./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.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_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/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_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/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_238764ba-1b9e-4a04-957f-a50fb1ad6d28/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 d46a0c21917156d86326b49faaf0b679a3e4aece26c641cfed6d2cba03552492 --- 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 16:02:42,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:02:42,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:02:42,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:02:42,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:02:42,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:02:42,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:02:42,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:02:42,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:02:42,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:02:42,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:02:42,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:02:42,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:02:42,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:02:42,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:02:42,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:02:42,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:02:42,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:02:42,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:02:42,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:02:42,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:02:42,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:02:42,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:02:42,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:02:42,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:02:42,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:02:42,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:02:42,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:02:42,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:02:42,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:02:42,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:02:42,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:02:42,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:02:42,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:02:42,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:02:42,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:02:42,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:02:42,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:02:42,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:02:42,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:02:42,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:02:42,358 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 16:02:42,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:02:42,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:02:42,380 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 16:02:42,380 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 16:02:42,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:02:42,381 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 16:02:42,381 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 16:02:42,382 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 16:02:42,382 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 16:02:42,382 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 16:02:42,382 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 16:02:42,382 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 16:02:42,383 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 16:02:42,383 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 16:02:42,383 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 16:02:42,383 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 16:02:42,383 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 16:02:42,384 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 16:02:42,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:02:42,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:02:42,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:02:42,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:02:42,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:02:42,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:02:42,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:02:42,385 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:02:42,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:02:42,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:02:42,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 16:02:42,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:02:42,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:02:42,387 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 16:02:42,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:02:42,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:02:42,387 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 16:02:42,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:02:42,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:02:42,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 16:02:42,388 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_238764ba-1b9e-4a04-957f-a50fb1ad6d28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d46a0c21917156d86326b49faaf0b679a3e4aece26c641cfed6d2cba03552492 [2022-12-14 16:02:42,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:02:42,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:02:42,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:02:42,605 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:02:42,606 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:02:42,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-12-14 16:02:45,211 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:02:45,579 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:02:45,579 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-12-14 16:02:45,607 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/data/e8c18d0ad/3fb46422a24d4a7f8da4a36d925f8bcd/FLAGb1f52d49d [2022-12-14 16:02:45,618 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/data/e8c18d0ad/3fb46422a24d4a7f8da4a36d925f8bcd [2022-12-14 16:02:45,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:02:45,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:02:45,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:02:45,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:02:45,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:02:45,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:02:45" (1/1) ... [2022-12-14 16:02:45,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46409a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:02:45, skipping insertion in model container [2022-12-14 16:02:45,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:02:45" (1/1) ... [2022-12-14 16:02:45,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:02:45,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:02:46,331 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 16:02:46,344 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 16:02:46,352 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 16:02:46,365 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 16:02:46,377 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 16:02:46,385 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 16:02:46,397 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 16:02:46,546 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 16:02:46,549 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 16:02:46,550 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 16:02:46,556 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 16:02:46,561 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 16:02:46,567 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-14 16:02:46,583 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 16:02:46,588 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 16:02:46,590 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 16:02:46,622 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 16:02:46,627 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 16:02:46,653 WARN L623 FunctionHandler]: Unknown extern function skb_tstamp_tx [2022-12-14 16:02:46,657 WARN L623 FunctionHandler]: Unknown extern function skb_clone_tx_timestamp [2022-12-14 16:02:46,709 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 16:02:46,710 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 16:02:46,719 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 16:02:46,719 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:46,736 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 16:02:46,793 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 16:02:46,798 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 16:02:46,828 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 16:02:46,899 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 16:02:46,987 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:46,991 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:46,996 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 16:02:47,000 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,005 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,010 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:02:47,014 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:47,110 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 16:02:47,111 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 16:02:47,111 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 16:02:47,117 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 16:02:47,122 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 16:02:47,127 WARN L623 FunctionHandler]: Unknown extern function ioport_map [2022-12-14 16:02:47,131 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 16:02:47,132 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 16:02:47,134 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 16:02:47,135 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 16:02:47,136 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 16:02:47,136 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 16:02:47,136 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 16:02:47,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,144 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 16:02:47,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,145 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 16:02:47,146 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 16:02:47,146 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 16:02:47,150 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:02:47,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,153 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,153 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,155 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,155 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,156 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 16:02:47,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,161 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,164 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,180 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,183 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,186 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 16:02:47,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,194 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,195 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,196 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,196 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,197 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:02:47,197 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,198 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,213 WARN L623 FunctionHandler]: Unknown extern function mii_check_media [2022-12-14 16:02:47,216 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 16:02:47,218 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 16:02:47,219 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 16:02:47,219 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,220 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,223 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,224 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,224 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 16:02:47,225 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 16:02:47,225 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 16:02:47,227 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,229 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,231 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,233 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,235 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,236 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,237 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,238 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:47,238 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:47,239 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 16:02:47,240 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:47,240 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,241 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,241 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,242 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,243 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,243 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,244 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:47,246 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,248 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,249 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 16:02:47,251 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,252 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 16:02:47,253 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,256 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,257 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,258 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 16:02:47,259 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,260 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 16:02:47,260 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,262 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,264 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,266 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,268 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,269 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,270 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,271 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,272 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,272 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:47,272 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,273 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:02:47,273 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,273 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:47,274 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,274 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,274 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,275 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 16:02:47,275 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 16:02:47,275 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 16:02:47,277 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,277 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:02:47,277 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:47,278 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 16:02:47,279 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,279 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,284 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,284 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:47,285 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,285 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,286 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 16:02:47,287 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,287 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,288 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,288 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,289 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,289 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,290 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,290 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,291 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,291 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:02:47,292 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,292 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,293 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,293 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,294 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:47,295 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:47,296 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,296 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,296 WARN L623 FunctionHandler]: Unknown extern function iowrite32_rep [2022-12-14 16:02:47,297 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 16:02:47,297 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,297 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,298 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,299 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,299 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 16:02:47,300 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:47,302 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,303 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,303 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,308 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:02:47,308 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:47,309 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,310 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,312 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,313 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:47,314 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,315 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,316 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,316 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,317 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,317 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,318 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,318 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,319 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,320 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,320 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,321 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,321 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,321 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,323 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,325 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,326 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,327 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,328 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:47,328 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,329 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,330 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,331 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,331 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,331 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:02:47,334 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,335 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,336 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,336 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,337 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,337 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,338 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:47,338 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,339 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,342 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,343 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,343 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,343 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:47,344 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,346 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,347 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,347 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 16:02:47,348 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:47,349 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,349 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,349 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,350 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 16:02:47,350 WARN L623 FunctionHandler]: Unknown extern function ioread32_rep [2022-12-14 16:02:47,351 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 16:02:47,351 WARN L623 FunctionHandler]: Unknown extern function ioread32_rep [2022-12-14 16:02:47,351 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,352 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 16:02:47,352 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 16:02:47,352 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,353 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,353 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,356 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,356 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,357 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,359 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,360 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 16:02:47,362 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 16:02:47,362 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 16:02:47,363 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 16:02:47,365 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,366 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,369 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,370 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,370 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,370 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,371 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,371 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,371 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:47,372 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:47,373 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 16:02:47,375 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:47,375 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:47,375 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,376 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:47,377 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,378 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 16:02:47,380 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 16:02:47,381 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:02:47,381 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,382 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:02:47,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,383 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,391 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-12-14 16:02:47,396 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-12-14 16:02:47,401 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-12-14 16:02:47,426 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 16:02:47,431 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 16:02:47,432 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 16:02:47,446 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 16:02:47,446 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-12-14 16:02:47,447 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 16:02:47,448 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,448 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,457 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-14 