./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-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec32099-fc5d-4a43-988d-f59726a8ee77/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec32099-fc5d-4a43-988d-f59726a8ee77/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec32099-fc5d-4a43-988d-f59726a8ee77/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec32099-fc5d-4a43-988d-f59726a8ee77/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec32099-fc5d-4a43-988d-f59726a8ee77/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec32099-fc5d-4a43-988d-f59726a8ee77/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 07:10:55,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:10:55,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:10:55,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:10:55,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:10:55,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:10:55,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:10:55,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:10:55,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:10:55,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:10:55,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:10:55,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:10:55,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:10:55,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:10:55,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:10:55,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:10:55,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:10:55,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:10:55,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:10:55,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:10:55,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:10:55,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:10:55,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:10:55,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:10:55,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:10:55,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:10:55,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:10:55,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:10:55,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:10:55,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:10:55,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:10:55,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:10:55,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:10:55,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:10:55,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:10:55,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:10:55,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:10:55,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:10:55,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:10:55,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:10:55,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:10:55,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec32099-fc5d-4a43-988d-f59726a8ee77/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 07:10:55,225 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:10:55,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:10:55,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:10:55,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:10:55,230 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:10:55,231 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:10:55,231 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:10:55,231 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:10:55,231 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:10:55,231 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:10:55,231 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:10:55,232 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:10:55,232 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:10:55,232 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:10:55,232 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:10:55,232 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:10:55,233 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:10:55,233 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:10:55,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:10:55,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:10:55,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:10:55,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:10:55,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:10:55,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:10:55,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:10:55,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:10:55,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:10:55,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:10:55,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:10:55,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:10:55,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:10:55,235 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:10:55,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:10:55,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:10:55,236 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:10:55,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:10:55,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:10:55,236 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:10:55,236 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_0ec32099-fc5d-4a43-988d-f59726a8ee77/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec32099-fc5d-4a43-988d-f59726a8ee77/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a [2022-12-14 07:10:55,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:10:55,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:10:55,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:10:55,442 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:10:55,442 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:10:55,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec32099-fc5d-4a43-988d-f59726a8ee77/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-12-14 07:10:57,967 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:10:58,368 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:10:58,368 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec32099-fc5d-4a43-988d-f59726a8ee77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-12-14 07:10:58,403 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec32099-fc5d-4a43-988d-f59726a8ee77/bin/utaipan-gh47qXpMRh/data/ec733d3d8/694aff49192148b6ab532611dda529b9/FLAG07e55f039 [2022-12-14 07:10:58,539 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec32099-fc5d-4a43-988d-f59726a8ee77/bin/utaipan-gh47qXpMRh/data/ec733d3d8/694aff49192148b6ab532611dda529b9 [2022-12-14 07:10:58,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:10:58,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:10:58,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:10:58,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:10:58,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:10:58,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:10:58" (1/1) ... [2022-12-14 07:10:58,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c7a5486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:58, skipping insertion in model container [2022-12-14 07:10:58,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:10:58" (1/1) ... [2022-12-14 07:10:58,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:10:58,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:10:59,310 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 07:10:59,342 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 07:10:59,351 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 07:10:59,361 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 07:10:59,400 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 07:10:59,435 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 07:10:59,448 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-14 07:10:59,492 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-14 07:10:59,493 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-14 07:10:59,579 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 07:10:59,583 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 07:10:59,583 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 07:10:59,590 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 07:10:59,597 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 07:10:59,604 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 07:10:59,609 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 07:10:59,637 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 07:10:59,644 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:10:59,646 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 07:10:59,651 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 07:10:59,742 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:10:59,748 WARN L623 FunctionHandler]: Unknown extern function ___pskb_trim [2022-12-14 07:10:59,764 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 07:10:59,817 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 07:10:59,817 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:10:59,880 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 07:10:59,881 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 07:10:59,892 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:10:59,892 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:10:59,929 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 07:10:59,934 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 07:11:00,019 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-14 07:11:00,025 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-14 07:11:00,076 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 07:11:00,139 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 07:11:00,164 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 07:11:00,391 WARN L623 FunctionHandler]: Unknown extern function pci_find_ext_capability [2022-12-14 07:11:00,392 WARN L623 FunctionHandler]: Unknown extern function pcie_capability_write_word [2022-12-14 07:11:00,393 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:00,405 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 07:11:00,411 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:00,418 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:11:00,424 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 07:11:00,424 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:00,426 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:11:00,427 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 07:11:00,433 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 07:11:00,433 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:11:00,440 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 07:11:00,440 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 07:11:00,471 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:00,479 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:00,508 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:00,509 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:00,509 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-12-14 07:11:00,527 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:00,565 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-14 07:11:00,566 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,567 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,567 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 07:11:00,568 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 07:11:00,585 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:11:00,611 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:11:00,611 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 07:11:00,619 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,622 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:11:00,636 WARN L623 FunctionHandler]: Unknown extern function pcie_get_readrq [2022-12-14 07:11:00,637 WARN L623 FunctionHandler]: Unknown extern function pcie_set_readrq [2022-12-14 07:11:00,654 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:00,655 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,702 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 07:11:00,702 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,703 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:00,715 WARN L623 FunctionHandler]: Unknown extern function build_skb [2022-12-14 07:11:00,717 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:00,718 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:11:00,719 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:11:00,734 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:00,734 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:00,735 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:00,736 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:11:00,736 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 07:11:00,736 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 07:11:00,743 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-14 07:11:00,748 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-14 07:11:00,749 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 07:11:00,778 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-14 07:11:00,779 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:00,781 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:00,782 WARN L623 FunctionHandler]: Unknown extern function csum_ipv6_magic [2022-12-14 07:11:00,783 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,813 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:11:00,815 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:11:00,815 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:11:00,821 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 07:11:00,826 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-14 07:11:00,827 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,828 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,828 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 07:11:00,829 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:00,830 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 07:11:00,831 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 07:11:00,831 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:00,843 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:11:00,843 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 07:11:00,849 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:11:00,850 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 07:11:00,851 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:00,857 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 07:11:00,863 WARN L623 FunctionHandler]: Unknown extern function pci_wake_from_d3 [2022-12-14 07:11:00,864 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 07:11:00,875 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-12-14 07:11:00,875 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,876 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,876 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,876 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 07:11:00,877 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,877 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 07:11:00,877 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,879 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,880 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 07:11:00,880 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 07:11:00,880 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,882 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:00,882 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 07:11:00,883 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 07:11:00,883 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,884 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:11:00,884 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 07:11:00,884 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 07:11:00,884 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 07:11:00,890 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 07:11:00,891 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 07:11:00,891 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 07:11:00,897 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 07:11:00,897 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 07:11:00,903 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 07:11:00,903 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,904 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 07:11:00,909 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:00,910 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 07:11:01,424 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,425 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,425 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,425 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,425 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,425 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,426 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,426 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,426 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,426 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,426 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,426 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,427 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,427 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,427 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,427 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,427 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,431 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 07:11:01,433 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 07:11:01,435 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 07:11:01,435 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 07:11:01,441 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 07:11:01,447 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 07:11:01,452 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 07:11:01,463 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 07:11:01,463 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 07:11:01,464 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:11:01,465 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:11:01,465 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:11:01,465 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 07:11:01,466 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:11:01,466 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_trylock [2022-12-14 07:11:01,466 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 07:11:01,467 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 07:11:01,467 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 07:11:01,468 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 07:11:01,468 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 07:11:01,468 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 07:11:01,468 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 07:11:01,469 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 07:11:01,494 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 07:11:01,563 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:01,564 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:11:01,564 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:01,565 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:01,566 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:11:01,567 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:11:01,569 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 07:11:01,571 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:11:01,572 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:11:01,583 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:11:01,583 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:11:01,585 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:01,585 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:01,586 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:01,586 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:01,587 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:01,590 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:01,590 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:11:01,591 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:01,595 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:01,596 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:01,618 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:01,654 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:01,655 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:01,656 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:01,697 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:11:01,698 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:11:01,703 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 07:11:01,704 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 07:11:01,704 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 07:11:01,716 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-14 07:11:01,723 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 07:11:01,776 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 07:11:01,777 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 07:11:01,787 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 07:11:02,541 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_0ec32099-fc5d-4a43-988d-f59726a8ee77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2022-12-14 07:11:02,545 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_0ec32099-fc5d-4a43-988d-f59726a8ee77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2022-12-14 07:11:02,545 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_0ec32099-fc5d-4a43-988d-f59726a8ee77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2022-12-14 07:11:02,546 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_0ec32099-fc5d-4a43-988d-f59726a8ee77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2022-12-14 07:11:02,552 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,553 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,554 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,555 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,555 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,570 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:11:02,619 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:11:02,692 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 07:11:02,692 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 07:11:02,693 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 07:11:02,693 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 07:11:02,693 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 07:11:02,694 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 07:11:02,694 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-14 07:11:02,695 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-14 07:11:02,695 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-14 07:11:02,698 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 07:11:02,699 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 07:11:02,699 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 07:11:02,700 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 07:11:02,701 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 07:11:02,701 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 07:11:02,702 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 07:11:02,703 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 07:11:02,704 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:11:02,704 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 07:11:02,705 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 07:11:02,707 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:11:02,707 WARN L623 FunctionHandler]: Unknown extern function ___pskb_trim [2022-12-14 07:11:02,708 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 07:11:02,709 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 07:11:02,709 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:02,711 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 07:11:02,711 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 07:11:02,711 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:11:02,712 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:11:02,712 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 07:11:02,713 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 07:11:02,713 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-14 07:11:02,714 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-14 07:11:02,716 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 07:11:02,728 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 07:11:02,728 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 07:11:02,738 WARN L623 FunctionHandler]: Unknown extern function pci_find_ext_capability [2022-12-14 07:11:02,738 WARN L623 FunctionHandler]: Unknown extern function pcie_capability_write_word [2022-12-14 07:11:02,739 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:02,741 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 07:11:02,742 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:02,743 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:11:02,744 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 07:11:02,744 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:02,745 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:11:02,746 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 07:11:02,747 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 07:11:02,747 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:11:02,748 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 07:11:02,748 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 07:11:02,752 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:02,754 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:02,757 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:02,757 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:02,758 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-12-14 07:11:02,761 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:02,767 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-14 07:11:02,767 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,768 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,769 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 07:11:02,769 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 07:11:02,770 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:11:02,774 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:11:02,775 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 07:11:02,777 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,779 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:11:02,782 WARN L623 FunctionHandler]: Unknown extern function pcie_get_readrq [2022-12-14 07:11:02,782 WARN L623 FunctionHandler]: Unknown extern function pcie_set_readrq [2022-12-14 07:11:02,790 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:02,791 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,800 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 07:11:02,800 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,801 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:02,802 WARN L623 FunctionHandler]: Unknown extern function build_skb [2022-12-14 07:11:02,803 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:02,804 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:11:02,804 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:11:02,807 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:02,807 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:02,808 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:02,808 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:11:02,808 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 07:11:02,809 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 07:11:02,810 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-14 07:11:02,810 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-14 07:11:02,810 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 07:11:02,813 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-14 07:11:02,814 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:02,815 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:02,815 WARN L623 FunctionHandler]: Unknown extern function csum_ipv6_magic [2022-12-14 07:11:02,816 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,823 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:11:02,824 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:11:02,824 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 07:11:02,825 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 07:11:02,825 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-14 07:11:02,825 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,826 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,826 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 07:11:02,827 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:02,827 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 07:11:02,828 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 07:11:02,828 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:02,829 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:11:02,829 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 07:11:02,830 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:11:02,830 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 07:11:02,831 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:02,832 