./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ce7b7e06b36a72b3de911fb70c1b245fd97c856ddcef7fa1f63b6ddc09812498 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:32:14,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:32:14,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:32:14,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:32:14,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:32:14,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:32:14,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:32:14,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:32:14,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:32:14,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:32:14,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:32:14,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:32:14,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:32:14,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:32:14,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:32:14,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:32:14,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:32:14,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:32:14,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:32:14,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:32:14,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:32:14,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:32:14,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:32:14,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:32:14,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:32:14,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:32:14,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:32:14,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:32:14,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:32:14,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:32:14,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:32:14,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:32:14,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:32:14,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:32:14,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:32:14,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:32:14,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:32:14,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:32:14,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:32:14,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:32:14,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:32:14,189 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:32:14,228 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:32:14,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:32:14,230 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:32:14,230 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:32:14,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:32:14,231 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:32:14,232 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:32:14,232 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:32:14,232 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:32:14,232 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:32:14,234 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:32:14,234 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:32:14,234 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:32:14,235 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:32:14,235 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:32:14,235 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:32:14,235 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:32:14,236 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:32:14,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:32:14,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:32:14,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:32:14,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:32:14,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:32:14,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:32:14,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:32:14,239 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:32:14,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:32:14,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:32:14,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:32:14,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:32:14,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:32:14,241 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:32:14,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:32:14,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:32:14,242 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:32:14,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:32:14,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:32:14,243 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:32:14,243 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_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce7b7e06b36a72b3de911fb70c1b245fd97c856ddcef7fa1f63b6ddc09812498 [2022-11-25 22:32:14,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:32:14,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:32:14,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:32:14,597 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:32:14,597 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:32:14,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2022-11-25 22:32:17,720 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:32:18,494 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:32:18,495 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2022-11-25 22:32:18,563 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/bin/utaipan-ByfvJB40ur/data/e2c5e9ba4/56f7e2e7f0e94e198e37905417c29b40/FLAGd617bb745 [2022-11-25 22:32:18,581 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/bin/utaipan-ByfvJB40ur/data/e2c5e9ba4/56f7e2e7f0e94e198e37905417c29b40 [2022-11-25 22:32:18,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:32:18,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:32:18,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:32:18,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:32:18,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:32:18,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:32:18" (1/1) ... [2022-11-25 22:32:18,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a417286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:18, skipping insertion in model container [2022-11-25 22:32:18,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:32:18" (1/1) ... [2022-11-25 22:32:18,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:32:18,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:32:19,437 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 22:32:19,666 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-11-25 22:32:20,067 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:32:20,082 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:32:20,121 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:32:20,155 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:32:20,189 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 22:32:20,293 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:32:20,374 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-11-25 22:32:20,459 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-11-25 22:32:20,460 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-11-25 22:32:20,500 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:20,583 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 22:32:20,592 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 22:32:20,601 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 22:32:20,610 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 22:32:20,644 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 22:32:20,652 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:32:20,654 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 22:32:20,661 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 22:32:20,702 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:32:20,777 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 22:32:20,809 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-11-25 22:32:20,895 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 22:32:20,896 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 22:32:20,909 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:32:20,910 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:20,955 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 22:32:20,961 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 22:32:21,161 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-25 22:32:21,166 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-25 22:32:21,172 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-11-25 22:32:21,177 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-11-25 22:32:21,183 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-25 22:32:21,188 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-25 22:32:21,284 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 22:32:21,322 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 22:32:21,490 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:21,498 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:21,519 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 22:32:21,519 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:32:21,527 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:32:21,550 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 22:32:21,560 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:21,561 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 22:32:21,578 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:21,578 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:21,579 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:32:21,589 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:21,589 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:21,598 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 22:32:21,599 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:21,600 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:21,601 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-11-25 22:32:21,602 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 22:32:21,620 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:21,622 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:21,623 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:32:21,632 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:21,633 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 22:32:21,634 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:32:21,635 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:21,656 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:21,658 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:21,661 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:21,733 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 22:32:21,751 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:32:21,760 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:21,768 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:21,778 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:21,779 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 22:32:21,780 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:32:21,781 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:21,795 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:21,796 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:21,797 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:21,797 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:21,798 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:21,798 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:21,798 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:21,799 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:21,800 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:21,800 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:21,801 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:21,801 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:21,802 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:21,802 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:21,809 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:21,811 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:21,813 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:21,829 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:21,841 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:21,882 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1997 [2022-11-25 22:32:21,883 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:21,885 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2032 [2022-11-25 22:32:21,886 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:32:21,900 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:21,904 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2106 [2022-11-25 22:32:21,907 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2125 [2022-11-25 22:32:21,908 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:32:21,908 WARN L623 FunctionHandler]: Unknown extern function csum_partial [2022-11-25 22:32:21,909 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2142 [2022-11-25 22:32:21,909 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 22:32:21,918 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 22:32:21,933 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:21,952 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:21,958 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 22:32:21,964 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:21,973 