./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-adm8211.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/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_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/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-adm8211.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/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_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/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 265e49c3377c52c97dc3fc0a083b7daee63958176975b73f1e1d54651892cb04 --- 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 12:48:37,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:48:37,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:48:37,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:48:37,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:48:37,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:48:37,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:48:37,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:48:37,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:48:37,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:48:37,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:48:37,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:48:37,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:48:37,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:48:37,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:48:37,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:48:37,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:48:37,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:48:37,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:48:37,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:48:37,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:48:37,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:48:37,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:48:37,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:48:37,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:48:37,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:48:37,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:48:37,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:48:37,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:48:37,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:48:37,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:48:37,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:48:37,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:48:37,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:48:37,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:48:37,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:48:37,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:48:37,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:48:37,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:48:37,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:48:37,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:48:37,458 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 12:48:37,479 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:48:37,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:48:37,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:48:37,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:48:37,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:48:37,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:48:37,481 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:48:37,482 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:48:37,482 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:48:37,482 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:48:37,482 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:48:37,482 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:48:37,482 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:48:37,483 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:48:37,483 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:48:37,483 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:48:37,483 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:48:37,483 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:48:37,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:48:37,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:48:37,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:48:37,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:48:37,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:48:37,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:48:37,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:48:37,484 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:48:37,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:48:37,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:48:37,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:48:37,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:48:37,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:48:37,486 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:48:37,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:48:37,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:48:37,486 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:48:37,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:48:37,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:48:37,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:48:37,487 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_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 265e49c3377c52c97dc3fc0a083b7daee63958176975b73f1e1d54651892cb04 [2022-12-14 12:48:37,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:48:37,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:48:37,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:48:37,704 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:48:37,704 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:48:37,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2022-12-14 12:48:40,268 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:48:40,634 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:48:40,635 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2022-12-14 12:48:40,678 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/data/fbc35935a/9afd2008696942a8966ab022c59f20bb/FLAG3334a3256 [2022-12-14 12:48:40,838 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/data/fbc35935a/9afd2008696942a8966ab022c59f20bb [2022-12-14 12:48:40,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:48:40,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:48:40,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:48:40,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:48:40,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:48:40,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:48:40" (1/1) ... [2022-12-14 12:48:40,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4982288a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:40, skipping insertion in model container [2022-12-14 12:48:40,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:48:40" (1/1) ... [2022-12-14 12:48:40,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:48:41,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:48:41,510 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 12:48:41,529 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 12:48:41,541 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 12:48:41,624 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 12:48:41,631 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-14 12:48:41,694 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:41,746 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 12:48:41,749 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 12:48:41,750 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 12:48:41,755 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 12:48:41,760 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 12:48:41,765 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-14 12:48:41,794 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 12:48:41,800 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 12:48:41,801 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 12:48:41,806 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 12:48:41,835 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 12:48:41,882 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 12:48:41,904 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 12:48:41,935 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 12:48:42,002 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_768 [2022-12-14 12:48:42,003 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_770 [2022-12-14 12:48:42,003 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_771 [2022-12-14 12:48:42,004 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_777 [2022-12-14 12:48:42,019 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 12:48:42,073 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,080 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,081 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,087 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,088 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_multiread [2022-12-14 12:48:42,091 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,094 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,098 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_186 [2022-12-14 12:48:42,101 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,104 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,104 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,111 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,111 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,112 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:42,112 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,112 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,113 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:42,118 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,121 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,126 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,127 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,138 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 12:48:42,138 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 12:48:42,139 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-12-14 12:48:42,140 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queue [2022-12-14 12:48:42,147 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:48:42,148 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,151 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:48:42,153 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:48:42,158 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-12-14 12:48:42,165 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,165 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,167 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,168 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,169 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,171 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,172 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,173 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,175 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,176 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,177 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,179 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,180 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,181 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,182 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,183 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,185 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,186 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,187 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,193 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,193 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,194 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,194 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,194 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,195 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,195 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,196 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,196 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,197 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,197 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,197 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,198 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,198 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,199 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,199 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,204 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,205 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,205 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,205 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,206 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,206 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,207 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,207 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,207 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,208 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,208 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,208 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,209 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,209 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,209 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,209 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,215 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,215 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,215 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,216 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,216 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,217 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,217 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,217 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,217 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,218 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,218 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,219 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,219 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,219 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,224 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,225 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,225 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,225 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,226 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,226 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,226 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,227 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,227 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,227 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,228 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,228 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,228 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,229 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,233 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,234 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:42,234 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,236 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,236 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,237 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:42,237 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,237 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,237 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,246 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,246 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,246 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:42,248 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,250 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,250 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,251 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,252 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,252 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,253 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,253 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:42,254 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,254 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,255 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,255 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,256 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,260 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,260 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,261 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:42,262 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,272 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,273 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,273 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,274 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,274 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,274 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,275 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,275 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,275 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,276 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,277 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,277 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,278 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,278 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,278 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,279 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,279 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,279 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:42,285 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,286 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:42,287 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,287 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,287 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,296 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,296 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,297 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,302 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,302 WARN L623 FunctionHandler]: Unknown extern function pci_set_mwi [2022-12-14 12:48:42,303 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,304 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,304 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,304 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,305 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,305 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,306 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,306 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,306 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,306 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,307 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,307 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:42,307 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,307 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,308 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:42,308 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,308 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,308 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,309 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,309 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,309 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,310 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,310 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,310 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,310 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,311 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,311 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,311 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,312 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,312 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,317 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,317 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,318 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,318 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:42,318 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,319 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,319 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,320 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,320 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,320 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,321 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,321 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,321 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,326 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,327 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,332 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,337 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,337 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,338 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,343 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 12:48:42,354 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 12:48:42,354 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-12-14 12:48:42,362 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,363 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,363 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:48:42,364 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,364 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,364 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,365 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,371 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,371 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,372 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:42,372 