./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_2a3ff1ee-aace-4393-8305-de434d83c055/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3ff1ee-aace-4393-8305-de434d83c055/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3ff1ee-aace-4393-8305-de434d83c055/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3ff1ee-aace-4393-8305-de434d83c055/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3ff1ee-aace-4393-8305-de434d83c055/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3ff1ee-aace-4393-8305-de434d83c055/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:55:05,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:55:05,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:55:05,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:55:05,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:55:05,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:55:05,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:55:05,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:55:05,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:55:05,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:55:05,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:55:05,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:55:05,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:55:05,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:55:05,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:55:05,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:55:05,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:55:05,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:55:05,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:55:05,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:55:05,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:55:05,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:55:05,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:55:05,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:55:05,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:55:05,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:55:05,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:55:05,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:55:05,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:55:05,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:55:05,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:55:05,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:55:05,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:55:05,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:55:05,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:55:05,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:55:05,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:55:05,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:55:05,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:55:05,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:55:05,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:55:05,668 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3ff1ee-aace-4393-8305-de434d83c055/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:55:05,707 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:55:05,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:55:05,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:55:05,708 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:55:05,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:55:05,709 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:55:05,709 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:55:05,709 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:55:05,709 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:55:05,709 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:55:05,710 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:55:05,711 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:55:05,711 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:55:05,711 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:55:05,711 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:55:05,711 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:55:05,711 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:55:05,712 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:55:05,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:55:05,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:55:05,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:55:05,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:55:05,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:55:05,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:55:05,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:55:05,713 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:55:05,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:55:05,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:55:05,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:55:05,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:55:05,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:55:05,715 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:55:05,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:55:05,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:55:05,715 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:55:05,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:55:05,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:55:05,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:55:05,717 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_2a3ff1ee-aace-4393-8305-de434d83c055/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3ff1ee-aace-4393-8305-de434d83c055/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2022-11-26 00:55:06,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:55:06,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:55:06,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:55:06,079 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:55:06,080 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:55:06,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3ff1ee-aace-4393-8305-de434d83c055/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-26 00:55:09,000 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:55:09,736 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:55:09,736 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3ff1ee-aace-4393-8305-de434d83c055/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-26 00:55:09,810 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3ff1ee-aace-4393-8305-de434d83c055/bin/utaipan-ByfvJB40ur/data/a64497b50/26b7e103a85647e2a2f2b78e2983a3d3/FLAG5ed62a070 [2022-11-26 00:55:09,833 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3ff1ee-aace-4393-8305-de434d83c055/bin/utaipan-ByfvJB40ur/data/a64497b50/26b7e103a85647e2a2f2b78e2983a3d3 [2022-11-26 00:55:09,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:55:09,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:55:09,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:55:09,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:55:09,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:55:09,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:55:09" (1/1) ... [2022-11-26 00:55:09,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c5cc6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:09, skipping insertion in model container [2022-11-26 00:55:09,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:55:09" (1/1) ... [2022-11-26 00:55:09,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:55:10,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:55:11,034 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:55:11,079 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:55:11,092 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:55:11,106 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:55:11,161 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:55:11,349 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:55:11,356 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:55:11,357 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:55:11,372 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:55:11,391 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:55:11,404 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:55:11,413 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-26 00:55:11,470 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:55:11,479 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:11,482 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:55:11,497 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-26 00:55:11,614 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:11,622 WARN L623 FunctionHandler]: Unknown extern function ___pskb_trim [2022-11-26 00:55:11,645 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-26 00:55:11,716 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:55:11,717 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:11,787 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 00:55:11,787 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 00:55:11,799 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:11,800 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:11,838 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 00:55:11,843 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-26 00:55:11,936 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-26 00:55:11,942 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-26 00:55:11,948 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-26 00:55:11,995 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-11-26 00:55:12,053 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 00:55:12,078 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:55:12,275 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-26 00:55:12,290 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:12,291 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:12,306 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:55:12,308 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:55:12,312 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 00:55:12,327 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:55:12,339 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:55:12,340 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:55:12,384 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:12,405 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:12,424 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:12,456 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-26 00:55:12,457 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:12,558 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:12,572 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:12,597 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:12,601 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:55:12,602 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:55:12,636 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-11-26 00:55:12,665 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:12,701 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:12,706 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:12,783 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:12,820 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:12,821 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:12,823 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-26 00:55:12,845 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:12,847 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:12,849 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:55:12,849 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:55:12,851 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:12,852 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-26 00:55:12,861 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-26 00:55:12,862 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:12,868 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-26 00:55:12,869 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-26 00:55:12,905 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-26 00:55:12,907 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-26 00:55:12,910 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:12,958 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:12,960 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:12,962 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:12,962 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:55:12,976 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:12,984 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:12,985 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:55:12,985 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 00:55:12,987 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:12,988 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:12,990 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:12,992 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:12,996 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:12,997 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-26 00:55:12,998 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-26 00:55:12,999 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:55:12,999 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-26 00:55:13,000 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:55:13,008 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:55:13,008 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 00:55:13,008 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:55:13,009 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:13,010 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:55:13,012 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:55:13,032 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:55:13,033 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:13,033 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:13,034 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:13,034 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-26 00:55:13,034 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:13,035 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:55:13,036 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:13,036 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-26 00:55:13,037 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:13,038 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-26 00:55:13,038 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:55:13,040 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:13,041 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:13,044 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:13,044 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:55:13,046 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:55:13,047 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:55:13,048 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:55:13,051 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:13,054 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:55:13,054 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 00:55:13,055 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:55:13,055 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:55:13,062 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 00:55:13,063 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:55:13,063 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:55:13,070 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:55:13,071 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:55:13,078 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:55:13,079 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:13,079 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:55:13,086 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:13,087 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:55:13,524 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:13,525 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:13,525 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:13,525 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:13,526 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:13,526 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:13,527 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:13,527 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:13,527 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:13,527 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:13,528 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:13,528 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:13,528 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:13,529 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:13,533 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 00:55:13,535 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:55:13,539 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:55:13,539 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:55:13,550 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:55:13,552 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-26 00:55:13,560 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:55:13,561 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:55:13,563 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:55:13,563 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:55:13,564 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:55:13,565 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:55:13,565 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_trylock [2022-11-26 00:55:13,566 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:55:13,567 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 00:55:13,568 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:55:13,569 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:55:13,569 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:55:13,570 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:55:13,570 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:55:13,571 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:55:13,625 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:13,628 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:13,630 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 00:55:13,632 