16:02:47,458 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,458 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,460 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 16:02:47,465 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:47,465 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 16:02:47,466 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 16:02:47,466 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 16:02:47,466 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 16:02:47,466 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,466 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 16:02:47,467 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 16:02:47,477 WARN L623 FunctionHandler]: Unknown extern function ioport_map [2022-12-14 16:02:47,477 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:47,477 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 16:02:47,857 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 16:02:47,857 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_ts_info [2022-12-14 16:02:47,858 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-14 16:02:47,858 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 16:02:47,859 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 16:02:47,860 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 16:02:47,862 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 16:02:47,862 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 16:02:47,869 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 16:02:47,875 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 16:02:47,880 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 16:02:47,882 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 16:02:47,883 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 16:02:47,884 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:47,884 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:47,885 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:47,885 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:47,885 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:47,885 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:47,885 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 16:02:47,886 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 16:02:47,886 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 16:02:47,887 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 16:02:47,887 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 16:02:47,888 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:47,889 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 16:02:47,889 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 16:02:47,890 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 16:02:47,890 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 16:02:47,890 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 16:02:47,891 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 16:02:47,891 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:47,891 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:47,892 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 16:02:47,892 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 16:02:47,892 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 16:02:47,892 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 16:02:47,893 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 16:02:47,893 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 16:02:47,941 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 16:02:47,941 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 16:02:47,950 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 16:02:48,483 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_238764ba-1b9e-4a04-957f-a50fb1ad6d28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450587,450600] [2022-12-14 16:02:48,485 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_238764ba-1b9e-4a04-957f-a50fb1ad6d28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450756,450769] [2022-12-14 16:02:48,486 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_238764ba-1b9e-4a04-957f-a50fb1ad6d28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450923,450936] [2022-12-14 16:02:48,487 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_238764ba-1b9e-4a04-957f-a50fb1ad6d28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[451091,451104] [2022-12-14 16:02:48,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:02:48,541 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:02:48,613 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 16:02:48,613 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 16:02:48,613 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 16:02:48,614 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 16:02:48,614 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 16:02:48,614 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 16:02:48,614 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 16:02:48,618 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 16:02:48,619 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 16:02:48,619 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 16:02:48,619 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 16:02:48,620 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 16:02:48,621 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-14 16:02:48,622 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 16:02:48,623 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 16:02:48,623 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 16:02:48,624 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 16:02:48,624 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 16:02:48,626 WARN L623 FunctionHandler]: Unknown extern function skb_tstamp_tx [2022-12-14 16:02:48,626 WARN L623 FunctionHandler]: Unknown extern function skb_clone_tx_timestamp [2022-12-14 16:02:48,627 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 16:02:48,627 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 16:02:48,627 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 16:02:48,628 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,628 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 16:02:48,629 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 16:02:48,630 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-12-14 16:02:48,632 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 16:02:48,634 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 16:02:48,637 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,638 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:48,638 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 16:02:48,639 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,639 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,639 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:02:48,640 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:48,642 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 16:02:48,643 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 16:02:48,643 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 16:02:48,643 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 16:02:48,644 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 16:02:48,644 WARN L623 FunctionHandler]: Unknown extern function ioport_map [2022-12-14 16:02:48,645 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 16:02:48,645 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 16:02:48,646 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 16:02:48,646 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 16:02:48,646 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 16:02:48,647 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 16:02:48,647 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 16:02:48,649 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,651 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,651 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,652 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 16:02:48,652 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,653 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 16:02:48,653 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 16:02:48,653 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 16:02:48,655 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:02:48,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,657 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,657 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,659 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 16:02:48,659 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,661 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,661 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,665 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,666 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,667 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 16:02:48,667 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,669 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,669 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,669 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,669 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,670 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:02:48,670 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,672 WARN L623 FunctionHandler]: Unknown extern function mii_check_media [2022-12-14 16:02:48,673 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 16:02:48,673 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 16:02:48,674 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 16:02:48,674 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,674 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,675 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,676 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,676 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,676 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 16:02:48,676 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 16:02:48,677 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 16:02:48,677 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,678 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,679 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,680 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,681 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,681 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,682 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,682 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:48,682 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:48,682 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 16:02:48,683 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:48,683 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,683 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,683 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,684 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,684 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,684 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,684 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:48,686 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,686 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,687 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 16:02:48,688 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,688 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 16:02:48,689 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,690 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,691 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,691 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 16:02:48,692 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,692 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 16:02:48,693 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,693 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,695 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,695 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,696 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,697 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,697 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,698 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,699 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,699 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:48,699 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,699 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:02:48,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,700 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:48,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,700 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,701 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 16:02:48,701 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 16:02:48,701 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 16:02:48,702 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,702 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:02:48,702 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:48,702 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 16:02:48,703 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,703 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,704 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,704 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:48,704 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,704 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,705 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 16:02:48,705 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,705 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,706 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,706 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,706 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,706 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,707 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,707 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,707 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,707 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:02:48,708 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,708 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,708 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,708 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,709 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:48,710 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:48,710 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,710 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,710 WARN L623 FunctionHandler]: Unknown extern function iowrite32_rep [2022-12-14 16:02:48,710 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 16:02:48,711 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,711 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,711 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,712 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,712 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 16:02:48,712 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:48,714 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,714 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,714 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,717 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:02:48,718 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:48,718 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,719 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,720 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,720 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:48,721 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,721 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,722 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,722 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,722 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,722 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,723 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,723 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,723 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,724 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,724 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,724 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,725 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,725 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,725 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,727 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,727 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,728 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,728 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:48,729 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,729 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,729 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,730 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,730 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,731 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:02:48,732 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,733 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,733 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,733 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,733 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,734 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,734 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,734 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:48,734 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,735 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,737 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,737 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,737 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,737 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:48,738 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,739 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,739 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,739 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 16:02:48,740 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:48,740 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,740 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,741 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,741 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 16:02:48,741 WARN L623 FunctionHandler]: Unknown extern function ioread32_rep [2022-12-14 16:02:48,742 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 16:02:48,742 WARN L623 FunctionHandler]: Unknown extern function ioread32_rep [2022-12-14 16:02:48,742 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,742 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 16:02:48,742 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 16:02:48,742 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,743 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,743 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,744 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,745 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,745 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,746 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,747 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 16:02:48,761 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 16:02:48,762 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 16:02:48,762 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 16:02:48,763 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,764 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,765 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,766 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,766 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,767 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,767 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,767 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,767 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:48,767 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:02:48,768 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 16:02:48,769 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 16:02:48,769 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 16:02:48,770 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,770 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 16:02:48,771 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,772 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 16:02:48,773 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 16:02:48,774 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:02:48,774 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,774 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:02:48,774 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,775 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,775 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,777 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-12-14 16:02:48,778 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-12-14 16:02:48,778 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-12-14 16:02:48,779 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 16:02:48,780 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 16:02:48,781 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 16:02:48,784 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 16:02:48,784 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-12-14 16:02:48,784 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 16:02:48,785 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,785 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,789 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-14 16:02:48,789 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,789 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,790 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,791 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 16:02:48,792 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:02:48,792 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 16:02:48,792 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 16:02:48,792 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 16:02:48,792 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 16:02:48,792 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,793 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 16:02:48,793 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 16:02:48,794 WARN L623 FunctionHandler]: Unknown extern function ioport_map [2022-12-14 16:02:48,794 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 16:02:48,794 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 16:02:48,798 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 16:02:48,798 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_ts_info [2022-12-14 16:02:48,798 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-14 16:02:48,799 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 16:02:48,799 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 16:02:48,800 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 16:02:48,801 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 16:02:48,801 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 16:02:48,806 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 16:02:48,809 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 16:02:48,831 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 16:02:48,836 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 16:02:48,837 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 16:02:48,841 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:48,841 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:48,841 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:48,841 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:48,841 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:48,842 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:48,842 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 16:02:48,842 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 16:02:48,842 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 16:02:48,843 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 16:02:48,843 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 16:02:48,844 