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,372 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,373 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,385 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,385 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,391 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 12:48:42,392 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 12:48:42,397 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 12:48:42,398 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 12:48:42,399 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 12:48:42,399 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,409 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,415 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,415 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,415 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,427 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queue [2022-12-14 12:48:42,429 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,435 WARN L623 FunctionHandler]: Unknown extern function ieee80211_hdrlen [2022-12-14 12:48:42,435 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 12:48:42,436 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 12:48:42,444 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:48:42,451 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 12:48:42,452 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,455 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 12:48:42,456 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,456 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,457 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,457 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 12:48:42,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,458 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:48:42,459 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 12:48:42,459 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 12:48:42,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,461 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,461 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,462 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,463 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,464 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,464 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:42,464 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:42,465 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:42,465 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,465 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-12-14 12:48:42,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:42,466 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 12:48:42,467 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:48:42,467 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:48:42,468 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 12:48:42,468 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 12:48:42,468 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:48:42,474 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-12-14 12:48:42,475 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:48:42,475 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:48:42,475 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 12:48:42,475 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 12:48:42,476 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:48:42,480 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 12:48:42,481 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 12:48:42,481 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 12:48:42,486 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 12:48:42,486 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 12:48:42,675 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:42,675 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:42,675 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:42,676 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:42,676 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:42,676 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:42,676 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:42,676 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:42,677 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:42,677 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:42,680 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 12:48:42,685 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 12:48:42,686 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 12:48:42,686 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 12:48:42,687 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 12:48:42,693 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 12:48:42,693 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 12:48:42,699 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 12:48:42,706 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 12:48:42,706 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 12:48:42,707 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw [2022-12-14 12:48:42,707 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-14 12:48:42,708 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-14 12:48:42,708 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 12:48:42,709 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 12:48:42,758 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 12:48:42,758 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 12:48:42,767 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 12:48:43,169 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_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[372884,372897] [2022-12-14 12:48:43,172 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_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373053,373066] [2022-12-14 12:48:43,173 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_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373220,373233] [2022-12-14 12:48:43,173 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_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373388,373401] [2022-12-14 12:48:43,174 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,175 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,183 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,185 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,187 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,187 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:48:43,216 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:48:43,320 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 12:48:43,321 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 12:48:43,321 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 12:48:43,322 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 12:48:43,325 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-14 12:48:43,327 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,330 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 12:48:43,331 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 12:48:43,332 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 12:48:43,333 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 12:48:43,334 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 12:48:43,335 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-14 12:48:43,337 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 12:48:43,338 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 12:48:43,338 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 12:48:43,339 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 12:48:43,340 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 12:48:43,341 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 12:48:43,342 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 12:48:43,343 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 12:48:43,345 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_768 [2022-12-14 12:48:43,345 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_770 [2022-12-14 12:48:43,345 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_771 [2022-12-14 12:48:43,346 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_777 [2022-12-14 12:48:43,347 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 12:48:43,349 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,350 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,350 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,351 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,352 WARN L623 FunctionHandler]: Unknown extern function eeprom_93cx6_multiread [2022-12-14 12:48:43,353 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,353 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,355 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_186 [2022-12-14 12:48:43,356 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,357 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,357 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,358 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,359 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,359 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:43,359 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,359 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,359 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:43,360 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,361 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,361 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,362 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,363 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 12:48:43,363 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 12:48:43,363 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-12-14 12:48:43,364 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queue [2022-12-14 12:48:43,365 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 12:48:43,365 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,366 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:48:43,366 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:48:43,368 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-12-14 12:48:43,369 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,370 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,370 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,371 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,371 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,372 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,372 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,373 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,373 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,374 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,374 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,375 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,375 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,376 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,376 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,377 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,377 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,377 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,378 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,379 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,379 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,379 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,379 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,379 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,379 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,380 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,380 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,380 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,380 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,380 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,380 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,381 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,381 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,381 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,381 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,382 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,382 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,382 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,382 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,382 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,382 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,383 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,383 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,383 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,383 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,383 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,383 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,383 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,383 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,384 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,384 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,384 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,384 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,385 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,385 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,385 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,385 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,385 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,385 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,385 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,386 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,386 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,386 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,386 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,386 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,387 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,387 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,387 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,387 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,387 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,387 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,388 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,388 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,388 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,388 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,388 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,388 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,388 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,389 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,389 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,389 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:43,389 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,390 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,390 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,390 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:43,391 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,391 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,391 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,393 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,393 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,393 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:43,394 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,394 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,395 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,395 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,396 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,396 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,396 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,396 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:43,396 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,397 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,397 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,397 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,398 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,398 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,398 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,399 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:43,399 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,400 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,401 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,401 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,401 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,401 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,401 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,402 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,402 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,402 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,402 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,403 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,403 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,403 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,403 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,403 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,403 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,404 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,404 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:43,406 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,407 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-14 12:48:43,407 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,407 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,407 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,409 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,409 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,409 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,410 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,410 WARN L623 FunctionHandler]: Unknown extern function pci_set_mwi [2022-12-14 12:48:43,410 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,411 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,411 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,411 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,411 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,411 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,411 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,411 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,412 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,412 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,412 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,412 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:43,412 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,412 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,412 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:43,412 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,413 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,413 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,413 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,413 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,413 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,413 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,413 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,414 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,414 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,414 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,425 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,426 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,426 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,426 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,427 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,427 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,427 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,427 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:43,428 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,428 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,428 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,429 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,429 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,429 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,429 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,429 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,430 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,430 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,431 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,431 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,432 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,432 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,432 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,433 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 12:48:43,434 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 12:48:43,435 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-12-14 12:48:43,437 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,438 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,438 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:48:43,438 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,438 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,439 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,439 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,440 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,441 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,441 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:43,441 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,441 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,441 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,444 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,444 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,445 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 12:48:43,446 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 12:48:43,447 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 12:48:43,447 