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:22,002 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:22,003 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:22,003 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:22,004 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:22,006 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:22,006 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:22,010 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:22,049 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:22,050 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:32:22,054 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2843 [2022-11-25 22:32:22,056 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:22,086 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 22:32:22,110 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:22,111 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:22,112 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:22,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:22,152 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-25 22:32:22,167 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 22:32:22,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:22,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:22,178 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:22,179 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:22,180 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:22,180 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:22,199 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:22,202 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:22,202 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:22,203 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:22,210 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 22:32:22,217 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:22,217 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 22:32:22,224 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:22,224 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:22,225 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:22,225 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:22,240 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 22:32:22,248 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-11-25 22:32:22,307 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 22:32:22,308 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 22:32:22,318 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:22,319 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:22,340 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:32:22,342 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:22,342 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:32:22,343 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:32:22,349 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:32:22,350 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:32:22,379 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:22,380 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:22,387 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:32:22,387 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:32:22,388 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:32:22,508 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:32:22,509 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:32:22,523 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:22,524 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:32:22,524 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:22,525 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:22,525 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 22:32:22,526 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:22,526 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:32:22,527 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-11-25 22:32:22,527 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:22,528 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:22,528 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:22,529 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:22,530 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:32:22,530 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:32:22,531 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:32:22,531 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:32:22,532 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:32:22,532 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:32:22,533 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 22:32:22,533 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:32:22,534 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 22:32:22,534 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:32:22,535 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:32:22,535 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 22:32:22,536 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:22,536 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 22:32:22,537 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:22,539 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:22,539 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:22,541 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:32:22,542 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:32:22,542 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 22:32:22,542 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:32:22,542 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:32:22,549 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 22:32:22,550 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:32:22,550 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 22:32:22,550 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:32:22,551 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 22:32:22,551 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:32:22,551 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:32:22,558 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:32:22,558 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 22:32:22,559 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:32:22,565 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:22,565 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:32:22,566 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 22:32:22,566 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:32:23,000 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:23,001 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:23,001 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:23,001 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:23,002 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:23,002 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:23,002 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:23,002 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:23,002 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:23,003 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:23,003 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:23,003 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:23,007 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 22:32:23,008 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 22:32:23,010 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 22:32:23,013 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 22:32:23,013 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 22:32:23,024 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:32:23,026 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 22:32:23,031 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 22:32:23,031 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 22:32:23,034 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 22:32:23,035 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 22:32:23,036 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 22:32:23,036 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,037 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,037 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 22:32:23,038 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,038 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,039 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,039 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 22:32:23,040 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,041 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,041 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,042 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:32:23,042 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,043 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,043 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,043 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,044 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,044 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,044 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,045 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,045 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 22:32:23,046 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 22:32:23,046 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:32:23,047 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 22:32:23,047 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:32:23,048 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,048 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:23,048 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 22:32:23,049 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 22:32:23,118 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 22:32:23,118 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:32:23,131 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:32:24,149 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_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493165,493178] [2022-11-25 22:32:24,153 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_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493334,493347] [2022-11-25 22:32:24,154 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_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493501,493514] [2022-11-25 22:32:24,154 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_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493669,493682] [2022-11-25 22:32:24,162 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,164 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,168 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,169 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,194 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,197 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:32:24,269 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:32:24,430 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 22:32:24,434 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-11-25 22:32:24,437 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:32:24,438 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:32:24,439 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:32:24,440 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:32:24,441 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 22:32:24,443 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:32:24,444 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-11-25 22:32:24,448 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-11-25 22:32:24,449 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-11-25 22:32:24,450 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,455 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 22:32:24,457 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 22:32:24,458 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 22:32:24,459 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 22:32:24,462 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 22:32:24,463 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:32:24,464 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 22:32:24,465 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 22:32:24,468 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:32:24,477 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 22:32:24,479 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-11-25 22:32:24,482 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 22:32:24,482 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 22:32:24,483 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:32:24,484 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:24,486 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 22:32:24,486 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 22:32:24,487 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-25 22:32:24,490 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-25 22:32:24,492 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-11-25 22:32:24,495 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-11-25 22:32:24,497 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-25 22:32:24,500 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-25 22:32:24,504 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 22:32:24,506 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 22:32:24,515 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:24,516 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:24,518 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 22:32:24,519 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:32:24,520 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:32:24,523 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 22:32:24,525 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,526 