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:48,844 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 16:02:48,844 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 16:02:48,845 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 16:02:48,845 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 16:02:48,845 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 16:02:48,846 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 16:02:48,846 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:48,846 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 16:02:48,846 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 16:02:48,846 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 16:02:48,847 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 16:02:48,847 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 16:02:48,847 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 16:02:48,847 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 16:02:48,849 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 16:02:48,849 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 16:02:48,849 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 16:02:48,863 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_238764ba-1b9e-4a04-957f-a50fb1ad6d28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450587,450600] [2022-12-14 16:02:48,863 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_238764ba-1b9e-4a04-957f-a50fb1ad6d28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450756,450769] [2022-12-14 16:02:48,864 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_238764ba-1b9e-4a04-957f-a50fb1ad6d28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450923,450936] [2022-12-14 16:02:48,864 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_238764ba-1b9e-4a04-957f-a50fb1ad6d28/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[451091,451104] [2022-12-14 16:02:48,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:02:49,167 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:02:49,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:02:49 WrapperNode [2022-12-14 16:02:49,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:02:49,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:02:49,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:02:49,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:02:49,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:02:49" (1/1) ... [2022-12-14 16:02:49,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:02:49" (1/1) ... [2022-12-14 16:02:49,398 INFO L138 Inliner]: procedures = 547, calls = 4350, calls flagged for inlining = 248, calls inlined = 226, statements flattened = 8732 [2022-12-14 16:02:49,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:02:49,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:02:49,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:02:49,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:02:49,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:02:49" (1/1) ... [2022-12-14 16:02:49,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:02:49" (1/1) ... [2022-12-14 16:02:49,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:02:49" (1/1) ... [2022-12-14 16:02:49,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:02:49" (1/1) ... [2022-12-14 16:02:49,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:02:49" (1/1) ... [2022-12-14 16:02:49,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:02:49" (1/1) ... [2022-12-14 16:02:49,627 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:02:49" (1/1) ... [2022-12-14 16:02:49,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:02:49" (1/1) ... [2022-12-14 16:02:49,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:02:49,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:02:49,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:02:49,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:02:49,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:02:49" (1/1) ... [2022-12-14 16:02:49,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:02:49,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:02:49,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 16:02:49,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 16:02:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 16:02:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 16:02:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 16:02:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 16:02:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-12-14 16:02:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-12-14 16:02:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-12-14 16:02:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-12-14 16:02:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-12-14 16:02:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-12-14 16:02:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 16:02:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 16:02:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-12-14 16:02:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-12-14 16:02:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 16:02:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 16:02:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 16:02:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 16:02:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-12-14 16:02:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-12-14 16:02:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2022-12-14 16:02:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2022-12-14 16:02:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-12-14 16:02:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-12-14 16:02:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 16:02:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 16:02:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-12-14 16:02:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-12-14 16:02:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-12-14 16:02:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-12-14 16:02:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 16:02:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 16:02:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-12-14 16:02:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-12-14 16:02:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-12-14 16:02:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-12-14 16:02:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-12-14 16:02:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-12-14 16:02:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-12-14 16:02:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-12-14 16:02:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-12-14 16:02:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-12-14 16:02:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 16:02:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 16:02:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2022-12-14 16:02:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2022-12-14 16:02:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 16:02:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 16:02:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-12-14 16:02:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-12-14 16:02:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-12-14 16:02:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-12-14 16:02:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-12-14 16:02:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-12-14 16:02:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 16:02:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 16:02:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 16:02:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 16:02:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 16:02:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 16:02:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-12-14 16:02:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-12-14 16:02:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-14 16:02:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-14 16:02:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-12-14 16:02:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-12-14 16:02:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 16:02:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 16:02:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 16:02:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 16:02:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-12-14 16:02:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-12-14 16:02:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 16:02:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 16:02:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2022-12-14 16:02:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2022-12-14 16:02:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-14 16:02:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-14 16:02:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:02:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-12-14 16:02:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-12-14 16:02:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-12-14 16:02:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-12-14 16:02:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 16:02:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 16:02:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 16:02:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 16:02:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 16:02:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-12-14 16:02:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-12-14 16:02:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-12-14 16:02:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-12-14 16:02:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-12-14 16:02:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-12-14 16:02:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 16:02:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 16:02:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-12-14 16:02:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-12-14 16:02:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 16:02:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 16:02:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 16:02:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 16:02:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 16:02:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 16:02:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-12-14 16:02:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-12-14 16:02:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-12-14 16:02:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-12-14 16:02:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 16:02:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 16:02:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 16:02:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 16:02:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 16:02:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 16:02:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 16:02:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 16:02:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 16:02:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 16:02:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-12-14 16:02:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-12-14 16:02:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_83 [2022-12-14 16:02:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_83 [2022-12-14 16:02:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-12-14 16:02:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-12-14 16:02:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-12-14 16:02:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-12-14 16:02:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 16:02:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 16:02:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-12-14 16:02:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-12-14 16:02:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 16:02:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 16:02:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-12-14 16:02:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-12-14 16:02:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 16:02:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 16:02:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 16:02:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-12-14 16:02:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-12-14 16:02:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-14 16:02:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-14 16:02:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:02:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 16:02:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 16:02:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 16:02:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 16:02:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 16:02:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-12-14 16:02:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-12-14 16:02:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 16:02:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 16:02:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-12-14 16:02:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-12-14 16:02:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 16:02:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 16:02:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_98 [2022-12-14 16:02:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_98 [2022-12-14 16:02:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-12-14 16:02:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-12-14 16:02:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 16:02:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 16:02:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-12-14 16:02:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-12-14 16:02:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-12-14 16:02:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-12-14 16:02:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-14 16:02:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-14 16:02:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-12-14 16:02:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-12-14 16:02:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-14 16:02:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-14 16:02:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-12-14 16:02:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-12-14 16:02:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 16:02:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 16:02:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-14 16:02:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-14 16:02:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-12-14 16:02:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-12-14 16:02:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-14 16:02:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-14 16:02:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-12-14 16:02:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-12-14 16:02:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-12-14 16:02:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-12-14 16:02:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-14 16:02:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-14 16:02:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-12-14 16:02:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-12-14 16:02:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-12-14 16:02:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-12-14 16:02:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-12-14 16:02:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-12-14 16:02:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-12-14 16:02:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-12-14 16:02:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-12-14 16:02:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-12-14 16:02:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-12-14 16:02:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-12-14 16:02:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:02:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:02:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-12-14 16:02:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-12-14 16:02:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 16:02:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 16:02:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 16:02:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 16:02:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 16:02:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 16:02:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 16:02:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 16:02:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-12-14 16:02:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-12-14 16:02:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-14 16:02:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-14 16:02:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 16:02:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 16:02:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-12-14 16:02:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-12-14 16:02:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 16:02:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 16:02:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-12-14 16:02:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-12-14 16:02:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:02:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-12-14 16:02:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-12-14 16:02:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-14 16:02:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-14 16:02:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 16:02:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-12-14 16:02:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-12-14 16:02:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-12-14 16:02:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-12-14 16:02:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2022-12-14 16:02:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2022-12-14 16:02:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 16:02:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 16:02:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 16:02:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2022-12-14 16:02:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2022-12-14 16:02:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-12-14 16:02:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-12-14 16:02:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 16:02:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 16:02:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 16:02:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 16:02:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-12-14 16:02:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-12-14 16:02:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2022-12-14 16:02:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2022-12-14 16:02:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-12-14 16:02:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-12-14 16:02:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-12-14 16:02:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-12-14 16:02:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2022-12-14 16:02:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2022-12-14 16:02:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2022-12-14 16:02:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2022-12-14 16:02:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-12-14 16:02:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-12-14 16:02:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-12-14 16:02:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-12-14 16:02:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-12-14 16:02:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-12-14 16:02:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-12-14 16:02:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-12-14 16:02:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-14 16:02:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-14 16:02:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 16:02:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 16:02:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-12-14 16:02:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-12-14 16:02:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 16:02:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 16:02:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-12-14 16:02:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-12-14 16:02:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2022-12-14 16:02:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2022-12-14 16:02:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 16:02:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-12-14 16:02:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-12-14 16:02:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-12-14 16:02:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-12-14 16:02:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-12-14 16:02:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-12-14 16:02:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 16:02:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 16:02:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-12-14 16:02:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-12-14 16:02:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-12-14 16:02:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-12-14 16:02:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2022-12-14 16:02:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2022-12-14 16:02:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-12-14 16:02:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-12-14 16:02:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2022-12-14 16:02:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2022-12-14 16:02:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2022-12-14 16:02:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2022-12-14 16:02:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-12-14 16:02:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-12-14 16:02:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2022-12-14 16:02:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2022-12-14 16:02:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-12-14 16:02:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-12-14 16:02:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-12-14 16:02:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-12-14 16:02:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-12-14 16:02:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-12-14 16:02:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 16:02:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 16:02:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-12-14 16:02:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-12-14 16:02:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-12-14 16:02:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-12-14 16:02:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-12-14 16:02:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-12-14 16:02:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-12-14 16:02:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-12-14 16:02:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 16:02:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 16:02:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:02:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 16:02:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 16:02:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-12-14 16:02:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-12-14 16:02:50,531 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:02:50,534 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:02:52,187 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 16:02:56,219 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:02:58,129 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:02:58,129 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 16:02:58,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:02:58 BoogieIcfgContainer [2022-12-14 16:02:58,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:02:58,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 16:02:58,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 16:02:58,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 16:02:58,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:02:45" (1/3) ... [2022-12-14 16:02:58,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab3cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:02:58, skipping insertion in model container [2022-12-14 16:02:58,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:02:49" (2/3) ... [2022-12-14 16:02:58,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab3cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:02:58, skipping insertion in model container [2022-12-14 16:02:58,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:02:58" (3/3) ... [2022-12-14 16:02:58,140 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-12-14 16:02:58,154 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 16:02:58,154 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 16:02:58,232 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 16:02:58,236 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;@2b9a76b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 16:02:58,237 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 16:02:58,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 2100 states, 1184 states have (on average 1.304054054054054) internal successors, (1544), 1272 states have internal predecessors, (1544), 758 states have call successors, (758), 155 states have call predecessors, (758), 154 states have return successors, (751), 733 states have call predecessors, (751), 751 states have call successors, (751) [2022-12-14 16:02:58,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 16:02:58,254 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:02:58,255 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:02:58,255 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 16:02:58,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:02:58,259 INFO L85 PathProgramCache]: Analyzing trace with hash 782686439, now seen corresponding path program 1 times [2022-12-14 16:02:58,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:02:58,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346466483] [2022-12-14 16:02:58,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:02:58,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:02:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:02:59,172 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 16:02:59,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:02:59,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346466483] [2022-12-14 16:02:59,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346466483] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:02:59,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:02:59,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:02:59,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554917994] [2022-12-14 16:02:59,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:02:59,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:02:59,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:02:59,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:02:59,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:02:59,213 INFO L87 Difference]: Start difference. First operand has 2100 states, 1184 states have (on average 1.304054054054054) internal successors, (1544), 1272 states have internal predecessors, (1544), 758 states have call successors, (758), 155 states have call predecessors, (758), 154 states have return successors, (751), 733 states have call predecessors, (751), 751 states have call successors, (751) Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 16:03:01,431 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 16:03:04,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:03:06,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:03:11,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:03:11,459 INFO L93 Difference]: Finished difference Result 5508 states and 8316 transitions. [2022-12-14 16:03:11,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:03:11,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2022-12-14 16:03:11,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:03:11,489 INFO L225 Difference]: With dead ends: 5508 [2022-12-14 16:03:11,489 INFO L226 Difference]: Without dead ends: 3414 [2022-12-14 16:03:11,507 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 16:03:11,510 INFO L413 NwaCegarLoop]: 3276 mSDtfsCounter, 2520 mSDsluCounter, 8617 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2536 SdHoareTripleChecker+Valid, 11893 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-12-14 16:03:11,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2536 Valid, 11893 Invalid, 1505 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1502 Invalid, 2 Unknown, 0 Unchecked, 11.9s Time] [2022-12-14 16:03:11,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3414 states. [2022-12-14 16:03:11,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3414 to 3407. [2022-12-14 16:03:11,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3407 states, 1903 states have (on average 1.2869153967419864) internal successors, (2449), 2039 states have internal predecessors, (2449), 1222 states have call successors, (1222), 280 states have call predecessors, (1222), 279 states have return successors, (1219), 1191 states have call predecessors, (1219), 1219 states have call successors, (1219) [2022-12-14 16:03:11,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 3407 states and 4890 transitions. [2022-12-14 16:03:11,740 INFO L78 Accepts]: Start accepts. Automaton has 3407 states and 4890 transitions. Word has length 37 [2022-12-14 16:03:11,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:03:11,740 INFO L495 AbstractCegarLoop]: Abstraction has 3407 states and 4890 transitions. [2022-12-14 16:03:11,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 16:03:11,741 INFO L276 IsEmpty]: Start isEmpty. Operand 3407 states and 4890 transitions. [2022-12-14 16:03:11,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 16:03:11,743 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:03:11,743 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:03:11,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 16:03:11,743 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 16:03:11,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:03:11,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1539844052, now seen corresponding path program 1 times [2022-12-14 16:03:11,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:03:11,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925221435] [2022-12-14 16:03:11,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:03:11,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:03:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:03:12,395 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 16:03:12,396 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:03:12,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925221435] [2022-12-14 16:03:12,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925221435] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:03:12,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:03:12,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:03:12,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273398719] [2022-12-14 16:03:12,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:03:12,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:03:12,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:03:12,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:03:12,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:03:12,399 INFO L87 Difference]: Start difference. First operand 3407 states and 4890 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 16:03:14,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:03:15,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:03:17,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:03:20,252 WARN L539 Checker$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 16:03:23,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:03:23,412 INFO L93 Difference]: Finished difference Result 3413 states and 4895 transitions. [2022-12-14 16:03:23,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:03:23,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2022-12-14 16:03:23,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:03:23,435 INFO L225 Difference]: With dead ends: 3413 [2022-12-14 16:03:23,436 INFO L226 Difference]: Without dead ends: 3411 [2022-12-14 16:03:23,438 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 16:03:23,439 INFO L413 NwaCegarLoop]: 2657 mSDtfsCounter, 3004 mSDsluCounter, 5293 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3016 SdHoareTripleChecker+Valid, 7950 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:03:23,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3016 Valid, 7950 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1136 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2022-12-14 16:03:23,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3411 states. [2022-12-14 16:03:23,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3411 to 3411. [2022-12-14 16:03:23,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3411 states, 1906 states have (on average 1.2864637985309548) internal successors, (2452), 2042 states have internal predecessors, (2452), 1222 states have call successors, (1222), 281 states have call predecessors, (1222), 280 states have return successors, (1219), 1191 states have call predecessors, (1219), 1219 states have call successors, (1219) [2022-12-14 16:03:23,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 3411 states and 4893 transitions. [2022-12-14 16:03:23,572 INFO L78 Accepts]: Start accepts. Automaton has 3411 states and 4893 transitions. Word has length 42 [2022-12-14 16:03:23,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:03:23,572 INFO L495 AbstractCegarLoop]: Abstraction has 3411 states and 4893 transitions. [2022-12-14 16:03:23,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 16:03:23,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3411 states and 4893 transitions. [2022-12-14 16:03:23,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 16:03:23,573 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:03:23,574 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:03:23,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 16:03:23,574 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 16:03:23,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:03:23,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1035357241, now seen corresponding path program 1 times [2022-12-14 16:03:23,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:03:23,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474707108] [2022-12-14 16:03:23,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:03:23,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:03:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:03:24,067 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 16:03:24,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:03:24,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474707108] [2022-12-14 16:03:24,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474707108] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:03:24,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:03:24,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:03:24,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670247767] [2022-12-14 16:03:24,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:03:24,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:03:24,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:03:24,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:03:24,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:03:24,069 INFO L87 Difference]: Start difference. First operand 3411 states and 4893 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 16:03:25,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:03:27,811 WARN L539 Checker$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 16:03:29,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:03:31,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:03:33,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:03:34,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:03:36,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:03:36,953 INFO L93 Difference]: Finished difference Result 3417 states and 4898 transitions. [2022-12-14 16:03:36,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:03:36,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2022-12-14 16:03:36,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:03:36,971 INFO L225 Difference]: With dead ends: 3417 [2022-12-14 16:03:36,971 INFO L226 Difference]: Without dead ends: 3415 [2022-12-14 16:03:36,974 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 16:03:36,975 INFO L413 NwaCegarLoop]: 2657 mSDtfsCounter, 3004 mSDsluCounter, 5293 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3015 SdHoareTripleChecker+Valid, 7950 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:03:36,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3015 Valid, 7950 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1135 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2022-12-14 16:03:36,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3415 states. [2022-12-14 16:03:37,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3415 to 3415. [2022-12-14 16:03:37,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3415 states, 1909 states have (on average 1.286013619696176) internal successors, (2455), 2045 states have internal predecessors, (2455), 1222 states have call successors, (1222), 282 states have call predecessors, (1222), 281 states have return successors, (1219), 1191 states have call predecessors, (1219), 1219 states have call successors, (1219) [2022-12-14 16:03:37,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3415 states to 3415 states and 4896 transitions. [2022-12-14 16:03:37,161 INFO L78 Accepts]: Start accepts. Automaton has 3415 states and 4896 transitions. Word has length 47 [2022-12-14 16:03:37,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:03:37,162 INFO L495 AbstractCegarLoop]: Abstraction has 3415 states and 4896 transitions. [2022-12-14 16:03:37,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 16:03:37,162 INFO L276 IsEmpty]: Start isEmpty. Operand 3415 states and 4896 transitions. [2022-12-14 16:03:37,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 16:03:37,165 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:03:37,166 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:03:37,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 16:03:37,166 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 16:03:37,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:03:37,166 INFO L85 PathProgramCache]: Analyzing trace with hash -2067466036, now seen corresponding path program 1 times [2022-12-14 16:03:37,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:03:37,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636028486] [2022-12-14 16:03:37,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:03:37,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:03:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:03:37,781 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-14 16:03:37,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:03:37,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636028486] [2022-12-14 16:03:37,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636028486] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:03:37,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:03:37,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:03:37,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320015057] [2022-12-14 16:03:37,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:03:37,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:03:37,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:03:37,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:03:37,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:03:37,783 INFO L87 Difference]: Start difference. First operand 3415 states and 4896 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 16:03:39,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:03:42,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:03:43,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:03:47,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:03:47,659 INFO L93 Difference]: Finished difference Result 3428 states and 4907 transitions. [2022-12-14 16:03:47,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:03:47,661 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 52 [2022-12-14 16:03:47,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:03:47,673 INFO L225 Difference]: With dead ends: 3428 [2022-12-14 16:03:47,673 INFO L226 Difference]: Without dead ends: 3426 [2022-12-14 16:03:47,675 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 16:03:47,675 INFO L413 NwaCegarLoop]: 3260 mSDtfsCounter, 2499 mSDsluCounter, 8574 mSDsCounter, 0 mSdLazyCounter, 1503 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2511 SdHoareTripleChecker+Valid, 11834 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1503 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:03:47,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2511 Valid, 11834 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1503 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2022-12-14 16:03:47,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3426 states. [2022-12-14 16:03:47,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3426 to 3419. [2022-12-14 16:03:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3419 states, 1912 states have (on average 1.2855648535564854) internal successors, (2458), 2048 states have internal predecessors, (2458), 1222 states have call successors, (1222), 283 states have call predecessors, (1222), 282 states have return successors, (1219), 1191 states have call predecessors, (1219), 1219 states have call successors, (1219) [2022-12-14 16:03:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 3419 states and 4899 transitions. [2022-12-14 16:03:47,860 INFO L78 Accepts]: Start accepts. Automaton has 3419 states and 4899 transitions. Word has length 52 [2022-12-14 16:03:47,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:03:47,860 INFO L495 AbstractCegarLoop]: Abstraction has 3419 states and 4899 transitions. [2022-12-14 16:03:47,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 16:03:47,861 INFO L276 IsEmpty]: Start isEmpty. Operand 3419 states and 4899 transitions. [2022-12-14 16:03:47,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 16:03:47,863 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:03:47,864 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:03:47,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 16:03:47,864 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 16:03:47,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:03:47,865 INFO L85 PathProgramCache]: Analyzing trace with hash -567138649, now seen corresponding path program 1 times [2022-12-14 16:03:47,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:03:47,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453850142] [2022-12-14 16:03:47,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:03:47,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:03:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:03:48,353 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-14 16:03:48,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:03:48,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453850142] [2022-12-14 16:03:48,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453850142] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:03:48,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:03:48,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:03:48,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702402686] [2022-12-14 16:03:48,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:03:48,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:03:48,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:03:48,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:03:48,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:03:48,355 INFO L87 Difference]: Start difference. First operand 3419 states and 4899 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 16:03:50,511 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 16:03:52,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:03:55,696 WARN L539 Checker$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 16:03:59,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:03:59,468 INFO L93 Difference]: Finished difference Result 3432 states and 4910 transitions. [2022-12-14 16:03:59,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:03:59,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 57 [2022-12-14 16:03:59,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:03:59,493 INFO L225 Difference]: With dead ends: 3432 [2022-12-14 16:03:59,493 INFO L226 Difference]: Without dead ends: 3430 [2022-12-14 16:03:59,496 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 16:03:59,496 INFO L413 NwaCegarLoop]: 3260 mSDtfsCounter, 2499 mSDsluCounter, 8574 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2510 SdHoareTripleChecker+Valid, 11834 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-12-14 16:03:59,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2510 Valid, 11834 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1502 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2022-12-14 16:03:59,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3430 states. [2022-12-14 16:03:59,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3430 to 3423. [2022-12-14 16:03:59,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3423 states, 1915 states have (on average 1.2851174934725849) internal successors, (2461), 2051 states have internal predecessors, (2461), 1222 states have call successors, (1222), 284 states have call predecessors, (1222), 283 states have return successors, (1219), 1191 states have call predecessors, (1219), 1219 states have call successors, (1219) [2022-12-14 16:03:59,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3423 states to 3423 states and 4902 transitions. [2022-12-14 16:03:59,714 INFO L78 Accepts]: Start accepts. Automaton has 3423 states and 4902 transitions. Word has length 57 [2022-12-14 16:03:59,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:03:59,714 INFO L495 AbstractCegarLoop]: Abstraction has 3423 states and 4902 transitions. [2022-12-14 16:03:59,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 16:03:59,715 INFO L276 IsEmpty]: Start isEmpty. Operand 3423 states and 4902 transitions. [2022-12-14 16:03:59,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 16:03:59,716 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:03:59,716 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:03:59,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 16:03:59,716 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 16:03:59,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:03:59,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1597275796, now seen corresponding path program 1 times [2022-12-14 16:03:59,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:03:59,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554158533] [2022-12-14 16:03:59,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:03:59,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:03:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:04:00,179 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-12-14 16:04:00,179 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:04:00,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554158533] [2022-12-14 16:04:00,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554158533] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:04:00,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:04:00,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:04:00,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106210406] [2022-12-14 16:04:00,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:04:00,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:04:00,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:04:00,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:04:00,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:04:00,181 INFO L87 Difference]: Start difference. First operand 3423 states and 4902 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 16:04:03,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:04:05,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:04:09,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:04:09,331 INFO L93 Difference]: Finished difference Result 3429 states and 4907 transitions. [2022-12-14 16:04:09,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:04:09,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 62 [2022-12-14 16:04:09,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:04:09,343 INFO L225 Difference]: With dead ends: 3429 [2022-12-14 16:04:09,343 INFO L226 Difference]: Without dead ends: 3427 [2022-12-14 16:04:09,345 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 16:04:09,345 INFO L413 NwaCegarLoop]: 2657 mSDtfsCounter, 3004 mSDsluCounter, 5293 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3012 SdHoareTripleChecker+Valid, 7950 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:04:09,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3012 Valid, 7950 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1136 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2022-12-14 16:04:09,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3427 states. [2022-12-14 16:04:09,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3427 to 3427. [2022-12-14 16:04:09,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3427 states, 1918 states have (on average 1.2846715328467153) internal successors, (2464), 2054 states have internal predecessors, (2464), 1222 states have call successors, (1222), 285 states have call predecessors, (1222), 284 states have return successors, (1219), 1191 states have call predecessors, (1219), 1219 states have call successors, (1219) [2022-12-14 16:04:09,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3427 states to 3427 states and 4905 transitions. [2022-12-14 16:04:09,483 INFO L78 Accepts]: Start accepts. Automaton has 3427 states and 4905 transitions. Word has length 62 [2022-12-14 16:04:09,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:04:09,483 INFO L495 AbstractCegarLoop]: Abstraction has 3427 states and 4905 transitions. [2022-12-14 16:04:09,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 16:04:09,483 INFO L276 IsEmpty]: Start isEmpty. Operand 3427 states and 4905 transitions. [2022-12-14 16:04:09,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-14 16:04:09,484 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:04:09,484 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:04:09,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 16:04:09,485 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 16:04:09,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:04:09,485 INFO L85 PathProgramCache]: Analyzing trace with hash 2051158407, now seen corresponding path program 1 times [2022-12-14 16:04:09,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:04:09,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834844216] [2022-12-14 16:04:09,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:04:09,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:04:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:04:09,884 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-14 16:04:09,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:04:09,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834844216] [2022-12-14 16:04:09,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834844216] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:04:09,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:04:09,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:04:09,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339733482] [2022-12-14 16:04:09,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:04:09,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:04:09,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:04:09,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:04:09,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:04:09,886 INFO L87 Difference]: Start difference. First operand 3427 states and 4905 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 16:04:11,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:04:13,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:04:15,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:04:18,010 WARN L539 Checker$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 16:04:19,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:04:23,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:04:23,001 INFO L93 Difference]: Finished difference Result 5231 states and 7435 transitions. [2022-12-14 16:04:23,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:04:23,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 67 [2022-12-14 16:04:23,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:04:23,019 INFO L225 Difference]: With dead ends: 5231 [2022-12-14 16:04:23,019 INFO L226 Difference]: Without dead ends: 5229 [2022-12-14 16:04:23,021 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 16:04:23,022 INFO L413 NwaCegarLoop]: 3411 mSDtfsCounter, 2698 mSDsluCounter, 8192 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2705 SdHoareTripleChecker+Valid, 11603 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:04:23,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2705 Valid, 11603 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1523 Invalid, 3 Unknown, 0 Unchecked, 12.8s Time] [2022-12-14 16:04:23,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5229 states. [2022-12-14 16:04:23,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5229 to 5221. [2022-12-14 16:04:23,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5221 states, 2900 states have (on average 1.2758620689655173) internal successors, (3700), 3102 states have internal predecessors, (3700), 1852 states have call successors, (1852), 479 states have call predecessors, (1852), 466 states have return successors, (1875), 1797 states have call predecessors, (1875), 1849 states have call successors, (1875) [2022-12-14 16:04:23,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5221 states to 5221 states and 7427 transitions. [2022-12-14 16:04:23,216 INFO L78 Accepts]: Start accepts. Automaton has 5221 states and 7427 transitions. Word has length 67 [2022-12-14 16:04:23,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:04:23,216 INFO L495 AbstractCegarLoop]: Abstraction has 5221 states and 7427 transitions. [2022-12-14 16:04:23,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 16:04:23,216 INFO L276 IsEmpty]: Start isEmpty. Operand 5221 states and 7427 transitions. [2022-12-14 16:04:23,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 16:04:23,217 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:04:23,218 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:04:23,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 16:04:23,218 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 16:04:23,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:04:23,218 INFO L85 PathProgramCache]: Analyzing trace with hash -28424658, now seen corresponding path program 1 times [2022-12-14 16:04:23,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:04:23,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252754500] [2022-12-14 16:04:23,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:04:23,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:04:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:04:23,605 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-14 16:04:23,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:04:23,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252754500] [2022-12-14 16:04:23,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252754500] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:04:23,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:04:23,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:04:23,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532862969] [2022-12-14 16:04:23,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:04:23,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:04:23,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:04:23,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:04:23,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:04:23,607 INFO L87 Difference]: Start difference. First operand 5221 states and 7427 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 16:04:25,766 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 16:04:27,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:04:29,860 WARN L539 Checker$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 16:04:31,864 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 16:04:35,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:04:35,782 INFO L93 Difference]: Finished difference Result 5234 states and 7438 transitions. [2022-12-14 16:04:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:04:35,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 80 [2022-12-14 16:04:35,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:04:35,801 INFO L225 Difference]: With dead ends: 5234 [2022-12-14 16:04:35,802 INFO L226 Difference]: Without dead ends: 5232 [2022-12-14 16:04:35,805 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 16:04:35,806 INFO L413 NwaCegarLoop]: 3260 mSDtfsCounter, 2493 mSDsluCounter, 8574 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2501 SdHoareTripleChecker+Valid, 11834 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-12-14 16:04:35,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2501 Valid, 11834 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1501 Invalid, 3 Unknown, 0 Unchecked, 11.9s Time] [2022-12-14 16:04:35,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5232 states. [2022-12-14 16:04:36,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5232 to 5225. [2022-12-14 16:04:36,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5225 states, 2903 states have (on average 1.2755769893213917) internal successors, (3703), 3105 states have internal predecessors, (3703), 1852 states have call successors, (1852), 480 states have call predecessors, (1852), 467 states have return successors, (1875), 1797 states have call predecessors, (1875), 1849 states have call successors, (1875) [2022-12-14 16:04:36,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5225 states to 5225 states and 7430 transitions. [2022-12-14 16:04:36,037 INFO L78 Accepts]: Start accepts. Automaton has 5225 states and 7430 transitions. Word has length 80 [2022-12-14 16:04:36,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:04:36,037 INFO L495 AbstractCegarLoop]: Abstraction has 5225 states and 7430 transitions. [2022-12-14 16:04:36,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 16:04:36,037 INFO L276 IsEmpty]: Start isEmpty. Operand 5225 states and 7430 transitions. [2022-12-14 16:04:36,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 16:04:36,039 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:04:36,039 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:04:36,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 16:04:36,039 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 16:04:36,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:04:36,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1680092057, now seen corresponding path program 1 times [2022-12-14 16:04:36,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:04:36,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242048804] [2022-12-14 16:04:36,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:04:36,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:04:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:04:36,439 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-12-14 16:04:36,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:04:36,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242048804] [2022-12-14 16:04:36,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242048804] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:04:36,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:04:36,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:04:36,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115192351] [2022-12-14 16:04:36,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:04:36,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:04:36,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:04:36,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:04:36,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:04:36,441 INFO L87 Difference]: Start difference. First operand 5225 states and 7430 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 16:04:38,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:04:40,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:04:43,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:04:47,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:04:47,536 INFO L93 Difference]: Finished difference Result 5539 states and 7785 transitions. [2022-12-14 16:04:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:04:47,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 77 [2022-12-14 16:04:47,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:04:47,552 INFO L225 Difference]: With dead ends: 5539 [2022-12-14 16:04:47,552 INFO L226 Difference]: Without dead ends: 5537 [2022-12-14 16:04:47,554 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 16:04:47,555 INFO L413 NwaCegarLoop]: 2684 mSDtfsCounter, 2936 mSDsluCounter, 5499 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2941 SdHoareTripleChecker+Valid, 8183 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:04:47,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2941 Valid, 8183 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1152 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2022-12-14 16:04:47,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5537 states. [2022-12-14 16:04:47,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5537 to 5533. [2022-12-14 16:04:47,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5533 states, 3055 states have (on average 1.2661211129296235) internal successors, (3868), 3258 states have internal predecessors, (3868), 1945 states have call successors, (1945), 543 states have call predecessors, (1945), 530 states have return successors, (1968), 1890 states have call predecessors, (1968), 1942 states have call successors, (1968) [2022-12-14 16:04:47,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5533 states to 5533 states and 7781 transitions. [2022-12-14 16:04:47,810 INFO L78 Accepts]: Start accepts. Automaton has 5533 states and 7781 transitions. Word has length 77 [2022-12-14 16:04:47,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:04:47,810 INFO L495 AbstractCegarLoop]: Abstraction has 5533 states and 7781 transitions. [2022-12-14 16:04:47,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 16:04:47,810 INFO L276 IsEmpty]: Start isEmpty. Operand 5533 states and 7781 transitions. [2022-12-14 16:04:47,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-14 16:04:47,812 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:04:47,812 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:04:47,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 16:04:47,812 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 16:04:47,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:04:47,812 INFO L85 PathProgramCache]: Analyzing trace with hash -2093167956, now seen corresponding path program 1 times [2022-12-14 16:04:47,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:04:47,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53593754] [2022-12-14 16:04:47,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:04:47,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:04:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:04:48,177 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-14 16:04:48,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:04:48,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53593754] [2022-12-14 16:04:48,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53593754] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:04:48,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:04:48,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:04:48,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883071430] [2022-12-14 16:04:48,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:04:48,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:04:48,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:04:48,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:04:48,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:04:48,179 INFO L87 Difference]: Start difference. First operand 5533 states and 7781 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 16:04:50,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:04:52,432 WARN L539 Checker$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 16:04:56,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:04:56,535 INFO L93 Difference]: Finished difference Result 5546 states and 7792 transitions. [2022-12-14 16:04:56,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:04:56,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 82 [2022-12-14 16:04:56,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:04:56,554 INFO L225 Difference]: With dead ends: 5546 [2022-12-14 16:04:56,554 INFO L226 Difference]: Without dead ends: 5544 [2022-12-14 16:04:56,557 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 16:04:56,557 INFO L413 NwaCegarLoop]: 3260 mSDtfsCounter, 2499 mSDsluCounter, 8574 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2505 SdHoareTripleChecker+Valid, 11834 SdHoareTripleChecker+Invalid, 1502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:04:56,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2505 Valid, 11834 Invalid, 1502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1499 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2022-12-14 16:04:56,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5544 states. [2022-12-14 16:04:56,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5544 to 5537. [2022-12-14 16:04:56,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5537 states, 3058 states have (on average 1.2658600392413342) internal successors, (3871), 3261 states have internal predecessors, (3871), 1945 states have call successors, (1945), 544 states have call predecessors, (1945), 531 states have return successors, (1968), 1890 states have call predecessors, (1968), 1942 states have call successors, (1968) [2022-12-14 16:04:56,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5537 states to 5537 states and 7784 transitions. [2022-12-14 16:04:56,944 INFO L78 Accepts]: Start accepts. Automaton has 5537 states and 7784 transitions. Word has length 82 [2022-12-14 16:04:56,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:04:56,944 INFO L495 AbstractCegarLoop]: Abstraction has 5537 states and 7784 transitions. [2022-12-14 16:04:56,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 16:04:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 5537 states and 7784 transitions. [2022-12-14 16:04:56,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-14 16:04:56,945 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:04:56,945 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:04:56,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 16:04:56,946 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 16:04:56,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:04:56,946 INFO L85 PathProgramCache]: Analyzing trace with hash -103206171, now seen corresponding path program 1 times [2022-12-14 16:04:56,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:04:56,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560451059] [2022-12-14 16:04:56,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:04:56,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:04:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:04:57,287 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-14 16:04:57,287 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:04:57,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560451059] [2022-12-14 16:04:57,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560451059] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:04:57,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:04:57,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:04:57,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171351780] [2022-12-14 16:04:57,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:04:57,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:04:57,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:04:57,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:04:57,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:04:57,289 INFO L87 Difference]: Start difference. First operand 5537 states and 7784 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 16:04:59,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:05:01,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:05:03,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:05:04,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:05:09,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:09,135 INFO L93 Difference]: Finished difference Result 5550 states and 7795 transitions. [2022-12-14 16:05:09,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:05:09,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 95 [2022-12-14 16:05:09,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:09,151 INFO L225 Difference]: With dead ends: 5550 [2022-12-14 16:05:09,151 INFO L226 Difference]: Without dead ends: 5548 [2022-12-14 16:05:09,153 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 16:05:09,154 INFO L413 NwaCegarLoop]: 3260 mSDtfsCounter, 2493 mSDsluCounter, 8574 mSDsCounter, 0 mSdLazyCounter, 1503 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2498 SdHoareTripleChecker+Valid, 11834 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1503 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:09,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2498 Valid, 11834 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1503 Invalid, 1 Unknown, 0 Unchecked, 11.5s Time] [2022-12-14 16:05:09,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5548 states. [2022-12-14 16:05:09,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5548 to 5541. [2022-12-14 16:05:09,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5541 states, 3061 states have (on average 1.2655994772950017) internal successors, (3874), 3264 states have internal predecessors, (3874), 1945 states have call successors, (1945), 545 states have call predecessors, (1945), 532 states have return successors, (1968), 1890 states have call predecessors, (1968), 1942 states have call successors, (1968) [2022-12-14 16:05:09,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5541 states to 5541 states and 7787 transitions. [2022-12-14 16:05:09,442 INFO L78 Accepts]: Start accepts. Automaton has 5541 states and 7787 transitions. Word has length 95 [2022-12-14 