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 12:48:43,448 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 12:48:43,448 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,448 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,449 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,449 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,449 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,451 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queue [2022-12-14 12:48:43,453 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,454 WARN L623 FunctionHandler]: Unknown extern function ieee80211_hdrlen [2022-12-14 12:48:43,454 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 12:48:43,454 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 12:48:43,457 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:48:43,458 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 12:48:43,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,461 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 12:48:43,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,462 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,462 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 12:48:43,462 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,463 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:48:43,463 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 12:48:43,463 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 12:48:43,464 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,464 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,464 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,465 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,465 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,466 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,466 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,466 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 12:48:43,466 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 12:48:43,467 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:48:43,467 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,467 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-12-14 12:48:43,467 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:48:43,468 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 12:48:43,468 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:48:43,469 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:48:43,469 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 12:48:43,469 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 12:48:43,469 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:48:43,470 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-12-14 12:48:43,471 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:48:43,471 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:48:43,471 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 12:48:43,471 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 12:48:43,471 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:48:43,472 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 12:48:43,472 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 12:48:43,472 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 12:48:43,473 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 12:48:43,473 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 12:48:43,477 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,478 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,478 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,478 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,478 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,479 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,479 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,479 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,479 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,479 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,481 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 12:48:43,484 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 12:48:43,484 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 12:48:43,485 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 12:48:43,485 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 12:48:43,489 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 12:48:43,489 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 12:48:43,493 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 12:48:43,497 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 12:48:43,498 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 12:48:43,498 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw [2022-12-14 12:48:43,498 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-14 12:48:43,499 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-14 12:48:43,499 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 12:48:43,499 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 12:48:43,502 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 12:48:43,502 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 12:48:43,503 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 12:48:43,522 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_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[372884,372897] [2022-12-14 12:48:43,522 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_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373053,373066] [2022-12-14 12:48:43,523 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_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373220,373233] [2022-12-14 12:48:43,523 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_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373388,373401] [2022-12-14 12:48:43,523 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,525 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,528 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,529 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,530 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,530 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:48:43,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:48:43,634 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:48:43,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:43 WrapperNode [2022-12-14 12:48:43,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:48:43,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:48:43,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:48:43,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:48:43,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:43" (1/1) ... [2022-12-14 12:48:43,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:43" (1/1) ... [2022-12-14 12:48:43,850 INFO L138 Inliner]: procedures = 411, calls = 2809, calls flagged for inlining = 214, calls inlined = 198, statements flattened = 6107 [2022-12-14 12:48:43,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:48:43,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:48:43,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:48:43,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:48:43,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:43" (1/1) ... [2022-12-14 12:48:43,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:43" (1/1) ... [2022-12-14 12:48:43,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:43" (1/1) ... [2022-12-14 12:48:43,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:43" (1/1) ... [2022-12-14 12:48:43,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:43" (1/1) ... [2022-12-14 12:48:43,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:43" (1/1) ... [2022-12-14 12:48:44,003 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:43" (1/1) ... [2022-12-14 12:48:44,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:43" (1/1) ... [2022-12-14 12:48:44,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:48:44,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:48:44,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:48:44,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:48:44,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:43" (1/1) ... [2022-12-14 12:48:44,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:48:44,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:48:44,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:48:44,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:48:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_set_bssid [2022-12-14 12:48:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_set_bssid [2022-12-14 12:48:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_start [2022-12-14 12:48:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_start [2022-12-14 12:48:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 12:48:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 12:48:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 12:48:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 12:48:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 12:48:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 12:48:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 12:48:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 12:48:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 12:48:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 12:48:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-12-14 12:48:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-12-14 12:48:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 12:48:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 12:48:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_al2210l [2022-12-14 12:48:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_al2210l [2022-12-14 12:48:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 12:48:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 12:48:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-12-14 12:48:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-12-14 12:48:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 12:48:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 12:48:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_adm8211_priv [2022-12-14 12:48:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_adm8211_priv [2022-12-14 12:48:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-14 12:48:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-14 12:48:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:48:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 12:48:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 12:48:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_set_channel [2022-12-14 12:48:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_set_channel [2022-12-14 12:48:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 12:48:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 12:48:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 12:48:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 12:48:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 12:48:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 12:48:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_write_sram [2022-12-14 12:48:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_write_sram [2022-12-14 12:48:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:48:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 12:48:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 12:48:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 12:48:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 12:48:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 12:48:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 12:48:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 12:48:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 12:48:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-12-14 12:48:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-12-14 12:48:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 12:48:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 12:48:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 12:48:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 12:48:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 12:48:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 12:48:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 12:48:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 12:48:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 12:48:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 12:48:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 12:48:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:48:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-12-14 12:48:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-12-14 12:48:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_max2820 [2022-12-14 12:48:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_max2820 [2022-12-14 12:48:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 12:48:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 12:48:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_write_bbp [2022-12-14 12:48:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_write_bbp [2022-12-14 12:48:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 12:48:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 12:48:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 12:48:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 12:48:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 12:48:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-14 12:48:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-14 12:48:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 12:48:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 12:48:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-14 12:48:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-14 12:48:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_stop [2022-12-14 12:48:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_stop [2022-12-14 12:48:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-12-14 12:48:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-12-14 12:48:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:48:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:48:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-14 12:48:44,103 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-14 12:48:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 12:48:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 12:48:44,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 12:48:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 12:48:44,119 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-12-14 12:48:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-12-14 12:48:44,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 12:48:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 12:48:44,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-12-14 12:48:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-12-14 12:48:44,119 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-12-14 12:48:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-12-14 12:48:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-14 12:48:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-14 12:48:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 12:48:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 12:48:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 12:48:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 12:48:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:48:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 12:48:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_resume [2022-12-14 12:48:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_resume [2022-12-14 12:48:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 12:48:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 12:48:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 12:48:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_adm8211_priv [2022-12-14 12:48:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_adm8211_priv [2022-12-14 12:48:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_remove [2022-12-14 12:48:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_remove [2022-12-14 12:48:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_update_mode [2022-12-14 12:48:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_update_mode [2022-12-14 12:48:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 12:48:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 12:48:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:48:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-12-14 12:48:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-12-14 12:48:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-12-14 12:48:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-12-14 12:48:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 12:48:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 12:48:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_rfmd2958 [2022-12-14 12:48:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_rfmd2958 [2022-12-14 12:48:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_rfmd2948 [2022-12-14 12:48:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_rfmd2948 [2022-12-14 12:48:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-12-14 12:48:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-12-14 12:48:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 12:48:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 12:48:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-12-14 12:48:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-12-14 12:48:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-12-14 12:48:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-12-14 12:48:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:48:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 12:48:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 12:48:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-12-14 12:48:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-12-14 12:48:44,724 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:48:44,726 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:48:45,749 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 12:48:52,693 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 12:48:52,771 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:48:54,104 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:48:54,104 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 12:48:54,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:48:54 BoogieIcfgContainer [2022-12-14 12:48:54,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:48:54,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:48:54,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:48:54,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:48:54,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:48:40" (1/3) ... [2022-12-14 12:48:54,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3118f74b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:48:54, skipping insertion in model container [2022-12-14 12:48:54,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:43" (2/3) ... [2022-12-14 12:48:54,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3118f74b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:48:54, skipping insertion in model container [2022-12-14 12:48:54,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:48:54" (3/3) ... [2022-12-14 12:48:54,118 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2022-12-14 12:48:54,132 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:48:54,132 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 12:48:54,200 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:48:54,205 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;@2b682b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:48:54,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 12:48:54,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 1579 states, 904 states have (on average 1.2444690265486726) internal successors, (1125), 926 states have internal predecessors, (1125), 606 states have call successors, (606), 67 states have call predecessors, (606), 66 states have return successors, (601), 595 states have call predecessors, (601), 601 states have call successors, (601) [2022-12-14 12:48:54,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-12-14 12:48:54,225 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:54,226 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:48:54,226 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 12:48:54,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:54,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1857088048, now seen corresponding path program 1 times [2022-12-14 12:48:54,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:54,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014932696] [2022-12-14 12:48:54,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:54,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:54,879 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-12-14 12:48:54,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:54,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014932696] [2022-12-14 12:48:54,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014932696] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:48:54,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:48:54,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:48:54,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428727262] [2022-12-14 12:48:54,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:48:54,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:48:54,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:48:54,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:48:54,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:48:54,919 INFO L87 Difference]: Start difference. First operand has 1579 states, 904 states have (on average 1.2444690265486726) internal successors, (1125), 926 states have internal predecessors, (1125), 606 states have call successors, (606), 67 states have call predecessors, (606), 66 states have return successors, (601), 595 states have call