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:55:13,634 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:55:13,650 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:13,651 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:13,651 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:13,653 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:13,653 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:13,655 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:13,655 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:13,656 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:13,657 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:13,658 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:13,660 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:13,660 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:13,661 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:13,693 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:13,730 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:13,771 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:13,772 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:13,782 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:13,788 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:13,789 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:13,789 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:13,790 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:13,807 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-11-26 00:55:13,817 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-26 00:55:13,837 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:55:13,837 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:55:13,838 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:55:13,839 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:55:13,841 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:55:13,842 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-26 00:55:13,843 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-26 00:55:13,908 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:55:13,909 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:55:13,920 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:55:14,805 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_2a3ff1ee-aace-4393-8305-de434d83c055/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-11-26 00:55:14,810 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_2a3ff1ee-aace-4393-8305-de434d83c055/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-11-26 00:55:14,810 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_2a3ff1ee-aace-4393-8305-de434d83c055/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-11-26 00:55:14,811 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_2a3ff1ee-aace-4393-8305-de434d83c055/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-11-26 00:55:14,820 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:14,821 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:14,823 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:14,846 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:14,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:55:14,923 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:55:15,072 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:55:15,073 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:55:15,074 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:55:15,074 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:55:15,075 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:55:15,082 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:55:15,085 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:55:15,086 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:55:15,087 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:55:15,089 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:55:15,090 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:55:15,091 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-26 00:55:15,096 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:55:15,097 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:15,097 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:55:15,099 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-26 00:55:15,104 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:15,105 WARN L623 FunctionHandler]: Unknown extern function ___pskb_trim [2022-11-26 00:55:15,106 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-26 00:55:15,108 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:55:15,109 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:15,111 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 00:55:15,111 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 00:55:15,112 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:15,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:15,114 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 00:55:15,115 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-26 00:55:15,116 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-26 00:55:15,119 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-26 00:55:15,122 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-26 00:55:15,124 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-11-26 00:55:15,127 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 00:55:15,128 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:55:15,134 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-26 00:55:15,137 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:15,137 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:15,140 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:55:15,141 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:55:15,142 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 00:55:15,144 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:55:15,145 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:55:15,145 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:55:15,150 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:15,153 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:15,157 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:15,161 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-26 00:55:15,162 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:15,166 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:15,168 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:15,172 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,173 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:55:15,174 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:55:15,182 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-11-26 00:55:15,185 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:15,186 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,190 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,209 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,218 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,220 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,222 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-26 00:55:15,227 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,229 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,230 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:55:15,230 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:55:15,233 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:15,234 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-26 00:55:15,237 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-26 00:55:15,238 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,245 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-26 00:55:15,246 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-26 00:55:15,256 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-26 00:55:15,257 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-26 00:55:15,259 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,275 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:15,278 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:15,280 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:15,280 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:55:15,282 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:15,284 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:15,285 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:55:15,285 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 00:55:15,339 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:15,340 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:15,341 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:15,343 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:15,344 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:15,345 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-26 00:55:15,346 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-26 00:55:15,346 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:55:15,346 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-26 00:55:15,347 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:55:15,348 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:55:15,348 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 00:55:15,348 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:55:15,348 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,349 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:55:15,350 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:55:15,353 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:55:15,354 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:15,354 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:15,355 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:15,355 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-26 00:55:15,355 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:15,355 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:55:15,356 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,365 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-26 00:55:15,365 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,366 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-26 00:55:15,366 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:55:15,366 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,371 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,372 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:15,373 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:55:15,373 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:55:15,374 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:55:15,374 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:55:15,374 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,375 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:55:15,375 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 00:55:15,375 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:55:15,375 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:55:15,376 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 00:55:15,377 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:55:15,377 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:55:15,377 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:55:15,378 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:55:15,378 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:55:15,378 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,379 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:55:15,380 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,380 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:55:15,386 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,387 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,387 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,387 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,387 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,388 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,388 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,388 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,388 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,388 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,389 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,389 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,389 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,389 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,392 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 00:55:15,394 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:55:15,396 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:55:15,396 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:55:15,404 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:55:15,405 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-26 00:55:15,415 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:55:15,415 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:55:15,420 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:55:15,420 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:55:15,421 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:55:15,421 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:55:15,422 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_trylock [2022-11-26 00:55:15,422 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:55:15,423 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 00:55:15,423 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:55:15,424 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:55:15,424 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:55:15,424 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:55:15,425 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:55:15,425 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:55:15,430 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:15,432 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:15,433 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 00:55:15,436 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:55:15,437 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:55:15,443 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:15,444 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,444 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,449 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:15,449 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:15,451 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:15,451 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,452 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,453 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:55:15,454 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,459 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:15,459 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:15,459 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:55:15,462 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,465 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:15,475 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:15,476 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:15,478 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:15,479 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:15,480 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:15,480 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:15,480 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:15,483 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-11-26 00:55:15,484 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-26 00:55:15,488 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:55:15,489 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:55:15,489 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:55:15,490 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:55:15,491 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:55:15,492 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-26 00:55:15,492 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-26 00:55:15,498 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:55:15,498 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:55:15,499 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:55:15,523 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3ff1ee-aace-4393-8305-de434d83c055/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-11-26 00:55:15,524 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_2a3ff1ee-aace-4393-8305-de434d83c055/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-11-26 00:55:15,524 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_2a3ff1ee-aace-4393-8305-de434d83c055/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-11-26 00:55:15,525 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_2a3ff1ee-aace-4393-8305-de434d83c055/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-11-26 00:55:15,526 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,529 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,530 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,534 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:15,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:55:15,861 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:55:15,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:15 WrapperNode [2022-11-26 00:55:15,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:55:15,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:55:15,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:55:15,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:55:15,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:15" (1/1) ... [2022-11-26 00:55:15,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:15" (1/1) ... [2022-11-26 00:55:16,280 INFO L138 Inliner]: procedures = 625, calls = 3468, calls flagged for inlining = 312, calls inlined = 276, statements flattened = 7975 [2022-11-26 00:55:16,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:55:16,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:55:16,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:55:16,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:55:16,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:15" (1/1) ... [2022-11-26 00:55:16,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:15" (1/1) ... [2022-11-26 00:55:16,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:15" (1/1) ... [2022-11-26 00:55:16,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:15" (1/1) ... [2022-11-26 00:55:16,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:15" (1/1) ... [2022-11-26 00:55:16,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:15" (1/1) ... [2022-11-26 00:55:16,570 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:15" (1/1) ... [2022-11-26 00:55:16,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:15" (1/1) ... [2022-11-26 00:55:16,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:55:16,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:55:16,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:55:16,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:55:16,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:15" (1/1) ... [2022-11-26 00:55:16,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:55:16,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3ff1ee-aace-4393-8305-de434d83c055/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:55:16,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3ff1ee-aace-4393-8305-de434d83c055/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:55:16,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3ff1ee-aace-4393-8305-de434d83c055/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:55:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-26 00:55:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-26 00:55:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-26 00:55:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-26 00:55:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-11-26 00:55:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-11-26 00:55:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:55:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:55:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-11-26 00:55:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-11-26 00:55:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-26 00:55:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-26 00:55:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-26 00:55:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-26 00:55:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2022-11-26 00:55:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2022-11-26 00:55:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:55:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:55:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-11-26 00:55:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-11-26 00:55:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-26 00:55:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-26 00:55:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2022-11-26 00:55:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2022-11-26 00:55:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 00:55:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 00:55:16,708 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-26 00:55:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-26 00:55:16,708 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-26 00:55:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-26 00:55:16,708 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-26 00:55:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-26 00:55:16,709 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:55:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:55:16,709 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-11-26 00:55:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-11-26 00:55:16,709 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2022-11-26 00:55:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2022-11-26 00:55:16,709 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-11-26 00:55:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-11-26 00:55:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2022-11-26 00:55:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2022-11-26 00:55:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-26 00:55:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-26 00:55:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:55:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 00:55:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-11-26 00:55:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-11-26 00:55:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-26 00:55:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-26 00:55:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-26 00:55:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-26 00:55:16,711 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-26 00:55:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-26 00:55:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:55:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:55:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-26 00:55:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-26 00:55:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-11-26 00:55:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-11-26 00:55:16,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-26 00:55:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-26 00:55:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-26 00:55:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-26 00:55:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:55:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-26 00:55:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-26 00:55:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-11-26 00:55:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-11-26 00:55:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-26 00:55:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-26 00:55:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-11-26 00:55:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-11-26 00:55:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-26 00:55:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-26 00:55:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-26 00:55:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-26 00:55:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-26 00:55:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-26 00:55:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:55:16,715 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-11-26 00:55:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-11-26 00:55:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-26 00:55:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-26 00:55:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-26 00:55:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-26 00:55:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-11-26 00:55:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-11-26 00:55:16,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:55:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 00:55:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 00:55:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:55:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-26 00:55:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-26 00:55:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 00:55:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 00:55:16,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-26 00:55:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-26 00:55:16,718 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-26 00:55:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-26 00:55:16,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-26 00:55:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-26 00:55:16,718 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-26 00:55:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-26 00:55:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-26 00:55:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-26 00:55:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-11-26 00:55:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-11-26 00:55:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-26 00:55:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-26 00:55:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-26 00:55:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-26 00:55:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-11-26 00:55:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-11-26 00:55:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-26 00:55:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-26 00:55:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:55:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-11-26 00:55:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-11-26 00:55:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-26 00:55:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-26 00:55:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-26 00:55:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-26 00:55:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:55:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-26 00:55:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-26 00:55:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:55:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:55:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-26 00:55:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-26 00:55:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:55:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-26 00:55:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-26 00:55:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-26 00:55:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-26 00:55:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-26 00:55:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-11-26 00:55:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-11-26 00:55:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-11-26 00:55:16,724 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-11-26 00:55:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-26 00:55:16,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-26 00:55:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-11-26 00:55:16,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-11-26 00:55:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-26 00:55:16,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-26 00:55:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-26 00:55:16,725 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-26 00:55:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 00:55:16,725 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 00:55:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-26 00:55:16,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-26 00:55:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-11-26 00:55:16,725 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-11-26 00:55:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-26 00:55:16,726 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-26 00:55:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-26 00:55:16,726 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-26 00:55:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-26 00:55:16,726 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-26 00:55:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-11-26 00:55:16,727 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-11-26 00:55:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-26 00:55:16,727 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-26 00:55:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-26 00:55:16,727 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-26 00:55:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:55:16,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:55:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-26 00:55:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-26 00:55:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-26 00:55:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-26 00:55:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:55:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:55:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:55:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:55:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-26 00:55:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-26 00:55:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 00:55:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 00:55:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-26 00:55:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-26 00:55:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-26 00:55:16,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-26 00:55:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-26 00:55:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-26 00:55:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-26 00:55:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-26 00:55:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-11-26 00:55:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-11-26 00:55:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-11-26 00:55:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-11-26 00:55:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-26 00:55:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-26 00:55:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-26 00:55:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-26 00:55:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-26 00:55:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-26 00:55:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-11-26 00:55:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-11-26 00:55:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-26 00:55:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-26 00:55:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:55:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:55:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-11-26 00:55:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-11-26 00:55:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-26 00:55:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-26 00:55:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-26 00:55:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-26 00:55:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:55:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 00:55:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 00:55:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-26 00:55:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-26 00:55:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-26 00:55:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-26 00:55:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-11-26 00:55:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-11-26 00:55:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:55:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-11-26 00:55:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-11-26 00:55:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-11-26 00:55:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-11-26 00:55:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-26 00:55:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-26 00:55:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-11-26 00:55:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-11-26 00:55:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:55:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-11-26 00:55:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-11-26 00:55:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-26 00:55:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-26 00:55:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-26 00:55:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-26 00:55:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-26 00:55:16,737 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-26 00:55:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 00:55:16,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 00:55:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-26 00:55:16,737 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-26 00:55:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-26 00:55:16,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-26 00:55:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-11-26 00:55:16,738 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-11-26 00:55:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2022-11-26 00:55:16,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2022-11-26 00:55:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-11-26 00:55:16,738 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-11-26 00:55:16,738 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-11-26 00:55:16,739 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-11-26 00:55:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-26 00:55:16,739 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-26 00:55:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-26 00:55:16,739 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-26 00:55:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2022-11-26 00:55:16,739 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2022-11-26 00:55:16,739 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-26 00:55:16,740 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-26 00:55:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-26 00:55:16,740 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-26 00:55:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-11-26 00:55:16,740 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-11-26 00:55:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:55:16,740 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:55:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:55:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-11-26 00:55:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-11-26 00:55:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:55:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:55:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2022-11-26 00:55:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2022-11-26 00:55:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-11-26 00:55:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-11-26 00:55:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-11-26 00:55:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-11-26 00:55:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-26 00:55:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-26 00:55:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-26 00:55:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-26 00:55:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2022-11-26 00:55:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2022-11-26 00:55:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-26 00:55:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-26 00:55:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-11-26 00:55:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-11-26 00:55:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-26 00:55:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-26 00:55:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 00:55:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 00:55:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-26 00:55:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-26 00:55:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-26 00:55:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-26 00:55:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-11-26 00:55:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-11-26 00:55:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-26 00:55:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-26 00:55:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-26 00:55:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-26 00:55:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-11-26 00:55:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-11-26 00:55:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-26 00:55:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-26 00:55:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-26 00:55:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-26 00:55:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:55:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-26 00:55:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-26 00:55:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-26 00:55:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-26 00:55:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-11-26 00:55:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-11-26 00:55:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-11-26 00:55:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-11-26 00:55:18,026 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:55:18,035 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:55:18,492 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:55:28,280 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-26 00:55:28,527 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:55:30,637 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:55:30,638 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:55:30,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:55:30 BoogieIcfgContainer [2022-11-26 00:55:30,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:55:30,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:55:30,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:55:30,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:55:30,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:55:09" (1/3) ... [2022-11-26 00:55:30,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2dee62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:55:30, skipping insertion in model container [2022-11-26 00:55:30,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:15" (2/3) ... [2022-11-26 00:55:30,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2dee62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:55:30, skipping insertion in model container [2022-11-26 00:55:30,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:55:30" (3/3) ... [2022-11-26 00:55:30,651 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-11-26 00:55:30,671 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:55:30,672 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-26 00:55:30,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:55:30,775 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;@361f10f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:55:30,775 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-26 00:55:30,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 2192 states, 1279 states have (on average 1.2791243158717749) internal successors, (1636), 1307 states have internal predecessors, (1636), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) [2022-11-26 00:55:30,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-26 00:55:30,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:30,823 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:30,824 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 00:55:30,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:30,830 INFO L85 PathProgramCache]: Analyzing trace with hash -687608231, now seen corresponding path program 1 times [2022-11-26 00:55:30,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:30,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578121152] [2022-11-26 00:55:30,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:30,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:31,866 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-26 00:55:31,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:31,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578121152] [2022-11-26 00:55:31,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578121152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:31,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:31,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:55:31,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096590990] [2022-11-26 00:55:31,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:31,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:55:31,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:31,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:55:31,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:55:31,928 INFO L87 Difference]: Start difference. First operand has 2192 states, 1279 states have (on average 1.2791243158717749) internal successors, (1636), 1307 states have internal predecessors, (1636), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-26 00:55:34,373 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 [] [2022-11-26 00:55:38,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:40,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:41,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:41,365 INFO L93 Difference]: Finished difference Result 6340 states and 9177 transitions. [2022-11-26 00:55:41,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:55:41,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 161 [2022-11-26 00:55:41,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:41,417 INFO L225 Difference]: With dead ends: 6340 [2022-11-26 00:55:41,417 INFO L226 Difference]: Without dead ends: 4167 [2022-11-26 00:55:41,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:55:41,438 INFO L413 NwaCegarLoop]: 3437 mSDtfsCounter, 2859 mSDsluCounter, 2732 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2859 SdHoareTripleChecker+Valid, 6169 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:41,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2859 Valid, 6169 Invalid, 778 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 769 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2022-11-26 00:55:41,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4167 states. [2022-11-26 00:55:41,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4167 to 4159. [2022-11-26 00:55:41,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4159 states, 2448 states have (on average 1.2749183006535947) internal successors, (3121), 2502 states have internal predecessors, (3121), 1420 states have call successors, (1420), 288 states have call predecessors, (1420), 287 states have return successors, (1416), 1411 states have call predecessors, (1416), 1416 states have call successors, (1416) [2022-11-26 00:55:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4159 states to 4159 states and 5957 transitions. [2022-11-26 00:55:41,875 INFO L78 Accepts]: Start accepts. Automaton has 4159 states and 5957 transitions. Word has length 161 [2022-11-26 00:55:41,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:41,878 INFO L495 AbstractCegarLoop]: Abstraction has 4159 states and 5957 transitions. [2022-11-26 00:55:41,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-26 00:55:41,878 INFO L276 IsEmpty]: Start isEmpty. Operand 4159 states and 5957 transitions. [2022-11-26 00:55:41,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-26 00:55:41,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:41,895 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:41,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:55:41,896 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 00:55:41,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:41,897 INFO L85 PathProgramCache]: Analyzing trace with hash -561250512, now seen corresponding path program 1 times [2022-11-26 00:55:41,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:41,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46933835] [2022-11-26 00:55:41,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:41,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:42,393 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-26 00:55:42,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:42,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46933835] [2022-11-26 00:55:42,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46933835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:42,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:42,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:55:42,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532602080] [2022-11-26 00:55:42,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:42,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:55:42,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:42,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:55:42,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:55:42,399 INFO L87 Difference]: Start difference. First operand 4159 states and 5957 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-26 00:55:44,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:47,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:51,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:53,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:54,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:54,536 INFO L93 Difference]: Finished difference Result 12191 states and 17472 transitions. [2022-11-26 00:55:54,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:55:54,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 161 [2022-11-26 00:55:54,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:54,595 INFO L225 Difference]: With dead ends: 12191 [2022-11-26 00:55:54,595 INFO L226 Difference]: Without dead ends: 8061 [2022-11-26 00:55:54,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:55:54,617 INFO L413 NwaCegarLoop]: 3459 mSDtfsCounter, 2919 mSDsluCounter, 2673 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2919 SdHoareTripleChecker+Valid, 6132 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:54,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2919 Valid, 6132 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 750 Invalid, 3 Unknown, 0 Unchecked, 11.6s Time] [2022-11-26 00:55:54,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8061 states. [2022-11-26 00:55:55,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8061 to 8025. [2022-11-26 00:55:55,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8025 states, 4758 states have (on average 1.2788986969314837) internal successors, (6085), 4870 states have internal predecessors, (6085), 2709 states have call successors, (2709), 565 states have call predecessors, (2709), 554 states have return successors, (2715), 2666 states have call predecessors, (2715), 2705 states have call successors, (2715) [2022-11-26 00:55:55,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8025 states to 8025 states and 11509 transitions. [2022-11-26 00:55:55,141 INFO L78 Accepts]: Start accepts. Automaton has 8025 states and 11509 transitions. Word has length 161 [2022-11-26 00:55:55,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:55,144 INFO L495 AbstractCegarLoop]: Abstraction has 8025 states and 11509 transitions. [2022-11-26 00:55:55,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-26 00:55:55,145 INFO L276 IsEmpty]: Start isEmpty. Operand 8025 states and 11509 transitions. [2022-11-26 00:55:55,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-26 00:55:55,149 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:55,149 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:55,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:55:55,150 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 00:55:55,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:55,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1662618980, now seen corresponding path program 1 times [2022-11-26 00:55:55,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:55,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510824369] [2022-11-26 00:55:55,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:55,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:55,642 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-26 00:55:55,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:55,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510824369] [2022-11-26 00:55:55,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510824369] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:55,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:55,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:55:55,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029581403] [2022-11-26 00:55:55,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:55,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:55:55,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:55,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:55:55,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:55:55,646 INFO L87 Difference]: Start difference. First operand 8025 states and 11509 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-26 00:55:57,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:00,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:02,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:04,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:06,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:06,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:06,878 INFO L93 Difference]: Finished difference Result 23831 states and 34230 transitions. [2022-11-26 00:56:06,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:56:06,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 174 [2022-11-26 00:56:06,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:06,988 INFO L225 Difference]: With dead ends: 23831 [2022-11-26 00:56:06,988 INFO L226 Difference]: Without dead ends: 15835 [2022-11-26 00:56:07,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:07,033 INFO L413 NwaCegarLoop]: 3475 mSDtfsCounter, 2940 mSDsluCounter, 2716 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2940 SdHoareTripleChecker+Valid, 6191 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:07,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2940 Valid, 6191 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 761 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2022-11-26 00:56:07,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15835 states. [2022-11-26 00:56:07,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15835 to 15795. [2022-11-26 00:56:08,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15795 states, 9393 states have (on average 1.2798892792505057) internal successors, (12022), 9621 states have internal predecessors, (12022), 5310 states have call successors, (5310), 1117 states have call predecessors, (5310), 1088 states have return successors, (5369), 5202 states have call predecessors, (5369), 5306 states have call successors, (5369) [2022-11-26 00:56:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15795 states to 15795 states and 22701 transitions. [2022-11-26 00:56:08,111 INFO L78 Accepts]: Start accepts. Automaton has 15795 states and 22701 transitions. Word has length 174 [2022-11-26 00:56:08,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:08,112 INFO L495 AbstractCegarLoop]: Abstraction has 15795 states and 22701 transitions. [2022-11-26 00:56:08,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-26 00:56:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 15795 states and 22701 transitions. [2022-11-26 00:56:08,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-26 00:56:08,119 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:08,119 INFO L195 NwaCegarLoop]: trace histogram [16, 14, 14, 14, 14, 14, 14, 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] [2022-11-26 00:56:08,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:56:08,120 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 00:56:08,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:08,120 INFO L85 PathProgramCache]: Analyzing trace with hash 391912140, now seen corresponding path program 1 times [2022-11-26 00:56:08,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:08,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377124848] [2022-11-26 00:56:08,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:08,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-11-26 00:56:08,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:08,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377124848] [2022-11-26 