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 22:32:24,529 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:24,530 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:24,530 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:32:24,533 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:24,533 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:24,535 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 22:32:24,536 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:24,536 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:24,537 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-11-25 22:32:24,538 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 22:32:24,542 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:24,544 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:24,544 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:32:24,546 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:24,548 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 22:32:24,548 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:32:24,549 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:24,551 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:24,552 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,553 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,568 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 22:32:24,572 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:32:24,574 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:24,576 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:24,579 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:24,580 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 22:32:24,581 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:32:24,581 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:24,583 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,584 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:24,584 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:24,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:24,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:24,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:24,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:24,586 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,587 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,587 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,588 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,588 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,589 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,589 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,590 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:24,591 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:24,594 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,596 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:24,601 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:24,605 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1997 [2022-11-25 22:32:24,607 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:24,608 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2032 [2022-11-25 22:32:24,609 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:32:24,612 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:24,614 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2106 [2022-11-25 22:32:24,615 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2125 [2022-11-25 22:32:24,616 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:32:24,617 WARN L623 FunctionHandler]: Unknown extern function csum_partial [2022-11-25 22:32:24,617 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2142 [2022-11-25 22:32:24,618 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 22:32:24,620 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 22:32:24,622 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:24,627 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:24,630 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 22:32:24,633 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:24,635 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:24,639 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,640 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,640 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,640 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,641 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,642 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,643 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,646 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,647 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:32:24,650 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_2843 [2022-11-25 22:32:24,651 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:24,657 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 22:32:24,660 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:24,661 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:24,662 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,674 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:24,674 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-25 22:32:24,676 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 22:32:24,677 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:24,679 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:24,681 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:24,681 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,682 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:24,682 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,686 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:24,689 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:24,690 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:24,690 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:24,691 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 22:32:24,692 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:24,692 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 22:32:24,693 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:24,693 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:24,694 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:24,694 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,696 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 22:32:24,698 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-11-25 22:32:24,704 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 22:32:24,704 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 22:32:24,749 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:24,750 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 22:32:24,752 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:32:24,753 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:32:24,754 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:32:24,754 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:32:24,754 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:32:24,755 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:32:24,763 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:24,764 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:32:24,765 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:32:24,765 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:32:24,766 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:32:24,776 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:32:24,777 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:32:24,782 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:24,782 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:32:24,782 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:24,783 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:24,784 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 22:32:24,784 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:24,785 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:32:24,785 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-11-25 22:32:24,786 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:32:24,786 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:24,787 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:24,787 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:24,789 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:32:24,789 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:32:24,789 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:32:24,790 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:32:24,790 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:32:24,791 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:32:24,791 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 22:32:24,791 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:32:24,792 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 22:32:24,792 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:32:24,793 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:32:24,793 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 22:32:24,794 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:24,794 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 22:32:24,795 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:24,796 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:32:24,797 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:24,798 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:32:24,799 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:32:24,799 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 22:32:24,799 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:32:24,800 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:32:24,801 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 22:32:24,801 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:32:24,801 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 22:32:24,802 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:32:24,802 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 22:32:24,802 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:32:24,803 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:32:24,803 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:32:24,803 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 22:32:24,804 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:32:24,805 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:32:24,805 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:32:24,805 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 22:32:24,806 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:32:24,812 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,813 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,813 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,813 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,813 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,814 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,814 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,814 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,814 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,814 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,815 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,815 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,817 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 22:32:24,818 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 22:32:24,819 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 22:32:24,821 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 22:32:24,822 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 22:32:24,828 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:32:24,829 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 22:32:24,835 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 22:32:24,836 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 22:32:24,840 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 22:32:24,841 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 22:32:24,842 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 22:32:24,842 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,842 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,843 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 22:32:24,843 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,843 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,844 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,844 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 22:32:24,844 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,845 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,845 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,846 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:32:24,846 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,846 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,846 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,847 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,847 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,847 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,847 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,848 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,848 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 22:32:24,849 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 22:32:24,849 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:32:24,849 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 22:32:24,849 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:32:24,850 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,850 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 22:32:24,850 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 22:32:24,851 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 22:32:24,853 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 22:32:24,853 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:32:24,854 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:32:24,880 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_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493165,493178] [2022-11-25 22:32:24,880 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_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493334,493347] [2022-11-25 22:32:24,881 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_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493501,493514] [2022-11-25 22:32:24,881 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_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493669,493682] [2022-11-25 22:32:24,882 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,885 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,886 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,887 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,890 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,891 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 22:32:24,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:32:25,209 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:32:25,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:25 WrapperNode [2022-11-25 22:32:25,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:32:25,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:32:25,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:32:25,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:32:25,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:25" (1/1) ... [2022-11-25 22:32:25,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:25" (1/1) ... [2022-11-25 22:32:25,714 INFO L138 Inliner]: procedures = 688, calls = 4282, calls flagged for inlining = 342, calls inlined = 319, statements flattened = 10347 [2022-11-25 22:32:25,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:32:25,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:32:25,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:32:25,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:32:25,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:25" (1/1) ... [2022-11-25 22:32:25,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:25" (1/1) ... [2022-11-25 22:32:25,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:25" (1/1) ... [2022-11-25 22:32:25,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:25" (1/1) ... [2022-11-25 22:32:26,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:25" (1/1) ... [2022-11-25 22:32:26,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:25" (1/1) ... [2022-11-25 22:32:26,171 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:25" (1/1) ... [2022-11-25 22:32:26,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:25" (1/1) ... [2022-11-25 22:32:26,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:32:26,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:32:26,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:32:26,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:32:26,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:25" (1/1) ... [2022-11-25 22:32:26,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:32:26,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:32:26,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:32:26,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cecb8a5e-3ba7-4cb9-b1a5-0eeaa2c30f41/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:32:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-25 22:32:26,349 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-25 22:32:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_read [2022-11-25 22:32:26,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_read [2022-11-25 22:32:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure cas_pcs_link_check [2022-11-25 22:32:26,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_pcs_link_check [2022-11-25 22:32:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 22:32:26,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 22:32:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 22:32:26,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 22:32:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-25 22:32:26,354 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-25 22:32:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-25 22:32:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-25 22:32:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 22:32:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 22:32:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mii_link_check [2022-11-25 22:32:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mii_link_check [2022-11-25 22:32:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure cas_calc_tabort [2022-11-25 22:32:26,414 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_calc_tabort [2022-11-25 22:32:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-25 22:32:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-25 22:32:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-25 22:32:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-25 22:32:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:32:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:32:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-25 22:32:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-25 22:32:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 22:32:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 22:32:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-25 22:32:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-25 22:32:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure cas_lock_tx [2022-11-25 22:32:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_lock_tx [2022-11-25 22:32:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-25 22:32:26,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-25 22:32:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 22:32:26,416 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 22:32:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure cas_disable_irq [2022-11-25 22:32:26,416 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_disable_irq [2022-11-25 22:32:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure cas_free_rxds [2022-11-25 22:32:26,416 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_free_rxds [2022-11-25 22:32:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-11-25 22:32:26,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-11-25 22:32:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure cas_open [2022-11-25 22:32:26,416 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_open [2022-11-25 22:32:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure cas_interrupt [2022-11-25 22:32:26,416 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_interrupt [2022-11-25 22:32:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_tiny_free [2022-11-25 22:32:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_tiny_free [2022-11-25 22:32:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-25 22:32:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-25 22:32:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_map [2022-11-25 22:32:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_map [2022-11-25 22:32:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_init [2022-11-25 22:32:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_init [2022-11-25 22:32:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-11-25 22:32:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-11-25 22:32:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-11-25 22:32:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-11-25 22:32:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-25 22:32:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-25 22:32:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 22:32:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 22:32:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure cas_enable_irq [2022-11-25 22:32:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_enable_irq [2022-11-25 22:32:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 22:32:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 22:32:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-25 22:32:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-25 22:32:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_dequeue [2022-11-25 22:32:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_dequeue [2022-11-25 22:32:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-25 22:32:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-25 22:32:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 22:32:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 22:32:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 22:32:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 22:32:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 22:32:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 22:32:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-25 22:32:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-25 22:32:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:32:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2022-11-25 22:32:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2022-11-25 22:32:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-25 22:32:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-25 22:32:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_multicast [2022-11-25 22:32:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_multicast [2022-11-25 22:32:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-25 22:32:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-25 22:32:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-25 22:32:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-25 22:32:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_free [2022-11-25 22:32:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_free [2022-11-25 22:32:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_timeout [2022-11-25 22:32:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_timeout [2022-11-25 22:32:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 22:32:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 22:32:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_pcs_link_mode [2022-11-25 22:32:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_pcs_link_mode [2022-11-25 22:32:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-25 22:32:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-25 22:32:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 22:32:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure cas_close [2022-11-25 22:32:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_close [2022-11-25 22:32:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_swap [2022-11-25 22:32:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_swap [2022-11-25 22:32:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 22:32:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 22:32:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure cas_netpoll [2022-11-25 22:32:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_netpoll [2022-11-25 22:32:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure cas_hard_reset [2022-11-25 22:32:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_hard_reset [2022-11-25 22:32:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 22:32:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 22:32:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 22:32:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 22:32:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 22:32:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure cas_rxc_init [2022-11-25 22:32:26,425 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_rxc_init [2022-11-25 22:32:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:32:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 22:32:26,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 22:32:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clear_mac_err [2022-11-25 22:32:26,425 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clear_mac_err [2022-11-25 22:32:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-25 22:32:26,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-25 22:32:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 22:32:26,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 22:32:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 22:32:26,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 22:32:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-25 22:32:26,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-25 22:32:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure cas_remove_one [2022-11-25 22:32:26,427 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_remove_one [2022-11-25 22:32:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2022-11-25 22:32:26,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2022-11-25 22:32:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-25 22:32:26,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-25 22:32:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 22:32:26,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 22:32:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 22:32:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 22:32:26,428 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-25 22:32:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-25 22:32:26,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:32:26,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-25 22:32:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-25 22:32:26,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 22:32:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 22:32:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-25 22:32:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-25 22:32:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:32:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-25 22:32:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-25 22:32:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 22:32:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 22:32:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 22:32:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 22:32:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:32:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 22:32:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 22:32:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 22:32:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_link_modes [2022-11-25 22:32:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_link_modes [2022-11-25 22:32:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_mii_link_mode [2022-11-25 22:32:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_mii_link_mode [2022-11-25 22:32:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-11-25 22:32:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-11-25 22:32:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-25 22:32:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-25 22:32:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-25 22:32:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-25 22:32:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-25 22:32:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-25 22:32:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2022-11-25 22:32:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2022-11-25 22:32:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-25 22:32:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-25 22:32:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 22:32:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 22:32:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 22:32:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 22:32:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 22:32:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 22:32:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure csum_unfold [2022-11-25 22:32:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_unfold [2022-11-25 22:32:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-25 22:32:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-25 22:32:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure cas_entropy_gather [2022-11-25 22:32:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_entropy_gather [2022-11-25 22:32:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure cas_resume [2022-11-25 22:32:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_resume [2022-11-25 22:32:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:32:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:32:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_alloc [2022-11-25 22:32:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_alloc [2022-11-25 22:32:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 22:32:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 22:32:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 22:32:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 22:32:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:32:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:32:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-25 22:32:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-25 22:32:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mif_poll [2022-11-25 22:32:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mif_poll [2022-11-25 22:32:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-25 22:32:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-25 22:32:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure cas_unlock_tx [2022-11-25 22:32:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_unlock_tx [2022-11-25 22:32:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 22:32:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 22:32:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_133 [2022-11-25 22:32:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_133 [2022-11-25 22:32:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice [2022-11-25 22:32:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice [2022-11-25 22:32:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_135 [2022-11-25 22:32:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_135 [2022-11-25 22:32:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-25 22:32:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-25 22:32:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2022-11-25 22:32:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2022-11-25 22:32:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-25 22:32:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-25 22:32:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:32:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:32:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 22:32:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 22:32:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-25 22:32:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-25 22:32:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_buf [2022-11-25 22:32:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_buf [2022-11-25 22:32:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mac_reset [2022-11-25 22:32:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mac_reset [2022-11-25 22:32:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cas [2022-11-25 22:32:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cas [2022-11-25 22:32:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:32:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 22:32:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 22:32:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_set_page [2022-11-25 22:32:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_set_page [2022-11-25 22:32:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:32:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_regs_len [2022-11-25 22:32:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_regs_len [2022-11-25 22:32:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure cas_reset [2022-11-25 22:32:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_reset [2022-11-25 22:32:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2022-11-25 22:32:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2022-11-25 22:32:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-25 22:32:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-25 22:32:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_page [2022-11-25 22:32:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_page [2022-11-25 22:32:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:32:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-25 22:32:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-25 22:32:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure cas_nway_reset [2022-11-25 22:32:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_nway_reset [2022-11-25 22:32:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-25 22:32:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-25 22:32:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 22:32:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 22:32:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 22:32:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 22:32:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure cas_setup_multicast [2022-11-25 22:32:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_setup_multicast [2022-11-25 22:32:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_powerdown [2022-11-25 22:32:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_powerdown [2022-11-25 22:32:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_rxds_ringN [2022-11-25 22:32:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_rxds_ringN [2022-11-25 22:32:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-25 22:32:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-25 22:32:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure cas_vpd_match [2022-11-25 22:32:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_vpd_match [2022-11-25 22:32:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_83 [2022-11-25 22:32:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_83 [2022-11-25 22:32:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2022-11-25 22:32:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2022-11-25 22:32:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-25 22:32:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-25 22:32:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2022-11-25 22:32:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2022-11-25 22:32:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-25 22:32:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-25 22:32:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure page_count [2022-11-25 22:32:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure page_count [2022-11-25 22:32:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 22:32:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 22:32:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2022-11-25 22:32:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2022-11-25 22:32:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure cas_shutdown [2022-11-25 22:32:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_shutdown [2022-11-25 22:32:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure cas_begin_auto_negotiation [2022-11-25 22:32:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_begin_auto_negotiation [2022-11-25 22:32:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-25 22:32:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-25 22:32:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 22:32:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 22:32:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure cas_write_txd [2022-11-25 22:32:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_write_txd [2022-11-25 22:32:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 22:32:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 22:32:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_ref [2022-11-25 22:32:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_ref [2022-11-25 22:32:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:32:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 22:32:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 22:32:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2022-11-25 22:32:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2022-11-25 22:32:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2022-11-25 22:32:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2022-11-25 22:32:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_79 [2022-11-25 22:32:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_79 [2022-11-25 22:32:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-25 22:32:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-25 22:32:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure cas_init_hw [2022-11-25 22:32:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_init_hw [2022-11-25 22:32:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clean_rings [2022-11-25 22:32:26,451 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clean_rings [2022-11-25 22:32:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_free [2022-11-25 22:32:26,451 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_free [2022-11-25 22:32:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-25 22:32:26,451 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-25 22:32:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_write [2022-11-25 22:32:26,451 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_write [2022-11-25 22:32:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 22:32:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 22:32:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-25 22:32:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-25 22:32:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-25 22:32:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-25 22:32:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_recover [2022-11-25 22:32:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_recover [2022-11-25 22:32:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-11-25 22:32:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-11-25 22:32:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-25 22:32:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-25 22:32:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_stats [2022-11-25 22:32:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_stats [2022-11-25 22:32:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-25 22:32:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-25 22:32:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2022-11-25 22:32:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2022-11-25 22:32:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:32:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 22:32:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 22:32:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-25 22:32:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-25 22:32:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-25 22:32:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-25 22:32:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2022-11-25 22:32:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2022-11-25 22:32:27,890 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:32:27,899 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:32:28,465 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 22:36:20,497 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 22:36:20,817 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:36:25,269 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:36:25,269 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 22:36:25,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:36:25 BoogieIcfgContainer [2022-11-25 22:36:25,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:36:25,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:36:25,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:36:25,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:36:25,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:32:18" (1/3) ... [2022-11-25 22:36:25,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c099b08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:36:25, skipping insertion in model container [2022-11-25 22:36:25,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:32:25" (2/3) ... [2022-11-25 22:36:25,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c099b08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:36:25, skipping insertion in model container [2022-11-25 22:36:25,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:36:25" (3/3) ... [2022-11-25 22:36:25,284 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2022-11-25 22:36:25,304 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:36:25,304 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-25 22:36:25,425 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:36:25,432 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;@579b939d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:36:25,433 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-25 22:36:25,447 INFO L276 IsEmpty]: Start isEmpty. Operand has 2916 states, 1656 states have (on average 1.2765700483091786) internal successors, (2114), 1726 states have internal predecessors, (2114), 1091 states have call successors, (1091), 168 states have call predecessors, (1091), 167 states have return successors, (1086), 1074 states have call predecessors, (1086), 1086 states have call successors, (1086) [2022-11-25 22:36:25,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-25 22:36:25,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:25,469 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:25,469 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:36:25,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:25,474 INFO L85 PathProgramCache]: Analyzing trace with hash 2039636398, now seen corresponding path program 1 times [2022-11-25 22:36:25,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:25,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720981128] [2022-11-25 22:36:25,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:25,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2022-11-25 22:36:27,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:27,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720981128] [2022-11-25 22:36:27,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720981128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:27,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:27,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:36:27,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062651556] [2022-11-25 22:36:27,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:27,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:36:27,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:27,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:36:27,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:36:27,221 INFO L87 Difference]: Start difference. First operand has 2916 states, 1656 states have (on average 1.2765700483091786) internal successors, (2114), 1726 states have internal predecessors, (2114), 1091 states have call successors, (1091), 168 states have call predecessors, (1091), 167 states have return successors, (1086), 1074 states have call predecessors, (1086), 1086 states have call successors, (1086) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 22:36:29,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:36:37,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:37,018 INFO L93 Difference]: Finished difference Result 8626 states and 13064 transitions. [2022-11-25 22:36:37,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:36:37,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 137 [2022-11-25 22:36:37,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:37,095 INFO L225 Difference]: With dead ends: 8626 [2022-11-25 22:36:37,095 INFO L226 Difference]: Without dead ends: 5725 [2022-11-25 22:36:37,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:36:37,135 INFO L413 NwaCegarLoop]: 4891 mSDtfsCounter, 4172 mSDsluCounter, 3814 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4172 SdHoareTripleChecker+Valid, 8705 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:37,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4172 Valid, 8705 Invalid, 886 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 882 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2022-11-25 22:36:37,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5725 states. [2022-11-25 22:36:37,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5725 to 5721. [2022-11-25 22:36:37,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5721 states, 3261 states have (on average 1.2744556884391292) internal successors, (4156), 3397 states have internal predecessors, (4156), 2126 states have call successors, (2126), 332 states have call predecessors, (2126), 331 states have return successors, (2123), 2099 states have call predecessors, (2123), 2123 states have call successors, (2123) [2022-11-25 22:36:37,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5721 states to 5721 states and 8405 transitions. [2022-11-25 22:36:37,814 INFO L78 Accepts]: Start accepts. Automaton has 5721 states and 8405 transitions. Word has length 137 [2022-11-25 22:36:37,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:37,817 INFO L495 AbstractCegarLoop]: Abstraction has 5721 states and 8405 transitions. [2022-11-25 22:36:37,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 22:36:37,818 INFO L276 IsEmpty]: Start isEmpty. Operand 5721 states and 8405 transitions. [2022-11-25 22:36:37,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-25 22:36:37,829 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:37,829 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:37,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:36:37,830 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:36:37,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:37,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1145504328, now seen corresponding path program 1 times [2022-11-25 22:36:37,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:37,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535398268] [2022-11-25 22:36:37,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:37,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:39,013 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2022-11-25 22:36:39,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:39,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535398268] [2022-11-25 22:36:39,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535398268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:39,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:39,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:36:39,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19352206] [2022-11-25 22:36:39,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:39,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:36:39,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:39,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:36:39,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:36:39,019 INFO L87 Difference]: Start difference. First operand 5721 states and 8405 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 22:36:41,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:36:48,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:36:48,793 INFO L93 Difference]: Finished difference Result 16943 states and 24925 transitions. [2022-11-25 22:36:48,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:36:48,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 142 [2022-11-25 22:36:48,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:36:48,876 INFO L225 Difference]: With dead ends: 16943 [2022-11-25 22:36:48,876 INFO L226 Difference]: Without dead ends: 11247 [2022-11-25 22:36:48,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:36:48,917 INFO L413 NwaCegarLoop]: 4874 mSDtfsCounter, 4108 mSDsluCounter, 3823 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4108 SdHoareTripleChecker+Valid, 8697 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:36:48,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4108 Valid, 8697 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 878 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2022-11-25 22:36:48,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11247 states. [2022-11-25 22:36:49,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11247 to 11211. [2022-11-25 22:36:49,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11211 states, 6406 states have (on average 1.2736497034030596) internal successors, (8159), 6672 states have internal predecessors, (8159), 4143 states have call successors, (4143), 662 states have call predecessors, (4143), 659 states have return successors, (4202), 4080 states have call predecessors, (4202), 4140 states have call successors, (4202) [2022-11-25 22:36:50,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11211 states to 11211 states and 16504 transitions. [2022-11-25 22:36:50,097 INFO L78 Accepts]: Start accepts. Automaton has 11211 states and 16504 transitions. Word has length 142 [2022-11-25 22:36:50,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:36:50,100 INFO L495 AbstractCegarLoop]: Abstraction has 11211 states and 16504 transitions. [2022-11-25 22:36:50,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 22:36:50,101 INFO L276 IsEmpty]: Start isEmpty. Operand 11211 states and 16504 transitions. [2022-11-25 22:36:50,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-25 22:36:50,106 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:50,107 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:36:50,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:36:50,107 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:36:50,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:50,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1309334893, now seen corresponding path program 1 times [2022-11-25 22:36:50,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:50,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199709781] [2022-11-25 22:36:50,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:50,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:51,132 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2022-11-25 22:36:51,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:51,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199709781] [2022-11-25 22:36:51,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199709781] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:51,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:51,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:36:51,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429082962] [2022-11-25 22:36:51,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:51,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:36:51,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:51,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:36:51,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:36:51,137 INFO L87 Difference]: Start difference. First operand 11211 states and 16504 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 22:36:53,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:37:00,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:00,563 INFO L93 Difference]: Finished difference Result 32183 states and 47238 transitions. [2022-11-25 22:37:00,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:37:00,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 146 [2022-11-25 22:37:00,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:00,706 INFO L225 Difference]: With dead ends: 32183 [2022-11-25 22:37:00,706 INFO L226 Difference]: Without dead ends: 20997 [2022-11-25 22:37:00,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:37:00,769 INFO L413 NwaCegarLoop]: 4765 mSDtfsCounter, 3692 mSDsluCounter, 3754 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3692 SdHoareTripleChecker+Valid, 8519 SdHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:00,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3692 Valid, 8519 Invalid, 928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 920 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2022-11-25 22:37:00,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20997 states. [2022-11-25 22:37:02,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20997 to 20957. [2022-11-25 22:37:02,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20957 states, 11980 states have (on average 1.267195325542571) internal successors, (15181), 12474 states have internal predecessors, (15181), 7693 states have call successors, (7693), 1286 states have call predecessors, (7693), 1281 states have return successors, (7822), 7578 states have call predecessors, (7822), 7690 states have call successors, (7822) [2022-11-25 22:37:02,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20957 states to 20957 states and 30696 transitions. [2022-11-25 22:37:02,562 INFO L78 Accepts]: Start accepts. Automaton has 20957 states and 30696 transitions. Word has length 146 [2022-11-25 22:37:02,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:02,563 INFO L495 AbstractCegarLoop]: Abstraction has 20957 states and 30696 transitions. [2022-11-25 22:37:02,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 22:37:02,563 INFO L276 IsEmpty]: Start isEmpty. Operand 20957 states and 30696 transitions. [2022-11-25 22:37:02,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-25 22:37:02,566 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:02,566 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:37:02,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:37:02,566 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:37:02,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:02,569 INFO L85 PathProgramCache]: Analyzing trace with hash -107765060, now seen corresponding path program 1 times [2022-11-25 22:37:02,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:02,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601868765] [2022-11-25 22:37:02,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:02,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:03,467 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2022-11-25 22:37:03,468 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:03,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601868765] [2022-11-25 22:37:03,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601868765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:03,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:03,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:37:03,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40007950] [2022-11-25 22:37:03,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:03,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:37:03,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:03,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:37:03,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:37:03,471 INFO L87 Difference]: Start difference. First operand 20957 states and 30696 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 22:37:05,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:37:12,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:12,568 INFO L93 Difference]: Finished difference Result 39136 states and 56916 transitions. [2022-11-25 22:37:12,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:37:12,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 151 [2022-11-25 22:37:12,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:12,655 INFO L225 Difference]: With dead ends: 39136 [2022-11-25 22:37:12,655 INFO L226 Difference]: Without dead ends: 18204 [2022-11-25 22:37:12,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:37:12,744 INFO L413 NwaCegarLoop]: 5022 mSDtfsCounter, 2448 mSDsluCounter, 3789 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2448 SdHoareTripleChecker+Valid, 8811 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:12,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2448 Valid, 8811 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1045 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-11-25 22:37:12,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18204 states. [2022-11-25 22:37:13,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18204 to 18169. [2022-11-25 22:37:14,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18169 states, 10492 states have (on average 1.2646778497903164) internal successors, (13269), 10929 states have internal predecessors, (13269), 6383 states have call successors, (6383), 1294 states have call predecessors, (6383), 1291 states have return successors, (6465), 6286 states have call predecessors, (6465), 6380 states have call successors, (6465) [2022-11-25 22:37:14,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18169 states to 18169 states and 26117 transitions. [2022-11-25 22:37:14,116 INFO L78 Accepts]: Start accepts. Automaton has 18169 states and 26117 transitions. Word has length 151 [2022-11-25 22:37:14,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:14,118 INFO L495 AbstractCegarLoop]: Abstraction has 18169 states and 26117 transitions. [2022-11-25 22:37:14,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 22:37:14,119 INFO L276 IsEmpty]: Start isEmpty. Operand 18169 states and 26117 transitions. [2022-11-25 22:37:14,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-25 22:37:14,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:14,122 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:37:14,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:37:14,122 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:37:14,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:14,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1049443970, now seen corresponding path program 1 times [2022-11-25 22:37:14,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:14,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997013821] [2022-11-25 22:37:14,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:14,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:15,131 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2022-11-25 22:37:15,131 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:15,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997013821] [2022-11-25 22:37:15,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997013821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:15,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:15,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:37:15,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530721695] [2022-11-25 22:37:15,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:15,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:37:15,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:15,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:37:15,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:37:15,133 INFO L87 Difference]: Start difference. First operand 18169 states and 26117 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 22:37:17,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:37:24,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:24,285 INFO L93 Difference]: Finished difference Result 48716 states and 70299 transitions. [2022-11-25 22:37:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:37:24,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 154 [2022-11-25 22:37:24,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:24,440 INFO L225 Difference]: With dead ends: 48716 [2022-11-25 22:37:24,440 INFO L226 Difference]: Without dead ends: 30572 [2022-11-25 22:37:24,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:37:24,512 INFO L413 NwaCegarLoop]: 5047 mSDtfsCounter, 4201 mSDsluCounter, 3777 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4201 SdHoareTripleChecker+Valid, 8824 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:24,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4201 Valid, 8824 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 898 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2022-11-25 22:37:24,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30572 states. [2022-11-25 22:37:26,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30572 to 30532. [2022-11-25 22:37:26,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30532 states, 17605 states have (on average 1.2648679352456689) internal successors, (22268), 18346 states have internal predecessors, (22268), 10849 states have call successors, (10849), 2084 states have call predecessors, (10849), 2075 states have return successors, (11020), 10658 states have call predecessors, (11020), 10846 states have call successors, (11020) [2022-11-25 22:37:26,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30532 states to 30532 states and 44137 transitions. [2022-11-25 22:37:26,776 INFO L78 Accepts]: Start accepts. Automaton has 30532 states and 44137 transitions. Word has length 154 [2022-11-25 22:37:26,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:26,777 INFO L495 AbstractCegarLoop]: Abstraction has 30532 states and 44137 transitions. [2022-11-25 22:37:26,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 22:37:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 30532 states and 44137 transitions. [2022-11-25 22:37:26,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-25 22:37:26,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:26,780 INFO L195 NwaCegarLoop]: trace histogram [16, 12, 12, 12, 12, 12, 12, 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] [2022-11-25 22:37:26,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:37:26,781 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:37:26,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:26,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1706072167, now seen corresponding path program 1 times [2022-11-25 22:37:26,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:26,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826256712] [2022-11-25 22:37:26,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:26,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2022-11-25 22:37:28,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:28,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826256712] [2022-11-25 22:37:28,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826256712] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:28,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:28,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:37:28,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622458246] [2022-11-25 22:37:28,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:28,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:37:28,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:28,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:37:28,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:37:28,690 INFO L87 Difference]: Start difference. First operand 30532 states and 44137 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 22:37:30,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:37:42,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:42,826 INFO L93 Difference]: Finished difference Result 56215 states and 81229 transitions. [2022-11-25 22:37:42,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:37:42,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 175 [2022-11-25 22:37:42,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:43,131 INFO L225 Difference]: With dead ends: 56215 [2022-11-25 22:37:43,131 INFO L226 Difference]: Without dead ends: 56213 [2022-11-25 22:37:43,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:37:43,165 INFO L413 NwaCegarLoop]: 4728 mSDtfsCounter, 4040 mSDsluCounter, 12620 mSDsCounter, 0 mSdLazyCounter, 1761 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4058 SdHoareTripleChecker+Valid, 17348 SdHoareTripleChecker+Invalid, 1765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1761 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:43,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4058 Valid, 17348 Invalid, 1765 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1761 Invalid, 1 Unknown, 0 Unchecked, 12.4s Time] [2022-11-25 22:37:43,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56213 states. [2022-11-25 22:37:45,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56213 to 56177. [2022-11-25 22:37:45,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56177 states, 32434 states have (on average 1.2666337793673306) internal successors, (41082), 33918 states have internal predecessors, (41082), 19801 states have call successors, (19801), 4049 states have call predecessors, (19801), 3939 states have return successors, (20311), 19168 states have call predecessors, (20311), 19795 states have call successors, (20311) [2022-11-25 22:37:46,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56177 states to 56177 states and 81194 transitions. [2022-11-25 22:37:46,530 INFO L78 Accepts]: Start accepts. Automaton has 56177 states and 81194 transitions. Word has length 175 [2022-11-25 22:37:46,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:46,536 INFO L495 AbstractCegarLoop]: Abstraction has 56177 states and 81194 transitions. [2022-11-25 22:37:46,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 22:37:46,536 INFO L276 IsEmpty]: Start isEmpty. Operand 56177 states and 81194 transitions. [2022-11-25 22:37:46,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-25 22:37:46,541 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:46,541 INFO L195 NwaCegarLoop]: trace histogram [16, 12, 12, 12, 12, 12, 12, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:37:46,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 22:37:46,542 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:37:46,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:46,542 INFO L85 PathProgramCache]: Analyzing trace with hash 493025443, now seen corresponding path program 1 times [2022-11-25 22:37:46,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:46,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898216717] [2022-11-25 22:37:46,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:46,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:48,615 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2022-11-25 22:37:48,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:48,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898216717] [2022-11-25 22:37:48,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898216717] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:48,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:48,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:37:48,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043061652] [2022-11-25 22:37:48,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:48,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:37:48,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:48,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:37:48,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:37:48,617 INFO L87 Difference]: Start difference. First operand 56177 states and 81194 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 22:37:50,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:00,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:00,365 INFO L93 Difference]: Finished difference Result 56187 states and 81203 transitions. [2022-11-25 22:38:00,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:38:00,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 180 [2022-11-25 22:38:00,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:00,626 INFO L225 Difference]: With dead ends: 56187 [2022-11-25 22:38:00,626 INFO L226 Difference]: Without dead ends: 56185 [2022-11-25 22:38:00,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:38:00,657 INFO L413 NwaCegarLoop]: 3824 mSDtfsCounter, 4202 mSDsluCounter, 7622 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4219 SdHoareTripleChecker+Valid, 11446 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:00,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4219 Valid, 11446 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1340 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2022-11-25 22:38:00,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56185 states. [2022-11-25 22:38:03,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56185 to 56185. [2022-11-25 22:38:03,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56185 states, 32440 states have (on average 1.2665844636251542) internal successors, (41088), 33924 states have internal predecessors, (41088), 19801 states have call successors, (19801), 4051 states have call predecessors, (19801), 3941 states have return successors, (20311), 19168 states have call predecessors, (20311), 19795 states have call successors, (20311) [2022-11-25 22:38:04,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56185 states to 56185 states and 81200 transitions. [2022-11-25 22:38:04,016 INFO L78 Accepts]: Start accepts. Automaton has 56185 states and 81200 transitions. Word has length 180 [2022-11-25 22:38:04,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:04,016 INFO L495 AbstractCegarLoop]: Abstraction has 56185 states and 81200 transitions. [2022-11-25 22:38:04,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 22:38:04,017 INFO L276 IsEmpty]: Start isEmpty. Operand 56185 states and 81200 transitions. [2022-11-25 22:38:04,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-25 22:38:04,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:04,020 INFO L195 NwaCegarLoop]: trace histogram [16, 12, 12, 12, 12, 12, 12, 6, 6, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:38:04,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 22:38:04,021 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:38:04,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:04,021 INFO L85 PathProgramCache]: Analyzing trace with hash -473662926, now seen corresponding path program 1 times [2022-11-25 22:38:04,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:04,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376982536] [2022-11-25 22:38:04,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:04,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:06,045 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-11-25 22:38:06,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:06,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376982536] [2022-11-25 22:38:06,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376982536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:06,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:06,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:38:06,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238348397] [2022-11-25 22:38:06,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:06,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:38:06,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:06,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:38:06,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:38:06,048 INFO L87 Difference]: Start difference. First operand 56185 states and 81200 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 22:38:08,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:18,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:18,605 INFO L93 Difference]: Finished difference Result 56195 states and 81209 transitions. [2022-11-25 22:38:18,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:38:18,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 194 [2022-11-25 22:38:18,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:19,002 INFO L225 Difference]: With dead ends: 56195 [2022-11-25 22:38:19,003 INFO L226 Difference]: Without dead ends: 56193 [2022-11-25 22:38:19,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:38:19,027 INFO L413 NwaCegarLoop]: 3824 mSDtfsCounter, 4198 mSDsluCounter, 7622 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4214 SdHoareTripleChecker+Valid, 11446 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:19,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4214 Valid, 11446 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1340 Invalid, 1 Unknown, 0 Unchecked, 10.5s Time] [2022-11-25 22:38:19,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56193 states. [2022-11-25 22:38:21,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56193 to 56193. [2022-11-25 22:38:21,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56193 states, 32446 states have (on average 1.2665351661221722) internal successors, (41094), 33930 states have internal predecessors, (41094), 19801 states have call successors, (19801), 4053 states have call predecessors, (19801), 3943 states have return successors, (20311), 19168 states have call predecessors, (20311), 19795 states have call successors, (20311) [2022-11-25 22:38:22,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56193 states to 56193 states and 81206 transitions. [2022-11-25 22:38:22,314 INFO L78 Accepts]: Start accepts. Automaton has 56193 states and 81206 transitions. Word has length 194 [2022-11-25 22:38:22,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:22,315 INFO L495 AbstractCegarLoop]: Abstraction has 56193 states and 81206 transitions. [2022-11-25 22:38:22,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 22:38:22,316 INFO L276 IsEmpty]: Start isEmpty. Operand 56193 states and 81206 transitions. [2022-11-25 22:38:22,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-11-25 22:38:22,320 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:22,320 INFO L195 NwaCegarLoop]: trace histogram [16, 12, 12, 12, 12, 12, 12, 6, 6, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:38:22,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 22:38:22,321 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:38:22,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:22,322 INFO L85 PathProgramCache]: Analyzing trace with hash 832097578, now seen corresponding path program 1 times [2022-11-25 22:38:22,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:22,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231510043] [2022-11-25 22:38:22,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:22,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:24,083 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2022-11-25 22:38:24,083 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:24,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231510043] [2022-11-25 22:38:24,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231510043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:24,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:24,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:38:24,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414589545] [2022-11-25 22:38:24,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:24,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:38:24,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:24,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:38:24,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:38:24,085 INFO L87 Difference]: Start difference. First operand 56193 states and 81206 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 22:38:26,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:35,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:35,994 INFO L93 Difference]: Finished difference Result 56203 states and 81215 transitions. [2022-11-25 22:38:35,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:38:35,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 199 [2022-11-25 22:38:35,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:36,233 INFO L225 Difference]: With dead ends: 56203 [2022-11-25 22:38:36,233 INFO L226 Difference]: Without dead ends: 56201 [2022-11-25 22:38:36,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:38:36,258 INFO L413 NwaCegarLoop]: 3824 mSDtfsCounter, 4198 mSDsluCounter, 7622 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4213 SdHoareTripleChecker+Valid, 11446 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:36,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4213 Valid, 11446 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1340 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2022-11-25 22:38:36,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56201 states. [2022-11-25 22:38:39,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56201 to 56201. [2022-11-25 22:38:39,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56201 states, 32452 states have (on average 1.2664858868482682) internal successors, (41100), 33936 states have internal predecessors, (41100), 19801 states have call successors, (19801), 4055 states have call predecessors, (19801), 3945 states have return successors, (20311), 19168 states have call predecessors, (20311), 19795 states have call successors, (20311) [2022-11-25 22:38:39,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56201 states to 56201 states and 81212 transitions. [2022-11-25 22:38:39,552 INFO L78 Accepts]: Start accepts. Automaton has 56201 states and 81212 transitions. Word has length 199 [2022-11-25 22:38:39,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:39,553 INFO L495 AbstractCegarLoop]: Abstraction has 56201 states and 81212 transitions. [2022-11-25 22:38:39,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 22:38:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 56201 states and 81212 transitions. [2022-11-25 22:38:39,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-25 22:38:39,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:39,558 INFO L195 NwaCegarLoop]: trace histogram [16, 12, 12, 12, 12, 12, 12, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:38:39,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 22:38:39,559 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:38:39,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:39,559 INFO L85 PathProgramCache]: Analyzing trace with hash 207614873, now seen corresponding path program 1 times [2022-11-25 22:38:39,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:39,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355452818] [2022-11-25 22:38:39,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:39,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:41,700 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2022-11-25 22:38:41,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:41,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355452818] [2022-11-25 22:38:41,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355452818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:41,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:41,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:38:41,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313461350] [2022-11-25 22:38:41,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:41,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:38:41,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:41,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:38:41,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:38:41,702 INFO L87 Difference]: Start difference. First operand 56201 states and 81212 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 22:38:43,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:54,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:54,852 INFO L93 Difference]: Finished difference Result 56211 states and 81221 transitions. [2022-11-25 22:38:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:38:54,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 195 [2022-11-25 22:38:54,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:55,097 INFO L225 Difference]: With dead ends: 56211 [2022-11-25 22:38:55,097 INFO L226 Difference]: Without dead ends: 56209 [2022-11-25 22:38:55,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:38:55,128 INFO L413 NwaCegarLoop]: 3824 mSDtfsCounter, 4202 mSDsluCounter, 7622 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4216 SdHoareTripleChecker+Valid, 11446 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:55,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4216 Valid, 11446 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1340 Invalid, 1 Unknown, 0 Unchecked, 10.7s Time] [2022-11-25 22:38:55,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56209 states.