predecessors, (601), 601 states have call successors, (601) 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-14 12:48:57,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:48:59,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:49:02,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:49:05,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:49:06,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:49:06,263 INFO L93 Difference]: Finished difference Result 4445 states and 6583 transitions. [2022-12-14 12:49:06,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:49:06,265 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 117 [2022-12-14 12:49:06,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:49:06,291 INFO L225 Difference]: With dead ends: 4445 [2022-12-14 12:49:06,291 INFO L226 Difference]: Without dead ends: 2877 [2022-12-14 12:49:06,303 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 12:49:06,305 INFO L413 NwaCegarLoop]: 2727 mSDtfsCounter, 1933 mSDsluCounter, 2050 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1935 SdHoareTripleChecker+Valid, 4777 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:49:06,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1935 Valid, 4777 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 530 Invalid, 4 Unknown, 0 Unchecked, 11.0s Time] [2022-12-14 12:49:06,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2877 states. [2022-12-14 12:49:06,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2877 to 2870. [2022-12-14 12:49:06,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2870 states, 1647 states have (on average 1.2337583485124468) internal successors, (2032), 1686 states have internal predecessors, (2032), 1093 states have call successors, (1093), 128 states have call predecessors, (1093), 127 states have return successors, (1090), 1078 states have call predecessors, (1090), 1090 states have call successors, (1090) [2022-12-14 12:49:06,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 4215 transitions. [2022-12-14 12:49:06,509 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 4215 transitions. Word has length 117 [2022-12-14 12:49:06,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:49:06,509 INFO L495 AbstractCegarLoop]: Abstraction has 2870 states and 4215 transitions. [2022-12-14 12:49:06,510 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-14 12:49:06,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 4215 transitions. [2022-12-14 12:49:06,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-14 12:49:06,513 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:49:06,513 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:49:06,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:49:06,514 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 12:49:06,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:49:06,514 INFO L85 PathProgramCache]: Analyzing trace with hash -2007488345, now seen corresponding path program 1 times [2022-12-14 12:49:06,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:49:06,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881425158] [2022-12-14 12:49:06,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:49:06,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:49:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:49:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-12-14 12:49:06,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:49:06,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881425158] [2022-12-14 12:49:06,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881425158] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:49:06,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:49:06,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:49:06,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522470452] [2022-12-14 12:49:06,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:49:06,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:49:06,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:49:06,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:49:06,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:49:06,767 INFO L87 Difference]: Start difference. First operand 2870 states and 4215 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-14 12:49:08,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:49:12,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:49:15,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:49:18,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:49:18,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:49:18,263 INFO L93 Difference]: Finished difference Result 8122 states and 11945 transitions. [2022-12-14 12:49:18,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:49:18,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 128 [2022-12-14 12:49:18,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:49:18,294 INFO L225 Difference]: With dead ends: 8122 [2022-12-14 12:49:18,294 INFO L226 Difference]: Without dead ends: 5273 [2022-12-14 12:49:18,309 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 12:49:18,310 INFO L413 NwaCegarLoop]: 2671 mSDtfsCounter, 1878 mSDsluCounter, 2032 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1880 SdHoareTripleChecker+Valid, 4703 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:49:18,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1880 Valid, 4703 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 505 Invalid, 3 Unknown, 0 Unchecked, 11.2s Time] [2022-12-14 12:49:18,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5273 states. [2022-12-14 12:49:18,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5273 to 5246. [2022-12-14 12:49:18,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5246 states, 3012 states have (on average 1.2347277556440903) internal successors, (3719), 3089 states have internal predecessors, (3719), 1996 states have call successors, (1996), 238 states have call predecessors, (1996), 235 states have return successors, (2003), 1962 states have call predecessors, (2003), 1993 states have call successors, (2003) [2022-12-14 12:49:18,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5246 states to 5246 states and 7718 transitions. [2022-12-14 12:49:18,648 INFO L78 Accepts]: Start accepts. Automaton has 5246 states and 7718 transitions. Word has length 128 [2022-12-14 12:49:18,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:49:18,649 INFO L495 AbstractCegarLoop]: Abstraction has 5246 states and 7718 transitions. [2022-12-14 12:49:18,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-14 12:49:18,649 INFO L276 IsEmpty]: Start isEmpty. Operand 5246 states and 7718 transitions. [2022-12-14 12:49:18,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-12-14 12:49:18,655 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:49:18,655 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:49:18,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:49:18,656 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 12:49:18,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:49:18,656 INFO L85 PathProgramCache]: Analyzing trace with hash 145668172, now seen corresponding path program 1 times [2022-12-14 12:49:18,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:49:18,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647125756] [2022-12-14 12:49:18,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:49:18,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:49:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:49:19,068 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2022-12-14 12:49:19,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:49:19,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647125756] [2022-12-14 12:49:19,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647125756] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:49:19,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:49:19,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:49:19,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521765123] [2022-12-14 12:49:19,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:49:19,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:49:19,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:49:19,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:49:19,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:49:19,071 INFO L87 Difference]: Start difference. First operand 5246 states and 7718 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, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 12:49:21,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:49:23,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:49:26,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:49:28,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:49:31,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:49:33,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:49:35,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:49:37,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:49:37,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:49:37,382 INFO L93 Difference]: Finished difference Result 7933 states and 11662 transitions. [2022-12-14 12:49:37,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:49:37,382 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, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2022-12-14 12:49:37,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:49:37,415 INFO L225 Difference]: With dead ends: 7933 [2022-12-14 12:49:37,415 INFO L226 Difference]: Without dead ends: 7931 [2022-12-14 12:49:37,419 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 12:49:37,419 INFO L413 NwaCegarLoop]: 2824 mSDtfsCounter, 2078 mSDsluCounter, 7666 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2091 SdHoareTripleChecker+Valid, 10490 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:49:37,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2091 Valid, 10490 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1154 Invalid, 4 Unknown, 0 Unchecked, 18.1s Time] [2022-12-14 12:49:37,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7931 states. [2022-12-14 12:49:37,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7931 to 7923. [2022-12-14 12:49:37,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7923 states, 4559 states have (on average 1.2375520947576222) internal successors, (5642), 4674 states have internal predecessors, (5642), 3002 states have call successors, (3002), 364 states have call predecessors, (3002), 359 states have return successors, (3011), 2950 states have call predecessors, (3011), 2996 states have call successors, (3011) [2022-12-14 12:49:37,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7923 states to 7923 states and 11655 transitions. [2022-12-14 12:49:37,888 INFO L78 Accepts]: Start accepts. Automaton has 7923 states and 11655 transitions. Word has length 155 [2022-12-14 12:49:37,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:49:37,888 INFO L495 AbstractCegarLoop]: Abstraction has 7923 states and 11655 transitions. [2022-12-14 12:49:37,889 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, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 12:49:37,889 INFO L276 IsEmpty]: Start isEmpty. Operand 7923 states and 11655 transitions. [2022-12-14 12:49:37,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-12-14 12:49:37,894 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:49:37,894 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 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] [2022-12-14 12:49:37,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 12:49:37,894 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 12:49:37,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:49:37,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1730353204, now seen corresponding path program 1 times [2022-12-14 12:49:37,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:49:37,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779936563] [2022-12-14 12:49:37,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:49:37,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:49:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:49:38,300 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2022-12-14 12:49:38,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:49:38,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779936563] [2022-12-14 12:49:38,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779936563] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:49:38,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:49:38,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:49:38,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504837656] [2022-12-14 12:49:38,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:49:38,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:49:38,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:49:38,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:49:38,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:49:38,302 INFO L87 Difference]: Start difference. First operand 7923 states and 11655 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 12:49:40,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:49:44,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:49:47,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:49:50,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:49:53,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:49:53,043 INFO L93 Difference]: Finished difference Result 7937 states and 11665 transitions. [2022-12-14 12:49:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:49:53,043 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 160 [2022-12-14 12:49:53,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:49:53,078 INFO L225 Difference]: With dead ends: 7937 [2022-12-14 12:49:53,078 INFO L226 Difference]: Without dead ends: 7935 [2022-12-14 12:49:53,084 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 12:49:53,085 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 2073 mSDsluCounter, 7666 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 10493 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-12-14 12:49:53,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2085 Valid, 10493 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1155 Invalid, 3 Unknown, 0 Unchecked, 14.5s Time] [2022-12-14 12:49:53,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7935 states. [2022-12-14 12:49:53,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7935 to 7927. [2022-12-14 12:49:53,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7927 states, 4562 states have (on average 1.2373958790004385) internal successors, (5645), 4677 states have internal predecessors, (5645), 3002 states have call successors, (3002), 365 states have call predecessors, (3002), 360 states have return successors, (3011), 2950 states have call predecessors, (3011), 2996 states have call successors, (3011) [2022-12-14 12:49:53,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7927 states to 7927 states and 11658 transitions. [2022-12-14 12:49:53,455 INFO L78 Accepts]: Start accepts. Automaton has 7927 states and 11658 transitions. Word has length 160 [2022-12-14 12:49:53,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:49:53,456 INFO L495 AbstractCegarLoop]: Abstraction has 7927 states and 11658 transitions. [2022-12-14 12:49:53,456 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 12:49:53,456 INFO L276 IsEmpty]: Start isEmpty. Operand 7927 states and 11658 transitions. [2022-12-14 12:49:53,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-14 12:49:53,460 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:49:53,460 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:49:53,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 12:49:53,460 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 12:49:53,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:49:53,461 INFO L85 PathProgramCache]: Analyzing trace with hash 62750732, now seen corresponding path program 1 times [2022-12-14 12:49:53,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:49:53,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390965477] [2022-12-14 12:49:53,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:49:53,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:49:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:49:53,809 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2022-12-14 12:49:53,809 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:49:53,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390965477] [2022-12-14 12:49:53,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390965477] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:49:53,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:49:53,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:49:53,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959801137] [2022-12-14 12:49:53,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:49:53,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:49:53,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:49:53,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:49:53,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:49:53,811 INFO L87 Difference]: Start difference. First operand 7927 states and 11658 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 12:49:56,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:49:59,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:50:03,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:50:07,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:50:07,862 INFO L93 Difference]: Finished difference Result 7941 states and 11668 transitions. [2022-12-14 12:50:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:50:07,863 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 165 [2022-12-14 12:50:07,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:50:07,904 INFO L225 Difference]: With dead ends: 7941 [2022-12-14 12:50:07,904 INFO L226 Difference]: Without dead ends: 7939 [2022-12-14 12:50:07,908 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 12:50:07,909 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 2073 mSDsluCounter, 7666 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2084 SdHoareTripleChecker+Valid, 10493 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:50:07,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2084 Valid, 10493 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1155 Invalid, 3 Unknown, 0 Unchecked, 13.8s Time] [2022-12-14 12:50:07,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7939 states. [2022-12-14 12:50:08,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7939 to 7931. [2022-12-14 12:50:08,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7931 states, 4565 states have (on average 1.2372398685651698) internal successors, (5648), 4680 states have internal predecessors, (5648), 3002 states have call successors, (3002), 366 states have call predecessors, (3002), 361 states have return successors, (3011), 2950 states have call predecessors, (3011), 2996 states have call successors, (3011) [2022-12-14 12:50:08,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7931 states to 7931 states and 11661 transitions. [2022-12-14 12:50:08,292 INFO L78 Accepts]: Start accepts. Automaton has 7931 states and 11661 transitions. Word has length 165 [2022-12-14 12:50:08,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:50:08,292 INFO L495 AbstractCegarLoop]: Abstraction has 7931 states and 11661 transitions. [2022-12-14 12:50:08,293 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 12:50:08,293 INFO L276 IsEmpty]: Start isEmpty. Operand 7931 states and 11661 transitions. [2022-12-14 12:50:08,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-12-14 12:50:08,298 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:50:08,298 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 6, 6, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:50:08,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 12:50:08,298 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 12:50:08,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:50:08,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1928634927, now seen corresponding path program 1 times [2022-12-14 12:50:08,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:50:08,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720605109] [2022-12-14 12:50:08,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:50:08,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:50:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:50:08,757 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2022-12-14 12:50:08,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:50:08,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720605109] [2022-12-14 12:50:08,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720605109] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:50:08,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:50:08,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:50:08,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466951628] [2022-12-14 12:50:08,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:50:08,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:50:08,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:50:08,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:50:08,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:50:08,759 INFO L87 Difference]: Start difference. First operand 7931 states and 11661 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 12:50:11,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:50:15,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:50:19,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:50:21,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:50:22,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:50:22,651 INFO L93 Difference]: Finished difference Result 10484 states and 15380 transitions. [2022-12-14 12:50:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:50:22,652 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 179 [2022-12-14 12:50:22,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:50:22,686 INFO L225 Difference]: With dead ends: 10484 [2022-12-14 12:50:22,686 INFO L226 Difference]: Without dead ends: 10482 [2022-12-14 12:50:22,691 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 12:50:22,692 INFO L413 NwaCegarLoop]: 2807 mSDtfsCounter, 1951 mSDsluCounter, 7626 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1961 SdHoareTripleChecker+Valid, 10433 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-12-14 12:50:22,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1961 Valid, 10433 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1151 Invalid, 4 Unknown, 0 Unchecked, 13.5s Time] [2022-12-14 12:50:22,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10482 states. [2022-12-14 12:50:23,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10482 to 10472. [2022-12-14 12:50:23,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10472 states, 6013 states have (on average 1.2346582404789623) internal successors, (7424), 6166 states have internal predecessors, (7424), 3968 states have call successors, (3968), 495 states have call predecessors, (3968), 488 states have return successors, (3979), 3896 states have call predecessors, (3979), 3959 states have call successors, (3979) [2022-12-14 12:50:23,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10472 states to 10472 states and 15371 transitions. [2022-12-14 12:50:23,298 INFO L78 Accepts]: Start accepts. Automaton has 10472 states and 15371 transitions. Word has length 179 [2022-12-14 12:50:23,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:50:23,298 INFO L495 AbstractCegarLoop]: Abstraction has 10472 states and 15371 transitions. [2022-12-14 12:50:23,299 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 12:50:23,299 INFO L276 IsEmpty]: Start isEmpty. Operand 10472 states and 15371 transitions. [2022-12-14 12:50:23,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-14 12:50:23,306 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:50:23,306 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:50:23,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 12:50:23,306 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 12:50:23,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:50:23,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1707653172, now seen corresponding path program 1 times [2022-12-14 12:50:23,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:50:23,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810865819] [2022-12-14 12:50:23,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:50:23,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:50:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:50:23,671 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2022-12-14 12:50:23,671 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:50:23,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810865819] [2022-12-14 12:50:23,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810865819] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:50:23,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:50:23,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:50:23,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656306966] [2022-12-14 12:50:23,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:50:23,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:50:23,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:50:23,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:50:23,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:50:23,673 INFO L87 Difference]: Start difference. First operand 10472 states and 15371 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 12:50:25,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:50:29,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:50:30,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:50:32,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:50:35,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:50:37,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:50:37,199 INFO L93 Difference]: Finished difference Result 10490 states and 15385 transitions. [2022-12-14 12:50:37,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:50:37,200 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 175 [2022-12-14 12:50:37,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:50:37,248 INFO L225 Difference]: With dead ends: 10490 [2022-12-14 12:50:37,248 INFO L226 Difference]: Without dead ends: 10488 [2022-12-14 12:50:37,255 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 12:50:37,255 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 2073 mSDsluCounter, 7666 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2082 SdHoareTripleChecker+Valid, 10493 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:50:37,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2082 Valid, 10493 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1155 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2022-12-14 12:50:37,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10488 states. [2022-12-14 12:50:37,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10488 to 10480. [2022-12-14 12:50:37,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10480 states, 6019 states have (on average 1.2344243229772387) internal successors, (7430), 6172 states have internal predecessors, (7430), 3968 states have call successors, (3968), 497 states have call predecessors, (3968), 490 states have return successors, (3979), 3896 states have call predecessors, (3979), 3959 states have call successors, (3979) [2022-12-14 12:50:37,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10480 states to 10480 states and 15377 transitions. [2022-12-14 12:50:37,769 INFO L78 Accepts]: Start accepts. Automaton has 10480 states and 15377 transitions. Word has length 175 [2022-12-14 12:50:37,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:50:37,769 INFO L495 AbstractCegarLoop]: Abstraction has 10480 states and 15377 transitions. [2022-12-14 12:50:37,770 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 12:50:37,770 INFO L276 IsEmpty]: Start isEmpty. Operand 10480 states and 15377 transitions. [2022-12-14 12:50:37,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-12-14 12:50:37,773 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:50:37,773 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 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] [2022-12-14 12:50:37,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 12:50:37,774 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 12:50:37,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:50:37,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1161082031, now seen corresponding path program 1 times [2022-12-14 12:50:37,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:50:37,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481384351] [2022-12-14 12:50:37,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:50:37,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:50:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:50:38,057 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2022-12-14 12:50:38,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:50:38,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481384351] [2022-12-14 12:50:38,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481384351] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:50:38,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:50:38,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:50:38,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411476988] [2022-12-14 12:50:38,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:50:38,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:50:38,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:50:38,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:50:38,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:50:38,059 INFO L87 Difference]: Start difference. First operand 10480 states and 15377 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 12:50:40,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:50:45,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:50:47,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:50:48,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:50:50,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:50:53,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:50:54,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:50:56,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:50:59,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:51:01,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:51:01,102 INFO L93 Difference]: Finished difference Result 13183 states and 19341 transitions. [2022-12-14 12:51:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:51:01,103 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 189 [2022-12-14 12:51:01,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:51:01,157 INFO L225 Difference]: With dead ends: 13183 [2022-12-14 12:51:01,157 INFO L226 Difference]: Without dead ends: 13181 [2022-12-14 12:51:01,161 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 12:51:01,162 INFO L413 NwaCegarLoop]: 2785 mSDtfsCounter, 2082 mSDsluCounter, 7582 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2090 SdHoareTripleChecker+Valid, 10367 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:51:01,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2090 Valid, 10367 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1129 Invalid, 5 Unknown, 0 Unchecked, 22.6s Time] [2022-12-14 12:51:01,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13181 states. [2022-12-14 12:51:01,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13181 to 13174. [2022-12-14 12:51:01,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13174 states, 7577 states have (on average 1.2358453213672957) internal successors, (9364), 7767 states have internal predecessors, (9364), 4978 states have call successors, (4978), 625 states have call predecessors, (4978), 616 states have return successors, (4991), 4889 states have call predecessors, (4991), 4966 states have call successors, (4991) [2022-12-14 12:51:01,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13174 states to 13174 states and 19333 transitions. [2022-12-14 12:51:01,794 INFO L78 Accepts]: Start accepts. Automaton has 13174 states and 19333 transitions. Word has length 189 [2022-12-14 12:51:01,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:51:01,795 INFO L495 AbstractCegarLoop]: Abstraction has 13174 states and 19333 transitions. [2022-12-14 12:51:01,795 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 12:51:01,795 INFO L276 IsEmpty]: Start isEmpty. Operand 13174 states and 19333 transitions. [2022-12-14 12:51:01,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-12-14 12:51:01,799 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:51:01,799 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 7, 6, 6, 6, 6, 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] [2022-12-14 12:51:01,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 12:51:01,799 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 12:51:01,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:51:01,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1178736985, now seen corresponding path program 1 times [2022-12-14 12:51:01,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:51:01,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844045441] [2022-12-14 12:51:01,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:51:01,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:51:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:51:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2022-12-14 12:51:02,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:51:02,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844045441] [2022-12-14 12:51:02,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844045441] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:51:02,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:51:02,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:51:02,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264273247] [2022-12-14 12:51:02,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:51:02,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:51:02,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:51:02,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:51:02,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:51:02,108 INFO L87 Difference]: Start difference. First operand 13174 states and 19333 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 12:51:04,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:51:07,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:51:10,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:51:13,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:51:15,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:51:17,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:51:21,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:51:21,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:51:21,575 INFO L93 Difference]: Finished difference Result 16067 states and 23483 transitions. [2022-12-14 12:51:21,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:51:21,575 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 194 [2022-12-14 12:51:21,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:51:21,636 INFO L225 Difference]: With dead ends: 16067 [2022-12-14 12:51:21,636 INFO L226 Difference]: Without dead ends: 16065 [2022-12-14 12:51:21,641 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 12:51:21,641 INFO L413 NwaCegarLoop]: 2765 mSDtfsCounter, 2034 mSDsluCounter, 7539 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2041 SdHoareTripleChecker+Valid, 10304 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2022-12-14 12:51:21,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2041 Valid, 10304 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1099 Invalid, 6 Unknown, 0 Unchecked, 18.9s Time] [2022-12-14 12:51:21,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16065 states. [2022-12-14 12:51:22,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16065 to 16057. [2022-12-14 12:51:22,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16057 states, 9237 states have (on average 1.2355743206668832) internal successors, (11413), 9466 states have internal predecessors, (11413), 6022 states have call successors, (6022), 808 states have call predecessors, (6022), 795 states have return successors, (6037), 5912 states have call predecessors, (6037), 6007 states have call successors, (6037) [2022-12-14 12:51:22,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16057 states to 16057 states and 23472 transitions. [2022-12-14 12:51:22,403 INFO L78 Accepts]: Start accepts. Automaton has 16057 states and 23472 transitions. Word has length 194 [2022-12-14 12:51:22,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:51:22,403 INFO L495 AbstractCegarLoop]: Abstraction has 16057 states and 23472 transitions. [2022-12-14 12:51:22,403 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 12:51:22,403 INFO L276 IsEmpty]: Start isEmpty. Operand 16057 states and 23472 transitions. [2022-12-14 12:51:22,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-12-14 12:51:22,407 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:51:22,407 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 8, 7, 7, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:51:22,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 12:51:22,407 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 12:51:22,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:51:22,408 INFO L85 PathProgramCache]: Analyzing trace with hash -959273204, now seen corresponding path program 1 times [2022-12-14 12:51:22,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:51:22,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087952959] [2022-12-14 12:51:22,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:51:22,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:51:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:51:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2022-12-14 12:51:22,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:51:22,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087952959] [2022-12-14 12:51:22,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087952959] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:51:22,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:51:22,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:51:22,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243179194] [2022-12-14 12:51:22,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:51:22,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:51:22,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:51:22,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:51:22,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:51:22,666 INFO L87 Difference]: Start difference. First operand 16057 states and 23472 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, (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 12:51:24,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:51:28,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:51:30,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:51:33,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:51:35,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:51:37,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:51:39,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:51:39,074 INFO L93 Difference]: Finished difference Result 16075 states and 23486 transitions. [2022-12-14 12:51:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:51:39,074 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, (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 190 [2022-12-14 12:51:39,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:51:39,123 INFO L225 Difference]: With dead ends: 16075 [2022-12-14 12:51:39,123 INFO L226 Difference]: Without dead ends: 16073 [2022-12-14 12:51:39,129 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 12:51:39,130 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 2073 mSDsluCounter, 7666 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2079 SdHoareTripleChecker+Valid, 10493 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:51:39,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2079 Valid, 10493 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1150 Invalid, 5 Unknown, 0 Unchecked, 15.8s Time] [2022-12-14 12:51:39,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16073 states. [2022-12-14 12:51:39,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16073 to 16065. [2022-12-14 12:51:39,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16065 states, 9243 states have (on average 1.235421399978362) internal successors, (11419), 9472 states have internal predecessors, (11419), 6022 states have call successors, (6022), 810 states have call predecessors, (6022), 797 states have return successors, (6037), 5912 states have call predecessors, (6037), 6007 states have call successors, (6037) [2022-12-14 12:51:39,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16065 states to 16065 states and 23478 transitions. [2022-12-14 12:51:39,984 INFO L78 Accepts]: Start accepts. Automaton has 16065 states and 23478 transitions. Word has length 190 [2022-12-14 12:51:39,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:51:39,985 INFO L495 AbstractCegarLoop]: Abstraction has 16065 states and 23478 transitions. [2022-12-14 12:51:39,985 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, (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 12:51:39,985 INFO L276 IsEmpty]: Start isEmpty. Operand 16065 states and 23478 transitions. [2022-12-14 12:51:39,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-12-14 12:51:39,990 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:51:39,990 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 9, 8, 8, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:51:39,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 12:51:39,990 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 12:51:39,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:51:39,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1569990836, now seen corresponding path program 1 times [2022-12-14 12:51:39,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:51:39,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140908440] [2022-12-14 12:51:39,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:51:39,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:51:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:51:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-12-14 12:51:40,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:51:40,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140908440] [2022-12-14 12:51:40,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140908440] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:51:40,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:51:40,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:51:40,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321782417] [2022-12-14 12:51:40,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:51:40,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:51:40,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:51:40,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:51:40,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:51:40,329 INFO L87 Difference]: Start difference. First operand 16065 states and 23478 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, (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 12:51:42,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:51:46,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:51:49,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:51:51,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:51:54,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:51:56,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:51:57,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:51:57,504 INFO L93 Difference]: Finished difference Result 16083 states and 23492 transitions. [2022-12-14 12:51:57,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:51:57,505 