00:56:08,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377124848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:08,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:08,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:56:08,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841920101] [2022-11-26 00:56:08,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:08,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:56:08,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:08,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:56:08,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:08,576 INFO L87 Difference]: Start difference. First operand 15795 states and 22701 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-26 00:56:10,812 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 [] [2022-11-26 00:56:15,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:17,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:18,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:18,657 INFO L93 Difference]: Finished difference Result 35672 states and 51240 transitions. [2022-11-26 00:56:18,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:56:18,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 179 [2022-11-26 00:56:18,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:18,765 INFO L225 Difference]: With dead ends: 35672 [2022-11-26 00:56:18,765 INFO L226 Difference]: Without dead ends: 19906 [2022-11-26 00:56:18,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:18,829 INFO L413 NwaCegarLoop]: 3830 mSDtfsCounter, 2915 mSDsluCounter, 2746 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2915 SdHoareTripleChecker+Valid, 6576 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:18,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2915 Valid, 6576 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 791 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2022-11-26 00:56:18,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19906 states. [2022-11-26 00:56:20,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19906 to 19862. [2022-11-26 00:56:20,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19862 states, 11793 states have (on average 1.2791486475027558) internal successors, (15085), 12090 states have internal predecessors, (15085), 6681 states have call successors, (6681), 1416 states have call predecessors, (6681), 1384 states have return successors, (6749), 6541 states have call predecessors, (6749), 6677 states have call successors, (6749) [2022-11-26 00:56:20,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19862 states to 19862 states and 28515 transitions. [2022-11-26 00:56:20,135 INFO L78 Accepts]: Start accepts. Automaton has 19862 states and 28515 transitions. Word has length 179 [2022-11-26 00:56:20,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:20,136 INFO L495 AbstractCegarLoop]: Abstraction has 19862 states and 28515 transitions. [2022-11-26 00:56:20,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-26 00:56:20,136 INFO L276 IsEmpty]: Start isEmpty. Operand 19862 states and 28515 transitions. [2022-11-26 00:56:20,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-26 00:56:20,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:20,140 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:20,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:56:20,143 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 00:56:20,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:20,143 INFO L85 PathProgramCache]: Analyzing trace with hash 194645555, now seen corresponding path program 1 times [2022-11-26 00:56:20,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:20,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338582907] [2022-11-26 00:56:20,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:20,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-26 00:56:20,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:20,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338582907] [2022-11-26 00:56:20,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338582907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:20,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:20,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:56:20,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133560816] [2022-11-26 00:56:20,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:20,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:56:20,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:20,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:56:20,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:20,437 INFO L87 Difference]: Start difference. First operand 19862 states and 28515 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-26 00:56:23,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:25,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:28,550 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 [] [2022-11-26 00:56:30,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:30,351 INFO L93 Difference]: Finished difference Result 47934 states and 68449 transitions. [2022-11-26 00:56:30,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:56:30,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 183 [2022-11-26 00:56:30,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:30,523 INFO L225 Difference]: With dead ends: 47934 [2022-11-26 00:56:30,523 INFO L226 Difference]: Without dead ends: 28101 [2022-11-26 00:56:30,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:30,596 INFO L413 NwaCegarLoop]: 3209 mSDtfsCounter, 1882 mSDsluCounter, 2684 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1882 SdHoareTripleChecker+Valid, 5893 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:30,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1882 Valid, 5893 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 797 Invalid, 3 Unknown, 0 Unchecked, 8.6s Time] [2022-11-26 00:56:30,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28101 states. [2022-11-26 00:56:32,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28101 to 28021. [2022-11-26 00:56:32,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28021 states, 16524 states have (on average 1.2665214233841684) internal successors, (20928), 16981 states have internal predecessors, (20928), 9382 states have call successors, (9382), 2173 states have call predecessors, (9382), 2111 states have return successors, (9508), 9135 states have call predecessors, (9508), 9378 states have call successors, (9508) [2022-11-26 00:56:32,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28021 states to 28021 states and 39818 transitions. [2022-11-26 00:56:32,336 INFO L78 Accepts]: Start accepts. Automaton has 28021 states and 39818 transitions. Word has length 183 [2022-11-26 00:56:32,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:32,337 INFO L495 AbstractCegarLoop]: Abstraction has 28021 states and 39818 transitions. [2022-11-26 00:56:32,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-26 00:56:32,337 INFO L276 IsEmpty]: Start isEmpty. Operand 28021 states and 39818 transitions. [2022-11-26 00:56:32,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-26 00:56:32,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:32,343 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:32,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:56:32,343 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 00:56:32,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:32,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1206730186, now seen corresponding path program 1 times [2022-11-26 00:56:32,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:32,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957532821] [2022-11-26 00:56:32,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:32,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:33,302 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 879 trivial. 0 not checked. [2022-11-26 00:56:33,302 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:33,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957532821] [2022-11-26 00:56:33,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957532821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:33,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:33,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:56:33,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241540309] [2022-11-26 00:56:33,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:33,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:56:33,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:33,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:56:33,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:56:33,305 INFO L87 Difference]: Start difference. First operand 28021 states and 39818 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 00:56:36,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:38,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:39,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:42,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:45,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:48,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:49,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:50,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:50,932 INFO L93 Difference]: Finished difference Result 38159 states and 53994 transitions. [2022-11-26 00:56:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:56:50,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 203 [2022-11-26 00:56:50,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:51,129 INFO L225 Difference]: With dead ends: 38159 [2022-11-26 00:56:51,129 INFO L226 Difference]: Without dead ends: 38157 [2022-11-26 00:56:51,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:56:51,151 INFO L413 NwaCegarLoop]: 3223 mSDtfsCounter, 1937 mSDsluCounter, 9136 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1952 SdHoareTripleChecker+Valid, 12359 SdHoareTripleChecker+Invalid, 1533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:51,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1952 Valid, 12359 Invalid, 1533 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1528 Invalid, 3 Unknown, 0 Unchecked, 16.3s Time] [2022-11-26 00:56:51,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38157 states. [2022-11-26 00:56:53,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38157 to 37758. [2022-11-26 00:56:53,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37758 states, 22196 states have (on average 1.2619390881239863) internal successors, (28010), 22827 states have internal predecessors, (28010), 12635 states have call successors, (12635), 3014 states have call predecessors, (12635), 2923 states have return successors, (12815), 12281 states have call predecessors, (12815), 12627 states have call successors, (12815) [2022-11-26 00:56:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37758 states to 37758 states and 53460 transitions. [2022-11-26 00:56:53,486 INFO L78 Accepts]: Start accepts. Automaton has 37758 states and 53460 transitions. Word has length 203 [2022-11-26 00:56:53,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:53,487 INFO L495 AbstractCegarLoop]: Abstraction has 37758 states and 53460 transitions. [2022-11-26 00:56:53,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 00:56:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 37758 states and 53460 transitions. [2022-11-26 00:56:53,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-26 00:56:53,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:53,493 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:53,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:56:53,494 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 00:56:53,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:53,494 INFO L85 PathProgramCache]: Analyzing trace with hash -706560557, now seen corresponding path program 1 times [2022-11-26 00:56:53,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:53,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712865344] [2022-11-26 00:56:53,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:53,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:54,458 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2022-11-26 00:56:54,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:54,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712865344] [2022-11-26 00:56:54,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712865344] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:54,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:54,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:56:54,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622875467] [2022-11-26 00:56:54,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:54,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:56:54,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:54,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:56:54,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:56:54,467 INFO L87 Difference]: Start difference. First operand 37758 states and 53460 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 00:56:57,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:01,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:04,058 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 [] [2022-11-26 00:57:07,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:07,035 INFO L93 Difference]: Finished difference Result 37770 states and 53468 transitions. [2022-11-26 00:57:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:57:07,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 212 [2022-11-26 00:57:07,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:07,201 INFO L225 Difference]: With dead ends: 37770 [2022-11-26 00:57:07,202 INFO L226 Difference]: Without dead ends: 37768 [2022-11-26 00:57:07,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:57:07,218 INFO L413 NwaCegarLoop]: 3218 mSDtfsCounter, 1868 mSDsluCounter, 9120 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1882 SdHoareTripleChecker+Valid, 12338 SdHoareTripleChecker+Invalid, 1529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:07,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1882 Valid, 12338 Invalid, 1529 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1524 Invalid, 3 Unknown, 0 Unchecked, 11.1s Time] [2022-11-26 00:57:07,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37768 states. [2022-11-26 00:57:09,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37768 to 37762. [2022-11-26 00:57:09,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37762 states, 22199 states have (on average 1.2619036893553763) internal successors, (28013), 22830 states have internal predecessors, (28013), 12635 states have call successors, (12635), 3015 states have call predecessors, (12635), 2924 states have return successors, (12815), 12281 states have call predecessors, (12815), 12627 states have call successors, (12815) [2022-11-26 00:57:09,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37762 states to 37762 states and 53463 transitions. [2022-11-26 00:57:09,653 INFO L78 Accepts]: Start accepts. Automaton has 37762 states and 53463 transitions. Word has length 212 [2022-11-26 00:57:09,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:09,654 INFO L495 AbstractCegarLoop]: Abstraction has 37762 states and 53463 transitions. [2022-11-26 00:57:09,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 00:57:09,654 INFO L276 IsEmpty]: Start isEmpty. Operand 37762 states and 53463 transitions. [2022-11-26 00:57:09,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-11-26 00:57:09,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:09,663 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 5, 5, 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] [2022-11-26 00:57:09,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:57:09,664 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 00:57:09,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:09,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1831690346, now seen corresponding path program 1 times [2022-11-26 00:57:09,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:09,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241455632] [2022-11-26 00:57:09,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:09,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:10,634 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2022-11-26 00:57:10,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:10,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241455632] [2022-11-26 00:57:10,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241455632] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:10,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:10,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:57:10,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228799539] [2022-11-26 00:57:10,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:10,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:57:10,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:10,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:57:10,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:57:10,637 INFO L87 Difference]: Start difference. First operand 37762 states and 53463 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 00:57:13,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:15,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:19,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:21,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:25,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:26,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:26,869 INFO L93 Difference]: Finished difference Result 37775 states and 53472 transitions. [2022-11-26 00:57:26,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:57:26,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 216 [2022-11-26 00:57:26,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:26,985 INFO L225 Difference]: With dead ends: 37775 [2022-11-26 00:57:26,985 INFO L226 Difference]: Without dead ends: 37773 [2022-11-26 00:57:26,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:57:26,999 INFO L413 NwaCegarLoop]: 3226 mSDtfsCounter, 1931 mSDsluCounter, 9136 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1944 SdHoareTripleChecker+Valid, 12362 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:27,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1944 Valid, 12362 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1528 Invalid, 2 Unknown, 0 Unchecked, 15.0s Time] [2022-11-26 00:57:27,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37773 states. [2022-11-26 00:57:29,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37773 to 37766. [2022-11-26 00:57:29,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37766 states, 22202 states have (on average 1.2618683001531394) internal successors, (28016), 22833 states have internal predecessors, (28016), 12635 states have call successors, (12635), 3016 states have call predecessors, (12635), 2925 states have return successors, (12815), 12281 states have call predecessors, (12815), 12627 states have call successors, (12815) [2022-11-26 00:57:29,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37766 states to 37766 states and 53466 transitions. [2022-11-26 00:57:29,273 INFO L78 Accepts]: Start accepts. Automaton has 37766 states and 53466 transitions. Word has length 216 [2022-11-26 00:57:29,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:29,275 INFO L495 AbstractCegarLoop]: Abstraction has 37766 states and 53466 transitions. [2022-11-26 00:57:29,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 00:57:29,275 INFO L276 IsEmpty]: Start isEmpty. Operand 37766 states and 53466 transitions. [2022-11-26 00:57:29,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-26 00:57:29,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:29,291 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:29,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:57:29,292 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 00:57:29,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:29,292 INFO L85 PathProgramCache]: Analyzing trace with hash 188898995, now seen corresponding path program 1 times [2022-11-26 00:57:29,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:29,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468821587] [2022-11-26 00:57:29,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:29,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:29,903 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 899 trivial. 0 not checked. [2022-11-26 00:57:29,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:29,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468821587] [2022-11-26 00:57:29,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468821587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:29,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:29,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:57:29,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569303209] [2022-11-26 00:57:29,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:29,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:57:29,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:29,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:57:29,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:57:29,907 INFO L87 Difference]: Start difference. First operand 37766 states and 53466 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-26 00:57:32,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:34,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:37,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:40,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:44,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:45,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:45,932 INFO L93 Difference]: Finished difference Result 37779 states and 53475 transitions. [2022-11-26 00:57:45,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:57:45,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 222 [2022-11-26 00:57:45,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:46,051 INFO L225 Difference]: With dead ends: 37779 [2022-11-26 00:57:46,051 INFO L226 Difference]: Without dead ends: 37777 [2022-11-26 00:57:46,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:57:46,063 INFO L413 NwaCegarLoop]: 3226 mSDtfsCounter, 1931 mSDsluCounter, 9136 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1943 SdHoareTripleChecker+Valid, 12362 SdHoareTripleChecker+Invalid, 1533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:46,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1943 Valid, 12362 Invalid, 1533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1528 Invalid, 3 Unknown, 0 Unchecked, 14.7s Time] [2022-11-26 00:57:46,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37777 states. [2022-11-26 00:57:47,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37777 to 37770. [2022-11-26 00:57:47,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37770 states, 22205 states have (on average 1.2618329205133978) internal successors, (28019), 22836 states have internal predecessors, (28019), 12635 states have call successors, (12635), 3017 states have call predecessors, (12635), 2926 states have return successors, (12815), 12281 states have call predecessors, (12815), 12627 states have call successors, (12815) [2022-11-26 00:57:47,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37770 states to 37770 states and 53469 transitions. [2022-11-26 00:57:47,777 INFO L78 Accepts]: Start accepts. Automaton has 37770 states and 53469 transitions. Word has length 222 [2022-11-26 00:57:47,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:47,778 INFO L495 AbstractCegarLoop]: Abstraction has 37770 states and 53469 transitions. [2022-11-26 00:57:47,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-26 00:57:47,779 INFO L276 IsEmpty]: Start isEmpty. Operand 37770 states and 53469 transitions. [2022-11-26 00:57:47,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-26 00:57:47,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:47,787 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:47,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:57:47,788 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 00:57:47,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:47,788 INFO L85 PathProgramCache]: Analyzing trace with hash -367960970, now seen corresponding path program 1 times [2022-11-26 00:57:47,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:47,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402792208] [2022-11-26 00:57:47,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:47,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:48,541 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2022-11-26 00:57:48,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:48,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402792208] [2022-11-26 00:57:48,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402792208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:48,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:48,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:57:48,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227428050] [2022-11-26 00:57:48,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:48,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:57:48,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:48,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:57:48,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:57:48,544 INFO L87 Difference]: Start difference. First operand 37770 states and 53469 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 00:57:51,698 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 [] [2022-11-26 00:57:53,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:55,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:57,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:00,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:03,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:04,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:06,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:58:06,392 INFO L93 Difference]: Finished difference Result 37783 states and 53478 transitions. [2022-11-26 00:58:06,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:58:06,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 223 [2022-11-26 00:58:06,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:58:06,511 INFO L225 Difference]: With dead ends: 37783 [2022-11-26 00:58:06,511 INFO L226 Difference]: Without dead ends: 37781 [2022-11-26 00:58:06,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:58:06,525 INFO L413 NwaCegarLoop]: 3226 mSDtfsCounter, 1932 mSDsluCounter, 9136 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1943 SdHoareTripleChecker+Valid, 12362 SdHoareTripleChecker+Invalid, 1533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:58:06,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1943 Valid, 12362 Invalid, 1533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1528 Invalid, 3 Unknown, 0 Unchecked, 16.3s Time] [2022-11-26 00:58:06,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37781 states. [2022-11-26 00:58:07,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37781 to 37774. [2022-11-26 00:58:07,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37774 states, 22208 states have (on average 1.2617975504322767) internal successors, (28022), 22839 states have internal predecessors, (28022), 12635 states have call successors, (12635), 3018 states have call predecessors, (12635), 2927 states have return successors, (12815), 12281 states have call predecessors, (12815), 12627 states have call successors, (12815) [2022-11-26 00:58:08,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37774 states to 37774 states and 53472 transitions. [2022-11-26 00:58:08,145 INFO L78 Accepts]: Start accepts. Automaton has 37774 states and 53472 transitions. Word has length 223 [2022-11-26 00:58:08,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:58:08,146 INFO L495 AbstractCegarLoop]: Abstraction has 37774 states and 53472 transitions. [2022-11-26 00:58:08,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 00:58:08,147 INFO L276 IsEmpty]: Start isEmpty. Operand 37774 states and 53472 transitions. [2022-11-26 00:58:08,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-26 00:58:08,156 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:58:08,157 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:58:08,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:58:08,157 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 00:58:08,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:58:08,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1379580923, now seen corresponding path program 1 times [2022-11-26 00:58:08,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:58:08,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364367138] [2022-11-26 00:58:08,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:08,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:58:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:58:08,862 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 919 trivial. 0 not checked. [2022-11-26 00:58:08,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:58:08,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364367138] [2022-11-26 00:58:08,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364367138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:58:08,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:58:08,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:58:08,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443468385] [2022-11-26 00:58:08,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:58:08,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:58:08,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:58:08,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:58:08,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:58:08,865 INFO L87 Difference]: Start difference. First operand 37774 states and 53472 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-26 00:58:11,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:14,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:17,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:19,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:21,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:23,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:25,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:29,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:30,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:58:30,774 INFO L93 Difference]: Finished difference Result 37787 states and 53481 transitions. [2022-11-26 00:58:30,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:58:30,774 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 228 [2022-11-26 00:58:30,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:58:30,901 INFO L225 Difference]: With dead ends: 37787 [2022-11-26 00:58:30,901 INFO L226 Difference]: Without dead ends: 37785 [2022-11-26 00:58:30,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:58:30,920 INFO L413 NwaCegarLoop]: 3226 mSDtfsCounter, 1932 mSDsluCounter, 9136 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1942 SdHoareTripleChecker+Valid, 12362 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:58:30,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1942 Valid, 12362 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1527 Invalid, 6 Unknown, 0 Unchecked, 20.5s Time] [2022-11-26 00:58:30,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37785 states. [2022-11-26 00:58:32,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37785 to 37778. [2022-11-26 00:58:32,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37778 states, 22211 states have (on average 1.2617621899059024) internal successors, (28025), 22842 states have internal predecessors, (28025), 12635 states have call successors, (12635), 3019 states have call predecessors, (12635), 2928 states have return successors, (12815), 12281 states have call predecessors, (12815), 12627 states have call successors, (12815) [2022-11-26 00:58:32,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37778 states to 37778 states and 53475 transitions. [2022-11-26 00:58:32,889 INFO L78 Accepts]: Start accepts. Automaton has 37778 states and 53475 transitions. Word has length 228 [2022-11-26 00:58:32,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:58:32,890 INFO L495 AbstractCegarLoop]: Abstraction has 37778 states and 53475 transitions. [2022-11-26 00:58:32,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-26 00:58:32,890 INFO L276 IsEmpty]: Start isEmpty. Operand 37778 states and 53475 transitions. [2022-11-26 00:58:32,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-26 00:58:32,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:58:32,901 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 7, 6, 6, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:58:32,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:58:32,901 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 00:58:32,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:58:32,902 INFO L85 PathProgramCache]: Analyzing trace with hash -347457366, now seen corresponding path program 1 times [2022-11-26 00:58:32,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:58:32,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536704300] [2022-11-26 00:58:32,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:32,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:58:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:58:33,440 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2022-11-26 00:58:33,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:58:33,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536704300] [2022-11-26 00:58:33,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536704300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:58:33,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:58:33,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:58:33,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601589312] [2022-11-26 00:58:33,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:58:33,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:58:33,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:58:33,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:58:33,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:58:33,443 INFO L87 Difference]: Start difference. First operand 37778 states and 53475 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-26 00:58:37,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:39,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:42,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:44,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:48,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:58:48,609 INFO L93 Difference]: Finished difference Result 37791 states and 53484 transitions. [2022-11-26 00:58:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:58:48,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 236 [2022-11-26 00:58:48,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:58:48,758 INFO L225 Difference]: With dead ends: 37791 [2022-11-26 00:58:48,758 INFO L226 Difference]: Without dead ends: 37789 [2022-11-26 00:58:48,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:58:48,780 INFO L413 NwaCegarLoop]: 3223 mSDtfsCounter, 1931 mSDsluCounter, 9130 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1940 SdHoareTripleChecker+Valid, 12353 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:58:48,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1940 Valid, 12353 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1527 Invalid, 3 Unknown, 0 Unchecked, 13.6s Time] [2022-11-26 00:58:48,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37789 states. [2022-11-26 00:58:50,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37789 to 37782. [2022-11-26 00:58:50,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37782 states, 22214 states have (on average 1.2617268389304042) internal successors, (28028), 22845 states have internal predecessors, (28028), 12635 states have call successors, (12635), 3020 states have call predecessors, (12635), 2929 states have return successors, (12815), 12281 states have call predecessors, (12815), 12627 states have call successors, (12815) [2022-11-26 00:58:50,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37782 states to 37782 states and 53478 transitions. [2022-11-26 00:58:50,625 INFO L78 Accepts]: Start accepts. Automaton has 37782 states and 53478 transitions. Word has length 236 [2022-11-26 00:58:50,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:58:50,626 INFO L495 AbstractCegarLoop]: Abstraction has 37782 states and 53478 transitions. [2022-11-26 00:58:50,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-26 00:58:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand 37782 states and 53478 transitions. [2022-11-26 00:58:50,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-26 00:58:50,636 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:58:50,636 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 8, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:58:50,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:58:50,637 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 00:58:50,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:58:50,637 INFO L85 PathProgramCache]: Analyzing trace with hash -3953051, now seen corresponding path program 1 times [2022-11-26 00:58:50,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:58:50,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376561924] [2022-11-26 00:58:50,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:50,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:58:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:58:51,175 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 963 trivial. 