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 07:11:02,832 WARN L623 FunctionHandler]: Unknown extern function pci_wake_from_d3 [2022-12-14 07:11:02,833 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 07:11:02,834 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-12-14 07:11:02,834 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,835 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,835 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,835 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 07:11:02,835 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,835 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 07:11:02,836 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,839 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,839 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 07:11:02,839 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 07:11:02,840 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,841 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:02,841 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 07:11:02,841 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 07:11:02,850 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,850 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:11:02,851 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 07:11:02,851 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 07:11:02,851 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 07:11:02,852 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 07:11:02,852 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 07:11:02,852 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 07:11:02,852 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 07:11:02,853 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 07:11:02,853 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 07:11:02,853 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,853 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 07:11:02,854 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,854 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 07:11:02,858 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,858 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,859 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,859 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,859 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,859 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,859 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,859 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,860 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,860 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,860 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,860 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,860 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,860 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,860 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,861 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,861 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,863 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 07:11:02,864 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 07:11:02,865 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 07:11:02,866 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 07:11:02,870 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 07:11:02,874 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 07:11:02,890 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 07:11:02,895 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 07:11:02,895 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 07:11:02,897 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:11:02,898 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:11:02,898 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:11:02,898 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 07:11:02,899 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:11:02,899 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_trylock [2022-12-14 07:11:02,899 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 07:11:02,900 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 07:11:02,900 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 07:11:02,900 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 07:11:02,900 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 07:11:02,901 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 07:11:02,901 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 07:11:02,901 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 07:11:02,901 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 07:11:02,905 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:02,906 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:11:02,906 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:02,907 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:02,907 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:11:02,908 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:11:02,918 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 07:11:02,919 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:11:02,920 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:11:02,928 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:11:02,928 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:11:02,930 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,933 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,933 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,934 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,934 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:11:02,939 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:02,939 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 07:11:02,940 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:02,946 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:02,947 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 07:11:02,949 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,950 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:11:02,951 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:02,952 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 07:11:02,963 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:11:02,963 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:11:02,964 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 07:11:02,964 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 07:11:02,964 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 07:11:02,966 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-14 07:11:02,967 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 07:11:02,970 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 07:11:02,970 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 07:11:02,971 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 07:11:02,988 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_0ec32099-fc5d-4a43-988d-f59726a8ee77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2022-12-14 07:11:02,988 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_0ec32099-fc5d-4a43-988d-f59726a8ee77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2022-12-14 07:11:02,989 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_0ec32099-fc5d-4a43-988d-f59726a8ee77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2022-12-14 07:11:02,989 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_0ec32099-fc5d-4a43-988d-f59726a8ee77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2022-12-14 07:11:02,990 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,992 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,993 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,993 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,993 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:02,995 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:11:03,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:11:03,266 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:11:03,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:03 WrapperNode [2022-12-14 07:11:03,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:11:03,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:11:03,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:11:03,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:11:03,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:03" (1/1) ... [2022-12-14 07:11:03,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:03" (1/1) ... [2022-12-14 07:11:03,595 INFO L138 Inliner]: procedures = 699, calls = 4066, calls flagged for inlining = 372, calls inlined = 346, statements flattened = 10275 [2022-12-14 07:11:03,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:11:03,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:11:03,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:11:03,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:11:03,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:03" (1/1) ... [2022-12-14 07:11:03,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:03" (1/1) ... [2022-12-14 07:11:03,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:03" (1/1) ... [2022-12-14 07:11:03,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:03" (1/1) ... [2022-12-14 07:11:03,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:03" (1/1) ... [2022-12-14 07:11:03,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:03" (1/1) ... [2022-12-14 07:11:03,899 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:03" (1/1) ... [2022-12-14 07:11:03,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:03" (1/1) ... [2022-12-14 07:11:04,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:11:04,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:11:04,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:11:04,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:11:04,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:03" (1/1) ... [2022-12-14 07:11:04,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:11:04,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec32099-fc5d-4a43-988d-f59726a8ee77/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:11:04,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec32099-fc5d-4a43-988d-f59726a8ee77/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:11:04,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ec32099-fc5d-4a43-988d-f59726a8ee77/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:11:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2022-12-14 07:11:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2022-12-14 07:11:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-14 07:11:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-14 07:11:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-12-14 07:11:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-12-14 07:11:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2022-12-14 07:11:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2022-12-14 07:11:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-12-14 07:11:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-12-14 07:11:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2022-12-14 07:11:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2022-12-14 07:11:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 07:11:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 07:11:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 07:11:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 07:11:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-12-14 07:11:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-12-14 07:11:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-12-14 07:11:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-12-14 07:11:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 07:11:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 07:11:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2022-12-14 07:11:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2022-12-14 07:11:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 07:11:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 07:11:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-12-14 07:11:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-12-14 07:11:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 07:11:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 07:11:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 07:11:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 07:11:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2022-12-14 07:11:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2022-12-14 07:11:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 07:11:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 07:11:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2022-12-14 07:11:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2022-12-14 07:11:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2022-12-14 07:11:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2022-12-14 07:11:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2022-12-14 07:11:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2022-12-14 07:11:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 07:11:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 07:11:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 07:11:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 07:11:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 07:11:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 07:11:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-14 07:11:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-14 07:11:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 07:11:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 07:11:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 07:11:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 07:11:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 07:11:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 07:11:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-14 07:11:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-14 07:11:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-12-14 07:11:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-12-14 07:11:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:11:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-14 07:11:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-14 07:11:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2022-12-14 07:11:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2022-12-14 07:11:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-12-14 07:11:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-12-14 07:11:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-12-14 07:11:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-12-14 07:11:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2022-12-14 07:11:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2022-12-14 07:11:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 07:11:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 07:11:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2022-12-14 07:11:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2022-12-14 07:11:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 07:11:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2022-12-14 07:11:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2022-12-14 07:11:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2022-12-14 07:11:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2022-12-14 07:11:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2022-12-14 07:11:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2022-12-14 07:11:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 07:11:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 07:11:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 07:11:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 07:11:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2022-12-14 07:11:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2022-12-14 07:11:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 07:11:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 07:11:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 07:11:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:11:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 07:11:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 07:11:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 07:11:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 07:11:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 07:11:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 07:11:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-12-14 07:11:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-12-14 07:11:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 07:11:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 07:11:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 07:11:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 07:11:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 07:11:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 07:11:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2022-12-14 07:11:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2022-12-14 07:11:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 07:11:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 07:11:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:11:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 07:11:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 07:11:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 07:11:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 07:11:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 07:11:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 07:11:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-12-14 07:11:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-12-14 07:11:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:11:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-12-14 07:11:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-12-14 07:11:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 07:11:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 07:11:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 07:11:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 07:11:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:11:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2022-12-14 07:11:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2022-12-14 07:11:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-12-14 07:11:04,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-12-14 07:11:04,084 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 07:11:04,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 07:11:04,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-12-14 07:11:04,085 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-12-14 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 07:11:04,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-12-14 07:11:04,085 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-12-14 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2022-12-14 07:11:04,085 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2022-12-14 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2022-12-14 07:11:04,085 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2022-12-14 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-14 07:11:04,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-14 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-12-14 07:11:04,085 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-12-14 07:11:04,085 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 07:11:04,085 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2022-12-14 07:11:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2022-12-14 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-14 07:11:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-14 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2022-12-14 07:11:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2022-12-14 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-12-14 07:11:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-12-14 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2022-12-14 07:11:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2022-12-14 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2022-12-14 07:11:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2022-12-14 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2022-12-14 07:11:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2022-12-14 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 07:11:04,086 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 07:11:04,086 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2022-12-14 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2022-12-14 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2022-12-14 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2022-12-14 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2022-12-14 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2022-12-14 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2022-12-14 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2022-12-14 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-12-14 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-12-14 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-12-14 07:11:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-12-14 07:11:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-14 07:11:04,088 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-14 07:11:04,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 07:11:04,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 07:11:04,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 07:11:04,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 07:11:04,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-14 07:11:04,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-14 07:11:04,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 07:11:04,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 07:11:04,088 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 07:11:04,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 07:11:04,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-12-14 07:11:04,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-12-14 07:11:04,088 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2022-12-14 07:11:04,088 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2022-12-14 07:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-12-14 07:11:04,089 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-12-14 07:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 07:11:04,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 07:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2022-12-14 07:11:04,089 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2022-12-14 07:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2022-12-14 07:11:04,089 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2022-12-14 07:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-14 07:11:04,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-14 07:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-12-14 07:11:04,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-12-14 07:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-12-14 07:11:04,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-12-14 07:11:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2022-12-14 07:11:04,089 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2022-12-14 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2022-12-14 07:11:04,090 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2022-12-14 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 07:11:04,090 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 07:11:04,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2022-12-14 07:11:04,090 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2022-12-14 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-12-14 07:11:04,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-12-14 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2022-12-14 07:11:04,090 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2022-12-14 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-12-14 07:11:04,090 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-12-14 07:11:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 07:11:04,090 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 07:11:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:11:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-12-14 07:11:04,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-12-14 07:11:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2022-12-14 07:11:04,091 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2022-12-14 07:11:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2022-12-14 07:11:04,091 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2022-12-14 07:11:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-14 07:11:04,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-14 07:11:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:11:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2022-12-14 07:11:04,091 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2022-12-14 07:11:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-12-14 07:11:04,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-12-14 07:11:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2022-12-14 07:11:04,091 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2022-12-14 07:11:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 07:11:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 07:11:04,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 07:11:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-12-14 07:11:04,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-12-14 07:11:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2022-12-14 07:11:04,092 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2022-12-14 07:11:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-12-14 07:11:04,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-12-14 07:11:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-14 07:11:04,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-14 07:11:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2022-12-14 07:11:04,092 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2022-12-14 07:11:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 07:11:04,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 07:11:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 07:11:04,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 07:11:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 07:11:04,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 07:11:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2022-12-14 07:11:04,093 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2022-12-14 07:11:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-12-14 07:11:04,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-12-14 07:11:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2022-12-14 07:11:04,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2022-12-14 07:11:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2022-12-14 07:11:04,093 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2022-12-14 07:11:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2022-12-14 07:11:04,093 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2022-12-14 07:11:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2022-12-14 07:11:04,093 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2022-12-14 07:11:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-14 07:11:04,094 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-14 07:11:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 07:11:04,094 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 07:11:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-12-14 07:11:04,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-12-14 07:11:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-12-14 07:11:04,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-12-14 07:11:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-12-14 07:11:04,094 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-12-14 07:11:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2022-12-14 07:11:04,094 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2022-12-14 07:11:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 07:11:04,094 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 07:11:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2022-12-14 07:11:04,094 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2022-12-14 07:11:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2022-12-14 07:11:04,094 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2022-12-14 07:11:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-12-14 07:11:04,095 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-12-14 07:11:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 07:11:04,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 07:11:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2022-12-14 07:11:04,095 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2022-12-14 07:11:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2022-12-14 07:11:04,095 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2022-12-14 07:11:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:11:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 07:11:04,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 07:11:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2022-12-14 07:11:04,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2022-12-14 07:11:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-14 07:11:04,095 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-14 07:11:04,095 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-14 07:11:04,096 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-14 07:11:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2022-12-14 07:11:04,096 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2022-12-14 07:11:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 07:11:04,096 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 07:11:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2022-12-14 07:11:04,096 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2022-12-14 07:11:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2022-12-14 07:11:04,096 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2022-12-14 07:11:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-12-14 07:11:04,096 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-12-14 07:11:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2022-12-14 07:11:04,096 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2022-12-14 07:11:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 07:11:04,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 07:11:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-14 07:11:04,097 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-14 07:11:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-14 07:11:04,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-14 07:11:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2022-12-14 07:11:04,097 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2022-12-14 07:11:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2022-12-14 07:11:04,097 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2022-12-14 07:11:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-12-14 07:11:04,097 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-12-14 07:11:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-12-14 07:11:04,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-12-14 07:11:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 07:11:04,097 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 07:11:04,097 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2022-12-14 07:11:04,097 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2022-12-14 07:11:04,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:11:04,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 07:11:04,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 07:11:04,972 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:11:04,976 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:11:05,425 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 07:11:14,109 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 07:11:14,455 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:11:16,242 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:11:16,242 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 07:11:16,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:11:16 BoogieIcfgContainer [2022-12-14 07:11:16,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:11:16,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:11:16,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:11:16,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:11:16,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:10:58" (1/3) ... [2022-12-14 07:11:16,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55755f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:11:16, skipping insertion in model container [2022-12-14 07:11:16,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:03" (2/3) ... [2022-12-14 07:11:16,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55755f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:11:16, skipping insertion in model container [2022-12-14 07:11:16,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:11:16" (3/3) ... [2022-12-14 07:11:16,252 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-12-14 07:11:16,266 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:11:16,266 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 07:11:16,340 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:11:16,345 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;@6d42d2d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:11:16,346 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-14 07:11:16,355 INFO L276 IsEmpty]: Start isEmpty. Operand has 3201 states, 1896 states have (on average 1.2674050632911393) internal successors, (2403), 1936 states have internal predecessors, (2403), 1138 states have call successors, (1138), 164 states have call predecessors, (1138), 163 states have return successors, (1129), 1121 states have call predecessors, (1129), 1129 states have call successors, (1129) [2022-12-14 07:11:16,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-12-14 07:11:16,371 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:11:16,372 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:11:16,372 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)] === [2022-12-14 07:11:16,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:11:16,376 INFO L85 PathProgramCache]: Analyzing trace with hash 2027696215, now seen corresponding path program 1 times [2022-12-14 07:11:16,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:11:16,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313048022] [2022-12-14 07:11:16,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:11:16,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:11:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:11:16,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2022-12-14 07:11:16,933 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:11:16,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313048022] [2022-12-14 07:11:16,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313048022] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:11:16,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:11:16,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:11:16,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520426134] [2022-12-14 07:11:16,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:11:16,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:11:16,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:11:16,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:11:16,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:11:16,976 INFO L87 Difference]: Start difference. First operand has 3201 states, 1896 states have (on average 1.2674050632911393) internal successors, (2403), 1936 states have internal predecessors, (2403), 1138 states have call successors, (1138), 164 states have call predecessors, (1138), 163 states have return successors, (1129), 1121 states have call predecessors, (1129), 1129 states have call successors, (1129) 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 07:11:19,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:11:24,072 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 [] [2022-12-14 07:11:24,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:11:24,667 INFO L93 Difference]: Finished difference Result 9442 states and 13929 transitions. [2022-12-14 07:11:24,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:11:24,669 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 194 [2022-12-14 07:11:24,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:11:24,710 INFO L225 Difference]: With dead ends: 9442 [2022-12-14 07:11:24,710 INFO L226 Difference]: Without dead ends: 6263 [2022-12-14 07:11:24,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:11:24,730 INFO L413 NwaCegarLoop]: 5222 mSDtfsCounter, 4513 mSDsluCounter, 4106 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4513 SdHoareTripleChecker+Valid, 9328 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:11:24,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4513 Valid, 9328 Invalid, 1062 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1052 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-12-14 07:11:24,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6263 states. [2022-12-14 07:11:25,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6263 to 6257. [2022-12-14 07:11:25,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6257 states, 3728 states have (on average 1.2631437768240343) internal successors, (4709), 3806 states have internal predecessors, (4709), 2203 states have call successors, (2203), 323 states have call predecessors, (2203), 322 states have return successors, (2199), 2183 states have call predecessors, (2199), 2199 states have call successors, (2199) [2022-12-14 07:11:25,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6257 states to 6257 states and 9111 transitions. [2022-12-14 07:11:25,090 INFO L78 Accepts]: Start accepts. Automaton has 6257 states and 9111 transitions. Word has length 194 [2022-12-14 07:11:25,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:11:25,090 INFO L495 AbstractCegarLoop]: Abstraction has 6257 states and 9111 transitions. [2022-12-14 07:11:25,091 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 07:11:25,091 INFO L276 IsEmpty]: Start isEmpty. Operand 6257 states and 9111 transitions. [2022-12-14 07:11:25,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-12-14 07:11:25,094 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:11:25,095 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:11:25,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:11:25,095 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)] === [2022-12-14 07:11:25,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:11:25,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1448842004, now seen corresponding path program 1 times [2022-12-14 07:11:25,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:11:25,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131480651] [2022-12-14 07:11:25,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:11:25,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:11:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:11:25,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-12-14 07:11:25,384 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:11:25,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131480651] [2022-12-14 07:11:25,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131480651] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:11:25,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:11:25,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:11:25,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210434610] [2022-12-14 07:11:25,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:11:25,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:11:25,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:11:25,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:11:25,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:11:25,388 INFO L87 Difference]: Start difference. First operand 6257 states and 9111 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-14 07:11:27,821 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 [] [2022-12-14 07:11:32,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:11:32,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:11:32,822 INFO L93 Difference]: Finished difference Result 18573 states and 27097 transitions. [2022-12-14 07:11:32,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:11:32,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 193 [2022-12-14 07:11:32,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:11:32,881 INFO L225 Difference]: With dead ends: 18573 [2022-12-14 07:11:32,881 INFO L226 Difference]: Without dead ends: 12351 [2022-12-14 07:11:32,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:11:32,908 INFO L413 NwaCegarLoop]: 5344 mSDtfsCounter, 4591 mSDsluCounter, 4038 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4591 SdHoareTripleChecker+Valid, 9382 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:11:32,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4591 Valid, 9382 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1034 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-12-14 07:11:32,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12351 states. [2022-12-14 07:11:33,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12351 to 12316. [2022-12-14 07:11:33,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12316 states, 7371 states have (on average 1.2652285985619318) internal successors, (9326), 7530 states have internal predecessors, (9326), 4304 states have call successors, (4304), 644 states have call predecessors, (4304), 637 states have return successors, (4360), 4245 states have call predecessors, (4360), 4300 states have call successors, (4360) [2022-12-14 07:11:33,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12316 states to 12316 states and 17990 transitions. [2022-12-14 07:11:33,564 INFO L78 Accepts]: Start accepts. Automaton has 12316 states and 17990 transitions. Word has length 193 [2022-12-14 07:11:33,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:11:33,565 INFO L495 AbstractCegarLoop]: Abstraction has 12316 states and 17990 transitions. [2022-12-14 07:11:33,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-14 07:11:33,565 INFO L276 IsEmpty]: Start isEmpty. Operand 12316 states and 17990 transitions. [2022-12-14 07:11:33,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-12-14 07:11:33,570 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:11:33,570 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:11:33,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:11:33,570 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)] === [2022-12-14 07:11:33,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:11:33,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1106906031, now seen corresponding path program 1 times [2022-12-14 07:11:33,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:11:33,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228503432] [2022-12-14 07:11:33,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:11:33,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:11:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:11:33,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-12-14 07:11:33,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:11:33,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228503432] [2022-12-14 07:11:33,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228503432] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:11:33,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:11:33,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:11:33,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143659065] [2022-12-14 07:11:33,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:11:33,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:11:33,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:11:33,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:11:33,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:11:33,865 INFO L87 Difference]: Start difference. First operand 12316 states and 17990 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 07:11:36,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:11:39,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:11:40,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:11:40,704 INFO L93 Difference]: Finished difference Result 36664 states and 53904 transitions. [2022-12-14 07:11:40,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:11:40,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 210 [2022-12-14 07:11:40,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:11:40,796 INFO L225 Difference]: With dead ends: 36664 [2022-12-14 07:11:40,797 INFO L226 Difference]: Without dead ends: 24383 [2022-12-14 07:11:40,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:11:40,836 INFO L413 NwaCegarLoop]: 5330 mSDtfsCounter, 4598 mSDsluCounter, 4068 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4598 SdHoareTripleChecker+Valid, 9398 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:11:40,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4598 Valid, 9398 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1047 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-12-14 07:11:40,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24383 states. [2022-12-14 07:11:41,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24383 to 24344. [2022-12-14 07:11:41,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24344 states, 14605 states have (on average 1.266004792879151) internal successors, (18490), 14928 states have internal predecessors, (18490), 8480 states have call successors, (8480), 1278 states have call predecessors, (8480), 1255 states have return successors, (8934), 8337 states have call predecessors, (8934), 8476 states have call successors, (8934) [2022-12-14 07:11:42,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24344 states to 24344 states and 35904 transitions. [2022-12-14 07:11:42,014 INFO L78 Accepts]: Start accepts. Automaton has 24344 states and 35904 transitions. Word has length 210 [2022-12-14 07:11:42,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:11:42,014 INFO L495 AbstractCegarLoop]: Abstraction has 24344 states and 35904 transitions. [2022-12-14 07:11:42,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 07:11:42,015 INFO L276 IsEmpty]: Start isEmpty. Operand 24344 states and 35904 transitions. [2022-12-14 07:11:42,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-12-14 07:11:42,020 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:11:42,020 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:11:42,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 07:11:42,021 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)] === [2022-12-14 07:11:42,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:11:42,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1158584689, now seen corresponding path program 1 times [2022-12-14 07:11:42,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:11:42,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85505165] [2022-12-14 07:11:42,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:11:42,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:11:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:11:42,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-12-14 07:11:42,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:11:42,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85505165] [2022-12-14 07:11:42,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85505165] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:11:42,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:11:42,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:11:42,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255897822] [2022-12-14 07:11:42,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:11:42,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:11:42,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:11:42,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:11:42,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:11:42,203 INFO L87 Difference]: Start difference. First operand 24344 states and 35904 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 07:11:46,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:11:49,292 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 [] [2022-12-14 07:11:49,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:11:49,762 INFO L93 Difference]: Finished difference Result 66656 states and 98031 transitions. [2022-12-14 07:11:49,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:11:49,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 213 [2022-12-14 07:11:49,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:11:49,959 INFO L225 Difference]: With dead ends: 66656 [2022-12-14 07:11:49,959 INFO L226 Difference]: Without dead ends: 42347 [2022-12-14 07:11:50,032 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 [2022-12-14 07:11:50,033 INFO L413 NwaCegarLoop]: 4946 mSDtfsCounter, 3374 mSDsluCounter, 4060 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3374 SdHoareTripleChecker+Valid, 9006 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:11:50,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3374 Valid, 9006 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1071 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-12-14 07:11:50,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42347 states. [2022-12-14 07:11:51,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42347 to 42308. [2022-12-14 07:11:51,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42308 states, 25285 states have (on average 1.2604310856238876) internal successors, (31870), 25866 states have internal predecessors, (31870), 14656 states have call successors, (14656), 2410 states have call predecessors, (14656), 2363 states have return successors, (15562), 14371 states have call predecessors, (15562), 14652 states have call successors, (15562) [2022-12-14 07:11:51,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42308 states to 42308 states and 62088 transitions. [2022-12-14 07:11:51,926 INFO L78 Accepts]: Start accepts. Automaton has 42308 states and 62088 transitions. Word has length 213 [2022-12-14 07:11:51,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:11:51,926 INFO L495 AbstractCegarLoop]: Abstraction has 42308 states and 62088 transitions. [2022-12-14 07:11:51,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 07:11:51,926 INFO L276 IsEmpty]: Start isEmpty. Operand 42308 states and 62088 transitions. [2022-12-14 07:11:51,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-12-14 07:11:51,930 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:11:51,930 INFO L195 NwaCegarLoop]: trace histogram [19, 17, 17, 17, 17, 17, 17, 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] [2022-12-14 07:11:51,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 07:11:51,931 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)] === [2022-12-14 07:11:51,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:11:51,931 INFO L85 PathProgramCache]: Analyzing trace with hash -411994999, now seen corresponding path program 1 times [2022-12-14 07:11:51,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:11:51,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955979940] [2022-12-14 07:11:51,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:11:51,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:11:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:11:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2022-12-14 07:11:52,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:11:52,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955979940] [2022-12-14 07:11:52,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955979940] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:11:52,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:11:52,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:11:52,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540830761] [2022-12-14 07:11:52,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:11:52,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:11:52,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:11:52,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:11:52,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:11:52,186 INFO L87 Difference]: Start difference. First operand 42308 states and 62088 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 07:11:57,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:11:59,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:11:59,126 INFO L93 Difference]: Finished difference Result 95519 states and 140071 transitions. [2022-12-14 07:11:59,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:11:59,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 213 [2022-12-14 07:11:59,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:11:59,317 INFO L225 Difference]: With dead ends: 95519 [2022-12-14 07:11:59,317 INFO L226 Difference]: Without dead ends: 53246 [2022-12-14 07:11:59,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:11:59,433 INFO L413 NwaCegarLoop]: 5386 mSDtfsCounter, 4564 mSDsluCounter, 4118 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4564 SdHoareTripleChecker+Valid, 9504 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:11:59,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4564 Valid, 9504 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1038 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 07:11:59,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53246 states. [2022-12-14 07:12:01,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53246 to 53199. [2022-12-14 07:12:01,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53199 states, 31753 states have (on average 1.260290366264605) internal successors, (40018), 32505 states have internal predecessors, (40018), 18446 states have call successors, (18446), 3052 states have call predecessors, (18446), 2996 states have return successors, (19489), 18071 states have call predecessors, (19489), 18442 states have call successors, (19489) [2022-12-14 07:12:01,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53199 states to 53199 states and 77953 transitions. [2022-12-14 07:12:01,869 INFO L78 Accepts]: Start accepts. Automaton has 53199 states and 77953 transitions. Word has length 213 [2022-12-14 07:12:01,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:12:01,870 INFO L495 AbstractCegarLoop]: Abstraction has 53199 states and 77953 transitions. [2022-12-14 07:12:01,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 07:12:01,870 INFO L276 IsEmpty]: Start isEmpty. Operand 53199 states and 77953 transitions. [2022-12-14 07:12:01,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-12-14 07:12:01,874 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:12:01,874 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 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] [2022-12-14 07:12:01,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 07:12:01,874 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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)] === [2022-12-14 07:12:01,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:12:01,875 INFO L85 PathProgramCache]: Analyzing trace with hash -157416976, now seen corresponding path program 1 times [2022-12-14 07:12:01,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:12:01,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994361250] [2022-12-14 07:12:01,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:12:01,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:12:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:12:02,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2022-12-14 07:12:02,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:12:02,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994361250] [2022-12-14 07:12:02,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994361250] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:12:02,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:12:02,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:12:02,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653752057] [2022-12-14 07:12:02,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:12:02,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:12:02,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:12:02,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:12:02,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:12:02,074 INFO L87 Difference]: Start difference. First operand 53199 states and 77953 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 07:12:05,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:12:10,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:12:12,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:12:12,574 INFO L93 Difference]: Finished difference Result 155803 states and 227390 transitions. [2022-12-14 07:12:12,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:12:12,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 223 [2022-12-14 07:12:12,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:12:12,939 INFO L225 Difference]: With dead ends: 155803 [2022-12-14 07:12:12,939 INFO L226 Difference]: Without dead ends: 102639 [2022-12-14 07:12:13,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:12:13,096 INFO L413 NwaCegarLoop]: 6217 mSDtfsCounter, 4306 mSDsluCounter, 4061 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4306 SdHoareTripleChecker+Valid, 10278 SdHoareTripleChecker+Invalid, 1337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:12:13,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4306 Valid, 10278 Invalid, 1337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1307 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2022-12-14 07:12:13,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102639 states. [2022-12-14 07:12:17,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102639 to 102568. [2022-12-14 07:12:17,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102568 states, 61107 states have (on average 1.2497913495998823) internal successors, (76371), 62478 states have internal predecessors, (76371), 35553 states have call successors, (35553), 6015 states have call predecessors, (35553), 5904 states have return successors, (36923), 34872 states have call predecessors, (36923), 35549 states have call successors, (36923) [2022-12-14 07:12:18,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102568 states to 102568 states and 148847 transitions. [2022-12-14 07:12:18,043 INFO L78 Accepts]: Start accepts. Automaton has 102568 states and 148847 transitions. Word has length 223 [2022-12-14 07:12:18,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:12:18,044 INFO L495 AbstractCegarLoop]: Abstraction has 102568 states and 148847 transitions. [2022-12-14 07:12:18,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 07:12:18,044 INFO L276 IsEmpty]: Start isEmpty. Operand 102568 states and 148847 transitions. [2022-12-14 07:12:18,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-12-14 07:12:18,048 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:12:18,048 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 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] [2022-12-14 07:12:18,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 07:12:18,048 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)] === [2022-12-14 07:12:18,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:12:18,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1304222311, now seen corresponding path program 1 times [2022-12-14 07:12:18,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:12:18,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651279828] [2022-12-14 07:12:18,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:12:18,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:12:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:12:18,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1270 trivial. 0 not checked. [2022-12-14 07:12:18,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:12:18,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651279828] [2022-12-14 07:12:18,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651279828] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:12:18,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:12:18,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:12:18,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436424599] [2022-12-14 07:12:18,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:12:18,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:12:18,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:12:18,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:12:18,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:12:18,418 INFO L87 Difference]: Start difference. First operand 102568 states and 148847 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 07:12:21,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:12:23,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:12:27,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:12:32,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:12:34,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:12:34,852 INFO L93 Difference]: Finished difference Result 184905 states and 268420 transitions. [2022-12-14 07:12:34,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:12:34,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 238 [2022-12-14 07:12:34,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:12:35,502 INFO L225 Difference]: With dead ends: 184905 [2022-12-14 07:12:35,502 INFO L226 Difference]: Without dead ends: 184903 [2022-12-14 07:12:35,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:12:35,570 INFO L413 NwaCegarLoop]: 5278 mSDtfsCounter, 4565 mSDsluCounter, 14609 mSDsCounter, 0 mSdLazyCounter, 2084 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4580 SdHoareTripleChecker+Valid, 19887 SdHoareTripleChecker+Invalid, 2087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2084 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:12:35,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4580 Valid, 19887 Invalid, 2087 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2084 Invalid, 1 Unknown, 0 Unchecked, 11.5s Time] [2022-12-14 07:12:35,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184903 states. [2022-12-14 07:12:43,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184903 to 184895. [2022-12-14 07:12:44,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184895 states, 110127 states have (on average 1.2501566373368929) internal successors, (137676), 112622 states have internal predecessors, (137676), 64092 states have call successors, (64092), 10876 states have call predecessors, (64092), 10672 states have return successors, (66646), 62826 states have call predecessors, (66646), 64084 states have call successors, (66646) [2022-12-14 07:12:44,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184895 states to 184895 states and 268414 transitions. [2022-12-14 07:12:44,879 INFO L78 Accepts]: Start accepts. Automaton has 184895 states and 268414 transitions. Word has length 238 [2022-12-14 07:12:44,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:12:44,880 INFO L495 AbstractCegarLoop]: Abstraction has 184895 states and 268414 transitions. [2022-12-14 07:12:44,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 07:12:44,880 INFO L276 IsEmpty]: Start isEmpty. Operand 184895 states and 268414 transitions. [2022-12-14 07:12:44,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-12-14 07:12:44,886 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:12:44,886 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:12:44,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 07:12:44,886 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)] === [2022-12-14 07:12:44,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:12:44,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1521050512, now seen corresponding path program 1 times [2022-12-14 07:12:44,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:12:44,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711003054] [2022-12-14 07:12:44,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:12:44,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:12:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:12:45,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2022-12-14 07:12:45,236 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:12:45,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711003054] [2022-12-14 07:12:45,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711003054] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:12:45,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:12:45,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:12:45,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061274816] [2022-12-14 07:12:45,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:12:45,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:12:45,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:12:45,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:12:45,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:12:45,238 INFO L87 Difference]: Start difference. First operand 184895 states and 268414 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 07:12:48,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:12:54,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:12:59,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:12:59,783 INFO L93 Difference]: Finished difference Result 184909 states and 268423 transitions. [2022-12-14 07:12:59,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:12:59,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 242 [2022-12-14 07:12:59,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:13:00,451 INFO L225 Difference]: With dead ends: 184909 [2022-12-14 07:13:00,451 INFO L226 Difference]: Without dead ends: 184907 [2022-12-14 07:13:00,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:13:00,530 INFO L413 NwaCegarLoop]: 5451 mSDtfsCounter, 4561 mSDsluCounter, 14949 mSDsCounter, 0 mSdLazyCounter, 2084 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4575 SdHoareTripleChecker+Valid, 20400 SdHoareTripleChecker+Invalid, 2087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2084 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-12-14 07:13:00,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4575 Valid, 20400 Invalid, 2087 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2084 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2022-12-14 07:13:00,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184907 states. [2022-12-14 07:13:09,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184907 to 184899. [2022-12-14 07:13:09,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184899 states, 110130 states have (on average 1.2501498229365295) internal successors, (137679), 112625 states have internal predecessors, (137679), 64092 states have call successors, (64092), 10877 states have call predecessors, (64092), 10673 states have return successors, (66646), 62826 states have call predecessors, (66646), 64084 states have call successors, (66646) [2022-12-14 07:13:09,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184899 states to 184899 states and 268417 transitions. [2022-12-14 07:13:09,854 INFO L78 Accepts]: Start accepts. Automaton has 184899 states and 268417 transitions. Word has length 242 [2022-12-14 07:13:09,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:13:09,855 INFO L495 AbstractCegarLoop]: Abstraction has 184899 states and 268417 transitions. [2022-12-14 07:13:09,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 07:13:09,855 INFO L276 IsEmpty]: Start isEmpty. Operand 184899 states and 268417 transitions. [2022-12-14 07:13:09,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-12-14 07:13:09,860 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:13:09,860 INFO L195 NwaCegarLoop]: trace histogram [19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:13:09,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 07:13:09,861 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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)] === [2022-12-14 07:13:09,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:13:09,861 INFO L85 PathProgramCache]: Analyzing trace with hash 151763416, now seen corresponding path program 1 times [2022-12-14 07:13:09,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:13:09,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292584341] [2022-12-14 07:13:09,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:13:09,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:13:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:13:10,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2022-12-14 07:13:10,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:13:10,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292584341] [2022-12-14 07:13:10,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292584341] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:13:10,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:13:10,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:13:10,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128423499] [2022-12-14 07:13:10,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:13:10,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:13:10,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:13:10,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:13:10,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:13:10,072 INFO L87 Difference]: Start difference. First operand 184899 states and 268417 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-14 07:13:13,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:13:19,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:13:26,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:13:26,866 INFO L93 Difference]: Finished difference Result 520958 states and 755751 transitions. [2022-12-14 07:13:26,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:13:26,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 243 [2022-12-14 07:13:26,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:13:28,332 INFO L225 Difference]: With dead ends: 520958 [2022-12-14 07:13:28,332 INFO L226 Difference]: Without dead ends: 336094 [2022-12-14 07:13:28,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:13:28,873 INFO L413 NwaCegarLoop]: 5857 mSDtfsCounter, 4490 mSDsluCounter, 4095 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4490 SdHoareTripleChecker+Valid, 9952 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:13:28,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4490 Valid, 9952 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1160 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-12-14 07:13:29,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336094 states. [2022-12-14 07:13:45,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336094 to 335904. [2022-12-14 07:13:45,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335904 states, 200130 states have (on average 1.2469045120671562) internal successors, (249543), 204794 states have internal predecessors, (249543), 116210 states have call successors, (116210), 19939 states have call predecessors, (116210), 19560 states have return successors, (120739), 113774 states have call predecessors, (120739), 116202 states have call successors, (120739) [2022-12-14 07:13:47,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335904 states to 335904 states and 486492 transitions. [2022-12-14 07:13:47,211 INFO L78 Accepts]: Start accepts. Automaton has 335904 states and 486492 transitions. Word has length 243 [2022-12-14 07:13:47,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:13:47,211 INFO L495 AbstractCegarLoop]: Abstraction has 335904 states and 486492 transitions. [2022-12-14 07:13:47,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-14 07:13:47,212 INFO L276 IsEmpty]: Start isEmpty. Operand 335904 states and 486492 transitions. [2022-12-14 07:13:47,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-12-14 07:13:47,217 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:13:47,217 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:13:47,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 07:13:47,217 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)] === [2022-12-14 07:13:47,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:13:47,218 INFO L85 PathProgramCache]: Analyzing trace with hash -454615053, now seen corresponding path program 1 times [2022-12-14 07:13:47,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:13:47,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704864775] [2022-12-14 07:13:47,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:13:47,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:13:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:13:47,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-12-14 07:13:47,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:13:47,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704864775] [2022-12-14 07:13:47,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704864775] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:13:47,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:13:47,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:13:47,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804098906] [2022-12-14 07:13:47,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:13:47,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:13:47,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:13:47,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:13:47,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:13:47,743 INFO L87 Difference]: Start difference. First operand 335904 states and 486492 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-12-14 07:13:51,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:13:52,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:13:58,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:14:04,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:14:08,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:14:08,373 INFO L93 Difference]: Finished difference Result 335918 states and 486501 transitions. [2022-12-14 07:14:08,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:14:08,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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 249 [2022-12-14 07:14:08,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:14:09,803 INFO L225 Difference]: With dead ends: 335918 [2022-12-14 07:14:09,803 INFO L226 Difference]: Without dead ends: 335916 [2022-12-14 07:14:09,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:14:09,930 INFO L413 NwaCegarLoop]: 5479 mSDtfsCounter, 4560 mSDsluCounter, 15005 mSDsCounter, 0 mSdLazyCounter, 2083 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4573 SdHoareTripleChecker+Valid, 20484 SdHoareTripleChecker+Invalid, 2087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2083 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:14:09,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4573 Valid, 20484 Invalid, 2087 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2083 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2022-12-14 07:14:10,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335916 states. [2022-12-14 07:14:26,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335916 to 335908. [2022-12-14 07:14:27,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335908 states, 200133 states have (on average 1.2469008109607111) internal successors, (249546), 204797 states have internal predecessors, (249546), 116210 states have call successors, (116210), 19940 states have call predecessors, (116210), 19561 states have return successors, (120739), 113774 states have call predecessors, (120739), 116202 states have call successors, (120739) [2022-12-14 07:14:29,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335908 states to 335908 states and 486495 transitions. [2022-12-14 07:14:29,112 INFO L78 Accepts]: Start accepts. Automaton has 335908 states and 486495 transitions. Word has length 249 [2022-12-14 07:14:29,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:14:29,113 INFO L495 AbstractCegarLoop]: Abstraction has 335908 states and 486495 transitions. [2022-12-14 07:14:29,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-12-14 07:14:29,113 INFO L276 IsEmpty]: Start isEmpty. Operand 335908 states and 486495 transitions. [2022-12-14 07:14:29,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-12-14 07:14:29,117 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:14:29,117 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 5, 5, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:14:29,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 07:14:29,117 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)] === [2022-12-14 07:14:29,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:14:29,118 INFO L85 PathProgramCache]: Analyzing trace with hash 8363706, now seen corresponding path program 1 times [2022-12-14 07:14:29,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:14:29,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572671751] [2022-12-14 07:14:29,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:14:29,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:14:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:14:29,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1288 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2022-12-14 07:14:29,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:14:29,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572671751] [2022-12-14 07:14:29,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572671751] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:14:29,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:14:29,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:14:29,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136493791] [2022-12-14 07:14:29,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:14:29,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:14:29,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:14:29,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:14:29,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:14:29,405 INFO L87 Difference]: Start difference. First operand 335908 states and 486495 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-12-14 07:14:33,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:14:42,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:14:53,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:14:53,426 INFO L93 Difference]: Finished difference Result 507480 states and 735011 transitions. [2022-12-14 07:14:53,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:14:53,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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 253 [2022-12-14 07:14:53,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:14:55,652 INFO L225 Difference]: With dead ends: 507480 [2022-12-14 07:14:55,652 INFO L226 Difference]: Without dead ends: 507478 [2022-12-14 07:14:55,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:14:55,864 INFO L413 NwaCegarLoop]: 6157 mSDtfsCounter, 4537 mSDsluCounter, 16361 mSDsCounter, 0 mSdLazyCounter, 2530 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4549 SdHoareTripleChecker+Valid, 22518 SdHoareTripleChecker+Invalid, 2534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2530 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:14:55,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4549 Valid, 22518 Invalid, 2534 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2530 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2022-12-14 07:14:56,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507478 states. [2022-12-14 07:15:23,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507478 to 507334. [2022-12-14 07:15:23,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507334 states, 302402 states have (on average 1.2470254826356968) internal successors, (377103), 309515 states have internal predecessors, (377103), 175476 states have call successors, (175476), 30025 states have call predecessors, (175476), 29452 states have return successors, (182290), 171737 states have call predecessors, (182290), 175464 states have call successors, (182290) [2022-12-14 07:15:26,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507334 states to 507334 states and 734869 transitions. [2022-12-14 07:15:26,761 INFO L78 Accepts]: Start accepts. Automaton has 507334 states and 734869 transitions. Word has length 253 [2022-12-14 07:15:26,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:15:26,762 INFO L495 AbstractCegarLoop]: Abstraction has 507334 states and 734869 transitions. [2022-12-14 07:15:26,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-12-14 07:15:26,762 INFO L276 IsEmpty]: Start isEmpty. Operand 507334 states and 734869 transitions. [2022-12-14 07:15:26,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-12-14 07:15:26,766 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:15:26,766 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:15:26,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 07:15:26,767 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)] === [2022-12-14 07:15:26,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:15:26,767 INFO L85 PathProgramCache]: Analyzing trace with hash 503830483, now seen corresponding path program 1 times [2022-12-14 07:15:26,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:15:26,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704545831] [2022-12-14 07:15:26,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:15:26,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:15:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:15:27,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1295 trivial. 0 not checked. [2022-12-14 07:15:27,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:15:27,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704545831] [2022-12-14 07:15:27,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704545831] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:15:27,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:15:27,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:15:27,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973643872] [2022-12-14 07:15:27,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:15:27,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:15:27,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:15:27,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:15:27,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:15:27,075 INFO L87 Difference]: Start difference. First operand 507334 states and 734869 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 07:15:31,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:15:40,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:15:54,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:15:54,122 INFO L93 Difference]: Finished difference Result 507352 states and 734882 transitions. [2022-12-14 07:15:54,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:15:54,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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 259 [2022-12-14 07:15:54,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:15:56,442 INFO L225 Difference]: With dead ends: 507352 [2022-12-14 07:15:56,442 INFO L226 Difference]: Without dead ends: 507350 [2022-12-14 07:15:56,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:15:56,672 INFO L413 NwaCegarLoop]: 5479 mSDtfsCounter, 4560 mSDsluCounter, 15005 mSDsCounter, 0 mSdLazyCounter, 2084 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4571 SdHoareTripleChecker+Valid, 20484 SdHoareTripleChecker+Invalid, 2087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2084 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:15:56,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4571 Valid, 20484 Invalid, 2087 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2084 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2022-12-14 07:15:57,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507350 states. [2022-12-14 07:16:26,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507350 to 507342. [2022-12-14 07:16:26,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507342 states, 302408 states have (on average 1.2470205814660988) internal successors, (377109), 309521 states have internal predecessors, (377109), 175476 states have call successors, (175476), 30027 states have call predecessors, (175476), 29454 states have return successors, (182290), 171737 states have call predecessors, (182290), 175464 states have call successors, (182290) [2022-12-14 07:16:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507342 states to 507342 states and 734875 transitions. [2022-12-14 07:16:29,962 INFO L78 Accepts]: Start accepts. Automaton has 507342 states and 734875 transitions. Word has length 259 [2022-12-14 07:16:29,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:16:29,962 INFO L495 AbstractCegarLoop]: Abstraction has 507342 states and 734875 transitions. [2022-12-14 07:16:29,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 07:16:29,963 INFO L276 IsEmpty]: Start isEmpty. Operand 507342 states and 734875 transitions. [2022-12-14 07:16:29,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-12-14 07:16:29,970 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:16:29,970 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 6, 5, 5, 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] [2022-12-14 07:16:29,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 07:16:29,970 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)] === [2022-12-14 07:16:29,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:16:29,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1530469216, now seen corresponding path program 1 times [2022-12-14 07:16:29,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:16:29,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947207463] [2022-12-14 07:16:29,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:16:29,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:16:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:16:30,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1321 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2022-12-14 07:16:30,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:16:30,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947207463] [2022-12-14 07:16:30,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947207463] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:16:30,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:16:30,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:16:30,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648609154] [2022-12-14 07:16:30,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:16:30,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:16:30,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:16:30,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:16:30,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:16:30,506 INFO L87 Difference]: Start difference. First operand 507342 states and 734875 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-12-14 07:16:35,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:16:43,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:16:58,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:16:58,243 INFO L93 Difference]: Finished difference Result 507360 states and 734888 transitions. [2022-12-14 07:16:58,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:16:58,244 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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 264 [2022-12-14 07:16:58,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:00,466 INFO L225 Difference]: With dead ends: 507360 [2022-12-14 07:17:00,466 INFO L226 Difference]: Without dead ends: 507358 [2022-12-14 07:17:00,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:17:00,682 INFO L413 NwaCegarLoop]: 5474 mSDtfsCounter, 4560 mSDsluCounter, 14995 mSDsCounter, 0 mSdLazyCounter, 2084 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4570 SdHoareTripleChecker+Valid, 20469 SdHoareTripleChecker+Invalid, 2087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2084 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:00,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4570 Valid, 20469 Invalid, 2087 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2084 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2022-12-14 07:17:01,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507358 states.