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, (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 195 [2022-12-14 12:51:57,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:51:57,550 INFO L225 Difference]: With dead ends: 16083 [2022-12-14 12:51:57,550 INFO L226 Difference]: Without dead ends: 16081 [2022-12-14 12:51:57,557 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 12:51:57,557 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 2073 mSDsluCounter, 7666 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 10493 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:51:57,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2078 Valid, 10493 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1150 Invalid, 5 Unknown, 0 Unchecked, 16.6s Time] [2022-12-14 12:51:57,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16081 states. [2022-12-14 12:51:58,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16081 to 16073. [2022-12-14 12:51:58,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16073 states, 9249 states have (on average 1.235268677694886) internal successors, (11425), 9478 states have internal predecessors, (11425), 6022 states have call successors, (6022), 812 states have call predecessors, (6022), 799 states have return successors, (6037), 5912 states have call predecessors, (6037), 6007 states have call successors, (6037) [2022-12-14 12:51:58,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16073 states to 16073 states and 23484 transitions. [2022-12-14 12:51:58,348 INFO L78 Accepts]: Start accepts. Automaton has 16073 states and 23484 transitions. Word has length 195 [2022-12-14 12:51:58,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:51:58,348 INFO L495 AbstractCegarLoop]: Abstraction has 16073 states and 23484 transitions. [2022-12-14 12:51:58,348 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, (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 12:51:58,348 INFO L276 IsEmpty]: Start isEmpty. Operand 16073 states and 23484 transitions. [2022-12-14 12:51:58,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-12-14 12:51:58,352 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:51:58,352 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 10, 9, 9, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:51:58,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 12:51:58,352 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 12:51:58,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:51:58,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1952704204, now seen corresponding path program 1 times [2022-12-14 12:51:58,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:51:58,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705703348] [2022-12-14 12:51:58,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:51:58,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:51:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:51:58,611 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2022-12-14 12:51:58,611 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:51:58,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705703348] [2022-12-14 12:51:58,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705703348] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:51:58,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:51:58,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:51:58,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612583877] [2022-12-14 12:51:58,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:51:58,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:51:58,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:51:58,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:51:58,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:51:58,613 INFO L87 Difference]: Start difference. First operand 16073 states and 23484 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, (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 12:52:00,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:52:05,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:52:07,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:52:09,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:52:12,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:52:14,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:52:17,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:52:18,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:52:18,711 INFO L93 Difference]: Finished difference Result 16091 states and 23498 transitions. [2022-12-14 12:52:18,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:52:18,711 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, (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 200 [2022-12-14 12:52:18,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:52:18,785 INFO L225 Difference]: With dead ends: 16091 [2022-12-14 12:52:18,785 INFO L226 Difference]: Without dead ends: 16089 [2022-12-14 12:52:18,790 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 12:52:18,790 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 2073 mSDsluCounter, 7666 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2077 SdHoareTripleChecker+Valid, 10493 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:52:18,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2077 Valid, 10493 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1150 Invalid, 7 Unknown, 0 Unchecked, 19.2s Time] [2022-12-14 12:52:18,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16089 states. [2022-12-14 12:52:19,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16089 to 16081. [2022-12-14 12:52:19,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16081 states, 9255 states have (on average 1.2351161534305781) internal successors, (11431), 9484 states have internal predecessors, (11431), 6022 states have call successors, (6022), 814 states have call predecessors, (6022), 801 states have return successors, (6037), 5912 states have call predecessors, (6037), 6007 states have call successors, (6037) [2022-12-14 12:52:19,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16081 states to 16081 states and 23490 transitions. [2022-12-14 12:52:19,704 INFO L78 Accepts]: Start accepts. Automaton has 16081 states and 23490 transitions. Word has length 200 [2022-12-14 12:52:19,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:52:19,704 INFO L495 AbstractCegarLoop]: Abstraction has 16081 states and 23490 transitions. [2022-12-14 12:52:19,704 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, (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 12:52:19,704 INFO L276 IsEmpty]: Start isEmpty. Operand 16081 states and 23490 transitions. [2022-12-14 12:52:19,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-12-14 12:52:19,708 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:52:19,708 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:52:19,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 12:52:19,709 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 12:52:19,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:52:19,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1868128500, now seen corresponding path program 1 times [2022-12-14 12:52:19,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:52:19,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822044040] [2022-12-14 12:52:19,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:52:19,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:52:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:52:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2022-12-14 12:52:19,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:52:19,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822044040] [2022-12-14 12:52:19,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822044040] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:52:19,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:52:19,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:52:19,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321932428] [2022-12-14 12:52:19,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:52:19,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:52:19,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:52:19,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:52:19,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:52:19,947 INFO L87 Difference]: Start difference. First operand 16081 states and 23490 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, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 12:52:22,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:52:26,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:52:28,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:52:30,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:52:33,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:52:33,768 INFO L93 Difference]: Finished difference Result 16099 states and 23504 transitions. [2022-12-14 12:52:33,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:52:33,769 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, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 205 [2022-12-14 12:52:33,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:52:33,842 INFO L225 Difference]: With dead ends: 16099 [2022-12-14 12:52:33,843 INFO L226 Difference]: Without dead ends: 16095 [2022-12-14 12:52:33,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:52:33,856 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 2073 mSDsluCounter, 7666 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2076 SdHoareTripleChecker+Valid, 10493 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:52:33,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2076 Valid, 10493 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1151 Invalid, 4 Unknown, 0 Unchecked, 13.1s Time] [2022-12-14 12:52:33,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16095 states. [2022-12-14 12:52:34,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16095 to 16087. [2022-12-14 12:52:34,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16087 states, 9260 states have (on average 1.2348812095032398) internal successors, (11435), 9488 states have internal predecessors, (11435), 6022 states have call successors, (6022), 816 states have call predecessors, (6022), 802 states have return successors, (6037), 5912 states have call predecessors, (6037), 6007 states have call successors, (6037) [2022-12-14 12:52:34,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16087 states to 16087 states and 23494 transitions. [2022-12-14 12:52:34,705 INFO L78 Accepts]: Start accepts. Automaton has 16087 states and 23494 transitions. Word has length 205 [2022-12-14 12:52:34,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:52:34,705 INFO L495 AbstractCegarLoop]: Abstraction has 16087 states and 23494 transitions. [2022-12-14 12:52:34,705 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, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 12:52:34,706 INFO L276 IsEmpty]: Start isEmpty. Operand 16087 states and 23494 transitions. [2022-12-14 12:52:34,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-12-14 12:52:34,709 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:52:34,709 INFO L195 NwaCegarLoop]: trace histogram [14, 12, 11, 11, 10, 10, 10, 10, 10, 10, 6, 6, 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] [2022-12-14 12:52:34,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 12:52:34,710 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 12:52:34,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:52:34,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1428419537, now seen corresponding path program 1 times [2022-12-14 12:52:34,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:52:34,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209569775] [2022-12-14 12:52:34,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:52:34,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:52:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:52:34,982 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2022-12-14 12:52:34,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:52:34,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209569775] [2022-12-14 12:52:34,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209569775] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:52:34,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:52:34,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:52:34,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300321646] [2022-12-14 12:52:34,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:52:34,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:52:34,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:52:34,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:52:34,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:52:34,984 INFO L87 Difference]: Start difference. First operand 16087 states and 23494 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, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 12:52:37,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:52:40,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:52:42,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:52:44,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:52:47,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:52:49,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:52:51,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:52:52,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:52:52,257 INFO L93 Difference]: Finished difference Result 16101 states and 23504 transitions. [2022-12-14 12:52:52,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:52:52,257 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, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 219 [2022-12-14 12:52:52,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:52:52,314 INFO L225 Difference]: With dead ends: 16101 [2022-12-14 12:52:52,314 INFO L226 Difference]: Without dead ends: 15986 [2022-12-14 12:52:52,327 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 12:52:52,327 INFO L413 NwaCegarLoop]: 2830 mSDtfsCounter, 2069 mSDsluCounter, 7671 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2071 SdHoareTripleChecker+Valid, 10501 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:52:52,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2071 Valid, 10501 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1153 Invalid, 3 Unknown, 0 Unchecked, 16.6s Time] [2022-12-14 12:52:52,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15986 states. [2022-12-14 12:52:53,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15986 to 15978. [2022-12-14 12:52:53,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15978 states, 9200 states have (on average 1.2358695652173912) internal successors, (11370), 9424 states have internal predecessors, (11370), 5992 states have call successors, (5992), 796 states have call predecessors, (5992), 783 states have return successors, (6010), 5887 states have call predecessors, (6010), 5980 states have call successors, (6010) [2022-12-14 12:52:53,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15978 states to 15978 states and 23372 transitions. [2022-12-14 12:52:53,228 INFO L78 Accepts]: Start accepts. Automaton has 15978 states and 23372 transitions. Word has length 219 [2022-12-14 12:52:53,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:52:53,228 INFO L495 AbstractCegarLoop]: Abstraction has 15978 states and 23372 transitions. [2022-12-14 12:52:53,228 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, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 12:52:53,228 INFO L276 IsEmpty]: Start isEmpty. Operand 15978 states and 23372 transitions. [2022-12-14 12:52:53,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-12-14 12:52:53,232 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:52:53,232 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:52:53,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 12:52:53,232 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 12:52:53,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:52:53,233 INFO L85 PathProgramCache]: Analyzing trace with hash 146163746, now seen corresponding path program 1 times [2022-12-14 12:52:53,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:52:53,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823823304] [2022-12-14 12:52:53,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:52:53,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:52:53,306 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:52:53,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1814338287] [2022-12-14 12:52:53,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:52:53,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:52:53,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:52:53,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:52:53,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:52:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:52:54,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 3585 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 12:52:54,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:52:54,165 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2022-12-14 12:52:54,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:52:54,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:52:54,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823823304] [2022-12-14 12:52:54,165 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:52:54,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814338287] [2022-12-14 12:52:54,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814338287] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:52:54,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:52:54,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:52:54,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000898018] [2022-12-14 12:52:54,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:52:54,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:52:54,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:52:54,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:52:54,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:52:54,166 INFO L87 Difference]: Start difference. First operand 15978 states and 23372 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-14 12:52:56,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:52:59,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:53:03,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:53:05,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:53:05,679 INFO L93 Difference]: Finished difference Result 45771 states and 66965 transitions. [2022-12-14 12:53:05,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:53:05,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 219 [2022-12-14 12:53:05,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:53:05,783 INFO L225 Difference]: With dead ends: 45771 [2022-12-14 12:53:05,783 INFO L226 Difference]: Without dead ends: 29814 [2022-12-14 12:53:05,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 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 12:53:05,847 INFO L413 NwaCegarLoop]: 2689 mSDtfsCounter, 1966 mSDsluCounter, 1897 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 41 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1967 SdHoareTripleChecker+Valid, 4586 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:53:05,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1967 Valid, 4586 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 542 Invalid, 3 Unknown, 0 Unchecked, 10.2s Time] [2022-12-14 12:53:05,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29814 states. [2022-12-14 12:53:07,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29814 to 29686. [2022-12-14 12:53:07,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29686 states, 17088 states have (on average 1.2291081460674158) internal successors, (21003), 17515 states have internal predecessors, (21003), 11148 states have call successors, (11148), 1479 states have call predecessors, (11148), 1447 states have return successors, (11220), 10925 states have call predecessors, (11220), 11136 states have call successors, (11220) [2022-12-14 12:53:07,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29686 states to 29686 states and 43371 transitions. [2022-12-14 12:53:07,612 INFO L78 Accepts]: Start accepts. Automaton has 29686 states and 43371 transitions. Word has length 219 [2022-12-14 12:53:07,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:53:07,612 INFO L495 AbstractCegarLoop]: Abstraction has 29686 states and 43371 transitions. [2022-12-14 12:53:07,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-14 12:53:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 29686 states and 43371 transitions. [2022-12-14 12:53:07,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-12-14 12:53:07,619 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:53:07,619 INFO L195 NwaCegarLoop]: trace histogram [15, 12, 12, 12, 12, 12, 12, 4, 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] [2022-12-14 12:53:07,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:53:07,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-14 12:53:07,821 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 12:53:07,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:53:07,823 INFO L85 PathProgramCache]: Analyzing trace with hash -834108268, now seen corresponding path program 1 times [2022-12-14 12:53:07,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:53:07,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525101364] [2022-12-14 12:53:07,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:53:07,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:53:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:53:07,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:53:07,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525101364] [2022-12-14 12:53:07,950 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-14 12:53:07,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066038556] [2022-12-14 12:53:07,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:53:07,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:53:07,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:53:07,951 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:53:07,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 12:53:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:53:08,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 3650 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 12:53:08,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:53:08,815 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-12-14 12:53:08,815 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:53:08,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066038556] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:53:08,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:53:08,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:53:08,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44965098] [2022-12-14 12:53:08,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:53:08,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:53:08,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:53:08,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:53:08,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:53:08,816 INFO L87 Difference]: Start difference. First operand 29686 states and 43371 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-14 12:53:11,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:53:14,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:53:17,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:53:20,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:53:22,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:53:22,310 INFO L93 Difference]: Finished difference Result 73661 states and 107326 transitions. [2022-12-14 12:53:22,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:53:22,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 243 [2022-12-14 12:53:22,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:53:22,533 INFO L225 Difference]: With dead ends: 73661 [2022-12-14 12:53:22,533 INFO L226 Difference]: Without dead ends: 43996 [2022-12-14 12:53:22,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 241 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 12:53:22,622 INFO L413 NwaCegarLoop]: 2665 mSDtfsCounter, 1942 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 21 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1944 SdHoareTripleChecker+Valid, 4583 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:53:22,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1944 Valid, 4583 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 576 Invalid, 4 Unknown, 0 Unchecked, 11.4s Time] [2022-12-14 12:53:22,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43996 states. [2022-12-14 12:53:24,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43996 to 43868. [2022-12-14 12:53:24,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43868 states, 25230 states have (on average 1.2200158541418946) internal successors, (30781), 25860 states have internal predecessors, (30781), 16389 states have call successors, (16389), 2297 states have call predecessors, (16389), 2246 states have return successors, (16515), 16048 states have call predecessors, (16515), 16377 states have call successors, (16515) [2022-12-14 12:53:25,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43868 states to 43868 states and 63685 transitions. [2022-12-14 12:53:25,184 INFO L78 Accepts]: Start accepts. Automaton has 43868 states and 63685 transitions. Word has length 243 [2022-12-14 12:53:25,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:53:25,185 INFO L495 AbstractCegarLoop]: Abstraction has 43868 states and 63685 transitions. [2022-12-14 12:53:25,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-14 12:53:25,185 INFO L276 IsEmpty]: Start isEmpty. Operand 43868 states and 63685 transitions. [2022-12-14 12:53:25,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-12-14 12:53:25,190 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:53:25,190 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 8, 8, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:53:25,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 12:53:25,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-14 12:53:25,392 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 12:53:25,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:53:25,392 INFO L85 PathProgramCache]: Analyzing trace with hash 402151494, now seen corresponding path program 1 times [2022-12-14 12:53:25,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:53:25,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095599392] [2022-12-14 12:53:25,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:53:25,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:53:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:53:25,719 INFO L134 CoverageAnalysis]: Checked inductivity of 967 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2022-12-14 12:53:25,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:53:25,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095599392] [2022-12-14 12:53:25,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095599392] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:53:25,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:53:25,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:53:25,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089820655] [2022-12-14 12:53:25,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:53:25,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:53:25,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:53:25,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:53:25,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:53:25,721 INFO L87 Difference]: Start difference. First operand 43868 states and 63685 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-12-14 12:53:29,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:53:31,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:53:34,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:53:36,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:53:38,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:53:40,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:53:40,288 INFO L93 Difference]: Finished difference Result 95715 states and 138582 transitions. [2022-12-14 12:53:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:53:40,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 306 [2022-12-14 12:53:40,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:53:40,490 INFO L225 Difference]: With dead ends: 95715 [2022-12-14 12:53:40,490 INFO L226 Difference]: Without dead ends: 51868 [2022-12-14 12:53:40,633 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 12:53:40,634 INFO L413 NwaCegarLoop]: 3435 mSDtfsCounter, 1620 mSDsluCounter, 2027 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 17 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 5462 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:53:40,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1622 Valid, 5462 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 691 Invalid, 3 Unknown, 0 Unchecked, 12.2s Time] [2022-12-14 12:53:40,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51868 states. [2022-12-14 12:53:43,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51868 to 51711. [2022-12-14 12:53:43,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51711 states, 30167 states have (on average 1.21765505353532) internal successors, (36733), 30894 states have internal predecessors, (36733), 18708 states have call successors, (18708), 2885 states have call predecessors, (18708), 2833 states have return successors, (18826), 18287 states have call predecessors, (18826), 18696 states have call successors, (18826) [2022-12-14 12:53:43,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51711 states to 51711 states and 74267 transitions. [2022-12-14 12:53:43,530 INFO L78 Accepts]: Start accepts. Automaton has 51711 states and 74267 transitions. Word has length 306 [2022-12-14 12:53:43,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:53:43,530 INFO L495 AbstractCegarLoop]: Abstraction has 51711 states and 74267 transitions. [2022-12-14 12:53:43,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-12-14 12:53:43,530 INFO L276 IsEmpty]: Start isEmpty. Operand 51711 states and 74267 transitions. [2022-12-14 12:53:43,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2022-12-14 12:53:43,535 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:53:43,535 INFO L195 NwaCegarLoop]: trace histogram [21, 14, 14, 14, 14, 14, 14, 10, 10, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:53:43,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 12:53:43,535 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 12:53:43,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:53:43,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1747051397, now seen corresponding path program 1 times [2022-12-14 12:53:43,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:53:43,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971096111] [2022-12-14 12:53:43,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:53:43,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:53:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:53:43,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1127 trivial. 0 not checked. [2022-12-14 12:53:43,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:53:43,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971096111] [2022-12-14 12:53:43,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971096111] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:53:43,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:53:43,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:53:43,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374525234] [2022-12-14 12:53:43,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:53:43,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:53:43,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:53:43,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:53:43,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:53:43,800 INFO L87 Difference]: Start difference. First operand 51711 states and 74267 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-12-14 12:53:46,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:53:48,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:53:49,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:53:53,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:53:56,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:53:59,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:53:59,708 INFO L93 Difference]: Finished difference Result 118323 states and 169752 transitions. [2022-12-14 12:53:59,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:53:59,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 340 [2022-12-14 12:53:59,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:53:59,966 INFO L225 Difference]: With dead ends: 118323 [2022-12-14 12:53:59,966 INFO L226 Difference]: Without dead ends: 66684 [2022-12-14 12:54:00,128 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 12:54:00,129 INFO L413 NwaCegarLoop]: 3508 mSDtfsCounter, 1620 mSDsluCounter, 2020 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 15 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 5528 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-12-14 12:54:00,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1622 Valid, 5528 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 704 Invalid, 4 Unknown, 0 Unchecked, 12.9s Time] [2022-12-14 12:54:00,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66684 states. [2022-12-14 12:54:03,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66684 to 66559. [2022-12-14 12:54:03,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66559 states, 39025 states have (on average 1.2148878923766817) internal successors, (47411), 39953 states have internal predecessors, (47411), 23713 states have call successors, (23713), 3878 states have call predecessors, (23713), 3818 states have return successors, (23846), 23153 states have call predecessors, (23846), 23701 states have call successors, (23846) [2022-12-14 12:54:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66559 states to 66559 states and 94970 transitions. [2022-12-14 12:54:04,343 INFO L78 Accepts]: Start accepts. Automaton has 66559 states and 94970 transitions. Word has length 340 [2022-12-14 12:54:04,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:54:04,343 INFO L495 AbstractCegarLoop]: Abstraction has 66559 states and 94970 transitions. [2022-12-14 12:54:04,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-12-14 12:54:04,343 INFO L276 IsEmpty]: Start isEmpty. Operand 66559 states and 94970 transitions. [2022-12-14 12:54:04,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2022-12-14 12:54:04,351 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:54:04,351 INFO L195 NwaCegarLoop]: trace histogram [23, 16, 16, 14, 14, 14, 14, 14, 14, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 12:54:04,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 12:54:04,351 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 12:54:04,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:54:04,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1639751486, now seen corresponding path program 1 times [2022-12-14 12:54:04,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:54:04,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634782187] [2022-12-14 12:54:04,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:54:04,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:54:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:54:04,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1494 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1477 trivial. 0 not checked. [2022-12-14 12:54:04,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:54:04,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634782187] [2022-12-14 12:54:04,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634782187] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:54:04,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:54:04,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:54:04,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361532175] [2022-12-14 12:54:04,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:54:04,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:54:04,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:54:04,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:54:04,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:54:04,784 INFO L87 Difference]: Start difference. First operand 66559 states and 94970 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-12-14 12:54:09,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:54:13,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:54:16,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:54:22,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:54:22,060 INFO L93 Difference]: Finished difference Result 143292 states and 206759 transitions. [2022-12-14 12:54:22,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:54:22,061 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 411 [2022-12-14 12:54:22,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:54:22,444 INFO L225 Difference]: With dead ends: 143292 [2022-12-14 12:54:22,444 INFO L226 Difference]: Without dead ends: 89740 [2022-12-14 12:54:22,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:54:22,622 INFO L413 NwaCegarLoop]: 2757 mSDtfsCounter, 734 mSDsluCounter, 4888 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 177 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 7645 SdHoareTripleChecker+Invalid, 1164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:54:22,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 7645 Invalid, 1164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 984 Invalid, 3 Unknown, 0 Unchecked, 12.7s Time] [2022-12-14 12:54:22,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89740 states. [2022-12-14 12:54:26,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89740 to 66619. [2022-12-14 12:54:26,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66619 states, 39085 states have (on average 1.2145580145836) internal successors, (47471), 40013 states have internal predecessors, (47471), 23713 states have call successors, (23713), 3878 states have call predecessors, (23713), 3818 states have return successors, (23846), 23153 states have call predecessors, (23846), 23701 states have call successors, (23846) [2022-12-14 12:54:27,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66619 states to 66619 states and 95030 transitions. [2022-12-14 12:54:27,021 INFO L78 Accepts]: Start accepts. Automaton has 66619 states and 95030 transitions. Word has length 411 [2022-12-14 12:54:27,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:54:27,022 INFO L495 AbstractCegarLoop]: Abstraction has 66619 states and 95030 transitions. [2022-12-14 12:54:27,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-12-14 12:54:27,022 INFO L276 IsEmpty]: Start isEmpty. Operand 66619 states and 95030 transitions. [2022-12-14 12:54:27,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2022-12-14 12:54:27,028 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:54:27,028 INFO L195 NwaCegarLoop]: trace histogram [23, 16, 16, 14, 14, 14, 14, 14, 14, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 12:54:27,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 12:54:27,028 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 12:54:27,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:54:27,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1200725587, now seen corresponding path program 1 times [2022-12-14 12:54:27,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:54:27,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734691609] [2022-12-14 12:54:27,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:54:27,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:54:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:54:27,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1494 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1477 trivial. 0 not checked. [2022-12-14 12:54:27,458 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:54:27,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734691609] [2022-12-14 12:54:27,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734691609] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:54:27,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:54:27,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:54:27,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549949286] [2022-12-14 12:54:27,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:54:27,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:54:27,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:54:27,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:54:27,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:54:27,460 INFO L87 Difference]: Start difference. First operand 66619 states and 95030 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 12:54:31,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:54:35,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:54:38,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:54:40,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:54:48,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:54:48,863 INFO L93 Difference]: Finished difference Result 166344 states and 242475 transitions. [2022-12-14 12:54:48,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:54:48,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 420 [2022-12-14 12:54:48,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:54:49,293 INFO L225 Difference]: With dead ends: 166344 [2022-12-14 12:54:49,293 INFO L226 Difference]: Without dead ends: 112846 [2022-12-14 12:54:49,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:54:49,492 INFO L413 NwaCegarLoop]: 3233 mSDtfsCounter, 955 mSDsluCounter, 5373 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 287 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1267 SdHoareTripleChecker+Valid, 8606 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:54:49,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1267 Valid, 8606 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 1139 Invalid, 3 Unknown, 0 Unchecked, 15.0s Time] [2022-12-14 12:54:49,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112846 states. [2022-12-14 12:54:54,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112846 to 66667. [2022-12-14 12:54:54,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66667 states, 39133 states have (on average 1.214294840671556) internal successors, (47519), 40061 states have internal predecessors, (47519), 23713 states have call successors, (23713), 3878 states have call predecessors, (23713), 3818 states have return successors, (23846), 23153 states have call predecessors, (23846), 23701 states have call successors, (23846) [2022-12-14 12:54:54,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66667 states to 66667 states and 95078 transitions. [2022-12-14 12:54:54,967 INFO L78 Accepts]: Start accepts. Automaton has 66667 states and 95078 transitions. Word has length 420 [2022-12-14 12:54:54,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:54:54,967 INFO L495 AbstractCegarLoop]: Abstraction has 66667 states and 95078 transitions. [2022-12-14 12:54:54,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 12:54:54,967 INFO L276 IsEmpty]: Start isEmpty. Operand 66667 states and 95078 transitions. [2022-12-14 12:54:54,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2022-12-14 12:54:54,975 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:54:54,975 INFO L195 NwaCegarLoop]: trace histogram [23, 14, 14, 14, 14, 14, 14, 14, 14, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 12:54:54,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 12:54:54,976 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 12:54:54,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:54:54,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1856123780, now seen corresponding path program 1 times [2022-12-14 12:54:54,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:54:54,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888889971] [2022-12-14 12:54:54,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:54:54,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:54:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:54:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1414 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1408 trivial. 0 not checked. [2022-12-14 12:54:55,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:54:55,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888889971] [2022-12-14 12:54:55,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888889971] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:54:55,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:54:55,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:54:55,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437676965] [2022-12-14 12:54:55,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:54:55,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:54:55,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:54:55,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:54:55,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:54:55,637 INFO L87 Difference]: Start difference. First operand 66667 states and 95078 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 12:54:58,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:55:01,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:55:03,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:55:05,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:55:09,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:55:10,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:55:12,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:55:14,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:55:17,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:55:19,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:55:21,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:55:25,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:55:26,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:55:29,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:55:29,069 INFO L93 Difference]: Finished difference Result 66911 states and 95433 transitions. [2022-12-14 12:55:29,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:55:29,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 438 [2022-12-14 12:55:29,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:55:29,310 INFO L225 Difference]: With dead ends: 66911 [2022-12-14 12:55:29,310 INFO L226 Difference]: Without dead ends: 66800 [2022-12-14 12:55:29,338 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 12:55:29,339 INFO L413 NwaCegarLoop]: 2750 mSDtfsCounter, 2128 mSDsluCounter, 7514 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2128 SdHoareTripleChecker+Valid, 10264 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:55:29,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2128 Valid, 10264 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1121 Invalid, 9 Unknown, 0 Unchecked, 30.0s Time] [2022-12-14 12:55:29,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66800 states. [2022-12-14 12:55:33,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66800 to 66795. [2022-12-14 12:55:33,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66795 states, 39228 states have (on average 1.213393494442745) internal successors, (47599), 40129 states have internal predecessors, (47599), 23741 states have call successors, (23741), 3881 states have call predecessors, (23741), 3823 states have return successors, (23877), 23214 states have call predecessors, (23877), 23732 states have call successors, (23877) [2022-12-14 12:55:33,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66795 states to 66795 states and 95217 transitions. [2022-12-14 12:55:33,890 INFO L78 Accepts]: Start accepts. Automaton has 66795 states and 95217 transitions. Word has length 438 [2022-12-14 12:55:33,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:55:33,891 INFO L495 AbstractCegarLoop]: Abstraction has 66795 states and 95217 transitions. [2022-12-14 12:55:33,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 12:55:33,891 INFO L276 IsEmpty]: Start isEmpty. Operand 66795 states and 95217 transitions. [2022-12-14 12:55:33,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2022-12-14 12:55:33,905 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:55:33,905 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 24, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:55:33,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 12:55:33,906 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 12:55:33,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:55:33,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1161779599, now seen corresponding path program 1 times [2022-12-14 12:55:33,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:55:33,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309811889] [2022-12-14 12:55:33,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:55:33,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:55:34,066 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:55:34,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [382343438] [2022-12-14 12:55:34,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:55:34,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:55:34,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:55:34,068 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:55:34,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 12:55:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:55:35,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 5258 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 12:55:35,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:55:35,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2326 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 1852 trivial. 0 not checked. [2022-12-14 12:55:35,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:55:35,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:55:35,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309811889] [2022-12-14 12:55:35,137 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:55:35,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382343438] [2022-12-14 12:55:35,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382343438] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:55:35,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:55:35,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:55:35,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104505912] [2022-12-14 12:55:35,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:55:35,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:55:35,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:55:35,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:55:35,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:55:35,139 INFO L87 Difference]: Start difference. First operand 66795 states and 95217 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 3 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-12-14 12:55:37,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:55:40,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:55:43,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:55:46,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:55:51,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:55:51,577 INFO L93 Difference]: Finished difference Result 160610 states and 228326 transitions. [2022-12-14 12:55:51,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:55:51,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 3 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 548 [2022-12-14 12:55:51,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:55:51,934 INFO L225 Difference]: With dead ends: 160610 [2022-12-14 12:55:51,935 INFO L226 Difference]: Without dead ends: 93887 [2022-12-14 12:55:52,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 546 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 12:55:52,165 INFO L413 NwaCegarLoop]: 2661 mSDtfsCounter, 1800 mSDsluCounter, 1916 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 22 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1802 SdHoareTripleChecker+Valid, 4577 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:55:52,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1802 Valid, 4577 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 576 Invalid, 4 Unknown, 0 Unchecked, 10.7s Time] [2022-12-14 12:55:52,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93887 states. [2022-12-14 12:55:58,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93887 to 93705. [2022-12-14 12:55:58,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93705 states, 55248 states have (on average 1.203699681436432) internal successors, (66502), 56530 states have internal predecessors, (66502), 32957 states have call successors, (32957), 5588 states have call predecessors, (32957), 5497 states have return successors, (33174), 32160 states have call predecessors, (33174), 32948 states have call successors, (33174) [2022-12-14 12:55:58,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93705 states to 93705 states and 132633 transitions. [2022-12-14 12:55:58,741 INFO L78 Accepts]: Start accepts. Automaton has 93705 states and 132633 transitions. Word has length 548 [2022-12-14 12:55:58,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:55:58,741 INFO L495 AbstractCegarLoop]: Abstraction has 93705 states and 132633 transitions. [2022-12-14 12:55:58,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 3 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-12-14 12:55:58,741 INFO L276 IsEmpty]: Start isEmpty. Operand 93705 states and 132633 transitions. [2022-12-14 12:55:58,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2022-12-14 12:55:58,758 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:55:58,758 INFO L195 NwaCegarLoop]: trace histogram [29, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:55:58,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 12:55:58,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-12-14 12:55:58,960 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 12:55:58,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:55:58,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1309972457, now seen corresponding path program 1 times [2022-12-14 12:55:58,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:55:58,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103159996] [2022-12-14 12:55:58,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:55:58,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:55:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:55:59,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1862 trivial. 0 not checked. [2022-12-14 12:55:59,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:55:59,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103159996] [2022-12-14 12:55:59,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103159996] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:55:59,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:55:59,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:55:59,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463023441] [2022-12-14 12:55:59,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:55:59,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:55:59,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:55:59,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:55:59,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:55:59,292 INFO L87 Difference]: Start difference. First operand 93705 states and 132633 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 3 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (82), 3 states have call predecessors, (82), 3 states have call successors, (82) [2022-12-14 12:56:03,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:56:07,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:56:08,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:56:09,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:56:11,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:56:18,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:56:18,339 INFO L93 Difference]: Finished difference Result 217224 states and 311728 transitions. [2022-12-14 12:56:18,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:56:18,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 3 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (82), 3 states have call predecessors, (82), 3 states have call successors, (82) Word has length 523 [2022-12-14 12:56:18,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:56:18,968 INFO L225 Difference]: With dead ends: 217224 [2022-12-14 12:56:18,968 INFO L226 Difference]: Without dead ends: 123591 [2022-12-14 12:56:19,386 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 12:56:19,387 INFO L413 NwaCegarLoop]: 2689 mSDtfsCounter, 278 mSDsluCounter, 2241 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 4930 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:56:19,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 4930 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 521 Invalid, 3 Unknown, 0 Unchecked, 11.8s Time] [2022-12-14 12:56:19,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123591 states. [2022-12-14 12:56:27,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123591 to 94045. [2022-12-14 12:56:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94045 states, 55520 states have (on average 1.2039265129682997) internal successors, (66842), 56734 states have internal predecessors, (66842), 33025 states have call successors, (33025), 5588 states have call predecessors, (33025), 5497 states have return successors, (33242), 32228 states have call predecessors, (33242), 33016 states have call successors, (33242) [2022-12-14 12:56:27,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94045 states to 94045 states and 133109 transitions. [2022-12-14 12:56:27,656 INFO L78 Accepts]: Start accepts. Automaton has 94045 states and 133109 transitions. Word has length 523 [2022-12-14 12:56:27,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:56:27,657 INFO L495 AbstractCegarLoop]: Abstraction has 94045 states and 133109 transitions. [2022-12-14 12:56:27,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 3 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (82), 3 states have call predecessors, (82), 3 states have call successors, (82) [2022-12-14 12:56:27,657 INFO L276 IsEmpty]: Start isEmpty. Operand 94045 states and 133109 transitions. [2022-12-14 12:56:27,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2022-12-14 12:56:27,674 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:56:27,675 INFO L195 NwaCegarLoop]: trace histogram [29, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:56:27,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 12:56:27,675 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 12:56:27,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:56:27,675 INFO L85 PathProgramCache]: Analyzing trace with hash -840365577, now seen corresponding path program 1 times [2022-12-14 12:56:27,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:56:27,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265423724] [2022-12-14 12:56:27,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:56:27,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:56:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:56:28,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1862 trivial. 0 not checked. [2022-12-14 12:56:28,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:56:28,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265423724] [2022-12-14 12:56:28,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265423724] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:56:28,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:56:28,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:56:28,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948965624] [2022-12-14 12:56:28,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:56:28,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:56:28,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:56:28,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:56:28,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:56:28,140 INFO L87 Difference]: Start difference. First operand 94045 states and 133109 transitions. Second operand has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 3 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (82), 3 states have call predecessors, (82), 3 states have call successors, (82) [2022-12-14 12:56:30,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:56:33,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:56:38,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:56:42,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:56:50,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:56:50,855 INFO L93 Difference]: Finished difference Result 247586 states and 358693 transitions. [2022-12-14 12:56:50,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:56:50,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 3 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (82), 3 states have call predecessors, (82), 3 states have call successors, (82) Word has length 524 [2022-12-14 12:56:50,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:56:51,663 INFO L225 Difference]: With dead ends: 247586 [2022-12-14 12:56:51,663 INFO L226 Difference]: Without dead ends: 153613 [2022-12-14 12:56:52,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:56:52,037 INFO L413 NwaCegarLoop]: 3085 mSDtfsCounter, 562 mSDsluCounter, 5397 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 8482 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:56:52,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [958 Valid, 8482 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 815 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2022-12-14 12:56:52,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153613 states. [2022-12-14 12:57:00,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153613 to 94113. [2022-12-14 12:57:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94113 states, 55588 states have (on average 1.2036770526012808) internal successors, (66910), 56802 states have internal predecessors, (66910), 33025 states have call successors, (33025), 5588 states have call predecessors, (33025), 5497 states have return successors, (33242), 32228 states have call predecessors, (33242), 33016 states have call successors, (33242) [2022-12-14 12:57:01,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94113 states to 94113 states and 133177 transitions. [2022-12-14 12:57:01,327 INFO L78 Accepts]: Start accepts. Automaton has 94113 states and 133177 transitions. Word has length 524 [2022-12-14 12:57:01,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:01,328 INFO L495 AbstractCegarLoop]: Abstraction has 94113 states and 133177 transitions. [2022-12-14 12:57:01,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 3 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (82), 3 states have call predecessors, (82), 3 states have call successors, (82) [2022-12-14 12:57:01,328 INFO L276 IsEmpty]: Start isEmpty. Operand 94113 states and 133177 transitions. [2022-12-14 12:57:01,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2022-12-14 12:57:01,344 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:01,344 INFO L195 NwaCegarLoop]: trace histogram [29, 19, 18, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:57:01,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 12:57:01,344 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 12:57:01,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:01,345 INFO L85 PathProgramCache]: Analyzing trace with hash 944090022, now seen corresponding path program 1 times [2022-12-14 12:57:01,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:01,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621669735] [2022-12-14 12:57:01,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:01,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:01,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 1904 trivial. 0 not checked. [2022-12-14 12:57:01,756 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:01,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621669735] [2022-12-14 12:57:01,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621669735] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:57:01,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665470160] [2022-12-14 12:57:01,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:01,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:57:01,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:57:01,758 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:57:01,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b75aa8-6bcc-4c68-b5e3-dd6cfe7f42e6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 12:57:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:02,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 5261 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 12:57:02,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:57:03,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 336 proven. 4 refuted. 0 times theorem prover too weak. 1582 trivial. 0 not checked. [2022-12-14 12:57:03,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:57:03,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 1904 trivial. 0 not checked. [2022-12-14 12:57:03,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665470160] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:57:03,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [127710591] [2022-12-14 12:57:03,551 INFO L159 IcfgInterpreter]: Started Sifa with 287 locations of interest [2022-12-14 12:57:03,551 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:57:03,554 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:57:03,558 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:57:03,558 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs