:41:21,764 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2022-11-25 23:41:21,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:41:22,035 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-11-25 23:41:22,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:41:22,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666587244] [2022-11-25 23:41:22,036 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:41:22,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409917345] [2022-11-25 23:41:22,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409917345] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:41:22,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1817077030] [2022-11-25 23:41:22,063 INFO L159 IcfgInterpreter]: Started Sifa with 223 locations of interest [2022-11-25 23:41:22,063 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:41:22,067 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:41:22,072 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:41:22,073 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:46:56,204 WARN L233 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 11800 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 23:47:04,751 WARN L233 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 11800 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 23:47:14,470 WARN L233 SmtUtils]: Spent 9.58s on a formula simplification. DAG size of input: 11981 DAG size of output: 11800 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 23:47:23,110 WARN L233 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 11800 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 23:47:31,636 WARN L233 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 11800 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 23:47:41,165 WARN L233 SmtUtils]: Spent 9.48s on a formula simplification. DAG size of input: 11981 DAG size of output: 11800 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 23:51:03,413 WARN L233 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 11800 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 23:51:11,836 WARN L233 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 11800 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 23:51:22,220 WARN L233 SmtUtils]: Spent 10.26s on a formula simplification. DAG size of input: 11981 DAG size of output: 11800 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 23:51:32,504 WARN L233 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 11800 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 23:51:41,248 WARN L233 SmtUtils]: Spent 8.70s on a formula simplification that was a NOOP. DAG size: 11800 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 23:51:52,800 WARN L233 SmtUtils]: Spent 11.50s on a formula simplification. DAG size of input: 11981 DAG size of output: 11800 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)