16:05:09,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:09,442 INFO L495 AbstractCegarLoop]: Abstraction has 5541 states and 7787 transitions. [2022-12-14 16:05:09,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 16:05:09,443 INFO L276 IsEmpty]: Start isEmpty. Operand 5541 states and 7787 transitions. [2022-12-14 16:05:09,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-14 16:05:09,444 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:09,444 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:05:09,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 16:05:09,444 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 16:05:09,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:09,445 INFO L85 PathProgramCache]: Analyzing trace with hash 453130423, now seen corresponding path program 1 times [2022-12-14 16:05:09,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:09,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788970001] [2022-12-14 16:05:09,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:09,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:09,827 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-14 16:05:09,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:09,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788970001] [2022-12-14 16:05:09,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788970001] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:09,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:09,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:05:09,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337917043] [2022-12-14 16:05:09,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:09,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:05:09,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:09,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:05:09,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:05:09,829 INFO L87 Difference]: Start difference. First operand 5541 states and 7787 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-14 16:05:11,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:05:13,770 WARN L539 Checker$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 16:05:15,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:15,939 INFO L93 Difference]: Finished difference Result 11019 states and 15457 transitions. [2022-12-14 16:05:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:05:15,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 94 [2022-12-14 16:05:15,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:15,956 INFO L225 Difference]: With dead ends: 11019 [2022-12-14 16:05:15,957 INFO L226 Difference]: Without dead ends: 5567 [2022-12-14 16:05:15,971 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 16:05:15,972 INFO L413 NwaCegarLoop]: 3172 mSDtfsCounter, 2563 mSDsluCounter, 2036 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2564 SdHoareTripleChecker+Valid, 5208 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:15,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2564 Valid, 5208 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 665 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-12-14 16:05:15,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5567 states. [2022-12-14 16:05:16,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5567 to 5559. [2022-12-14 16:05:16,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5559 states, 3070 states have (on average 1.2644951140065146) internal successors, (3882), 3274 states have internal predecessors, (3882), 1947 states have call successors, (1947), 552 states have call predecessors, (1947), 539 states have return successors, (1970), 1891 states have call predecessors, (1970), 1944 states have call successors, (1970) [2022-12-14 16:05:16,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5559 states to 5559 states and 7799 transitions. [2022-12-14 16:05:16,297 INFO L78 Accepts]: Start accepts. Automaton has 5559 states and 7799 transitions. Word has length 94 [2022-12-14 16:05:16,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:16,298 INFO L495 AbstractCegarLoop]: Abstraction has 5559 states and 7799 transitions. [2022-12-14 16:05:16,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-14 16:05:16,298 INFO L276 IsEmpty]: Start isEmpty. Operand 5559 states and 7799 transitions. [2022-12-14 16:05:16,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-14 16:05:16,300 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:16,300 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:05:16,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 16:05:16,301 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 16:05:16,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:16,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1679586484, now seen corresponding path program 1 times [2022-12-14 16:05:16,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:16,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546238914] [2022-12-14 16:05:16,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:16,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:16,799 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-12-14 16:05:16,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:16,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546238914] [2022-12-14 16:05:16,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546238914] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:16,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:16,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:05:16,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726564288] [2022-12-14 16:05:16,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:16,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:05:16,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:16,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:05:16,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:16,801 INFO L87 Difference]: Start difference. First operand 5559 states and 7799 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 16:05:18,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:05:21,265 WARN L539 Checker$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 16:05:23,330 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 16:05:27,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:27,830 INFO L93 Difference]: Finished difference Result 5573 states and 7810 transitions. [2022-12-14 16:05:27,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:05:27,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 92 [2022-12-14 16:05:27,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:27,849 INFO L225 Difference]: With dead ends: 5573 [2022-12-14 16:05:27,850 INFO L226 Difference]: Without dead ends: 5571 [2022-12-14 16:05:27,852 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 16:05:27,853 INFO L413 NwaCegarLoop]: 3167 mSDtfsCounter, 2545 mSDsluCounter, 8349 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2548 SdHoareTripleChecker+Valid, 11516 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:27,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2548 Valid, 11516 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1443 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2022-12-14 16:05:27,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2022-12-14 16:05:28,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 5563. [2022-12-14 16:05:28,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5563 states, 3073 states have (on average 1.2642369020501139) internal successors, (3885), 3277 states have internal predecessors, (3885), 1947 states have call successors, (1947), 553 states have call predecessors, (1947), 540 states have return successors, (1970), 1891 states have call predecessors, (1970), 1944 states have call successors, (1970) [2022-12-14 16:05:28,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5563 states to 5563 states and 7802 transitions. [2022-12-14 16:05:28,173 INFO L78 Accepts]: Start accepts. Automaton has 5563 states and 7802 transitions. Word has length 92 [2022-12-14 16:05:28,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:28,173 INFO L495 AbstractCegarLoop]: Abstraction has 5563 states and 7802 transitions. [2022-12-14 16:05:28,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 16:05:28,173 INFO L276 IsEmpty]: Start isEmpty. Operand 5563 states and 7802 transitions. [2022-12-14 16:05:28,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-12-14 16:05:28,175 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:28,175 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:05:28,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 16:05:28,175 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 16:05:28,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:28,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1606248379, now seen corresponding path program 1 times [2022-12-14 16:05:28,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:28,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062892003] [2022-12-14 16:05:28,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:28,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:28,585 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-12-14 16:05:28,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:28,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062892003] [2022-12-14 16:05:28,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062892003] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:28,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:28,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:05:28,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063244644] [2022-12-14 16:05:28,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:28,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:05:28,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:28,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:05:28,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:28,587 INFO L87 Difference]: Start difference. First operand 5563 states and 7802 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 16:05:31,023 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 16:05:32,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:05:34,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:05:35,045 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 16:05:39,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:39,420 INFO L93 Difference]: Finished difference Result 5576 states and 7812 transitions. [2022-12-14 16:05:39,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:05:39,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 105 [2022-12-14 16:05:39,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:39,441 INFO L225 Difference]: With dead ends: 5576 [2022-12-14 16:05:39,441 INFO L226 Difference]: Without dead ends: 5572 [2022-12-14 16:05:39,443 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 16:05:39,444 INFO L413 NwaCegarLoop]: 3171 mSDtfsCounter, 2486 mSDsluCounter, 8396 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2488 SdHoareTripleChecker+Valid, 11567 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:39,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2488 Valid, 11567 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1455 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time] [2022-12-14 16:05:39,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5572 states. [2022-12-14 16:05:39,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5572 to 5565. [2022-12-14 16:05:39,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5565 states, 3075 states have (on average 1.263739837398374) internal successors, (3886), 3278 states have internal predecessors, (3886), 1947 states have call successors, (1947), 554 states have call predecessors, (1947), 540 states have return successors, (1970), 1891 states have call predecessors, (1970), 1944 states have call successors, (1970) [2022-12-14 16:05:39,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5565 states to 5565 states and 7803 transitions. [2022-12-14 16:05:39,822 INFO L78 Accepts]: Start accepts. Automaton has 5565 states and 7803 transitions. Word has length 105 [2022-12-14 16:05:39,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:39,822 INFO L495 AbstractCegarLoop]: Abstraction has 5565 states and 7803 transitions. [2022-12-14 16:05:39,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 16:05:39,822 INFO L276 IsEmpty]: Start isEmpty. Operand 5565 states and 7803 transitions. [2022-12-14 16:05:39,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-12-14 16:05:39,825 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:39,825 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:05:39,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 16:05:39,825 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 16:05:39,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:39,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1417393132, now seen corresponding path program 1 times [2022-12-14 16:05:39,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:39,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476821486] [2022-12-14 16:05:39,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:39,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:40,237 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-12-14 16:05:40,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:40,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476821486] [2022-12-14 16:05:40,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476821486] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:40,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:40,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:05:40,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056279623] [2022-12-14 16:05:40,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:40,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:05:40,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:40,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:05:40,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:40,238 INFO L87 Difference]: Start difference. First operand 5565 states and 7803 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 16:05:43,414 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 16:05:45,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:05:47,996 WARN L539 Checker$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 16:05:50,001 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 16:05:53,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:53,206 INFO L93 Difference]: Finished difference Result 6377 states and 8796 transitions. [2022-12-14 16:05:53,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:05:53,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 102 [2022-12-14 16:05:53,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:53,221 INFO L225 Difference]: With dead ends: 6377 [2022-12-14 16:05:53,221 INFO L226 Difference]: Without dead ends: 6296 [2022-12-14 16:05:53,223 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 16:05:53,223 INFO L413 NwaCegarLoop]: 2763 mSDtfsCounter, 2718 mSDsluCounter, 6118 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2718 SdHoareTripleChecker+Valid, 8881 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:53,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2718 Valid, 8881 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1228 Invalid, 4 Unknown, 0 Unchecked, 12.6s Time] [2022-12-14 16:05:53,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6296 states. [2022-12-14 16:05:53,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6296 to 6286. [2022-12-14 16:05:53,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6286 states, 3471 states have (on average 1.2546816479400749) internal successors, (4355), 3683 states have internal predecessors, (4355), 2137 states have call successors, (2137), 696 states have call predecessors, (2137), 676 states have return successors, (2208), 2071 states have call predecessors, (2208), 2136 states have call successors, (2208) [2022-12-14 16:05:53,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6286 states to 6286 states and 8700 transitions. [2022-12-14 16:05:53,542 INFO L78 Accepts]: Start accepts. Automaton has 6286 states and 8700 transitions. Word has length 102 [2022-12-14 16:05:53,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:53,542 INFO L495 AbstractCegarLoop]: Abstraction has 6286 states and 8700 transitions. [2022-12-14 16:05:53,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 16:05:53,542 INFO L276 IsEmpty]: Start isEmpty. Operand 6286 states and 8700 transitions. [2022-12-14 16:05:53,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-12-14 16:05:53,544 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:53,544 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:53,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 16:05:53,544 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 16:05:53,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:53,544 INFO L85 PathProgramCache]: Analyzing trace with hash 40807398, now seen corresponding path program 1 times [2022-12-14 16:05:53,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:53,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997069127] [2022-12-14 16:05:53,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:53,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-14 16:05:54,673 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:54,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997069127] [2022-12-14 16:05:54,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997069127] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:54,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:54,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:05:54,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422583482] [2022-12-14 16:05:54,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:54,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:05:54,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:54,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:05:54,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:54,675 INFO L87 Difference]: Start difference. First operand 6286 states and 8700 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 16:05:57,019 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 16:05:58,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:04,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:06:04,085 INFO L93 Difference]: Finished difference Result 7925 states and 11001 transitions. [2022-12-14 16:06:04,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 16:06:04,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 118 [2022-12-14 16:06:04,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:06:04,110 INFO L225 Difference]: With dead ends: 7925 [2022-12-14 16:06:04,110 INFO L226 Difference]: Without dead ends: 7923 [2022-12-14 16:06:04,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 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 16:06:04,114 INFO L413 NwaCegarLoop]: 3066 mSDtfsCounter, 2663 mSDsluCounter, 7789 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2666 SdHoareTripleChecker+Valid, 10855 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:06:04,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2666 Valid, 10855 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1409 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2022-12-14 16:06:04,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7923 states. [2022-12-14 16:06:04,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7923 to 7899. [2022-12-14 16:06:04,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7899 states, 4409 states have (on average 1.2553867090043094) internal successors, (5535), 4676 states have internal predecessors, (5535), 2642 states have call successors, (2642), 894 states have call predecessors, (2642), 846 states have return successors, (2793), 2527 states have call predecessors, (2793), 2640 states have call successors, (2793) [2022-12-14 16:06:04,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7899 states to 7899 states and 10970 transitions. [2022-12-14 16:06:04,677 INFO L78 Accepts]: Start accepts. Automaton has 7899 states and 10970 transitions. Word has length 118 [2022-12-14 16:06:04,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:06:04,677 INFO L495 AbstractCegarLoop]: Abstraction has 7899 states and 10970 transitions. [2022-12-14 16:06:04,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 16:06:04,677 INFO L276 IsEmpty]: Start isEmpty. Operand 7899 states and 10970 transitions. [2022-12-14 16:06:04,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-14 16:06:04,679 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:06:04,680 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:06:04,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 16:06:04,680 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 16:06:04,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:06:04,680 INFO L85 PathProgramCache]: Analyzing trace with hash 116103829, now seen corresponding path program 1 times [2022-12-14 16:06:04,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:06:04,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987126640] [2022-12-14 16:06:04,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:06:04,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:06:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:06:05,241 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-12-14 16:06:05,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:06:05,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987126640] [2022-12-14 16:06:05,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987126640] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:06:05,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:06:05,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:06:05,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660027245] [2022-12-14 16:06:05,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:06:05,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:06:05,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:06:05,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:06:05,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:06:05,243 INFO L87 Difference]: Start difference. First operand 7899 states and 10970 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 16:06:08,498 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 16:06:09,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:11,522 WARN L539 Checker$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 16:06:13,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:15,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:20,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:06:20,244 INFO L93 Difference]: Finished difference Result 7927 states and 10995 transitions. [2022-12-14 16:06:20,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 16:06:20,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 146 [2022-12-14 16:06:20,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:06:20,278 INFO L225 Difference]: With dead ends: 7927 [2022-12-14 16:06:20,278 INFO L226 Difference]: Without dead ends: 7913 [2022-12-14 16:06:20,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 16:06:20,280 INFO L413 NwaCegarLoop]: 2929 mSDtfsCounter, 691 mSDsluCounter, 8194 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 11123 SdHoareTripleChecker+Invalid, 1684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-12-14 16:06:20,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 11123 Invalid, 1684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1681 Invalid, 2 Unknown, 0 Unchecked, 14.5s Time] [2022-12-14 16:06:20,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7913 states. [2022-12-14 16:06:20,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7913 to 7903. [2022-12-14 16:06:20,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7903 states, 4414 states have (on average 1.25373810602628) internal successors, (5534), 4680 states have internal predecessors, (5534), 2638 states have call successors, (2638), 897 states have call predecessors, (2638), 849 states have return successors, (2790), 2524 states have call predecessors, (2790), 2637 states have call successors, (2790) [2022-12-14 16:06:20,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7903 states to 7903 states and 10962 transitions. [2022-12-14 16:06:20,690 INFO L78 Accepts]: Start accepts. Automaton has 7903 states and 10962 transitions. Word has length 146 [2022-12-14 16:06:20,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:06:20,690 INFO L495 AbstractCegarLoop]: Abstraction has 7903 states and 10962 transitions. [2022-12-14 16:06:20,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 16:06:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 7903 states and 10962 transitions. [2022-12-14 16:06:20,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-12-14 16:06:20,692 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:06:20,692 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:06:20,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 16:06:20,693 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 16:06:20,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:06:20,693 INFO L85 PathProgramCache]: Analyzing trace with hash -119707227, now seen corresponding path program 1 times [2022-12-14 16:06:20,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:06:20,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001059582] [2022-12-14 16:06:20,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:06:20,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:06:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:06:21,455 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-12-14 16:06:21,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:06:21,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001059582] [2022-12-14 16:06:21,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001059582] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:06:21,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:06:21,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:06:21,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060373799] [2022-12-14 16:06:21,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:06:21,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:06:21,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:06:21,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:06:21,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:06:21,456 INFO L87 Difference]: Start difference. First operand 7903 states and 10962 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 16:06:23,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:25,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:26,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:28,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:34,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:06:34,056 INFO L93 Difference]: Finished difference Result 10724 states and 14819 transitions. [2022-12-14 16:06:34,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 16:06:34,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 152 [2022-12-14 16:06:34,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:06:34,083 INFO L225 Difference]: With dead ends: 10724 [2022-12-14 16:06:34,083 INFO L226 Difference]: Without dead ends: 10722 [2022-12-14 16:06:34,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 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 16:06:34,086 INFO L413 NwaCegarLoop]: 3887 mSDtfsCounter, 2410 mSDsluCounter, 10286 mSDsCounter, 0 mSdLazyCounter, 1903 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2413 SdHoareTripleChecker+Valid, 14173 SdHoareTripleChecker+Invalid, 1907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1903 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-12-14 16:06:34,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2413 Valid, 14173 Invalid, 1907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1903 Invalid, 1 Unknown, 0 Unchecked, 11.9s Time] [2022-12-14 16:06:34,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10722 states. [2022-12-14 16:06:34,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10722 to 10709. [2022-12-14 16:06:34,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10709 states, 5983 states have (on average 1.2485375229817817) internal successors, (7470), 6347 states have internal predecessors, (7470), 3563 states have call successors, (3563), 1231 states have call predecessors, (3563), 1161 states have return successors, (3771), 3394 states have call predecessors, (3771), 3561 states have call successors, (3771) [2022-12-14 16:06:34,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10709 states to 10709 states and 14804 transitions. [2022-12-14 16:06:34,694 INFO L78 Accepts]: Start accepts. Automaton has 10709 states and 14804 transitions. Word has length 152 [2022-12-14 16:06:34,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:06:34,694 INFO L495 AbstractCegarLoop]: Abstraction has 10709 states and 14804 transitions. [2022-12-14 16:06:34,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 16:06:34,695 INFO L276 IsEmpty]: Start isEmpty. Operand 10709 states and 14804 transitions. [2022-12-14 16:06:34,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-14 16:06:34,697 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:06:34,697 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:06:34,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 16:06:34,698 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 16:06:34,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:06:34,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1632850768, now seen corresponding path program 1 times [2022-12-14 16:06:34,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:06:34,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188166501] [2022-12-14 16:06:34,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:06:34,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:06:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:06:35,604 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-12-14 16:06:35,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:06:35,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188166501] [2022-12-14 16:06:35,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188166501] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:06:35,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:06:35,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:06:35,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174241995] [2022-12-14 16:06:35,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:06:35,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:06:35,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:06:35,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:06:35,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:06:35,606 INFO L87 Difference]: Start difference. First operand 10709 states and 14804 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 16:06:37,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:39,510 WARN L539 Checker$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 16:06:41,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:44,536 WARN L539 Checker$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 16:06:48,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:06:48,616 INFO L93 Difference]: Finished difference Result 10729 states and 14821 transitions. [2022-12-14 16:06:48,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 16:06:48,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 161 [2022-12-14 16:06:48,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:06:48,645 INFO L225 Difference]: With dead ends: 10729 [2022-12-14 16:06:48,645 INFO L226 Difference]: Without dead ends: 10703 [2022-12-14 16:06:48,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 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 16:06:48,650 INFO L413 NwaCegarLoop]: 2711 mSDtfsCounter, 2644 mSDsluCounter, 6028 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2647 SdHoareTripleChecker+Valid, 8739 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:06:48,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2647 Valid, 8739 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1224 Invalid, 3 Unknown, 0 Unchecked, 12.2s Time] [2022-12-14 16:06:48,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10703 states. [2022-12-14 16:06:49,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10703 to 10693. [2022-12-14 16:06:49,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10693 states, 5975 states have (on average 1.247866108786611) internal successors, (7456), 6337 states have internal predecessors, (7456), 3555 states have call successors, (3555), 1231 states have call predecessors, (3555), 1161 states have return successors, (3765), 3388 states have call predecessors, (3765), 3555 states have call successors, (3765) [2022-12-14 16:06:49,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10693 states to 10693 states and 14776 transitions. [2022-12-14 16:06:49,236 INFO L78 Accepts]: Start accepts. Automaton has 10693 states and 14776 transitions. Word has length 161 [2022-12-14 16:06:49,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:06:49,237 INFO L495 AbstractCegarLoop]: Abstraction has 10693 states and 14776 transitions. [2022-12-14 16:06:49,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 16:06:49,237 INFO L276 IsEmpty]: Start isEmpty. Operand 10693 states and 14776 transitions. [2022-12-14 16:06:49,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-12-14 16:06:49,240 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:06:49,240 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:06:49,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 16:06:49,240 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 16:06:49,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:06:49,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1988424402, now seen corresponding path program 1 times [2022-12-14 16:06:49,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:06:49,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346475570] [2022-12-14 16:06:49,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:06:49,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:06:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:06:50,070 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-12-14 16:06:50,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:06:50,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346475570] [2022-12-14 16:06:50,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346475570] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:06:50,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:06:50,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:06:50,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122350083] [2022-12-14 16:06:50,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:06:50,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:06:50,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:06:50,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:06:50,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:06:50,072 INFO L87 Difference]: Start difference. First operand 10693 states and 14776 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 16:06:52,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:06:54,625 WARN L539 Checker$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 16:06:59,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:06:59,095 INFO L93 Difference]: Finished difference Result 10715 states and 14795 transitions. [2022-12-14 16:06:59,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 16:06:59,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 177 [2022-12-14 16:06:59,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:06:59,123 INFO L225 Difference]: With dead ends: 10715 [2022-12-14 16:06:59,123 INFO L226 Difference]: Without dead ends: 10713 [2022-12-14 16:06:59,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 16:06:59,126 INFO L413 NwaCegarLoop]: 3264 mSDtfsCounter, 1559 mSDsluCounter, 8823 mSDsCounter, 0 mSdLazyCounter, 1702 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1562 SdHoareTripleChecker+Valid, 12087 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1702 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:06:59,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1562 Valid, 12087 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1702 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2022-12-14 16:06:59,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10713 states. [2022-12-14 16:07:00,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10713 to 10701. [2022-12-14 16:07:00,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10701 states, 5981 states have (on average 1.2471158669118876) internal successors, (7459), 6343 states have internal predecessors, (7459), 3555 states have call successors, (3555), 1233 states have call predecessors, (3555), 1163 states have return successors, (3765), 3388 states have call predecessors, (3765), 3555 states have call successors, (3765) [2022-12-14 16:07:00,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10701 states to 10701 states and 14779 transitions. [2022-12-14 16:07:00,107 INFO L78 Accepts]: Start accepts. Automaton has 10701 states and 14779 transitions. Word has length 177 [2022-12-14 16:07:00,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:07:00,107 INFO L495 AbstractCegarLoop]: Abstraction has 10701 states and 14779 transitions. [2022-12-14 16:07:00,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 16:07:00,107 INFO L276 IsEmpty]: Start isEmpty. Operand 10701 states and 14779 transitions. [2022-12-14 16:07:00,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-12-14 16:07:00,111 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:07:00,112 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:00,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 16:07:00,112 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 16:07:00,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:07:00,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1326356104, now seen corresponding path program 1 times [2022-12-14 16:07:00,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:07:00,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594171562] [2022-12-14 16:07:00,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:07:00,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:07:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:07:01,039 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-12-14 16:07:01,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:07:01,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594171562] [2022-12-14 16:07:01,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594171562] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:07:01,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:07:01,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:07:01,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772541505] [2022-12-14 16:07:01,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:07:01,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:07:01,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:07:01,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:07:01,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:07:01,041 INFO L87 Difference]: Start difference. First operand 10701 states and 14779 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-12-14 16:07:03,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:07:05,467 WARN L539 Checker$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 16:07:11,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:07:11,409 INFO L93 Difference]: Finished difference Result 18208 states and 25343 transitions. [2022-12-14 16:07:11,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 16:07:11,411 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 238 [2022-12-14 16:07:11,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:07:11,455 INFO L225 Difference]: With dead ends: 18208 [2022-12-14 16:07:11,455 INFO L226 Difference]: Without dead ends: 18206 [2022-12-14 16:07:11,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 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 16:07:11,462 INFO L413 NwaCegarLoop]: 3395 mSDtfsCounter, 2721 mSDsluCounter, 9319 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2724 SdHoareTripleChecker+Valid, 12714 SdHoareTripleChecker+Invalid, 1504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-12-14 16:07:11,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2724 Valid, 12714 Invalid, 1504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1499 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2022-12-14 16:07:11,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18206 states. [2022-12-14 16:07:12,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18206 to 18195. [2022-12-14 16:07:12,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18195 states, 10182 states have (on average 1.2501473187978787) internal successors, (12729), 10809 states have internal predecessors, (12729), 6067 states have call successors, (6067), 2056 states have call predecessors, (6067), 1944 states have return successors, (6531), 5792 states have call predecessors, (6531), 6067 states have call successors, (6531) [2022-12-14 16:07:12,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18195 states to 18195 states and 25327 transitions. [2022-12-14 16:07:12,633 INFO L78 Accepts]: Start accepts. Automaton has 18195 states and 25327 transitions. Word has length 238 [2022-12-14 16:07:12,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:07:12,633 INFO L495 AbstractCegarLoop]: Abstraction has 18195 states and 25327 transitions. [2022-12-14 16:07:12,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-12-14 16:07:12,633 INFO L276 IsEmpty]: Start isEmpty. Operand 18195 states and 25327 transitions. [2022-12-14 16:07:12,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-12-14 16:07:12,638 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:07:12,639 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:07:12,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 16:07:12,639 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 16:07:12,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:07:12,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1048187046, now seen corresponding path program 1 times [2022-12-14 16:07:12,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:07:12,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812973679] [2022-12-14 16:07:12,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:07:12,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:07:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:07:12,947 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2022-12-14 16:07:12,947 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:07:12,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812973679] [2022-12-14 16:07:12,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812973679] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:07:12,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:07:12,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:07:12,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230343313] [2022-12-14 16:07:12,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:07:12,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:07:12,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:07:12,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:07:12,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:07:12,949 INFO L87 Difference]: Start difference. First operand 18195 states and 25327 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2022-12-14 16:07:15,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:07:20,363 WARN L539 Checker$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 16:07:21,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:07:21,309 INFO L93 Difference]: Finished difference Result 36410 states and 50984 transitions. [2022-12-14 16:07:21,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:07:21,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 255 [2022-12-14 16:07:21,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:07:21,395 INFO L225 Difference]: With dead ends: 36410 [2022-12-14 16:07:21,395 INFO L226 Difference]: Without dead ends: 18231 [2022-12-14 16:07:21,461 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 16:07:21,461 INFO L413 NwaCegarLoop]: 2591 mSDtfsCounter, 1 mSDsluCounter, 2581 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 5172 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-12-14 16:07:21,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 5172 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 738 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2022-12-14 16:07:21,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18231 states. [2022-12-14 16:07:22,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18231 to 18201. [2022-12-14 16:07:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18201 states, 10188 states have (on average 1.25) internal successors, (12735), 10815 states have internal predecessors, (12735), 6067 states have call successors, (6067), 2056 states have call predecessors, (6067), 1944 states have return successors, (6531), 5792 states have call predecessors, (6531), 6067 states have call successors, (6531) [2022-12-14 16:07:22,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18201 states to 18201 states and 25333 transitions. [2022-12-14 16:07:22,626 INFO L78 Accepts]: Start accepts. Automaton has 18201 states and 25333 transitions. Word has length 255 [2022-12-14 16:07:22,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:07:22,627 INFO L495 AbstractCegarLoop]: Abstraction has 18201 states and 25333 transitions. [2022-12-14 16:07:22,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2022-12-14 16:07:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 18201 states and 25333 transitions. [2022-12-14 16:07:22,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-12-14 16:07:22,632 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:07:22,632 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:07:22,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 16:07:22,632 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 16:07:22,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:07:22,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1244221678, now seen corresponding path program 1 times [2022-12-14 16:07:22,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:07:22,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954414017] [2022-12-14 16:07:22,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:07:22,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:07:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:07:24,046 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-12-14 16:07:24,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:07:24,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954414017] [2022-12-14 16:07:24,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954414017] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:07:24,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:07:24,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 16:07:24,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479449228] [2022-12-14 16:07:24,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:07:24,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 16:07:24,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:07:24,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 16:07:24,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 16:07:24,047 INFO L87 Difference]: Start difference. First operand 18201 states and 25333 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (48), 4 states have call predecessors, (48), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-14 16:07:26,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:07:28,480 WARN L539 Checker$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 16:07:30,486 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 16:07:42,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:07:42,589 INFO L93 Difference]: Finished difference Result 18732 states and 26053 transitions. [2022-12-14 16:07:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 16:07:42,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (48), 4 states have call predecessors, (48), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 242 [2022-12-14 16:07:42,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:07:42,630 INFO L225 Difference]: With dead ends: 18732 [2022-12-14 16:07:42,630 INFO L226 Difference]: Without dead ends: 18730 [2022-12-14 16:07:42,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-14 16:07:42,636 INFO L413 NwaCegarLoop]: 1429 mSDtfsCounter, 3313 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 9100 mSolverCounterSat, 2274 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3758 SdHoareTripleChecker+Valid, 4952 SdHoareTripleChecker+Invalid, 11376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2274 IncrementalHoareTripleChecker+Valid, 9100 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:07:42,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3758 Valid, 4952 Invalid, 11376 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2274 Valid, 9100 Invalid, 2 Unknown, 0 Unchecked, 17.2s Time] [2022-12-14 16:07:42,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18730 states. [2022-12-14 16:07:43,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18730 to 18403. [2022-12-14 16:07:43,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18403 states, 10291 states have (on average 1.2479836750558742) internal successors, (12843), 10922 states have internal predecessors, (12843), 6098 states have call successors, (6098), 2058 states have call predecessors, (6098), 2012 states have return successors, (6567), 5885 states have call predecessors, (6567), 6098 states have call successors, (6567) [2022-12-14 16:07:43,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18403 states to 18403 states and 25508 transitions. [2022-12-14 16:07:43,825 INFO L78 Accepts]: Start accepts. Automaton has 18403 states and 25508 transitions. Word has length 242 [2022-12-14 16:07:43,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:07:43,825 INFO L495 AbstractCegarLoop]: Abstraction has 18403 states and 25508 transitions. [2022-12-14 16:07:43,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (48), 4 states have call predecessors, (48), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-14 16:07:43,825 INFO L276 IsEmpty]: Start isEmpty. Operand 18403 states and 25508 transitions. [2022-12-14 16:07:43,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-12-14 16:07:43,831 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:07:43,832 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:43,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 16:07:43,832 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 16:07:43,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:07:43,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1315727095, now seen corresponding path program 1 times [2022-12-14 16:07:43,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:07:43,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830569090] [2022-12-14 16:07:43,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:07:43,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:07:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:07:44,260 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-12-14 16:07:44,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:07:44,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830569090] [2022-12-14 16:07:44,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830569090] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:07:44,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:07:44,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:07:44,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302298219] [2022-12-14 16:07:44,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:07:44,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:07:44,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:07:44,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:07:44,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:07:44,262 INFO L87 Difference]: Start difference. First operand 18403 states and 25508 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 4 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) [2022-12-14 16:07:46,593 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 16:07:47,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:07:49,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:07:55,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:07:55,742 INFO L93 Difference]: Finished difference Result 37328 states and 51960 transitions. [2022-12-14 16:07:55,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 16:07:55,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 4 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) Word has length 254 [2022-12-14 16:07:55,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:07:55,798 INFO L225 Difference]: With dead ends: 37328 [2022-12-14 16:07:55,798 INFO L226 Difference]: Without dead ends: 18941 [2022-12-14 16:07:55,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-14 16:07:55,846 INFO L413 NwaCegarLoop]: 3105 mSDtfsCounter, 2602 mSDsluCounter, 8279 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 76 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2607 SdHoareTripleChecker+Valid, 11384 SdHoareTripleChecker+Invalid, 1567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:07:55,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2607 Valid, 11384 Invalid, 1567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1490 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2022-12-14 16:07:55,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18941 states. [2022-12-14 16:07:56,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18941 to 18627. [2022-12-14 16:07:56,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18627 states, 10440 states have (on average 1.249904214559387) internal successors, (13049), 11093 states have internal predecessors, (13049), 6166 states have call successors, (6166), 2058 states have call predecessors, (6166), 2019 states have return successors, (6659), 5956 states have call predecessors, (6659), 6166 states have call successors, (6659) [2022-12-14 16:07:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18627 states to 18627 states and 25874 transitions. [2022-12-14 16:07:57,037 INFO L78 Accepts]: Start accepts. Automaton has 18627 states and 25874 transitions. Word has length 254 [2022-12-14 16:07:57,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:07:57,037 INFO L495 AbstractCegarLoop]: Abstraction has 18627 states and 25874 transitions. [2022-12-14 16:07:57,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 4 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) [2022-12-14 16:07:57,038 INFO L276 IsEmpty]: Start isEmpty. Operand 18627 states and 25874 transitions. [2022-12-14 16:07:57,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-12-14 16:07:57,045 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:07:57,045 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:57,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 16:07:57,046 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 16:07:57,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:07:57,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1820895091, now seen corresponding path program 1 times [2022-12-14 16:07:57,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:07:57,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894558912] [2022-12-14 16:07:57,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:07:57,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:07:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:00,802 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-12-14 16:08:00,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:00,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894558912] [2022-12-14 16:08:00,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894558912] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 16:08:00,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105146749] [2022-12-14 16:08:00,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:00,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:00,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:00,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:08:00,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 16:08:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:02,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 6680 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 16:08:02,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:08:02,196 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-12-14 16:08:02,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:08:02,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105146749] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:02,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 16:08:02,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [11] total 19 [2022-12-14 16:08:02,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043705076] [2022-12-14 16:08:02,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:02,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 16:08:02,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:02,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 16:08:02,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=306, Unknown=0, NotChecked=0, Total=342 [2022-12-14 16:08:02,199 INFO L87 Difference]: Start difference. First operand 18627 states and 25874 transitions. Second operand has 12 states, 8 states have (on average 15.125) internal successors, (121), 10 states have internal predecessors, (121), 5 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (44), 6 states have call predecessors, (44), 5 states have call successors, (44) [2022-12-14 16:08:04,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:08:06,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:08:09,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:08:11,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:08:13,696 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 16:08:27,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:27,209 INFO L93 Difference]: Finished difference Result 38306 states and 53557 transitions. [2022-12-14 16:08:27,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 16:08:27,211 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 8 states have (on average 15.125) internal successors, (121), 10 states have internal predecessors, (121), 5 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (44), 6 states have call predecessors, (44), 5 states have call successors, (44) Word has length 272 [2022-12-14 16:08:27,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:27,263 INFO L225 Difference]: With dead ends: 38306 [2022-12-14 16:08:27,263 INFO L226 Difference]: Without dead ends: 19689 [2022-12-14 16:08:27,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2022-12-14 16:08:27,304 INFO L413 NwaCegarLoop]: 2770 mSDtfsCounter, 283 mSDsluCounter, 27244 mSDsCounter, 0 mSdLazyCounter, 4985 mSolverCounterSat, 117 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 30014 SdHoareTripleChecker+Invalid, 5105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 4985 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:27,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 30014 Invalid, 5105 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [117 Valid, 4985 Invalid, 3 Unknown, 0 Unchecked, 23.3s Time] [2022-12-14 16:08:27,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19689 states. [2022-12-14 16:08:28,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19689 to 18663. [2022-12-14 16:08:28,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18663 states, 10464 states have (on average 1.2493310397553516) internal successors, (13073), 11117 states have internal predecessors, (13073), 6178 states have call successors, (6178), 2058 states have call predecessors, (6178), 2019 states have return successors, (6671), 5968 states have call predecessors, (6671), 6178 states have call successors, (6671) [2022-12-14 16:08:28,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18663 states to 18663 states and 25922 transitions. [2022-12-14 16:08:28,560 INFO L78 Accepts]: Start accepts. Automaton has 18663 states and 25922 transitions. Word has length 272 [2022-12-14 16:08:28,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:28,560 INFO L495 AbstractCegarLoop]: Abstraction has 18663 states and 25922 transitions. [2022-12-14 16:08:28,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 8 states have (on average 15.125) internal successors, (121), 10 states have internal predecessors, (121), 5 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (44), 6 states have call predecessors, (44), 5 states have call successors, (44) [2022-12-14 16:08:28,561 INFO L276 IsEmpty]: Start isEmpty. Operand 18663 states and 25922 transitions. [2022-12-14 16:08:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-12-14 16:08:28,569 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:28,569 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:08:28,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 16:08:28,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-12-14 16:08:28,771 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 16:08:28,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:28,772 INFO L85 PathProgramCache]: Analyzing trace with hash 795419561, now seen corresponding path program 1 times [2022-12-14 16:08:28,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:28,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787805] [2022-12-14 16:08:28,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:28,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:29,266 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2022-12-14 16:08:29,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:29,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787805] [2022-12-14 16:08:29,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787805] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:29,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:29,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:08:29,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074109338] [2022-12-14 16:08:29,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:29,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:08:29,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:29,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:08:29,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:29,268 INFO L87 Difference]: Start difference. First operand 18663 states and 25922 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-12-14 16:08:31,540 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 16:08:35,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:35,438 INFO L93 Difference]: Finished difference Result 37279 states and 51813 transitions. [2022-12-14 16:08:35,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:08:35,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 332 [2022-12-14 16:08:35,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:35,490 INFO L225 Difference]: With dead ends: 37279 [2022-12-14 16:08:35,490 INFO L226 Difference]: Without dead ends: 18632 [2022-12-14 16:08:35,534 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 16:08:35,535 INFO L413 NwaCegarLoop]: 2590 mSDtfsCounter, 8 mSDsluCounter, 2581 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5171 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:35,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 5171 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 738 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-12-14 16:08:35,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18632 states. [2022-12-14 16:08:37,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18632 to 18622. [2022-12-14 16:08:37,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18622 states, 10442 states have (on average 1.2490902126029497) internal successors, (13043), 11092 states have internal predecessors, (13043), 6165 states have call successors, (6165), 2050 states have call predecessors, (6165), 2013 states have return successors, (6658), 5959 states have call predecessors, (6658), 6165 states have call successors, (6658) [2022-12-14 16:08:37,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18622 states to 18622 states and 25866 transitions. [2022-12-14 16:08:37,083 INFO L78 Accepts]: Start accepts. Automaton has 18622 states and 25866 transitions. Word has length 332 [2022-12-14 16:08:37,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:37,083 INFO L495 AbstractCegarLoop]: Abstraction has 18622 states and 25866 transitions. [2022-12-14 16:08:37,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-12-14 16:08:37,084 INFO L276 IsEmpty]: Start isEmpty. Operand 18622 states and 25866 transitions. [2022-12-14 16:08:37,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-12-14 16:08:37,098 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:37,098 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:37,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 16:08:37,099 INFO L420 AbstractCegarLoop]: === Iteration 27 === 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 16:08:37,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:37,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1059729955, now seen corresponding path program 1 times [2022-12-14 16:08:37,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:37,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037313549] [2022-12-14 16:08:37,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:37,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:37,700 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2022-12-14 16:08:37,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:37,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037313549] [2022-12-14 16:08:37,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037313549] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:37,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:37,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 16:08:37,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370000132] [2022-12-14 16:08:37,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:37,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 16:08:37,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:37,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 16:08:37,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 16:08:37,703 INFO L87 Difference]: Start difference. First operand 18622 states and 25866 transitions. Second operand has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (46), 3 states have call predecessors, (46), 2 states have call successors, (46) [2022-12-14 16:08:40,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:08:43,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 16:08:49,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:49,651 INFO L93 Difference]: Finished difference Result 38010 states and 53059 transitions. [2022-12-14 16:08:49,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:08:49,653 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (46), 3 states have call predecessors, (46), 2 states have call successors, (46) Word has length 315 [2022-12-14 16:08:49,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:49,708 INFO L225 Difference]: With dead ends: 38010 [2022-12-14 16:08:49,708 INFO L226 Difference]: Without dead ends: 19404 [2022-12-14 16:08:49,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-14 16:08:49,752 INFO L413 NwaCegarLoop]: 2797 mSDtfsCounter, 373 mSDsluCounter, 10750 mSDsCounter, 0 mSdLazyCounter, 1932 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 13547 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1932 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:49,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 13547 Invalid, 1937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1932 Invalid, 1 Unknown, 0 Unchecked, 10.5s Time] [2022-12-14 16:08:49,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19404 states. [2022-12-14 16:08:50,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19404 to 18479. [2022-12-14 16:08:50,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18479 states, 10356 states have (on average 1.2484550019312475) internal successors, (12929), 10995 states have internal predecessors, (12929), 6115 states have call successors, (6115), 2042 states have call predecessors, (6115), 2006 states have return successors, (6592), 5914 states have call predecessors, (6592), 6115 states have call successors, (6592) [2022-12-14 16:08:50,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18479 states to 18479 states and 25636 transitions. [2022-12-14 16:08:50,997 INFO L78 Accepts]: Start accepts. Automaton has 18479 states and 25636 transitions. Word has length 315 [2022-12-14 16:08:50,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:50,997 INFO L495 AbstractCegarLoop]: Abstraction has 18479 states and 25636 transitions. [2022-12-14 16:08:50,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (46), 3 states have call predecessors, (46), 2 states have call successors, (46) [2022-12-14 16:08:50,997 INFO L276 IsEmpty]: Start isEmpty. Operand 18479 states and 25636 transitions. [2022-12-14 16:08:51,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-12-14 16:08:51,004 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:51,004 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-12-14 16:08:51,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 16:08:51,005 INFO L420 AbstractCegarLoop]: === Iteration 28 === 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 16:08:51,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:51,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1751615110, now seen corresponding path program 1 times [2022-12-14 16:08:51,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:51,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087256758] [2022-12-14 16:08:51,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:51,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:51,470 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2022-12-14 16:08:51,470 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:51,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087256758] [2022-12-14 16:08:51,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087256758] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 16:08:51,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208033313] [2022-12-14 16:08:51,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:51,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:51,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:51,472 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:08:51,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238764ba-1b9e-4a04-957f-a50fb1ad6d28/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 16:08:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:52,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 6846 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 16:08:52,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:08:52,945 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 168 proven. 39 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2022-12-14 16:08:52,945 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:08:53,211 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2022-12-14 16:08:53,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208033313] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:08:53,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1316792889] [2022-12-14 16:08:53,230 INFO L159 IcfgInterpreter]: Started Sifa with 221 locations of interest [2022-12-14 16:08:53,230 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:08:53,233 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:08:53,237 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:08:53,237 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:10:41,635 WARN L233 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 7033 DAG size of output: 6836 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 16:10:55,784 WARN L233 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 7033 DAG size of output: 6836 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 16:13:44,620 WARN L233 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 7038 DAG size of output: 6839 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 16:13:59,272 WARN L233 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 7038 DAG size of output: 6839 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)