./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/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_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-14 11:39:13,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:39:13,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:39:13,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:39:13,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:39:13,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:39:13,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:39:13,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:39:13,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:39:13,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:39:13,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:39:13,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:39:13,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:39:13,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:39:13,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:39:13,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:39:13,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:39:13,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:39:13,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:39:13,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:39:13,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:39:13,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:39:13,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:39:13,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:39:13,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:39:13,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:39:13,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:39:13,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:39:13,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:39:13,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:39:13,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:39:13,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:39:13,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:39:13,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:39:13,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:39:13,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:39:13,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:39:13,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:39:13,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:39:13,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:39:13,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:39:13,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 11:39:13,832 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:39:13,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:39:13,833 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:39:13,833 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:39:13,833 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:39:13,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:39:13,834 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:39:13,834 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:39:13,834 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:39:13,834 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:39:13,834 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:39:13,834 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:39:13,834 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:39:13,835 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:39:13,835 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:39:13,835 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:39:13,835 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:39:13,835 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:39:13,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:39:13,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:39:13,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:39:13,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:39:13,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:39:13,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:39:13,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:39:13,837 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:39:13,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:39:13,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:39:13,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:39:13,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:39:13,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:39:13,838 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:39:13,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:39:13,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:39:13,838 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:39:13,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:39:13,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:39:13,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:39:13,838 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_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 [2022-12-14 11:39:14,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:39:14,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:39:14,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:39:14,025 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:39:14,025 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:39:14,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2022-12-14 11:39:16,473 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:39:16,913 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:39:16,914 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2022-12-14 11:39:16,943 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/data/39316e394/fd785be18c3c4da185f404a53c81074f/FLAGabd094252 [2022-12-14 11:39:17,054 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/data/39316e394/fd785be18c3c4da185f404a53c81074f [2022-12-14 11:39:17,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:39:17,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:39:17,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:39:17,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:39:17,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:39:17,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:39:17" (1/1) ... [2022-12-14 11:39:17,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@239fbcfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:17, skipping insertion in model container [2022-12-14 11:39:17,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:39:17" (1/1) ... [2022-12-14 11:39:17,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:39:17,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:39:17,656 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 11:39:17,680 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 11:39:17,741 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 11:39:17,746 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 11:39:17,746 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 11:39:17,754 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 11:39:17,826 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 11:39:17,863 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 11:39:17,864 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 11:39:17,873 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 11:39:17,875 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:17,888 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 11:39:17,958 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:17,959 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:17,963 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:17,964 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 11:39:17,966 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:17,969 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 11:39:17,976 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 11:39:17,977 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-12-14 11:39:17,978 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 11:39:17,980 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 11:39:17,983 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 11:39:17,983 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 11:39:17,983 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 11:39:17,986 WARN L623 FunctionHandler]: Unknown extern function wireless_spy_update [2022-12-14 11:39:17,986 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 11:39:17,987 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 11:39:17,988 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 11:39:17,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:17,990 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:17,993 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:17,994 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:17,995 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 11:39:18,017 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 11:39:18,074 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:18,087 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 11:39:18,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,130 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,131 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,133 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,134 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,135 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,137 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 11:39:18,137 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 11:39:18,139 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 11:39:18,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,139 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,140 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 11:39:18,142 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,144 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 11:39:18,145 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 11:39:18,145 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 11:39:18,146 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-14 11:39:18,146 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 11:39:18,147 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,147 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,148 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,148 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,149 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 11:39:18,149 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:18,150 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 11:39:18,175 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:18,176 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:18,177 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:18,177 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:18,178 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:18,178 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:18,179 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:18,179 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:18,194 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 11:39:18,198 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 11:39:18,211 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 11:39:18,287 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,467 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,471 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 11:39:18,472 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,473 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,474 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:18,474 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 11:39:18,475 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:18,488 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 11:39:18,489 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 11:39:18,509 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,510 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:18,510 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:18,511 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:18,512 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:18,539 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,540 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,551 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,581 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,596 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,602 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:18,603 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:18,609 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-14 11:39:18,610 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-14 11:39:18,617 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,618 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,620 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,627 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,628 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,681 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,691 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,706 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,706 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,716 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:18,717 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:18,719 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:18,720 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:18,725 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:18,726 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:18,743 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:18,743 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:18,754 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,764 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 11:39:18,769 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 11:39:18,769 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:18,769 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 11:39:18,770 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,770 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:18,775 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 11:39:18,776 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,776 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:18,781 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 11:39:18,782 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 11:39:18,782 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,782 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:18,782 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:18,787 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 11:39:18,788 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:18,793 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:18,794 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:18,794 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:18,803 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 11:39:18,803 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:18,804 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 11:39:18,804 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:18,809 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,814 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,827 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-14 11:39:18,827 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,832 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-14 11:39:18,833 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,838 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 11:39:18,838 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-14 11:39:18,839 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 11:39:18,840 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 11:39:18,840 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 11:39:18,841 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 11:39:18,841 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,842 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 11:39:18,842 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,842 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:18,843 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 11:39:18,843 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 11:39:18,844 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:18,844 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 11:39:18,845 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,850 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,850 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 11:39:18,863 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,864 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,865 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,865 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,865 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,866 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,867 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,867 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:18,869 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:18,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,870 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:18,889 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,894 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,894 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,895 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,895 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,900 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,901 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,901 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,902 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:18,906 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:18,907 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:18,907 WARN L623 FunctionHandler]: Unknown extern function iw_handler_set_spy [2022-12-14 11:39:18,980 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 11:39:18,989 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 11:39:19,011 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 11:39:19,048 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 11:39:19,053 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 11:39:19,054 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 11:39:19,157 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:19,157 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:19,158 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:19,158 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 11:39:19,158 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,160 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 11:39:19,161 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,161 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 11:39:19,162 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:19,162 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:19,162 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:19,164 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 11:39:19,170 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 11:39:19,170 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 11:39:19,175 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,176 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 11:39:19,176 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:19,176 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:19,176 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 11:39:19,176 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-14 11:39:19,181 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,182 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,182 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,187 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 11:39:19,187 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-14 11:39:19,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,188 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 11:39:19,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,189 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:19,189 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,189 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:19,189 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:19,189 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,190 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,192 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,192 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,193 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,193 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,194 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,195 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,196 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 11:39:19,197 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:19,197 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 11:39:19,203 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 11:39:19,203 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 11:39:19,206 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 11:39:19,206 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 11:39:19,206 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 11:39:19,206 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 11:39:19,207 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 11:39:19,207 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 11:39:19,207 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 11:39:19,208 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 11:39:19,208 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 11:39:19,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,268 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 11:39:19,268 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-14 11:39:19,269 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 11:39:19,270 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 11:39:19,271 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 11:39:19,271 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 11:39:19,369 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 11:39:19,375 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-14 11:39:19,380 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 11:39:19,441 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 11:39:19,455 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 11:39:19,506 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_106 [2022-12-14 11:39:19,507 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_107 [2022-12-14 11:39:19,507 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_108 [2022-12-14 11:39:19,507 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_109 [2022-12-14 11:39:19,507 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_110 [2022-12-14 11:39:19,507 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_111 [2022-12-14 11:39:19,519 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_112 [2022-12-14 11:39:19,519 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_113 [2022-12-14 11:39:19,537 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 11:39:19,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,539 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 11:39:19,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,541 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,541 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 11:39:19,541 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-12-14 11:39:19,541 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,543 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-12-14 11:39:19,543 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 11:39:19,543 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 11:39:19,544 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,544 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,545 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-12-14 11:39:19,545 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 11:39:19,545 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 11:39:19,546 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 11:39:19,546 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 11:39:19,547 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,548 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 11:39:19,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,548 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 11:39:19,548 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 11:39:19,553 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,558 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,726 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:19,726 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:19,726 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:19,726 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:19,727 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:19,727 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:19,729 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 11:39:19,730 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 11:39:19,730 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 11:39:19,734 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 11:39:19,738 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 11:39:19,738 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 11:39:19,738 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 11:39:19,738 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 11:39:19,739 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 11:39:19,739 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 11:39:19,739 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 11:39:19,766 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-12-14 11:39:19,767 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:19,767 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:19,776 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:19,777 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:19,780 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-14 11:39:19,782 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-14 11:39:19,782 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,792 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,793 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,794 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-14 11:39:19,794 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-14 11:39:19,795 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,798 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:19,841 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 11:39:19,841 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 11:39:19,850 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 11:39:20,303 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_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/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] [2022-12-14 11:39:20,306 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_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/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] [2022-12-14 11:39:20,306 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_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/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] [2022-12-14 11:39:20,307 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_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/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] [2022-12-14 11:39:20,307 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,308 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,309 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,314 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,325 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,325 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,325 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:39:20,414 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:39:20,491 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 11:39:20,492 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 11:39:20,494 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 11:39:20,495 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 11:39:20,496 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 11:39:20,497 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 11:39:20,499 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 11:39:20,500 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 11:39:20,500 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 11:39:20,500 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 11:39:20,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,501 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 11:39:20,505 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,505 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:20,506 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,506 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 11:39:20,507 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,508 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 11:39:20,509 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 11:39:20,509 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-12-14 11:39:20,509 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 11:39:20,510 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 11:39:20,511 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 11:39:20,512 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 11:39:20,512 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 11:39:20,515 WARN L623 FunctionHandler]: Unknown extern function wireless_spy_update [2022-12-14 11:39:20,515 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 11:39:20,516 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 11:39:20,516 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 11:39:20,516 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,519 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,519 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 11:39:20,520 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 11:39:20,520 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,521 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 11:39:20,523 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,525 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,540 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,541 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,543 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,543 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 11:39:20,544 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 11:39:20,544 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 11:39:20,545 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,545 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,545 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 11:39:20,546 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,547 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 11:39:20,548 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 11:39:20,548 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 11:39:20,549 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-14 11:39:20,549 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 11:39:20,549 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,550 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,550 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,551 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,551 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 11:39:20,551 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:20,552 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 11:39:20,552 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:20,553 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:20,553 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:20,554 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:20,554 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:20,554 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:20,555 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:20,555 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:20,556 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 11:39:20,556 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 11:39:20,557 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 11:39:20,558 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,562 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,565 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 11:39:20,565 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,566 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,566 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:20,567 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 11:39:20,567 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:20,569 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 11:39:20,569 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 11:39:20,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,572 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:20,573 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:20,573 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:20,573 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:20,577 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,578 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,580 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,587 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,590 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,591 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:20,591 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:20,592 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-14 11:39:20,592 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-14 11:39:20,593 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,594 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,595 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,596 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,597 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,607 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,608 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,609 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,611 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,611 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,613 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:20,613 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:20,616 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:20,616 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:20,617 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:20,617 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:20,625 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:20,625 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:20,628 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,629 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 11:39:20,629 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 11:39:20,630 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:20,630 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 11:39:20,630 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,631 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:20,632 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 11:39:20,632 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,632 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:20,633 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 11:39:20,633 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 11:39:20,634 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,634 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:20,634 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:20,635 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 11:39:20,635 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:20,636 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:20,636 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:20,637 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:20,637 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 11:39:20,638 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:20,638 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 11:39:20,638 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:20,639 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,640 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,642 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-14 11:39:20,642 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,643 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-14 11:39:20,643 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,643 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 11:39:20,644 WARN L623 FunctionHandler]: Unknown extern function wireless_send_event [2022-12-14 11:39:20,644 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 11:39:20,645 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 11:39:20,645 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 11:39:20,645 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 11:39:20,646 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,646 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 11:39:20,647 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,647 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:20,647 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 11:39:20,647 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 11:39:20,648 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 11:39:20,648 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 11:39:20,649 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,649 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,650 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 11:39:20,653 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,653 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,654 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,654 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,655 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,656 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,656 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,658 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:20,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,658 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:20,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,661 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,661 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,661 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,662 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,662 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,664 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:20,665 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:20,665 WARN L623 FunctionHandler]: Unknown extern function iw_handler_set_spy [2022-12-14 11:39:20,670 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 11:39:20,671 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 11:39:20,671 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 11:39:20,673 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 11:39:20,673 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 11:39:20,673 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 11:39:20,675 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:20,675 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:20,676 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:20,676 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 11:39:20,676 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,677 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,677 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 11:39:20,678 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,678 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 11:39:20,678 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:20,678 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:20,678 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:20,680 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 11:39:20,681 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 11:39:20,681 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 11:39:20,682 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,682 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 11:39:20,682 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:20,683 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 11:39:20,683 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 11:39:20,683 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-14 11:39:20,683 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,684 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,684 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,685 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 11:39:20,685 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-12-14 11:39:20,685 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,685 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 11:39:20,685 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,686 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:20,686 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,686 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:20,686 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:20,686 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,687 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,688 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,688 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,689 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,689 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,701 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 11:39:20,702 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,702 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 11:39:20,703 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 11:39:20,703 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 11:39:20,708 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 11:39:20,708 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 11:39:20,708 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 11:39:20,708 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 11:39:20,708 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 11:39:20,709 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 11:39:20,709 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 11:39:20,709 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 11:39:20,709 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 11:39:20,711 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,713 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 11:39:20,713 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-14 11:39:20,714 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 11:39:20,716 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 11:39:20,717 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 11:39:20,717 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 11:39:20,717 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 11:39:20,719 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-14 11:39:20,720 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 11:39:20,721 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 11:39:20,721 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 11:39:20,722 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_106 [2022-12-14 11:39:20,722 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_107 [2022-12-14 11:39:20,722 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_108 [2022-12-14 11:39:20,722 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_109 [2022-12-14 11:39:20,722 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_110 [2022-12-14 11:39:20,723 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_111 [2022-12-14 11:39:20,723 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_112 [2022-12-14 11:39:20,723 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_113 [2022-12-14 11:39:20,724 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 11:39:20,724 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,725 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,725 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,725 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 11:39:20,726 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,726 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,726 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,727 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 11:39:20,727 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-12-14 11:39:20,727 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,728 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,728 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-12-14 11:39:20,728 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 11:39:20,728 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 11:39:20,729 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,729 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,730 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-12-14 11:39:20,730 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 11:39:20,730 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 11:39:20,731 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 11:39:20,731 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 11:39:20,732 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,732 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 11:39:20,732 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,733 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 11:39:20,733 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 11:39:20,733 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,734 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,735 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,735 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,736 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,736 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,736 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,736 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,737 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 11:39:20,738 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 11:39:20,739 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 11:39:20,742 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 11:39:20,746 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 11:39:20,746 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 11:39:20,746 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 11:39:20,747 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 11:39:20,747 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 11:39:20,747 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 11:39:20,747 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 11:39:20,751 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-12-14 11:39:20,751 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,752 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 11:39:20,756 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 11:39:20,757 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 11:39:20,759 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-14 11:39:20,761 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-14 11:39:20,761 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,762 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,765 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,766 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,767 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-14 11:39:20,767 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-14 11:39:20,767 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,770 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 11:39:20,774 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 11:39:20,774 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 11:39:20,775 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 11:39:20,787 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_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/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] [2022-12-14 11:39:20,787 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_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/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] [2022-12-14 11:39:20,788 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_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/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] [2022-12-14 11:39:20,788 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_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/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] [2022-12-14 11:39:20,789 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,791 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,791 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,792 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,794 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,794 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,794 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 11:39:20,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:39:21,011 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:39:21,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:21 WrapperNode [2022-12-14 11:39:21,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:39:21,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:39:21,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:39:21,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:39:21,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:21" (1/1) ... [2022-12-14 11:39:21,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:21" (1/1) ... [2022-12-14 11:39:21,365 INFO L138 Inliner]: procedures = 578, calls = 6434, calls flagged for inlining = 254, calls inlined = 233, statements flattened = 8805 [2022-12-14 11:39:21,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:39:21,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:39:21,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:39:21,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:39:21,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:21" (1/1) ... [2022-12-14 11:39:21,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:21" (1/1) ... [2022-12-14 11:39:21,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:21" (1/1) ... [2022-12-14 11:39:21,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:21" (1/1) ... [2022-12-14 11:39:21,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:21" (1/1) ... [2022-12-14 11:39:21,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:21" (1/1) ... [2022-12-14 11:39:21,675 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:21" (1/1) ... [2022-12-14 11:39:21,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:21" (1/1) ... [2022-12-14 11:39:21,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:39:21,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:39:21,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:39:21,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:39:21,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:21" (1/1) ... [2022-12-14 11:39:21,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:39:21,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:39:21,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:39:21,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:39:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2022-12-14 11:39:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2022-12-14 11:39:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2022-12-14 11:39:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2022-12-14 11:39:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-12-14 11:39:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 11:39:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 11:39:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 11:39:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 11:39:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2022-12-14 11:39:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2022-12-14 11:39:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 11:39:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 11:39:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 11:39:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 11:39:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2022-12-14 11:39:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2022-12-14 11:39:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2022-12-14 11:39:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2022-12-14 11:39:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 11:39:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 11:39:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 11:39:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 11:39:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-12-14 11:39:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-12-14 11:39:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-12-14 11:39:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-12-14 11:39:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2022-12-14 11:39:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2022-12-14 11:39:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2022-12-14 11:39:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2022-12-14 11:39:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2022-12-14 11:39:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2022-12-14 11:39:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 11:39:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2022-12-14 11:39:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2022-12-14 11:39:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 11:39:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 11:39:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 11:39:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 11:39:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 11:39:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 11:39:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 11:39:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 11:39:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2022-12-14 11:39:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2022-12-14 11:39:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 11:39:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 11:39:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-14 11:39:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-14 11:39:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:39:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure send_simple_event [2022-12-14 11:39:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure send_simple_event [2022-12-14 11:39:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 11:39:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 11:39:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 11:39:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 11:39:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure send_formatted_event [2022-12-14 11:39:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure send_formatted_event [2022-12-14 11:39:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2022-12-14 11:39:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2022-12-14 11:39:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 11:39:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 11:39:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 11:39:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2022-12-14 11:39:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2022-12-14 11:39:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 11:39:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 11:39:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-12-14 11:39:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-12-14 11:39:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-12-14 11:39:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-12-14 11:39:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 11:39:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 11:39:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 11:39:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:39:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 11:39:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 11:39:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 11:39:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 11:39:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 11:39:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 11:39:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 11:39:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 11:39:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_open [2022-12-14 11:39:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_open [2022-12-14 11:39:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2022-12-14 11:39:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2022-12-14 11:39:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 11:39:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 11:39:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 11:39:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 11:39:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 11:39:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 11:39:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 11:39:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 11:39:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 11:39:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-12-14 11:39:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-12-14 11:39:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-12-14 11:39:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-12-14 11:39:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:39:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 11:39:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 11:39:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 11:39:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 11:39:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 11:39:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 11:39:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 11:39:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 11:39:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-14 11:39:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-14 11:39:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-14 11:39:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-14 11:39:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-14 11:39:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-14 11:39:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 11:39:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 11:39:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-14 11:39:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-14 11:39:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-14 11:39:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-14 11:39:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-12-14 11:39:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-12-14 11:39:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-14 11:39:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-14 11:39:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 11:39:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 11:39:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-12-14 11:39:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-12-14 11:39:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-12-14 11:39:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-12-14 11:39:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-14 11:39:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-14 11:39:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:39:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:39:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-12-14 11:39:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-12-14 11:39:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-12-14 11:39:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-12-14 11:39:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-12-14 11:39:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-12-14 11:39:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2022-12-14 11:39:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2022-12-14 11:39:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_wpa_bss_ie_get [2022-12-14 11:39:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_wpa_bss_ie_get [2022-12-14 11:39:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 11:39:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 11:39:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 11:39:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 11:39:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 11:39:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 11:39:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 11:39:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 11:39:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 11:39:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 11:39:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure handle_request [2022-12-14 11:39:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_request [2022-12-14 11:39:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2022-12-14 11:39:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2022-12-14 11:39:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-12-14 11:39:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-12-14 11:39:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 11:39:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 11:39:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-14 11:39:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-14 11:39:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 11:39:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 11:39:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 11:39:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 11:39:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-12-14 11:39:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-12-14 11:39:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 11:39:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 11:39:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-12-14 11:39:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-12-14 11:39:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:39:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 11:39:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 11:39:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2022-12-14 11:39:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2022-12-14 11:39:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-12-14 11:39:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-12-14 11:39:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 11:39:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_varlen [2022-12-14 11:39:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_varlen [2022-12-14 11:39:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-12-14 11:39:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-12-14 11:39:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-12-14 11:39:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-12-14 11:39:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 11:39:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_close [2022-12-14 11:39:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_close [2022-12-14 11:39:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-12-14 11:39:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-12-14 11:39:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_get_request [2022-12-14 11:39:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_get_request [2022-12-14 11:39:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-14 11:39:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-14 11:39:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 11:39:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 11:39:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 11:39:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 11:39:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 11:39:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 11:39:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2022-12-14 11:39:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2022-12-14 11:39:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2022-12-14 11:39:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2022-12-14 11:39:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 11:39:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 11:39:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-14 11:39:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-14 11:39:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-12-14 11:39:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-12-14 11:39:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 11:39:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 11:39:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-12-14 11:39:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-12-14 11:39:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2022-12-14 11:39:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2022-12-14 11:39:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-12-14 11:39:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-12-14 11:39:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-14 11:39:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-14 11:39:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 11:39:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 11:39:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2022-12-14 11:39:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2022-12-14 11:39:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2022-12-14 11:39:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2022-12-14 11:39:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2022-12-14 11:39:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2022-12-14 11:39:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 11:39:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 11:39:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2022-12-14 11:39:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2022-12-14 11:39:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:39:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-12-14 11:39:21,813 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-12-14 11:39:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-12-14 11:39:21,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-12-14 11:39:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 11:39:21,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 11:39:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2022-12-14 11:39:21,813 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2022-12-14 11:39:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2022-12-14 11:39:21,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2022-12-14 11:39:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-12-14 11:39:21,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-12-14 11:39:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2022-12-14 11:39:21,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2022-12-14 11:39:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-12-14 11:39:21,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-12-14 11:39:21,831 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 11:39:21,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 11:39:21,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 11:39:21,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 11:39:21,831 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-14 11:39:21,831 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-14 11:39:21,831 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-12-14 11:39:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-12-14 11:39:21,832 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2022-12-14 11:39:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2022-12-14 11:39:21,832 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-14 11:39:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-14 11:39:21,832 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 11:39:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 11:39:21,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:39:21,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 11:39:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 11:39:21,832 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-12-14 11:39:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-12-14 11:39:21,833 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2022-12-14 11:39:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2022-12-14 11:39:22,500 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:39:22,502 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:39:22,823 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 11:39:28,548 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 11:39:28,809 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:39:29,866 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:39:29,866 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 11:39:29,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:39:29 BoogieIcfgContainer [2022-12-14 11:39:29,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:39:29,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:39:29,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:39:29,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:39:29,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:39:17" (1/3) ... [2022-12-14 11:39:29,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c554d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:39:29, skipping insertion in model container [2022-12-14 11:39:29,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:21" (2/3) ... [2022-12-14 11:39:29,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c554d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:39:29, skipping insertion in model container [2022-12-14 11:39:29,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:39:29" (3/3) ... [2022-12-14 11:39:29,876 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2022-12-14 11:39:29,890 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:39:29,891 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 11:39:29,964 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:39:29,969 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;@3d2548dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:39:29,969 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 11:39:29,976 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) [2022-12-14 11:39:29,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 11:39:29,985 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:39:29,985 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] [2022-12-14 11:39:29,986 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)] === [2022-12-14 11:39:29,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:39:29,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1184980706, now seen corresponding path program 1 times [2022-12-14 11:39:29,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:39:29,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793479062] [2022-12-14 11:39:29,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:39:29,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:39:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:39:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-14 11:39:31,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:39:31,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793479062] [2022-12-14 11:39:31,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793479062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:39:31,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:39:31,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:39:31,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942281084] [2022-12-14 11:39:31,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:39:31,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:39:31,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:39:31,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:39:31,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:39:31,112 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) [2022-12-14 11:39:34,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:39:34,072 INFO L93 Difference]: Finished difference Result 5172 states and 7638 transitions. [2022-12-14 11:39:34,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:39:34,075 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 [2022-12-14 11:39:34,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:39:34,101 INFO L225 Difference]: With dead ends: 5172 [2022-12-14 11:39:34,101 INFO L226 Difference]: Without dead ends: 3345 [2022-12-14 11:39:34,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:39:34,115 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 2230 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 5103 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:39:34,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2230 Valid, 5103 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 11:39:34,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3345 states. [2022-12-14 11:39:34,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3345 to 3318. [2022-12-14 11:39:34,320 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) [2022-12-14 11:39:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3318 states to 3318 states and 4788 transitions. [2022-12-14 11:39:34,345 INFO L78 Accepts]: Start accepts. Automaton has 3318 states and 4788 transitions. Word has length 75 [2022-12-14 11:39:34,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:39:34,346 INFO L495 AbstractCegarLoop]: Abstraction has 3318 states and 4788 transitions. [2022-12-14 11:39:34,346 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) [2022-12-14 11:39:34,346 INFO L276 IsEmpty]: Start isEmpty. Operand 3318 states and 4788 transitions. [2022-12-14 11:39:34,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 11:39:34,349 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:39:34,349 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] [2022-12-14 11:39:34,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:39:34,350 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 11:39:34,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:39:34,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1055868035, now seen corresponding path program 1 times [2022-12-14 11:39:34,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:39:34,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671850658] [2022-12-14 11:39:34,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:39:34,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:39:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:39:34,848 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-14 11:39:34,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:39:34,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671850658] [2022-12-14 11:39:34,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671850658] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:39:34,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:39:34,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:39:34,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268702083] [2022-12-14 11:39:34,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:39:34,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:39:34,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:39:34,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:39:34,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:39:34,852 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) [2022-12-14 11:39:38,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:39:38,500 INFO L93 Difference]: Finished difference Result 9841 states and 14195 transitions. [2022-12-14 11:39:38,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:39:38,501 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 [2022-12-14 11:39:38,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:39:38,532 INFO L225 Difference]: With dead ends: 9841 [2022-12-14 11:39:38,532 INFO L226 Difference]: Without dead ends: 6536 [2022-12-14 11:39:38,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:39:38,547 INFO L413 NwaCegarLoop]: 2863 mSDtfsCounter, 2528 mSDsluCounter, 2249 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:39:38,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2528 Valid, 5112 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-12-14 11:39:38,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6536 states. [2022-12-14 11:39:38,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6536 to 6532. [2022-12-14 11:39:38,820 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) [2022-12-14 11:39:38,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6532 states to 6532 states and 9410 transitions. [2022-12-14 11:39:38,857 INFO L78 Accepts]: Start accepts. Automaton has 6532 states and 9410 transitions. Word has length 81 [2022-12-14 11:39:38,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:39:38,857 INFO L495 AbstractCegarLoop]: Abstraction has 6532 states and 9410 transitions. [2022-12-14 11:39:38,857 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) [2022-12-14 11:39:38,858 INFO L276 IsEmpty]: Start isEmpty. Operand 6532 states and 9410 transitions. [2022-12-14 11:39:38,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 11:39:38,860 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:39:38,860 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] [2022-12-14 11:39:38,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 11:39:38,861 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)] === [2022-12-14 11:39:38,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:39:38,861 INFO L85 PathProgramCache]: Analyzing trace with hash -862779174, now seen corresponding path program 1 times [2022-12-14 11:39:38,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:39:38,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205399739] [2022-12-14 11:39:38,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:39:38,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:39:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:39:39,235 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-14 11:39:39,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:39:39,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205399739] [2022-12-14 11:39:39,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205399739] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:39:39,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:39:39,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:39:39,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771536978] [2022-12-14 11:39:39,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:39:39,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:39:39,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:39:39,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:39:39,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:39:39,238 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) [2022-12-14 11:39:42,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:39:42,619 INFO L93 Difference]: Finished difference Result 19058 states and 27420 transitions. [2022-12-14 11:39:42,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:39:42,620 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 [2022-12-14 11:39:42,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:39:42,681 INFO L225 Difference]: With dead ends: 19058 [2022-12-14 11:39:42,681 INFO L226 Difference]: Without dead ends: 12539 [2022-12-14 11:39:42,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:39:42,706 INFO L413 NwaCegarLoop]: 2851 mSDtfsCounter, 2433 mSDsluCounter, 2219 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:39:42,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2433 Valid, 5070 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 11:39:42,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12539 states. [2022-12-14 11:39:43,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12539 to 12502. [2022-12-14 11:39:43,075 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) [2022-12-14 11:39:43,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12502 states to 12502 states and 17964 transitions. [2022-12-14 11:39:43,120 INFO L78 Accepts]: Start accepts. Automaton has 12502 states and 17964 transitions. Word has length 85 [2022-12-14 11:39:43,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:39:43,120 INFO L495 AbstractCegarLoop]: Abstraction has 12502 states and 17964 transitions. [2022-12-14 11:39:43,121 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) [2022-12-14 11:39:43,121 INFO L276 IsEmpty]: Start isEmpty. Operand 12502 states and 17964 transitions. [2022-12-14 11:39:43,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-14 11:39:43,125 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:39:43,125 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] [2022-12-14 11:39:43,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 11:39:43,125 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 11:39:43,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:39:43,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1232766281, now seen corresponding path program 1 times [2022-12-14 11:39:43,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:39:43,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870229365] [2022-12-14 11:39:43,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:39:43,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:39:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:39:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-12-14 11:39:43,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:39:43,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870229365] [2022-12-14 11:39:43,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870229365] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:39:43,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:39:43,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:39:43,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224599417] [2022-12-14 11:39:43,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:39:43,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:39:43,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:39:43,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:39:43,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:39:43,984 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) [2022-12-14 11:39:47,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:39:47,696 INFO L93 Difference]: Finished difference Result 12508 states and 17969 transitions. [2022-12-14 11:39:47,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:39:47,698 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 [2022-12-14 11:39:47,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:39:47,739 INFO L225 Difference]: With dead ends: 12508 [2022-12-14 11:39:47,739 INFO L226 Difference]: Without dead ends: 12506 [2022-12-14 11:39:47,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:39:47,746 INFO L413 NwaCegarLoop]: 2279 mSDtfsCounter, 2579 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s 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, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:39:47,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2590 Valid, 6824 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 11:39:47,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12506 states. [2022-12-14 11:39:48,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12506 to 12506. [2022-12-14 11:39:48,166 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) [2022-12-14 11:39:48,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 17967 transitions. [2022-12-14 11:39:48,232 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 17967 transitions. Word has length 123 [2022-12-14 11:39:48,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:39:48,233 INFO L495 AbstractCegarLoop]: Abstraction has 12506 states and 17967 transitions. [2022-12-14 11:39:48,233 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) [2022-12-14 11:39:48,233 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 17967 transitions. [2022-12-14 11:39:48,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 11:39:48,238 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:39:48,238 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 11:39:48,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 11:39:48,238 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 11:39:48,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:39:48,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1667331271, now seen corresponding path program 1 times [2022-12-14 11:39:48,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:39:48,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392337504] [2022-12-14 11:39:48,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:39:48,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:39:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:39:49,079 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2022-12-14 11:39:49,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:39:49,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392337504] [2022-12-14 11:39:49,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392337504] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:39:49,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:39:49,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:39:49,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865200809] [2022-12-14 11:39:49,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:39:49,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:39:49,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:39:49,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:39:49,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:39:49,081 INFO L87 Difference]: Start difference. First operand 12506 states and 17967 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, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 11:39:53,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:39:53,075 INFO L93 Difference]: Finished difference Result 12512 states and 17972 transitions. [2022-12-14 11:39:53,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:39:53,077 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, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 131 [2022-12-14 11:39:53,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:39:53,114 INFO L225 Difference]: With dead ends: 12512 [2022-12-14 11:39:53,114 INFO L226 Difference]: Without dead ends: 12510 [2022-12-14 11:39:53,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:39:53,120 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2573 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2583 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, 3.6s IncrementalHoareTripleChecker+Time [2022-12-14 11:39:53,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2583 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-14 11:39:53,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12510 states. [2022-12-14 11:39:53,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12510 to 12510. [2022-12-14 11:39:53,532 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) [2022-12-14 11:39:53,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12510 states to 12510 states and 17970 transitions. [2022-12-14 11:39:53,571 INFO L78 Accepts]: Start accepts. Automaton has 12510 states and 17970 transitions. Word has length 131 [2022-12-14 11:39:53,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:39:53,571 INFO L495 AbstractCegarLoop]: Abstraction has 12510 states and 17970 transitions. [2022-12-14 11:39:53,571 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, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 11:39:53,572 INFO L276 IsEmpty]: Start isEmpty. Operand 12510 states and 17970 transitions. [2022-12-14 11:39:53,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-14 11:39:53,575 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:39:53,576 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 4, 4, 3, 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] [2022-12-14 11:39:53,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 11:39:53,576 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 11:39:53,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:39:53,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1452747113, now seen corresponding path program 1 times [2022-12-14 11:39:53,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:39:53,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511004506] [2022-12-14 11:39:53,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:39:53,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:39:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:39:54,324 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-12-14 11:39:54,324 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:39:54,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511004506] [2022-12-14 11:39:54,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511004506] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:39:54,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:39:54,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:39:54,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925223191] [2022-12-14 11:39:54,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:39:54,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:39:54,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:39:54,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:39:54,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:39:54,326 INFO L87 Difference]: Start difference. First operand 12510 states and 17970 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, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 11:39:58,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:39:58,988 INFO L93 Difference]: Finished difference Result 12516 states and 17975 transitions. [2022-12-14 11:39:58,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:39:58,989 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, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 133 [2022-12-14 11:39:58,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:39:59,027 INFO L225 Difference]: With dead ends: 12516 [2022-12-14 11:39:59,027 INFO L226 Difference]: Without dead ends: 12514 [2022-12-14 11:39:59,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:39:59,034 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2574 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2583 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, 4.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:39:59,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2583 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-14 11:39:59,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12514 states. [2022-12-14 11:39:59,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12514 to 12514. [2022-12-14 11:39:59,494 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) [2022-12-14 11:39:59,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12514 states to 12514 states and 17973 transitions. [2022-12-14 11:39:59,532 INFO L78 Accepts]: Start accepts. Automaton has 12514 states and 17973 transitions. Word has length 133 [2022-12-14 11:39:59,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:39:59,532 INFO L495 AbstractCegarLoop]: Abstraction has 12514 states and 17973 transitions. [2022-12-14 11:39:59,533 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, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 11:39:59,533 INFO L276 IsEmpty]: Start isEmpty. Operand 12514 states and 17973 transitions. [2022-12-14 11:39:59,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-14 11:39:59,538 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:39:59,538 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 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] [2022-12-14 11:39:59,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 11:39:59,538 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 11:39:59,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:39:59,539 INFO L85 PathProgramCache]: Analyzing trace with hash 986000900, now seen corresponding path program 1 times [2022-12-14 11:39:59,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:39:59,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053969707] [2022-12-14 11:39:59,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:39:59,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:39:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:00,218 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-12-14 11:40:00,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:00,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053969707] [2022-12-14 11:40:00,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053969707] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:00,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:00,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:40:00,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835721652] [2022-12-14 11:40:00,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:00,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:40:00,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:00,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:40:00,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:40:00,220 INFO L87 Difference]: Start difference. First operand 12514 states and 17973 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, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 11:40:04,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:04,120 INFO L93 Difference]: Finished difference Result 12520 states and 17978 transitions. [2022-12-14 11:40:04,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:40:04,122 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, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 138 [2022-12-14 11:40:04,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:04,176 INFO L225 Difference]: With dead ends: 12520 [2022-12-14 11:40:04,176 INFO L226 Difference]: Without dead ends: 12518 [2022-12-14 11:40:04,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:40:04,186 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2574 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:04,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2582 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-14 11:40:04,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12518 states. [2022-12-14 11:40:04,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12518 to 12518. [2022-12-14 11:40:04,689 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) [2022-12-14 11:40:04,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12518 states to 12518 states and 17976 transitions. [2022-12-14 11:40:04,730 INFO L78 Accepts]: Start accepts. Automaton has 12518 states and 17976 transitions. Word has length 138 [2022-12-14 11:40:04,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:04,731 INFO L495 AbstractCegarLoop]: Abstraction has 12518 states and 17976 transitions. [2022-12-14 11:40:04,731 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, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 11:40:04,731 INFO L276 IsEmpty]: Start isEmpty. Operand 12518 states and 17976 transitions. [2022-12-14 11:40:04,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-14 11:40:04,735 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:04,735 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:40:04,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 11:40:04,735 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 11:40:04,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:04,735 INFO L85 PathProgramCache]: Analyzing trace with hash -251719244, now seen corresponding path program 1 times [2022-12-14 11:40:04,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:04,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863612214] [2022-12-14 11:40:04,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:04,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:05,367 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2022-12-14 11:40:05,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:05,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863612214] [2022-12-14 11:40:05,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863612214] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:05,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:05,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:40:05,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567762049] [2022-12-14 11:40:05,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:05,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:40:05,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:05,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:40:05,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:40:05,370 INFO L87 Difference]: Start difference. First operand 12518 states and 17976 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 11:40:09,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:09,584 INFO L93 Difference]: Finished difference Result 12524 states and 17981 transitions. [2022-12-14 11:40:09,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:40:09,585 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 146 [2022-12-14 11:40:09,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:09,618 INFO L225 Difference]: With dead ends: 12524 [2022-12-14 11:40:09,618 INFO L226 Difference]: Without dead ends: 12522 [2022-12-14 11:40:09,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:40:09,624 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2573 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:09,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2580 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 11:40:09,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12522 states. [2022-12-14 11:40:10,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12522 to 12522. [2022-12-14 11:40:10,163 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) [2022-12-14 11:40:10,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12522 states to 12522 states and 17979 transitions. [2022-12-14 11:40:10,202 INFO L78 Accepts]: Start accepts. Automaton has 12522 states and 17979 transitions. Word has length 146 [2022-12-14 11:40:10,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:10,203 INFO L495 AbstractCegarLoop]: Abstraction has 12522 states and 17979 transitions. [2022-12-14 11:40:10,203 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 11:40:10,203 INFO L276 IsEmpty]: Start isEmpty. Operand 12522 states and 17979 transitions. [2022-12-14 11:40:10,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-14 11:40:10,210 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:10,210 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] [2022-12-14 11:40:10,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 11:40:10,210 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 11:40:10,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:10,211 INFO L85 PathProgramCache]: Analyzing trace with hash 274273700, now seen corresponding path program 1 times [2022-12-14 11:40:10,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:10,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587860517] [2022-12-14 11:40:10,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:10,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:10,859 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-12-14 11:40:10,859 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:10,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587860517] [2022-12-14 11:40:10,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587860517] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:10,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:10,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:40:10,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731537980] [2022-12-14 11:40:10,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:10,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:40:10,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:10,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:40:10,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:40:10,861 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) [2022-12-14 11:40:14,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:14,949 INFO L93 Difference]: Finished difference Result 12528 states and 17984 transitions. [2022-12-14 11:40:14,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:40:14,951 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 [2022-12-14 11:40:14,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:14,981 INFO L225 Difference]: With dead ends: 12528 [2022-12-14 11:40:14,981 INFO L226 Difference]: Without dead ends: 12526 [2022-12-14 11:40:14,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:40:14,987 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2574 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s 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, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:14,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2580 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 11:40:14,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12526 states. [2022-12-14 11:40:15,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12526 to 12526. [2022-12-14 11:40:15,516 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) [2022-12-14 11:40:15,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12526 states to 12526 states and 17982 transitions. [2022-12-14 11:40:15,552 INFO L78 Accepts]: Start accepts. Automaton has 12526 states and 17982 transitions. Word has length 148 [2022-12-14 11:40:15,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:15,553 INFO L495 AbstractCegarLoop]: Abstraction has 12526 states and 17982 transitions. [2022-12-14 11:40:15,553 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) [2022-12-14 11:40:15,553 INFO L276 IsEmpty]: Start isEmpty. Operand 12526 states and 17982 transitions. [2022-12-14 11:40:15,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-12-14 11:40:15,557 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:15,557 INFO L195 NwaCegarLoop]: trace histogram [10, 7, 6, 6, 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] [2022-12-14 11:40:15,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 11:40:15,558 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 11:40:15,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:15,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1101698647, now seen corresponding path program 1 times [2022-12-14 11:40:15,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:15,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332948773] [2022-12-14 11:40:15,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:15,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:16,184 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-12-14 11:40:16,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:16,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332948773] [2022-12-14 11:40:16,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332948773] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:16,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:16,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:40:16,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267142981] [2022-12-14 11:40:16,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:16,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:40:16,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:16,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:40:16,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:40:16,186 INFO L87 Difference]: Start difference. First operand 12526 states and 17982 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 11:40:20,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:20,750 INFO L93 Difference]: Finished difference Result 12532 states and 17987 transitions. [2022-12-14 11:40:20,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:40:20,751 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 153 [2022-12-14 11:40:20,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:20,777 INFO L225 Difference]: With dead ends: 12532 [2022-12-14 11:40:20,777 INFO L226 Difference]: Without dead ends: 12530 [2022-12-14 11:40:20,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:40:20,780 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2574 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 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, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:20,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 11:40:20,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12530 states. [2022-12-14 11:40:21,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12530 to 12530. [2022-12-14 11:40:21,353 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) [2022-12-14 11:40:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12530 states to 12530 states and 17985 transitions. [2022-12-14 11:40:21,388 INFO L78 Accepts]: Start accepts. Automaton has 12530 states and 17985 transitions. Word has length 153 [2022-12-14 11:40:21,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:21,388 INFO L495 AbstractCegarLoop]: Abstraction has 12530 states and 17985 transitions. [2022-12-14 11:40:21,388 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 11:40:21,388 INFO L276 IsEmpty]: Start isEmpty. Operand 12530 states and 17985 transitions. [2022-12-14 11:40:21,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-14 11:40:21,392 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:21,393 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] [2022-12-14 11:40:21,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 11:40:21,393 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 11:40:21,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:21,393 INFO L85 PathProgramCache]: Analyzing trace with hash 654449767, now seen corresponding path program 1 times [2022-12-14 11:40:21,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:21,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300888309] [2022-12-14 11:40:21,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:21,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:22,023 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-12-14 11:40:22,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:22,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300888309] [2022-12-14 11:40:22,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300888309] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:22,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:22,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:40:22,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858854056] [2022-12-14 11:40:22,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:22,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:40:22,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:22,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:40:22,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:40:22,025 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) [2022-12-14 11:40:27,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:27,241 INFO L93 Difference]: Finished difference Result 12536 states and 17990 transitions. [2022-12-14 11:40:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:40:27,242 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 [2022-12-14 11:40:27,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:27,274 INFO L225 Difference]: With dead ends: 12536 [2022-12-14 11:40:27,275 INFO L226 Difference]: Without dead ends: 12534 [2022-12-14 11:40:27,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:40:27,282 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2573 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:27,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2577 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 11:40:27,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12534 states. [2022-12-14 11:40:27,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12534 to 12534. [2022-12-14 11:40:27,912 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) [2022-12-14 11:40:27,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12534 states to 12534 states and 17988 transitions. [2022-12-14 11:40:27,946 INFO L78 Accepts]: Start accepts. Automaton has 12534 states and 17988 transitions. Word has length 161 [2022-12-14 11:40:27,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:27,946 INFO L495 AbstractCegarLoop]: Abstraction has 12534 states and 17988 transitions. [2022-12-14 11:40:27,946 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) [2022-12-14 11:40:27,946 INFO L276 IsEmpty]: Start isEmpty. Operand 12534 states and 17988 transitions. [2022-12-14 11:40:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-12-14 11:40:27,951 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:27,951 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 8, 8, 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] [2022-12-14 11:40:27,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 11:40:27,951 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 11:40:27,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:27,951 INFO L85 PathProgramCache]: Analyzing trace with hash -546506185, now seen corresponding path program 1 times [2022-12-14 11:40:27,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:27,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323135414] [2022-12-14 11:40:27,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:27,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:28,549 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2022-12-14 11:40:28,549 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:28,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323135414] [2022-12-14 11:40:28,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323135414] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:28,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:28,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:40:28,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102931874] [2022-12-14 11:40:28,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:28,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:40:28,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:28,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:40:28,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:40:28,551 INFO L87 Difference]: Start difference. First operand 12534 states and 17988 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, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 11:40:33,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:33,219 INFO L93 Difference]: Finished difference Result 12540 states and 17993 transitions. [2022-12-14 11:40:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:40:33,221 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, (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 163 [2022-12-14 11:40:33,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:33,276 INFO L225 Difference]: With dead ends: 12540 [2022-12-14 11:40:33,276 INFO L226 Difference]: Without dead ends: 12538 [2022-12-14 11:40:33,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:40:33,280 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2574 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s 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, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:33,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2577 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 11:40:33,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12538 states. [2022-12-14 11:40:33,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12538 to 12538. [2022-12-14 11:40:33,919 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) [2022-12-14 11:40:33,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12538 states to 12538 states and 17991 transitions. [2022-12-14 11:40:33,956 INFO L78 Accepts]: Start accepts. Automaton has 12538 states and 17991 transitions. Word has length 163 [2022-12-14 11:40:33,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:33,956 INFO L495 AbstractCegarLoop]: Abstraction has 12538 states and 17991 transitions. [2022-12-14 11:40:33,956 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, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 11:40:33,957 INFO L276 IsEmpty]: Start isEmpty. Operand 12538 states and 17991 transitions. [2022-12-14 11:40:33,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-14 11:40:33,961 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:33,961 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 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] [2022-12-14 11:40:33,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 11:40:33,961 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 11:40:33,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:33,962 INFO L85 PathProgramCache]: Analyzing trace with hash 550592322, now seen corresponding path program 1 times [2022-12-14 11:40:33,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:33,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679535983] [2022-12-14 11:40:33,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:33,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:34,565 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2022-12-14 11:40:34,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:34,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679535983] [2022-12-14 11:40:34,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679535983] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:34,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:34,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:40:34,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375656623] [2022-12-14 11:40:34,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:34,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:40:34,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:34,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:40:34,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:40:34,567 INFO L87 Difference]: Start difference. First operand 12538 states and 17991 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, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 11:40:38,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:38,910 INFO L93 Difference]: Finished difference Result 12544 states and 17996 transitions. [2022-12-14 11:40:38,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:40:38,911 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, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 172 [2022-12-14 11:40:38,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:38,940 INFO L225 Difference]: With dead ends: 12544 [2022-12-14 11:40:38,940 INFO L226 Difference]: Without dead ends: 12542 [2022-12-14 11:40:38,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:40:38,945 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2573 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2575 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, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:38,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2575 Valid, 6827 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 11:40:38,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12542 states. [2022-12-14 11:40:39,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12542 to 12542. [2022-12-14 11:40:39,634 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) [2022-12-14 11:40:39,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12542 states to 12542 states and 17994 transitions. [2022-12-14 11:40:39,671 INFO L78 Accepts]: Start accepts. Automaton has 12542 states and 17994 transitions. Word has length 172 [2022-12-14 11:40:39,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:39,671 INFO L495 AbstractCegarLoop]: Abstraction has 12542 states and 17994 transitions. [2022-12-14 11:40:39,671 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, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 11:40:39,671 INFO L276 IsEmpty]: Start isEmpty. Operand 12542 states and 17994 transitions. [2022-12-14 11:40:39,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-12-14 11:40:39,676 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:39,676 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] [2022-12-14 11:40:39,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 11:40:39,676 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)] === [2022-12-14 11:40:39,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:39,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1544158841, now seen corresponding path program 1 times [2022-12-14 11:40:39,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:39,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812171065] [2022-12-14 11:40:39,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:39,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:40,313 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-12-14 11:40:40,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:40,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812171065] [2022-12-14 11:40:40,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812171065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:40,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:40,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:40:40,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930468275] [2022-12-14 11:40:40,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:40,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:40:40,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:40,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:40:40,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:40:40,315 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) [2022-12-14 11:40:44,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:44,922 INFO L93 Difference]: Finished difference Result 13394 states and 18939 transitions. [2022-12-14 11:40:44,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:40:44,923 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 [2022-12-14 11:40:44,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:44,950 INFO L225 Difference]: With dead ends: 13394 [2022-12-14 11:40:44,951 INFO L226 Difference]: Without dead ends: 13390 [2022-12-14 11:40:44,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:40:44,955 INFO L413 NwaCegarLoop]: 2326 mSDtfsCounter, 2107 mSDsluCounter, 5194 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2108 SdHoareTripleChecker+Valid, 7520 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:44,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2108 Valid, 7520 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-12-14 11:40:44,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13390 states. [2022-12-14 11:40:45,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13390 to 13390. [2022-12-14 11:40:45,720 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) [2022-12-14 11:40:45,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13390 states to 13390 states and 18935 transitions. [2022-12-14 11:40:45,758 INFO L78 Accepts]: Start accepts. Automaton has 13390 states and 18935 transitions. Word has length 177 [2022-12-14 11:40:45,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:45,758 INFO L495 AbstractCegarLoop]: Abstraction has 13390 states and 18935 transitions. [2022-12-14 11:40:45,758 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) [2022-12-14 11:40:45,758 INFO L276 IsEmpty]: Start isEmpty. Operand 13390 states and 18935 transitions. [2022-12-14 11:40:45,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-12-14 11:40:45,763 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:45,763 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] [2022-12-14 11:40:45,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 11:40:45,764 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 11:40:45,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:45,764 INFO L85 PathProgramCache]: Analyzing trace with hash 797525031, now seen corresponding path program 1 times [2022-12-14 11:40:45,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:45,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639860045] [2022-12-14 11:40:45,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:45,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:46,384 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2022-12-14 11:40:46,384 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:46,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639860045] [2022-12-14 11:40:46,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639860045] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:46,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:46,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:40:46,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559971933] [2022-12-14 11:40:46,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:46,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:40:46,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:46,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:40:46,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:40:46,386 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) [2022-12-14 11:40:50,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 11:40:51,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:51,643 INFO L93 Difference]: Finished difference Result 13390 states and 18935 transitions. [2022-12-14 11:40:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:40:51,644 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 [2022-12-14 11:40:51,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:51,673 INFO L225 Difference]: With dead ends: 13390 [2022-12-14 11:40:51,674 INFO L226 Difference]: Without dead ends: 13291 [2022-12-14 11:40:51,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:40:51,679 INFO L413 NwaCegarLoop]: 2280 mSDtfsCounter, 2569 mSDsluCounter, 4544 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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, 4.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:51,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2569 Valid, 6824 Invalid, 1029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-14 11:40:51,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13291 states. [2022-12-14 11:40:52,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13291 to 13291. [2022-12-14 11:40:52,505 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) [2022-12-14 11:40:52,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13291 states to 13291 states and 18805 transitions. [2022-12-14 11:40:52,540 INFO L78 Accepts]: Start accepts. Automaton has 13291 states and 18805 transitions. Word has length 181 [2022-12-14 11:40:52,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:52,541 INFO L495 AbstractCegarLoop]: Abstraction has 13291 states and 18805 transitions. [2022-12-14 11:40:52,541 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) [2022-12-14 11:40:52,541 INFO L276 IsEmpty]: Start isEmpty. Operand 13291 states and 18805 transitions. [2022-12-14 11:40:52,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-12-14 11:40:52,546 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:52,546 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 4, 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] [2022-12-14 11:40:52,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 11:40:52,546 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)] === [2022-12-14 11:40:52,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:52,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1882390996, now seen corresponding path program 1 times [2022-12-14 11:40:52,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:52,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777436451] [2022-12-14 11:40:52,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:52,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:52,773 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:40:52,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777436451] [2022-12-14 11:40:52,773 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-14 11:40:52,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050409305] [2022-12-14 11:40:52,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:52,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:40:52,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:40:52,775 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:40:52,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 11:40:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:40:54,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 8699 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 11:40:54,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:40:54,273 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-12-14 11:40:54,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:40:54,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050409305] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:40:54,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:40:54,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:40:54,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766730035] [2022-12-14 11:40:54,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:40:54,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:40:54,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:40:54,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:40:54,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:40:54,275 INFO L87 Difference]: Start difference. First operand 13291 states and 18805 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-14 11:40:58,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:40:58,286 INFO L93 Difference]: Finished difference Result 23543 states and 33183 transitions. [2022-12-14 11:40:58,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:40:58,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 194 [2022-12-14 11:40:58,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:40:58,311 INFO L225 Difference]: With dead ends: 23543 [2022-12-14 11:40:58,312 INFO L226 Difference]: Without dead ends: 10265 [2022-12-14 11:40:58,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:40:58,345 INFO L413 NwaCegarLoop]: 3905 mSDtfsCounter, 2015 mSDsluCounter, 2204 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:40:58,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2015 Valid, 6109 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 960 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 11:40:58,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10265 states. [2022-12-14 11:40:58,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10265 to 10257. [2022-12-14 11:40:58,957 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) [2022-12-14 11:40:58,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10257 states to 10257 states and 14316 transitions. [2022-12-14 11:40:58,985 INFO L78 Accepts]: Start accepts. Automaton has 10257 states and 14316 transitions. Word has length 194 [2022-12-14 11:40:58,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:40:58,985 INFO L495 AbstractCegarLoop]: Abstraction has 10257 states and 14316 transitions. [2022-12-14 11:40:58,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-14 11:40:58,986 INFO L276 IsEmpty]: Start isEmpty. Operand 10257 states and 14316 transitions. [2022-12-14 11:40:58,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-12-14 11:40:58,989 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:40:58,989 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:40:59,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 11:40:59,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-14 11:40:59,192 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)] === [2022-12-14 11:40:59,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:40:59,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1795076390, now seen corresponding path program 1 times [2022-12-14 11:40:59,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:40:59,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852921070] [2022-12-14 11:40:59,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:59,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:40:59,377 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:40:59,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1697496431] [2022-12-14 11:40:59,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:40:59,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:40:59,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:40:59,378 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:40:59,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 11:41:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:41:00,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 8971 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 11:41:00,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:41:00,778 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2022-12-14 11:41:00,778 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:41:00,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:41:00,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852921070] [2022-12-14 11:41:00,779 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:41:00,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697496431] [2022-12-14 11:41:00,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697496431] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:41:00,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:41:00,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:41:00,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213485417] [2022-12-14 11:41:00,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:41:00,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:41:00,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:41:00,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:41:00,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:41:00,780 INFO L87 Difference]: Start difference. First operand 10257 states and 14316 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-12-14 11:41:05,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:41:05,853 INFO L93 Difference]: Finished difference Result 23920 states and 33342 transitions. [2022-12-14 11:41:05,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:41:05,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 241 [2022-12-14 11:41:05,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:41:05,881 INFO L225 Difference]: With dead ends: 23920 [2022-12-14 11:41:05,882 INFO L226 Difference]: Without dead ends: 13746 [2022-12-14 11:41:05,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:41:05,902 INFO L413 NwaCegarLoop]: 3898 mSDtfsCounter, 2019 mSDsluCounter, 2196 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:41:05,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2019 Valid, 6094 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 11:41:05,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13746 states. [2022-12-14 11:41:06,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13746 to 13738. [2022-12-14 11:41:06,720 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) [2022-12-14 11:41:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13738 states to 13738 states and 19068 transitions. [2022-12-14 11:41:06,756 INFO L78 Accepts]: Start accepts. Automaton has 13738 states and 19068 transitions. Word has length 241 [2022-12-14 11:41:06,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:41:06,757 INFO L495 AbstractCegarLoop]: Abstraction has 13738 states and 19068 transitions. [2022-12-14 11:41:06,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-12-14 11:41:06,757 INFO L276 IsEmpty]: Start isEmpty. Operand 13738 states and 19068 transitions. [2022-12-14 11:41:06,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-12-14 11:41:06,761 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:41:06,761 INFO L195 NwaCegarLoop]: trace histogram [13, 8, 8, 7, 7, 7, 7, 7, 7, 4, 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] [2022-12-14 11:41:06,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 11:41:06,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-14 11:41:06,963 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)] === [2022-12-14 11:41:06,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:41:06,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1009238401, now seen corresponding path program 1 times [2022-12-14 11:41:06,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:41:06,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769131525] [2022-12-14 11:41:06,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:41:06,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:41:07,128 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:41:07,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1540757204] [2022-12-14 11:41:07,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:41:07,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:41:07,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:41:07,130 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:41:07,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 11:41:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:41:08,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 9180 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 11:41:08,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:41:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2022-12-14 11:41:08,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:41:08,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:41:08,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769131525] [2022-12-14 11:41:08,849 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:41:08,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540757204] [2022-12-14 11:41:08,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540757204] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:41:08,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:41:08,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 11:41:08,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163541763] [2022-12-14 11:41:08,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:41:08,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:41:08,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:41:08,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:41:08,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:41:08,851 INFO L87 Difference]: Start difference. First operand 13738 states and 19068 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2022-12-14 11:41:12,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 11:41:16,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:41:16,226 INFO L93 Difference]: Finished difference Result 13738 states and 19068 transitions. [2022-12-14 11:41:16,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 11:41:16,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 303 [2022-12-14 11:41:16,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:41:16,254 INFO L225 Difference]: With dead ends: 13738 [2022-12-14 11:41:16,254 INFO L226 Difference]: Without dead ends: 13736 [2022-12-14 11:41:16,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 11:41:16,258 INFO L413 NwaCegarLoop]: 2275 mSDtfsCounter, 1899 mSDsluCounter, 5108 mSDsCounter, 0 mSdLazyCounter, 1105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1900 SdHoareTripleChecker+Valid, 7383 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:41:16,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1900 Valid, 7383 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1105 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-12-14 11:41:16,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13736 states. [2022-12-14 11:41:17,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13736 to 13736. [2022-12-14 11:41:17,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13736 states, 8235 states have (on average 1.2847601700060716) internal successors, (10580), 8629 states have internal predecessors, (10580), 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) [2022-12-14 11:41:17,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13736 states to 13736 states and 19057 transitions. [2022-12-14 11:41:17,113 INFO L78 Accepts]: Start accepts. Automaton has 13736 states and 19057 transitions. Word has length 303 [2022-12-14 11:41:17,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:41:17,114 INFO L495 AbstractCegarLoop]: Abstraction has 13736 states and 19057 transitions. [2022-12-14 11:41:17,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2022-12-14 11:41:17,114 INFO L276 IsEmpty]: Start isEmpty. Operand 13736 states and 19057 transitions. [2022-12-14 11:41:17,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2022-12-14 11:41:17,118 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:41:17,119 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:41:17,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 11:41:17,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-14 11:41:17,320 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 11:41:17,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:41:17,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1182874581, now seen corresponding path program 1 times [2022-12-14 11:41:17,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:41:17,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835303468] [2022-12-14 11:41:17,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:41:17,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:41:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:41:17,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:41:17,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835303468] [2022-12-14 11:41:17,619 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-14 11:41:17,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041672174] [2022-12-14 11:41:17,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:41:17,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:41:17,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:41:17,620 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:41:17,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 11:41:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:41:19,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 9457 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 11:41:19,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:41:19,234 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2022-12-14 11:41:19,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:41:19,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041672174] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:41:19,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:41:19,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:41:19,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813212459] [2022-12-14 11:41:19,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:41:19,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:41:19,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:41:19,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:41:19,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:41:19,236 INFO L87 Difference]: Start difference. First operand 13736 states and 19057 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-14 11:41:22,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:41:22,903 INFO L93 Difference]: Finished difference Result 28573 states and 40038 transitions. [2022-12-14 11:41:22,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:41:22,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 360 [2022-12-14 11:41:22,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:41:22,946 INFO L225 Difference]: With dead ends: 28573 [2022-12-14 11:41:22,947 INFO L226 Difference]: Without dead ends: 14920 [2022-12-14 11:41:22,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:41:22,976 INFO L413 NwaCegarLoop]: 2355 mSDtfsCounter, 125 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 4611 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 11:41:22,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 4611 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 11:41:22,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14920 states. [2022-12-14 11:41:23,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14920 to 13891. [2022-12-14 11:41:23,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13891 states, 8327 states have (on average 1.2865377687042152) internal successors, (10713), 8741 states have internal predecessors, (10713), 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) [2022-12-14 11:41:23,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13891 states to 13891 states and 19315 transitions. [2022-12-14 11:41:23,911 INFO L78 Accepts]: Start accepts. Automaton has 13891 states and 19315 transitions. Word has length 360 [2022-12-14 11:41:23,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:41:23,912 INFO L495 AbstractCegarLoop]: Abstraction has 13891 states and 19315 transitions. [2022-12-14 11:41:23,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-14 11:41:23,912 INFO L276 IsEmpty]: Start isEmpty. Operand 13891 states and 19315 transitions. [2022-12-14 11:41:23,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2022-12-14 11:41:23,917 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:41:23,917 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:41:23,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 11:41:24,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:41:24,118 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 11:41:24,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:41:24,119 INFO L85 PathProgramCache]: Analyzing trace with hash 75203397, now seen corresponding path program 1 times [2022-12-14 11:41:24,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:41:24,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734637077] [2022-12-14 11:41:24,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:41:24,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:41:24,273 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:41:24,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [349184905] [2022-12-14 11:41:24,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:41:24,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:41:24,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:41:24,275 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:41:24,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce84f0-3c74-4bf4-875a-0e53bcfad2ed/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 11:41:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:41:25,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 9461 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 11:41:25,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:41:25,872 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 84 proven. 1 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2022-12-14 11:41:25,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:41:26,062 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2022-12-14 11:41:26,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:41:26,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734637077] [2022-12-14 11:41:26,063 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:41:26,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349184905] [2022-12-14 11:41:26,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349184905] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:41:26,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1644283438] [2022-12-14 11:41:26,082 INFO L159 IcfgInterpreter]: Started Sifa with 239 locations of interest [2022-12-14 11:41:26,082 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:41:26,085 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:41:26,089 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:41:26,089 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:46:39,792 WARN L233 SmtUtils]: Spent 8.81s 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) [2022-12-14 11:46:48,953 WARN L233 SmtUtils]: Spent 9.13s 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) [2022-12-14 11:46:58,682 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) [2022-12-14 11:47:07,311 WARN L233 SmtUtils]: Spent 8.53s 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) [2022-12-14 11:47:15,872 WARN L233 SmtUtils]: Spent 8.53s 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) [2022-12-14 11:47:25,429 WARN L233 SmtUtils]: Spent 9.51s 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) [2022-12-14 11:50:45,938 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) [2022-12-14 11:50:54,480 WARN L233 SmtUtils]: Spent 8.51s 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) [2022-12-14 11:51:04,083 WARN L233 SmtUtils]: Spent 9.53s 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) [2022-12-14 11:51:12,675 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) [2022-12-14 11:51:21,219 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) [2022-12-14 11:51:30,769 WARN L233 SmtUtils]: Spent 9.50s 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)