0 not checked. [2022-11-26 00:58:51,175 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:58:51,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376561924] [2022-11-26 00:58:51,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376561924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:58:51,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:58:51,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:58:51,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658704114] [2022-11-26 00:58:51,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:58:51,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:58:51,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:58:51,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:58:51,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:58:51,179 INFO L87 Difference]: Start difference. First operand 37782 states and 53478 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-26 00:58:53,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:55,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:57,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:00,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:03,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:07,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:09,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:11,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:12,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:12,751 INFO L93 Difference]: Finished difference Result 37795 states and 53487 transitions. [2022-11-26 00:59:12,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:59:12,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 238 [2022-11-26 00:59:12,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:12,883 INFO L225 Difference]: With dead ends: 37795 [2022-11-26 00:59:12,883 INFO L226 Difference]: Without dead ends: 37793 [2022-11-26 00:59:12,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:59:12,899 INFO L413 NwaCegarLoop]: 3226 mSDtfsCounter, 1932 mSDsluCounter, 9136 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1940 SdHoareTripleChecker+Valid, 12362 SdHoareTripleChecker+Invalid, 1534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:12,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1940 Valid, 12362 Invalid, 1534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1527 Invalid, 5 Unknown, 0 Unchecked, 19.9s Time] [2022-11-26 00:59:12,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37793 states. [2022-11-26 00:59:14,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37793 to 37786. [2022-11-26 00:59:14,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37786 states, 22217 states have (on average 1.261691497501913) internal successors, (28031), 22848 states have internal predecessors, (28031), 12635 states have call successors, (12635), 3021 states have call predecessors, (12635), 2930 states have return successors, (12815), 12281 states have call predecessors, (12815), 12627 states have call successors, (12815) [2022-11-26 00:59:14,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37786 states to 37786 states and 53481 transitions. [2022-11-26 00:59:14,648 INFO L78 Accepts]: Start accepts. Automaton has 37786 states and 53481 transitions. Word has length 238 [2022-11-26 00:59:14,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:14,648 INFO L495 AbstractCegarLoop]: Abstraction has 37786 states and 53481 transitions. [2022-11-26 00:59:14,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-26 00:59:14,649 INFO L276 IsEmpty]: Start isEmpty. Operand 37786 states and 53481 transitions. [2022-11-26 00:59:14,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-26 00:59:14,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:14,659 INFO L195 NwaCegarLoop]: trace histogram [20, 14, 14, 14, 14, 14, 14, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:14,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 00:59:14,660 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 00:59:14,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:14,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1664767295, now seen corresponding path program 1 times [2022-11-26 00:59:14,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:14,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569382224] [2022-11-26 00:59:14,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:14,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:15,695 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2022-11-26 00:59:15,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:15,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569382224] [2022-11-26 00:59:15,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569382224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:15,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:15,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:59:15,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508974729] [2022-11-26 00:59:15,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:15,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:59:15,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:15,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:59:15,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:59:15,698 INFO L87 Difference]: Start difference. First operand 37786 states and 53481 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-26 00:59:18,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:22,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:25,275 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 [] [2022-11-26 00:59:29,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:29,987 INFO L93 Difference]: Finished difference Result 62535 states and 88699 transitions. [2022-11-26 00:59:29,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:59:29,987 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 236 [2022-11-26 00:59:29,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:30,184 INFO L225 Difference]: With dead ends: 62535 [2022-11-26 00:59:30,185 INFO L226 Difference]: Without dead ends: 62533 [2022-11-26 00:59:30,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:59:30,205 INFO L413 NwaCegarLoop]: 4050 mSDtfsCounter, 2789 mSDsluCounter, 10788 mSDsCounter, 0 mSdLazyCounter, 1894 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2790 SdHoareTripleChecker+Valid, 14838 SdHoareTripleChecker+Invalid, 1899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1894 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:30,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2790 Valid, 14838 Invalid, 1899 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1894 Invalid, 3 Unknown, 0 Unchecked, 12.0s Time] [2022-11-26 00:59:30,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62533 states. [2022-11-26 00:59:32,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62533 to 62486. [2022-11-26 00:59:33,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62486 states, 36809 states have (on average 1.2637670135021326) internal successors, (46518), 37882 states have internal predecessors, (46518), 20888 states have call successors, (20888), 4960 states have call predecessors, (20888), 4785 states have return successors, (21212), 20236 states have call predecessors, (21212), 20880 states have call successors, (21212) [2022-11-26 00:59:33,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62486 states to 62486 states and 88618 transitions. [2022-11-26 00:59:33,435 INFO L78 Accepts]: Start accepts. Automaton has 62486 states and 88618 transitions. Word has length 236 [2022-11-26 00:59:33,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:33,436 INFO L495 AbstractCegarLoop]: Abstraction has 62486 states and 88618 transitions. [2022-11-26 00:59:33,436 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-26 00:59:33,436 INFO L276 IsEmpty]: Start isEmpty. Operand 62486 states and 88618 transitions. [2022-11-26 00:59:33,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-11-26 00:59:33,446 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:33,446 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 9, 8, 8, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:33,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-26 00:59:33,446 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 00:59:33,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:33,447 INFO L85 PathProgramCache]: Analyzing trace with hash 726118602, now seen corresponding path program 1 times [2022-11-26 00:59:33,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:33,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028365626] [2022-11-26 00:59:33,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:33,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:34,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1014 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 998 trivial. 0 not checked. [2022-11-26 00:59:34,149 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:34,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028365626] [2022-11-26 00:59:34,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028365626] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:34,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:34,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:59:34,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303048911] [2022-11-26 00:59:34,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:34,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:59:34,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:34,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:59:34,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:59:34,152 INFO L87 Difference]: Start difference. First operand 62486 states and 88618 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-26 00:59:36,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:37,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:39,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:42,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:45,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:47,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:48,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:50,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:53,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:57,465 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 [] [2022-11-26 00:59:59,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:59,818 INFO L93 Difference]: Finished difference Result 62936 states and 89215 transitions. [2022-11-26 00:59:59,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:59:59,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 246 [2022-11-26 00:59:59,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:00,045 INFO L225 Difference]: With dead ends: 62936 [2022-11-26 01:00:00,045 INFO L226 Difference]: Without dead ends: 62934 [2022-11-26 01:00:00,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:00:00,068 INFO L413 NwaCegarLoop]: 4063 mSDtfsCounter, 2853 mSDsluCounter, 10793 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2860 SdHoareTripleChecker+Valid, 14856 SdHoareTripleChecker+Invalid, 1922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:00,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2860 Valid, 14856 Invalid, 1922 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1915 Invalid, 4 Unknown, 0 Unchecked, 23.2s Time] [2022-11-26 01:00:00,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62934 states. [2022-11-26 01:00:02,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62934 to 62517. [2022-11-26 01:00:02,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62517 states, 36818 states have (on average 1.2637296974306047) internal successors, (46528), 37891 states have internal predecessors, (46528), 20907 states have call successors, (20907), 4964 states have call predecessors, (20907), 4788 states have return successors, (21227), 20254 states have call predecessors, (21227), 20895 states have call successors, (21227) [2022-11-26 01:00:03,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62517 states to 62517 states and 88662 transitions. [2022-11-26 01:00:03,165 INFO L78 Accepts]: Start accepts. Automaton has 62517 states and 88662 transitions. Word has length 246 [2022-11-26 01:00:03,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:03,166 INFO L495 AbstractCegarLoop]: Abstraction has 62517 states and 88662 transitions. [2022-11-26 01:00:03,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-26 01:00:03,166 INFO L276 IsEmpty]: Start isEmpty. Operand 62517 states and 88662 transitions. [2022-11-26 01:00:03,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-26 01:00:03,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:03,178 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 10, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:03,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 01:00:03,178 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 01:00:03,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:03,179 INFO L85 PathProgramCache]: Analyzing trace with hash 377114821, now seen corresponding path program 1 times [2022-11-26 01:00:03,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:03,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580489741] [2022-11-26 01:00:03,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:03,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:04,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2022-11-26 01:00:04,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:04,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580489741] [2022-11-26 01:00:04,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580489741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:04,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:04,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:00:04,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342622301] [2022-11-26 01:00:04,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:04,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:00:04,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:04,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:00:04,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:00:04,053 INFO L87 Difference]: Start difference. First operand 62517 states and 88662 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-26 01:00:06,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:00:07,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:00:09,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:00:12,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:00:14,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:00:19,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:19,931 INFO L93 Difference]: Finished difference Result 62577 states and 88736 transitions. [2022-11-26 01:00:19,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:00:19,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 248 [2022-11-26 01:00:19,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:20,296 INFO L225 Difference]: With dead ends: 62577 [2022-11-26 01:00:20,296 INFO L226 Difference]: Without dead ends: 62575 [2022-11-26 01:00:20,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:00:20,319 INFO L413 NwaCegarLoop]: 3243 mSDtfsCounter, 1930 mSDsluCounter, 9170 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1936 SdHoareTripleChecker+Valid, 12413 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:20,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1936 Valid, 12413 Invalid, 1544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1540 Invalid, 2 Unknown, 0 Unchecked, 13.7s Time] [2022-11-26 01:00:20,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62575 states. [2022-11-26 01:00:23,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62575 to 62521. [2022-11-26 01:00:23,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62521 states, 36821 states have (on average 1.263708209988865) internal successors, (46531), 37894 states have internal predecessors, (46531), 20907 states have call successors, (20907), 4965 states have call predecessors, (20907), 4789 states have return successors, (21227), 20254 states have call predecessors, (21227), 20895 states have call successors, (21227) [2022-11-26 01:00:23,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62521 states to 62521 states and 88665 transitions. [2022-11-26 01:00:23,813 INFO L78 Accepts]: Start accepts. Automaton has 62521 states and 88665 transitions. Word has length 248 [2022-11-26 01:00:23,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:23,814 INFO L495 AbstractCegarLoop]: Abstraction has 62521 states and 88665 transitions. [2022-11-26 01:00:23,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-26 01:00:23,814 INFO L276 IsEmpty]: Start isEmpty. Operand 62521 states and 88665 transitions. [2022-11-26 01:00:23,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-26 01:00:23,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:23,827 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 11, 10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:23,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-26 01:00:23,828 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 01:00:23,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:23,828 INFO L85 PathProgramCache]: Analyzing trace with hash -399171626, now seen corresponding path program 1 times [2022-11-26 01:00:23,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:23,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708844785] [2022-11-26 01:00:23,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:23,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:24,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2022-11-26 01:00:24,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:24,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708844785] [2022-11-26 01:00:24,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708844785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:24,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:24,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:00:24,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576011499] [2022-11-26 01:00:24,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:24,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:00:24,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:24,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:00:24,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:00:24,618 INFO L87 Difference]: Start difference. First operand 62521 states and 88665 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-26 01:00:27,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:00:31,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:00:34,005 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 [] [2022-11-26 01:00:38,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:38,970 INFO L93 Difference]: Finished difference Result 62531 states and 88672 transitions. [2022-11-26 01:00:38,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:00:38,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 253 [2022-11-26 01:00:38,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:39,212 INFO L225 Difference]: With dead ends: 62531 [2022-11-26 01:00:39,212 INFO L226 Difference]: Without dead ends: 62529 [2022-11-26 01:00:39,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:00:39,238 INFO L413 NwaCegarLoop]: 3233 mSDtfsCounter, 1867 mSDsluCounter, 9150 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1872 SdHoareTripleChecker+Valid, 12383 SdHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:39,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1872 Valid, 12383 Invalid, 1541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1536 Invalid, 3 Unknown, 0 Unchecked, 11.9s Time] [2022-11-26 01:00:39,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62529 states. [2022-11-26 01:00:42,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62529 to 62525. [2022-11-26 01:00:42,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62525 states, 36824 states have (on average 1.2636867260482294) internal successors, (46534), 37897 states have internal predecessors, (46534), 20907 states have call successors, (20907), 4966 states have call predecessors, (20907), 4790 states have return successors, (21227), 20254 states have call predecessors, (21227), 20895 states have call successors, (21227) [2022-11-26 01:00:42,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62525 states to 62525 states and 88668 transitions. [2022-11-26 01:00:42,535 INFO L78 Accepts]: Start accepts. Automaton has 62525 states and 88668 transitions. Word has length 253 [2022-11-26 01:00:42,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:42,535 INFO L495 AbstractCegarLoop]: Abstraction has 62525 states and 88668 transitions. [2022-11-26 01:00:42,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-26 01:00:42,536 INFO L276 IsEmpty]: Start isEmpty. Operand 62525 states and 88668 transitions. [2022-11-26 01:00:42,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-26 01:00:42,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:42,550 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 12, 11, 11, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:42,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 01:00:42,551 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 01:00:42,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:42,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1929587493, now seen corresponding path program 1 times [2022-11-26 01:00:42,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:42,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170498726] [2022-11-26 01:00:42,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:42,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:43,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1099 trivial. 0 not checked. [2022-11-26 01:00:43,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:43,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170498726] [2022-11-26 01:00:43,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170498726] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:43,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:43,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:00:43,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032611315] [2022-11-26 01:00:43,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:43,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:00:43,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:43,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:00:43,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:00:43,293 INFO L87 Difference]: Start difference. First operand 62525 states and 88668 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-26 01:00:46,742 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 [] [2022-11-26 01:00:50,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:00:53,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:00:57,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:57,402 INFO L93 Difference]: Finished difference Result 62535 states and 88675 transitions. [2022-11-26 01:00:57,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:00:57,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 258 [2022-11-26 01:00:57,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:57,744 INFO L225 Difference]: With dead ends: 62535 [2022-11-26 01:00:57,745 INFO L226 Difference]: Without dead ends: 62533 [2022-11-26 01:00:57,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:00:57,781 INFO L413 NwaCegarLoop]: 3233 mSDtfsCounter, 1867 mSDsluCounter, 9150 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1871 SdHoareTripleChecker+Valid, 12383 SdHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:57,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1871 Valid, 12383 Invalid, 1541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1536 Invalid, 3 Unknown, 0 Unchecked, 11.7s Time] [2022-11-26 01:00:57,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62533 states. [2022-11-26 01:01:00,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62533 to 62529. [2022-11-26 01:01:00,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62529 states, 36827 states have (on average 1.263665245607842) internal successors, (46537), 37900 states have internal predecessors, (46537), 20907 states have call successors, (20907), 4967 states have call predecessors, (20907), 4791 states have return successors, (21227), 20254 states have call predecessors, (21227), 20895 states have call successors, (21227) [2022-11-26 01:01:01,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62529 states to 62529 states and 88671 transitions. [2022-11-26 01:01:01,137 INFO L78 Accepts]: Start accepts. Automaton has 62529 states and 88671 transitions. Word has length 258 [2022-11-26 01:01:01,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:01:01,138 INFO L495 AbstractCegarLoop]: Abstraction has 62529 states and 88671 transitions. [2022-11-26 01:01:01,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-26 01:01:01,139 INFO L276 IsEmpty]: Start isEmpty. Operand 62529 states and 88671 transitions. [2022-11-26 01:01:01,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-11-26 01:01:01,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:01,154 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 13, 12, 12, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:01:01,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-26 01:01:01,155 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 01:01:01,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:01,155 INFO L85 PathProgramCache]: Analyzing trace with hash -770787062, now seen corresponding path program 1 times [2022-11-26 01:01:01,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:01:01,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214957550] [2022-11-26 01:01:01,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:01,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:01:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:01,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1174 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1150 trivial. 0 not checked. [2022-11-26 01:01:01,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:01:01,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214957550] [2022-11-26 01:01:01,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214957550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:01:01,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:01:01,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:01:01,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846083001] [2022-11-26 01:01:01,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:01:01,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:01:01,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:01:01,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:01:01,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:01:01,684 INFO L87 Difference]: Start difference. First operand 62529 states and 88671 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-26 01:01:04,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:06,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:07,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:10,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:12,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:14,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:16,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:18,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:23,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:24,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:01:24,475 INFO L93 Difference]: Finished difference Result 62589 states and 88745 transitions. [2022-11-26 01:01:24,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:01:24,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 266 [2022-11-26 01:01:24,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:01:24,713 INFO L225 Difference]: With dead ends: 62589 [2022-11-26 01:01:24,713 INFO L226 Difference]: Without dead ends: 62587 [2022-11-26 01:01:24,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:01:24,741 INFO L413 NwaCegarLoop]: 3243 mSDtfsCounter, 1929 mSDsluCounter, 9170 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1932 SdHoareTripleChecker+Valid, 12413 SdHoareTripleChecker+Invalid, 1547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-11-26 01:01:24,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1932 Valid, 12413 Invalid, 1547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1542 Invalid, 3 Unknown, 0 Unchecked, 20.5s Time] [2022-11-26 01:01:24,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62587 states. [2022-11-26 01:01:27,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62587 to 62533. [2022-11-26 01:01:27,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62533 states, 36830 states have (on average 1.2636437686668476) internal successors, (46540), 37903 states have internal predecessors, (46540), 20907 states have call successors, (20907), 4968 states have call predecessors, (20907), 4792 states have return successors, (21227), 20254 states have call predecessors, (21227), 20895 states have call successors, (21227) [2022-11-26 01:01:28,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62533 states to 62533 states and 88674 transitions. [2022-11-26 01:01:28,082 INFO L78 Accepts]: Start accepts. Automaton has 62533 states and 88674 transitions. Word has length 266 [2022-11-26 01:01:28,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:01:28,082 INFO L495 AbstractCegarLoop]: Abstraction has 62533 states and 88674 transitions. [2022-11-26 01:01:28,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-26 01:01:28,083 INFO L276 IsEmpty]: Start isEmpty. Operand 62533 states and 88674 transitions. [2022-11-26 01:01:28,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-11-26 01:01:28,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:28,094 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 14, 13, 13, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:01:28,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-26 01:01:28,094 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 01:01:28,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:28,095 INFO L85 PathProgramCache]: Analyzing trace with hash -89920749, now seen corresponding path program 1 times [2022-11-26 01:01:28,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:01:28,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135286947] [2022-11-26 01:01:28,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:28,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:01:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:28,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2022-11-26 01:01:28,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:01:28,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135286947] [2022-11-26 01:01:28,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135286947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:01:28,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:01:28,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:01:28,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263042789] [2022-11-26 01:01:28,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:01:28,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:01:28,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:01:28,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:01:28,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:01:28,959 INFO L87 Difference]: Start difference. First operand 62533 states and 88674 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-26 01:01:33,114 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 [] [2022-11-26 01:01:35,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:38,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:40,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:42,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:44,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:46,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:51,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:01:51,647 INFO L93 Difference]: Finished difference Result 62593 states and 88748 transitions. [2022-11-26 01:01:51,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:01:51,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 272 [2022-11-26 01:01:51,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:01:51,909 INFO L225 Difference]: With dead ends: 62593 [2022-11-26 01:01:51,909 INFO L226 Difference]: Without dead ends: 62591 [2022-11-26 01:01:51,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:01:51,933 INFO L413 NwaCegarLoop]: 3243 mSDtfsCounter, 1929 mSDsluCounter, 9170 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1931 SdHoareTripleChecker+Valid, 12413 SdHoareTripleChecker+Invalid, 1547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:01:51,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1931 Valid, 12413 Invalid, 1547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1540 Invalid, 5 Unknown, 0 Unchecked, 20.2s Time] [2022-11-26 01:01:51,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62591 states. [2022-11-26 01:01:55,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62591 to 62537. [2022-11-26 01:01:55,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62537 states, 36833 states have (on average 1.2636222952243912) internal successors, (46543), 37906 states have internal predecessors, (46543), 20907 states have call successors, (20907), 4969 states have call predecessors, (20907), 4793 states have return successors, (21227), 20254 states have call predecessors, (21227), 20895 states have call successors, (21227) [2022-11-26 01:01:55,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62537 states to 62537 states and 88677 transitions. [2022-11-26 01:01:55,300 INFO L78 Accepts]: Start accepts. Automaton has 62537 states and 88677 transitions. Word has length 272 [2022-11-26 01:01:55,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:01:55,301 INFO L495 AbstractCegarLoop]: Abstraction has 62537 states and 88677 transitions. [2022-11-26 01:01:55,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-26 01:01:55,301 INFO L276 IsEmpty]: Start isEmpty. Operand 62537 states and 88677 transitions. [2022-11-26 01:01:55,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-11-26 01:01:55,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:55,314 INFO L195 NwaCegarLoop]: trace histogram [20, 14, 14, 14, 14, 14, 14, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:01:55,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-26 01:01:55,314 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-26 01:01:55,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:55,315 INFO L85 PathProgramCache]: Analyzing trace with hash 2073426996, now seen corresponding path program 1 times [2022-11-26 01:01:55,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:01:55,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401233868] [2022-11-26 01:01:55,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:55,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:01:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat