./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.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_4841d79e-e754-41bb-af28-b5dc3d9423bb/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4841d79e-e754-41bb-af28-b5dc3d9423bb/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_4841d79e-e754-41bb-af28-b5dc3d9423bb/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4841d79e-e754-41bb-af28-b5dc3d9423bb/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4841d79e-e754-41bb-af28-b5dc3d9423bb/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_4841d79e-e754-41bb-af28-b5dc3d9423bb/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 a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 --- 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 23:18:22,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:18:22,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:18:22,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:18:22,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:18:22,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:18:22,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:18:22,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:18:22,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:18:22,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:18:22,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:18:22,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:18:22,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:18:22,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:18:22,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:18:22,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:18:22,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:18:22,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:18:22,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:18:22,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:18:22,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:18:22,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:18:22,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:18:22,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:18:22,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:18:22,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:18:22,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:18:22,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:18:22,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:18:22,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:18:22,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:18:22,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:18:22,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:18:22,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:18:22,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:18:22,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:18:22,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:18:22,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:18:22,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:18:22,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:18:22,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:18:22,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4841d79e-e754-41bb-af28-b5dc3d9423bb/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:18:22,271 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:18:22,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:18:22,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:18:22,272 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:18:22,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:18:22,273 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:18:22,273 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:18:22,273 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:18:22,274 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:18:22,274 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:18:22,275 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:18:22,275 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:18:22,275 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:18:22,275 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:18:22,276 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:18:22,276 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:18:22,276 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:18:22,276 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:18:22,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:18:22,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:18:22,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:18:22,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:18:22,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:18:22,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:18:22,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:18:22,279 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:18:22,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:18:22,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:18:22,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:18:22,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:18:22,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:18:22,280 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:18:22,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:18:22,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:18:22,281 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:18:22,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:18:22,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:18:22,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:18:22,282 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_4841d79e-e754-41bb-af28-b5dc3d9423bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4841d79e-e754-41bb-af28-b5dc3d9423bb/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 [2022-11-25 23:18:22,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:18:22,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:18:22,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:18:22,574 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:18:22,574 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:18:22,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4841d79e-e754-41bb-af28-b5dc3d9423bb/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2022-11-25 23:18:25,768 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:18:26,621 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:18:26,622 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4841d79e-e754-41bb-af28-b5dc3d9423bb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2022-11-25 23:18:26,689 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4841d79e-e754-41bb-af28-b5dc3d9423bb/bin/utaipan-ByfvJB40ur/data/ade40d3a6/1dc5626b86a9450492a05630be5812ca/FLAG6ec28919c [2022-11-25 23:18:26,713 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4841d79e-e754-41bb-af28-b5dc3d9423bb/bin/utaipan-ByfvJB40ur/data/ade40d3a6/1dc5626b86a9450492a05630be5812ca [2022-11-25 23:18:26,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:18:26,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:18:26,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:18:26,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:18:26,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:18:26,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:18:26" (1/1) ... [2022-11-25 23:18:26,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280a2097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:26, skipping insertion in model container [2022-11-25 23:18:26,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:18:26" (1/1) ... [2022-11-25 23:18:26,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:18:26,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:18:28,021 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:18:28,033 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-11-25 23:18:28,045 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-11-25 23:18:28,081 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:18:28,099 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:18:28,116 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:18:28,200 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:18:28,221 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 23:18:28,292 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:28,357 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 23:18:28,365 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:18:28,369 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 23:18:28,377 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 23:18:28,395 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:18:28,473 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:18:28,475 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:18:28,489 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:18:28,490 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:28,531 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 23:18:28,585 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:18:28,588 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:18:28,589 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:18:28,593 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:18:28,594 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 23:18:28,648 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-25 23:18:28,657 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-25 23:18:28,663 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-25 23:18:28,711 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-11-25 23:18:28,787 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 23:18:28,867 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 23:18:28,981 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:18:28,988 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:28,989 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:28,990 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:28,990 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,003 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,005 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,006 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,006 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,007 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,008 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,008 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,009 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:29,010 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:29,010 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:29,012 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,013 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,013 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:29,014 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,014 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:29,015 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,015 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,016 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:29,016 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:29,017 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:29,017 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:29,018 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:29,018 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:29,019 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,020 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,021 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,038 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,038 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,044 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,045 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,045 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-25 23:18:29,057 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,058 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,083 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:18:29,084 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 23:18:29,085 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 23:18:29,089 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:29,099 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,100 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,101 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,115 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:18:29,125 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,126 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,127 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,128 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,128 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,129 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,130 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,130 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,131 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,138 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-11-25 23:18:29,154 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-11-25 23:18:29,154 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,155 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,161 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:29,162 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:18:29,169 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 23:18:29,175 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:18:29,217 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:29,224 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,312 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,313 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,314 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-11-25 23:18:29,328 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,328 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,335 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:18:29,336 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:29,351 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,359 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,360 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,360 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:18:29,363 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,364 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:18:29,365 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,366 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,366 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:18:29,367 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-11-25 23:18:29,388 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-25 23:18:29,389 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-25 23:18:29,397 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:18:29,398 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,399 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 23:18:29,400 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 23:18:29,407 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 23:18:29,412 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:18:29,413 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:18:29,414 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:18:29,415 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:18:29,416 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:18:29,416 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:18:29,423 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:18:29,423 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:18:29,424 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:18:29,424 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:18:29,433 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 23:18:29,433 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 23:18:29,434 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:18:29,434 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:18:29,434 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:18:29,442 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 23:18:29,444 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:18:29,446 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 23:18:29,450 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,451 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,455 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,456 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,457 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,458 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,460 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,465 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 23:18:29,466 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,467 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,467 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,469 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,469 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,471 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,472 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 23:18:29,472 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,480 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,481 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,482 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,490 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,490 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 23:18:29,492 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:18:29,492 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 23:18:29,492 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:18:29,499 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:18:29,500 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 23:18:29,500 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:18:29,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,501 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 23:18:29,502 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,502 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,503 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 23:18:29,516 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,547 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:29,575 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,576 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,576 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,577 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,577 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,578 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,578 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,580 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,581 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,582 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,583 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,584 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,590 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,591 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,592 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,592 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,597 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,598 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,599 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,599 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,600 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,600 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,601 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,601 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,602 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,603 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,603 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,604 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,604 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,605 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,606 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,607 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,608 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,609 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,609 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,610 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,612 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,612 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,613 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,631 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:18:29,655 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:18:29,662 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:18:29,663 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:18:29,663 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:18:29,665 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:18:29,703 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,704 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:29,704 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,705 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:29,715 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,715 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,716 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,716 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,717 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:29,717 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,723 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,746 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,747 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,755 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 23:18:29,758 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,759 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,766 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,767 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,773 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:29,774 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:29,774 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:29,775 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:29,775 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:29,776 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:29,777 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:29,777 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:29,778 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,779 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,783 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,783 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:18:29,784 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,786 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,786 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:18:29,787 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,801 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:29,801 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,808 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,810 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:29,810 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,811 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:29,811 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:29,813 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,815 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,816 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,817 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,817 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:18:29,818 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,819 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:29,820 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:29,820 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,821 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:29,831 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,833 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,840 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,842 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:29,842 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:30,201 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:30,202 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:30,203 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:30,203 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:30,203 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:30,204 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:30,204 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:30,204 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:30,204 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:30,204 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:30,205 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:30,205 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:30,205 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:30,207 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 23:18:30,210 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 23:18:30,213 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:18:30,217 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:18:30,217 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:18:30,227 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:18:30,229 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 23:18:30,235 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:18:30,236 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:18:30,239 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:18:30,239 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:18:30,240 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:18:30,240 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:18:30,241 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:18:30,241 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:18:30,242 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:18:30,242 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:18:30,242 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:18:30,243 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:18:30,243 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:18:30,244 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 23:18:30,244 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:18:30,245 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:18:30,245 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:18:30,246 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:18:30,246 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:18:30,247 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:18:30,247 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 23:18:30,248 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 23:18:30,305 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 23:18:30,305 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:18:30,315 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:18:31,054 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_4841d79e-e754-41bb-af28-b5dc3d9423bb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2022-11-25 23:18:31,059 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_4841d79e-e754-41bb-af28-b5dc3d9423bb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2022-11-25 23:18:31,060 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_4841d79e-e754-41bb-af28-b5dc3d9423bb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2022-11-25 23:18:31,060 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_4841d79e-e754-41bb-af28-b5dc3d9423bb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2022-11-25 23:18:31,062 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,063 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,070 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,087 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:18:31,161 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:18:31,299 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:18:31,300 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-11-25 23:18:31,301 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-11-25 23:18:31,301 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:18:31,302 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:18:31,303 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:18:31,304 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:18:31,307 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 23:18:31,308 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,316 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 23:18:31,317 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:18:31,318 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 23:18:31,319 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 23:18:31,320 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:18:31,323 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:18:31,324 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:18:31,325 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:18:31,325 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,327 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 23:18:31,329 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:18:31,329 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:18:31,330 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:18:31,331 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:18:31,331 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 23:18:31,333 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-25 23:18:31,336 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-25 23:18:31,339 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-25 23:18:31,342 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-11-25 23:18:31,344 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 23:18:31,349 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 23:18:31,354 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:18:31,356 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,357 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,357 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,357 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,360 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,363 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,365 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,365 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,365 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,367 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,367 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,367 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:31,368 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:31,368 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:31,369 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,370 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,371 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:31,371 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,371 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:31,372 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,372 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,373 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:31,373 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:31,373 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:31,375 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:31,375 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:31,376 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:31,376 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,377 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,377 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,384 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,384 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,385 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,385 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,386 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-25 23:18:31,387 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,388 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,391 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:18:31,391 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 23:18:31,392 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 23:18:31,394 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:31,399 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,399 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,400 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,403 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,410 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,411 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:18:31,412 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,413 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,414 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,414 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,414 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,415 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,415 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,416 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,417 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,418 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-11-25 23:18:31,420 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-11-25 23:18:31,421 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,421 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,422 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:31,422 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:18:31,423 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 23:18:31,424 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:18:31,461 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:31,462 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,466 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,467 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,467 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-11-25 23:18:31,469 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,469 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,470 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:18:31,470 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:31,472 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,474 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,474 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,475 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:18:31,476 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,477 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:18:31,478 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,478 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,478 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:18:31,479 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-11-25 23:18:31,481 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-25 23:18:31,482 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-25 23:18:31,483 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:18:31,484 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,484 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 23:18:31,485 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 23:18:31,487 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 23:18:31,489 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:18:31,489 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:18:31,490 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:18:31,490 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:18:31,491 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:18:31,491 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:18:31,492 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:18:31,492 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:18:31,493 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:18:31,493 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:18:31,494 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 23:18:31,494 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 23:18:31,494 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:18:31,495 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:18:31,495 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:18:31,497 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 23:18:31,497 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:18:31,498 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 23:18:31,498 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,499 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,500 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,500 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,501 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,501 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,501 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,502 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 23:18:31,502 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,502 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,503 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,503 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,503 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,504 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,504 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 23:18:31,504 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,505 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,505 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,505 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,506 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,506 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 23:18:31,507 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:18:31,507 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 23:18:31,507 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:18:31,508 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:18:31,508 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 23:18:31,509 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:18:31,509 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,509 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 23:18:31,510 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,510 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,511 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 23:18:31,512 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,512 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,515 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:31,517 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,518 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,518 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,519 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,519 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,520 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,520 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,520 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,521 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,521 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,521 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,522 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,522 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,523 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,523 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,523 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,524 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,524 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,524 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,525 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,525 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,525 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,526 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,526 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,526 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,527 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,527 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,528 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,528 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,528 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,529 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,529 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,529 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,530 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,530 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,530 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,531 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,531 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,532 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,535 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:18:31,538 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:18:31,539 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:18:31,540 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:18:31,540 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:18:31,541 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:18:31,544 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,545 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:31,545 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,545 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:31,547 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,547 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,548 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,548 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,548 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:31,549 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,549 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,555 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,555 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,558 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 23:18:31,559 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,560 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,560 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,561 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,561 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:31,562 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:31,562 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:31,562 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:31,563 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:31,563 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:31,564 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:31,564 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:18:31,565 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,565 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,566 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,567 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:18:31,567 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,568 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,569 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:18:31,569 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,571 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:31,571 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,573 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:18:31,573 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,573 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:31,574 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:31,575 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,575 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,576 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,576 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,577 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:18:31,577 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,578 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:18:31,578 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:18:31,578 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,579 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:18:31,581 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,582 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,582 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,583 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,584 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:18:31,595 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,595 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,596 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,596 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,596 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,596 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,597 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,597 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,597 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,597 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,598 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,598 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,598 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,599 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 23:18:31,601 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 23:18:31,603 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:18:31,605 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:18:31,605 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:18:31,613 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:18:31,614 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 23:18:31,621 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:18:31,622 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:18:31,627 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:18:31,627 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:18:31,628 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:18:31,628 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:18:31,629 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:18:31,629 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:18:31,630 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:18:31,630 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:18:31,630 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:18:31,631 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:18:31,631 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:18:31,632 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 23:18:31,632 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:18:31,633 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:18:31,633 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:18:31,634 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:18:31,634 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:18:31,634 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:18:31,635 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 23:18:31,635 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 23:18:31,639 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 23:18:31,639 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:18:31,640 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:18:31,664 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_4841d79e-e754-41bb-af28-b5dc3d9423bb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2022-11-25 23:18:31,665 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_4841d79e-e754-41bb-af28-b5dc3d9423bb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2022-11-25 23:18:31,666 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_4841d79e-e754-41bb-af28-b5dc3d9423bb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2022-11-25 23:18:31,666 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_4841d79e-e754-41bb-af28-b5dc3d9423bb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2022-11-25 23:18:31,667 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,670 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,671 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,673 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:18:31,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:18:31,952 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:18:31,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:31 WrapperNode [2022-11-25 23:18:31,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:18:31,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:18:31,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:18:31,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:18:31,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:31" (1/1) ... [2022-11-25 23:18:32,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:31" (1/1) ... [2022-11-25 23:18:32,396 INFO L138 Inliner]: procedures = 537, calls = 2748, calls flagged for inlining = 264, calls inlined = 238, statements flattened = 6330 [2022-11-25 23:18:32,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:18:32,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:18:32,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:18:32,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:18:32,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:31" (1/1) ... [2022-11-25 23:18:32,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:31" (1/1) ... [2022-11-25 23:18:32,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:31" (1/1) ... [2022-11-25 23:18:32,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:31" (1/1) ... [2022-11-25 23:18:32,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:31" (1/1) ... [2022-11-25 23:18:32,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:31" (1/1) ... [2022-11-25 23:18:32,708 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:31" (1/1) ... [2022-11-25 23:18:32,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:31" (1/1) ... [2022-11-25 23:18:32,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:18:32,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:18:32,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:18:32,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:18:32,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:31" (1/1) ... [2022-11-25 23:18:32,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:18:32,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4841d79e-e754-41bb-af28-b5dc3d9423bb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:32,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4841d79e-e754-41bb-af28-b5dc3d9423bb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:18:32,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4841d79e-e754-41bb-af28-b5dc3d9423bb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:18:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-25 23:18:32,847 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-25 23:18:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_eeprom_len [2022-11-25 23:18:32,847 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_eeprom_len [2022-11-25 23:18:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 23:18:32,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 23:18:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_nway_reset [2022-11-25 23:18:32,849 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_nway_reset [2022-11-25 23:18:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 23:18:32,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 23:18:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 23:18:32,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 23:18:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-11-25 23:18:32,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-11-25 23:18:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:18:32,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:18:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-25 23:18:32,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-25 23:18:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 23:18:32,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 23:18:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-25 23:18:32,851 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-25 23:18:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 23:18:32,851 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 23:18:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-25 23:18:32,851 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-25 23:18:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-25 23:18:32,852 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-25 23:18:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_irq [2022-11-25 23:18:32,852 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_irq [2022-11-25 23:18:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-25 23:18:32,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-25 23:18:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-25 23:18:32,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-25 23:18:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_close [2022-11-25 23:18:32,853 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_close [2022-11-25 23:18:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_speed_and_duplex [2022-11-25 23:18:32,853 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_speed_and_duplex [2022-11-25 23:18:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_force_ps [2022-11-25 23:18:32,853 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_force_ps [2022-11-25 23:18:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-25 23:18:32,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-25 23:18:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 23:18:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 23:18:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 23:18:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 23:18:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-25 23:18:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-25 23:18:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 23:18:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 23:18:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 23:18:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 23:18:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:18:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-25 23:18:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-25 23:18:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-25 23:18:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-25 23:18:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-25 23:18:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-25 23:18:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_write_phy_reg [2022-11-25 23:18:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_write_phy_reg [2022-11-25 23:18:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-25 23:18:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-25 23:18:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_vlan_mode [2022-11-25 23:18:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_vlan_mode [2022-11-25 23:18:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 23:18:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 23:18:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_up [2022-11-25 23:18:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_up [2022-11-25 23:18:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 23:18:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 23:18:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-25 23:18:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-25 23:18:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 23:18:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_tx_timeout [2022-11-25 23:18:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_tx_timeout [2022-11-25 23:18:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_enable [2022-11-25 23:18:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_enable [2022-11-25 23:18:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 23:18:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 23:18:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_poll_controller [2022-11-25 23:18:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_poll_controller [2022-11-25 23:18:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 23:18:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 23:18:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 23:18:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:18:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_disable [2022-11-25 23:18:32,859 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_disable [2022-11-25 23:18:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 23:18:32,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 23:18:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2022-11-25 23:18:32,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2022-11-25 23:18:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-25 23:18:32,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-25 23:18:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 23:18:32,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 23:18:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-25 23:18:32,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-25 23:18:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 23:18:32,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 23:18:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 23:18:32,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 23:18:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_shutdown [2022-11-25 23:18:32,861 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_shutdown [2022-11-25 23:18:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure __atl2_vlan_mode [2022-11-25 23:18:32,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl2_vlan_mode [2022-11-25 23:18:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 23:18:32,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 23:18:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:18:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-25 23:18:32,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-25 23:18:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 23:18:32,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 23:18:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-25 23:18:32,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-25 23:18:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:18:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-25 23:18:32,863 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-25 23:18:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 23:18:32,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 23:18:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 23:18:32,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 23:18:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:18:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 23:18:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_set_multi [2022-11-25 23:18:32,864 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_set_multi [2022-11-25 23:18:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_phy_init [2022-11-25 23:18:32,864 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_phy_init [2022-11-25 23:18:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-25 23:18:32,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-25 23:18:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_configure [2022-11-25 23:18:32,864 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_configure [2022-11-25 23:18:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reset_hw [2022-11-25 23:18:32,865 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reset_hw [2022-11-25 23:18:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-25 23:18:32,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-25 23:18:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-25 23:18:32,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-25 23:18:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_open [2022-11-25 23:18:32,865 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_open [2022-11-25 23:18:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 23:18:32,865 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 23:18:32,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 23:18:32,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 23:18:32,866 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_validate_option [2022-11-25 23:18:32,866 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_validate_option [2022-11-25 23:18:32,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2022-11-25 23:18:32,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2022-11-25 23:18:32,866 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 23:18:32,866 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 23:18:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:18:32,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:18:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_intr [2022-11-25 23:18:32,867 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_intr [2022-11-25 23:18:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-25 23:18:32,867 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-25 23:18:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 23:18:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:18:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 23:18:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 23:18:32,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 23:18:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 23:18:32,868 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-25 23:18:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-25 23:18:32,868 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-25 23:18:32,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-25 23:18:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-25 23:18:32,869 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_remove [2022-11-25 23:18:32,869 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_remove [2022-11-25 23:18:32,869 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_eeprom [2022-11-25 23:18:32,869 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_eeprom [2022-11-25 23:18:32,869 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-25 23:18:32,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-25 23:18:32,869 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-25 23:18:32,869 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-25 23:18:32,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:18:32,870 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:18:32,870 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_request_irq [2022-11-25 23:18:32,870 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_request_irq [2022-11-25 23:18:32,870 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 23:18:32,870 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 23:18:32,870 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_phy_reg [2022-11-25 23:18:32,870 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_phy_reg [2022-11-25 23:18:32,871 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-25 23:18:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-25 23:18:32,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:18:32,871 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 23:18:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 23:18:32,871 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-25 23:18:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-25 23:18:32,871 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-25 23:18:32,872 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-25 23:18:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:18:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-25 23:18:32,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-25 23:18:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_suspend [2022-11-25 23:18:32,872 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_suspend [2022-11-25 23:18:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:18:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reinit_locked [2022-11-25 23:18:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reinit_locked [2022-11-25 23:18:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 23:18:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 23:18:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 23:18:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 23:18:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-25 23:18:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-25 23:18:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_resume [2022-11-25 23:18:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_resume [2022-11-25 23:18:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 23:18:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 23:18:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-25 23:18:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-25 23:18:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2022-11-25 23:18:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2022-11-25 23:18:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 23:18:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 23:18:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:18:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:18:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:18:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:18:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:18:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_regs_len [2022-11-25 23:18:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_regs_len [2022-11-25 23:18:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_check_eeprom_exist [2022-11-25 23:18:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_check_eeprom_exist [2022-11-25 23:18:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-25 23:18:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-25 23:18:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_restore_vlan [2022-11-25 23:18:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_restore_vlan [2022-11-25 23:18:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-25 23:18:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-25 23:18:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2022-11-25 23:18:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2022-11-25 23:18:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring_ptrs [2022-11-25 23:18:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring_ptrs [2022-11-25 23:18:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-25 23:18:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-25 23:18:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-25 23:18:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-25 23:18:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_ring_resources [2022-11-25 23:18:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_ring_resources [2022-11-25 23:18:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 23:18:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 23:18:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_down [2022-11-25 23:18:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_down [2022-11-25 23:18:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-25 23:18:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-25 23:18:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-25 23:18:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-25 23:18:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-25 23:18:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-25 23:18:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-25 23:18:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-25 23:18:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_init_hw [2022-11-25 23:18:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_init_hw [2022-11-25 23:18:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:18:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 23:18:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 23:18:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-25 23:18:33,923 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:18:33,929 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:18:34,184 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 23:18:42,679 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 23:18:43,140 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:18:45,285 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:18:45,285 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-25 23:18:45,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:18:45 BoogieIcfgContainer [2022-11-25 23:18:45,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:18:45,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:18:45,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:18:45,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:18:45,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:18:26" (1/3) ... [2022-11-25 23:18:45,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5932dd55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:18:45, skipping insertion in model container [2022-11-25 23:18:45,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:31" (2/3) ... [2022-11-25 23:18:45,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5932dd55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:18:45, skipping insertion in model container [2022-11-25 23:18:45,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:18:45" (3/3) ... [2022-11-25 23:18:45,303 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2022-11-25 23:18:45,324 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:18:45,324 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-25 23:18:45,435 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:18:45,445 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;@4ab3fd49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:18:45,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-25 23:18:45,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 1758 states, 1012 states have (on average 1.2598814229249011) internal successors, (1275), 1034 states have internal predecessors, (1275), 624 states have call successors, (624), 120 states have call predecessors, (624), 119 states have return successors, (619), 617 states have call predecessors, (619), 619 states have call successors, (619) [2022-11-25 23:18:45,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-25 23:18:45,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:45,494 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:18:45,495 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 23:18:45,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:45,502 INFO L85 PathProgramCache]: Analyzing trace with hash 734613074, now seen corresponding path program 1 times [2022-11-25 23:18:45,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:45,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169423282] [2022-11-25 23:18:45,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:45,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2022-11-25 23:18:46,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:46,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169423282] [2022-11-25 23:18:46,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169423282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:46,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:46,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:18:46,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188704998] [2022-11-25 23:18:46,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:46,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:46,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:46,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:46,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:18:46,549 INFO L87 Difference]: Start difference. First operand has 1758 states, 1012 states have (on average 1.2598814229249011) internal successors, (1275), 1034 states have internal predecessors, (1275), 624 states have call successors, (624), 120 states have call predecessors, (624), 119 states have return successors, (619), 617 states have call predecessors, (619), 619 states have call successors, (619) Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-25 23:18:52,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:18:54,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:54,497 INFO L93 Difference]: Finished difference Result 5003 states and 7245 transitions. [2022-11-25 23:18:54,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:54,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 147 [2022-11-25 23:18:54,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:54,551 INFO L225 Difference]: With dead ends: 5003 [2022-11-25 23:18:54,552 INFO L226 Difference]: Without dead ends: 3262 [2022-11-25 23:18:54,579 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 23:18:54,586 INFO L413 NwaCegarLoop]: 2742 mSDtfsCounter, 2174 mSDsluCounter, 2177 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2174 SdHoareTripleChecker+Valid, 4919 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:54,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2174 Valid, 4919 Invalid, 623 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 619 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2022-11-25 23:18:54,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2022-11-25 23:18:54,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3257. [2022-11-25 23:18:54,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3257 states, 1876 states have (on average 1.25) internal successors, (2345), 1917 states have internal predecessors, (2345), 1148 states have call successors, (1148), 231 states have call predecessors, (1148), 230 states have return successors, (1145), 1141 states have call predecessors, (1145), 1145 states have call successors, (1145) [2022-11-25 23:18:54,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3257 states to 3257 states and 4638 transitions. [2022-11-25 23:18:55,001 INFO L78 Accepts]: Start accepts. Automaton has 3257 states and 4638 transitions. Word has length 147 [2022-11-25 23:18:55,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:55,006 INFO L495 AbstractCegarLoop]: Abstraction has 3257 states and 4638 transitions. [2022-11-25 23:18:55,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-25 23:18:55,007 INFO L276 IsEmpty]: Start isEmpty. Operand 3257 states and 4638 transitions. [2022-11-25 23:18:55,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-25 23:18:55,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:55,025 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:18:55,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:18:55,027 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 23:18:55,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:55,028 INFO L85 PathProgramCache]: Analyzing trace with hash 234605090, now seen corresponding path program 1 times [2022-11-25 23:18:55,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:55,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356025811] [2022-11-25 23:18:55,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:55,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:55,505 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2022-11-25 23:18:55,505 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:55,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356025811] [2022-11-25 23:18:55,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356025811] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:55,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:55,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:18:55,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115105419] [2022-11-25 23:18:55,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:55,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:55,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:55,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:55,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:18:55,509 INFO L87 Difference]: Start difference. First operand 3257 states and 4638 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-25 23:18:58,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:19:05,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:19:06,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:06,545 INFO L93 Difference]: Finished difference Result 9539 states and 13600 transitions. [2022-11-25 23:19:06,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:19:06,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 152 [2022-11-25 23:19:06,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:06,614 INFO L225 Difference]: With dead ends: 9539 [2022-11-25 23:19:06,614 INFO L226 Difference]: Without dead ends: 6309 [2022-11-25 23:19:06,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:19:06,634 INFO L413 NwaCegarLoop]: 2771 mSDtfsCounter, 2402 mSDsluCounter, 2121 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2402 SdHoareTripleChecker+Valid, 4892 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:06,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2402 Valid, 4892 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-11-25 23:19:06,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6309 states. [2022-11-25 23:19:07,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6309 to 6277. [2022-11-25 23:19:07,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6277 states, 3640 states have (on average 1.2552197802197802) internal successors, (4569), 3728 states have internal predecessors, (4569), 2188 states have call successors, (2188), 457 states have call predecessors, (2188), 446 states have return successors, (2200), 2153 states have call predecessors, (2200), 2185 states have call successors, (2200) [2022-11-25 23:19:07,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6277 states to 6277 states and 8957 transitions. [2022-11-25 23:19:07,184 INFO L78 Accepts]: Start accepts. Automaton has 6277 states and 8957 transitions. Word has length 152 [2022-11-25 23:19:07,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:07,187 INFO L495 AbstractCegarLoop]: Abstraction has 6277 states and 8957 transitions. [2022-11-25 23:19:07,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-25 23:19:07,187 INFO L276 IsEmpty]: Start isEmpty. Operand 6277 states and 8957 transitions. [2022-11-25 23:19:07,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-25 23:19:07,193 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:07,193 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:19:07,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:19:07,194 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 23:19:07,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:07,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1849471418, now seen corresponding path program 1 times [2022-11-25 23:19:07,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:07,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8392169] [2022-11-25 23:19:07,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:07,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:07,608 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2022-11-25 23:19:07,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:07,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8392169] [2022-11-25 23:19:07,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8392169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:07,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:07,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:19:07,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999306121] [2022-11-25 23:19:07,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:07,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:19:07,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:07,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:19:07,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:19:07,614 INFO L87 Difference]: Start difference. First operand 6277 states and 8957 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 23:19:10,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:19:14,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:19:16,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:16,695 INFO L93 Difference]: Finished difference Result 18367 states and 26238 transitions. [2022-11-25 23:19:16,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:19:16,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 163 [2022-11-25 23:19:16,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:16,801 INFO L225 Difference]: With dead ends: 18367 [2022-11-25 23:19:16,802 INFO L226 Difference]: Without dead ends: 12117 [2022-11-25 23:19:16,843 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 23:19:16,847 INFO L413 NwaCegarLoop]: 2770 mSDtfsCounter, 2200 mSDsluCounter, 2158 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2200 SdHoareTripleChecker+Valid, 4928 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:16,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2200 Valid, 4928 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 618 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2022-11-25 23:19:16,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12117 states. [2022-11-25 23:19:17,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12117 to 12079. [2022-11-25 23:19:17,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12079 states, 7001 states have (on average 1.2538208827310384) internal successors, (8778), 7181 states have internal predecessors, (8778), 4208 states have call successors, (4208), 896 states have call predecessors, (4208), 867 states have return successors, (4274), 4119 states have call predecessors, (4274), 4205 states have call successors, (4274) [2022-11-25 23:19:17,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12079 states to 12079 states and 17260 transitions. [2022-11-25 23:19:17,771 INFO L78 Accepts]: Start accepts. Automaton has 12079 states and 17260 transitions. Word has length 163 [2022-11-25 23:19:17,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:17,792 INFO L495 AbstractCegarLoop]: Abstraction has 12079 states and 17260 transitions. [2022-11-25 23:19:17,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 23:19:17,794 INFO L276 IsEmpty]: Start isEmpty. Operand 12079 states and 17260 transitions. [2022-11-25 23:19:17,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-25 23:19:17,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:17,799 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:19:17,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:19:17,800 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 23:19:17,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:17,803 INFO L85 PathProgramCache]: Analyzing trace with hash -747028321, now seen corresponding path program 1 times [2022-11-25 23:19:17,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:17,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148249579] [2022-11-25 23:19:17,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:17,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:18,157 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2022-11-25 23:19:18,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:18,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148249579] [2022-11-25 23:19:18,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148249579] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:18,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:18,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:19:18,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813008167] [2022-11-25 23:19:18,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:18,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:19:18,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:18,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:19:18,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:19:18,161 INFO L87 Difference]: Start difference. First operand 12079 states and 17260 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-25 23:19:19,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:19:21,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:19:23,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:19:27,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:27,809 INFO L93 Difference]: Finished difference Result 26320 states and 37217 transitions. [2022-11-25 23:19:27,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:19:27,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 166 [2022-11-25 23:19:27,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:27,924 INFO L225 Difference]: With dead ends: 26320 [2022-11-25 23:19:27,924 INFO L226 Difference]: Without dead ends: 14268 [2022-11-25 23:19:27,982 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 23:19:27,983 INFO L413 NwaCegarLoop]: 2657 mSDtfsCounter, 1588 mSDsluCounter, 2125 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 4782 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:27,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1588 Valid, 4782 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 669 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2022-11-25 23:19:28,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14268 states. [2022-11-25 23:19:28,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14268 to 14237. [2022-11-25 23:19:28,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14237 states, 8080 states have (on average 1.2201732673267327) internal successors, (9859), 8313 states have internal predecessors, (9859), 4980 states have call successors, (4980), 1218 states have call predecessors, (4980), 1174 states have return successors, (5076), 4853 states have call predecessors, (5076), 4977 states have call successors, (5076) [2022-11-25 23:19:29,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14237 states to 14237 states and 19915 transitions. [2022-11-25 23:19:29,023 INFO L78 Accepts]: Start accepts. Automaton has 14237 states and 19915 transitions. Word has length 166 [2022-11-25 23:19:29,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:29,023 INFO L495 AbstractCegarLoop]: Abstraction has 14237 states and 19915 transitions. [2022-11-25 23:19:29,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-25 23:19:29,024 INFO L276 IsEmpty]: Start isEmpty. Operand 14237 states and 19915 transitions. [2022-11-25 23:19:29,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-25 23:19:29,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:29,029 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 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] [2022-11-25 23:19:29,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:19:29,030 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:19:29,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:29,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1462489591, now seen corresponding path program 1 times [2022-11-25 23:19:29,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:29,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557508937] [2022-11-25 23:19:29,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:29,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:29,679 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2022-11-25 23:19:29,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:29,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557508937] [2022-11-25 23:19:29,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557508937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:29,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:29,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:19:29,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293891406] [2022-11-25 23:19:29,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:29,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:19:29,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:29,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:19:29,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:29,685 INFO L87 Difference]: Start difference. First operand 14237 states and 19915 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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 23:19:36,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:19:40,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:19:44,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:44,473 INFO L93 Difference]: Finished difference Result 24201 states and 33974 transitions. [2022-11-25 23:19:44,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:19:44,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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 185 [2022-11-25 23:19:44,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:44,603 INFO L225 Difference]: With dead ends: 24201 [2022-11-25 23:19:44,603 INFO L226 Difference]: Without dead ends: 24199 [2022-11-25 23:19:44,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:19:44,620 INFO L413 NwaCegarLoop]: 3210 mSDtfsCounter, 2208 mSDsluCounter, 8551 mSDsCounter, 0 mSdLazyCounter, 1539 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2222 SdHoareTripleChecker+Valid, 11761 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1539 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:44,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2222 Valid, 11761 Invalid, 1544 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1539 Invalid, 2 Unknown, 0 Unchecked, 14.0s Time] [2022-11-25 23:19:44,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24199 states. [2022-11-25 23:19:46,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24199 to 24183. [2022-11-25 23:19:46,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24183 states, 13742 states have (on average 1.2238393246980062) internal successors, (16818), 14148 states have internal predecessors, (16818), 8439 states have call successors, (8439), 2073 states have call predecessors, (8439), 1999 states have return successors, (8702), 8211 states have call predecessors, (8702), 8433 states have call successors, (8702) [2022-11-25 23:19:46,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24183 states to 24183 states and 33959 transitions. [2022-11-25 23:19:46,319 INFO L78 Accepts]: Start accepts. Automaton has 24183 states and 33959 transitions. Word has length 185 [2022-11-25 23:19:46,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:46,320 INFO L495 AbstractCegarLoop]: Abstraction has 24183 states and 33959 transitions. [2022-11-25 23:19:46,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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 23:19:46,320 INFO L276 IsEmpty]: Start isEmpty. Operand 24183 states and 33959 transitions. [2022-11-25 23:19:46,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-25 23:19:46,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:46,324 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1] [2022-11-25 23:19:46,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:19:46,325 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 23:19:46,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:46,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1022291715, now seen corresponding path program 1 times [2022-11-25 23:19:46,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:46,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212185371] [2022-11-25 23:19:46,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:46,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:46,890 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2022-11-25 23:19:46,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:46,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212185371] [2022-11-25 23:19:46,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212185371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:46,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:46,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:19:46,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112441924] [2022-11-25 23:19:46,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:46,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:19:46,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:46,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:19:46,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:46,893 INFO L87 Difference]: Start difference. First operand 24183 states and 33959 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 23:19:54,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:19:56,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:20:01,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:01,595 INFO L93 Difference]: Finished difference Result 28381 states and 39667 transitions. [2022-11-25 23:20:01,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:20:01,596 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2022-11-25 23:20:01,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:01,837 INFO L225 Difference]: With dead ends: 28381 [2022-11-25 23:20:01,837 INFO L226 Difference]: Without dead ends: 28379 [2022-11-25 23:20:01,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:20:01,852 INFO L413 NwaCegarLoop]: 2656 mSDtfsCounter, 1579 mSDsluCounter, 7439 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1592 SdHoareTripleChecker+Valid, 10095 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:01,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1592 Valid, 10095 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1272 Invalid, 1 Unknown, 0 Unchecked, 13.7s Time] [2022-11-25 23:20:01,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28379 states. [2022-11-25 23:20:03,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28379 to 28371. [2022-11-25 23:20:03,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28371 states, 16071 states have (on average 1.218841391325991) internal successors, (19588), 16553 states have internal predecessors, (19588), 9890 states have call successors, (9890), 2496 states have call predecessors, (9890), 2407 states have return successors, (10182), 9619 states have call predecessors, (10182), 9881 states have call successors, (10182) [2022-11-25 23:20:03,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28371 states to 28371 states and 39660 transitions. [2022-11-25 23:20:03,724 INFO L78 Accepts]: Start accepts. Automaton has 28371 states and 39660 transitions. Word has length 190 [2022-11-25 23:20:03,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:03,725 INFO L495 AbstractCegarLoop]: Abstraction has 28371 states and 39660 transitions. [2022-11-25 23:20:03,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 23:20:03,725 INFO L276 IsEmpty]: Start isEmpty. Operand 28371 states and 39660 transitions. [2022-11-25 23:20:03,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-25 23:20:03,729 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:03,730 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:20:03,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:20:03,730 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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 23:20:03,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:03,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1736926945, now seen corresponding path program 1 times [2022-11-25 23:20:03,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:03,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808304279] [2022-11-25 23:20:03,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:03,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2022-11-25 23:20:04,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:04,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808304279] [2022-11-25 23:20:04,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808304279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:04,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:20:04,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:20:04,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527106375] [2022-11-25 23:20:04,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:04,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:20:04,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:04,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:20:04,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:20:04,097 INFO L87 Difference]: Start difference. First operand 28371 states and 39660 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-25 23:20:08,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:20:09,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:20:11,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:20:14,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:14,774 INFO L93 Difference]: Finished difference Result 63458 states and 88777 transitions. [2022-11-25 23:20:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:20:14,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 197 [2022-11-25 23:20:14,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:14,938 INFO L225 Difference]: With dead ends: 63458 [2022-11-25 23:20:14,938 INFO L226 Difference]: Without dead ends: 35132 [2022-11-25 23:20:15,037 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 23:20:15,038 INFO L413 NwaCegarLoop]: 3385 mSDtfsCounter, 1567 mSDsluCounter, 2151 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1567 SdHoareTripleChecker+Valid, 5536 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:15,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1567 Valid, 5536 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 833 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2022-11-25 23:20:15,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35132 states. [2022-11-25 23:20:16,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35132 to 35031. [2022-11-25 23:20:16,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35031 states, 20258 states have (on average 1.2304274854378516) internal successors, (24926), 20842 states have internal predecessors, (24926), 11759 states have call successors, (11759), 3098 states have call predecessors, (11759), 3011 states have return successors, (12039), 11430 states have call predecessors, (12039), 11750 states have call successors, (12039) [2022-11-25 23:20:16,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35031 states to 35031 states and 48724 transitions. [2022-11-25 23:20:16,915 INFO L78 Accepts]: Start accepts. Automaton has 35031 states and 48724 transitions. Word has length 197 [2022-11-25 23:20:16,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:16,916 INFO L495 AbstractCegarLoop]: Abstraction has 35031 states and 48724 transitions. [2022-11-25 23:20:16,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-25 23:20:16,916 INFO L276 IsEmpty]: Start isEmpty. Operand 35031 states and 48724 transitions. [2022-11-25 23:20:16,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-25 23:20:16,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:16,922 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:20:16,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:20:16,923 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 23:20:16,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:16,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1984221705, now seen corresponding path program 1 times [2022-11-25 23:20:16,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:16,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512086307] [2022-11-25 23:20:16,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:16,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:17,541 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 767 trivial. 0 not checked. [2022-11-25 23:20:17,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:17,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512086307] [2022-11-25 23:20:17,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512086307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:17,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:20:17,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:20:17,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8658116] [2022-11-25 23:20:17,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:17,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:20:17,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:17,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:20:17,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:20:17,550 INFO L87 Difference]: Start difference. First operand 35031 states and 48724 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 23:20:25,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:20:27,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:20:29,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:20:34,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:34,033 INFO L93 Difference]: Finished difference Result 35045 states and 48734 transitions. [2022-11-25 23:20:34,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:20:34,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 195 [2022-11-25 23:20:34,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:34,172 INFO L225 Difference]: With dead ends: 35045 [2022-11-25 23:20:34,173 INFO L226 Difference]: Without dead ends: 35043 [2022-11-25 23:20:34,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:20:34,193 INFO L413 NwaCegarLoop]: 2656 mSDtfsCounter, 1579 mSDsluCounter, 7439 mSDsCounter, 0 mSdLazyCounter, 1271 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1591 SdHoareTripleChecker+Valid, 10095 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1271 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:34,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1591 Valid, 10095 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1271 Invalid, 2 Unknown, 0 Unchecked, 15.3s Time] [2022-11-25 23:20:34,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35043 states. [2022-11-25 23:20:35,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35043 to 35035. [2022-11-25 23:20:35,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35035 states, 20261 states have (on average 1.2303933665663096) internal successors, (24929), 20845 states have internal predecessors, (24929), 11759 states have call successors, (11759), 3099 states have call predecessors, (11759), 3012 states have return successors, (12039), 11430 states have call predecessors, (12039), 11750 states have call successors, (12039) [2022-11-25 23:20:36,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35035 states to 35035 states and 48727 transitions. [2022-11-25 23:20:36,215 INFO L78 Accepts]: Start accepts. Automaton has 35035 states and 48727 transitions. Word has length 195 [2022-11-25 23:20:36,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:36,216 INFO L495 AbstractCegarLoop]: Abstraction has 35035 states and 48727 transitions. [2022-11-25 23:20:36,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 23:20:36,216 INFO L276 IsEmpty]: Start isEmpty. Operand 35035 states and 48727 transitions. [2022-11-25 23:20:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-11-25 23:20:36,219 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:36,220 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:20:36,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 23:20:36,220 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 23:20:36,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:36,221 INFO L85 PathProgramCache]: Analyzing trace with hash 813628035, now seen corresponding path program 1 times [2022-11-25 23:20:36,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:36,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260268118] [2022-11-25 23:20:36,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:36,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:36,687 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2022-11-25 23:20:36,688 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:36,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260268118] [2022-11-25 23:20:36,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260268118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:36,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:20:36,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:20:36,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973058497] [2022-11-25 23:20:36,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:36,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:20:36,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:36,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:20:36,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:20:36,692 INFO L87 Difference]: Start difference. First operand 35035 states and 48727 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 23:20:43,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:20:45,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:20:48,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:48,595 INFO L93 Difference]: Finished difference Result 35049 states and 48740 transitions. [2022-11-25 23:20:48,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:20:48,596 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 200 [2022-11-25 23:20:48,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:48,703 INFO L225 Difference]: With dead ends: 35049 [2022-11-25 23:20:48,704 INFO L226 Difference]: Without dead ends: 35047 [2022-11-25 23:20:48,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:20:48,719 INFO L413 NwaCegarLoop]: 2187 mSDtfsCounter, 2435 mSDsluCounter, 4352 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 6539 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:48,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2446 Valid, 6539 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2022-11-25 23:20:48,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35047 states. [2022-11-25 23:20:50,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35047 to 35047. [2022-11-25 23:20:50,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35047 states, 20270 states have (on average 1.2302910705476073) internal successors, (24938), 20854 states have internal predecessors, (24938), 11759 states have call successors, (11759), 3102 states have call predecessors, (11759), 3015 states have return successors, (12039), 11430 states have call predecessors, (12039), 11750 states have call successors, (12039) [2022-11-25 23:20:50,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35047 states to 35047 states and 48736 transitions. [2022-11-25 23:20:50,583 INFO L78 Accepts]: Start accepts. Automaton has 35047 states and 48736 transitions. Word has length 200 [2022-11-25 23:20:50,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:50,583 INFO L495 AbstractCegarLoop]: Abstraction has 35047 states and 48736 transitions. [2022-11-25 23:20:50,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 23:20:50,584 INFO L276 IsEmpty]: Start isEmpty. Operand 35047 states and 48736 transitions. [2022-11-25 23:20:50,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-25 23:20:50,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:50,591 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1] [2022-11-25 23:20:50,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:20:50,591 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 23:20:50,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:50,592 INFO L85 PathProgramCache]: Analyzing trace with hash -592828919, now seen corresponding path program 1 times [2022-11-25 23:20:50,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:50,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129047920] [2022-11-25 23:20:50,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:50,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2022-11-25 23:20:51,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:51,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129047920] [2022-11-25 23:20:51,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129047920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:51,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:20:51,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:20:51,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860370165] [2022-11-25 23:20:51,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:51,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:20:51,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:51,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:20:51,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:20:51,048 INFO L87 Difference]: Start difference. First operand 35047 states and 48736 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 23:20:52,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:20:59,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:21:04,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:21:04,950 INFO L93 Difference]: Finished difference Result 35061 states and 48746 transitions. [2022-11-25 23:21:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:21:04,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 205 [2022-11-25 23:21:04,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:21:05,064 INFO L225 Difference]: With dead ends: 35061 [2022-11-25 23:21:05,064 INFO L226 Difference]: Without dead ends: 35059 [2022-11-25 23:21:05,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:21:05,080 INFO L413 NwaCegarLoop]: 2655 mSDtfsCounter, 1579 mSDsluCounter, 7437 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1589 SdHoareTripleChecker+Valid, 10092 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:21:05,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1589 Valid, 10092 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1272 Invalid, 1 Unknown, 0 Unchecked, 12.6s Time] [2022-11-25 23:21:05,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35059 states. [2022-11-25 23:21:06,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35059 to 35051. [2022-11-25 23:21:06,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35051 states, 20273 states have (on average 1.2302569920584028) internal successors, (24941), 20857 states have internal predecessors, (24941), 11759 states have call successors, (11759), 3103 states have call predecessors, (11759), 3016 states have return successors, (12039), 11430 states have call predecessors, (12039), 11750 states have call successors, (12039) [2022-11-25 23:21:06,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35051 states to 35051 states and 48739 transitions. [2022-11-25 23:21:06,867 INFO L78 Accepts]: Start accepts. Automaton has 35051 states and 48739 transitions. Word has length 205 [2022-11-25 23:21:06,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:21:06,867 INFO L495 AbstractCegarLoop]: Abstraction has 35051 states and 48739 transitions. [2022-11-25 23:21:06,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 23:21:06,868 INFO L276 IsEmpty]: Start isEmpty. Operand 35051 states and 48739 transitions. [2022-11-25 23:21:06,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-25 23:21:06,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:21:06,874 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:21:06,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 23:21:06,875 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:21:06,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:21:06,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1485329923, now seen corresponding path program 1 times [2022-11-25 23:21:06,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:21:06,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23801245] [2022-11-25 23:21:06,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:21:06,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:21:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:21:07,433 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 803 trivial. 0 not checked. [2022-11-25 23:21:07,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:21:07,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23801245] [2022-11-25 23:21:07,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23801245] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:21:07,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:21:07,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:21:07,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613563957] [2022-11-25 23:21:07,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:21:07,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:21:07,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:21:07,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:21:07,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:21:07,436 INFO L87 Difference]: Start difference. First operand 35051 states and 48739 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-25 23:21:14,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:21:16,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:21:21,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:21:21,770 INFO L93 Difference]: Finished difference Result 35065 states and 48749 transitions. [2022-11-25 23:21:21,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:21:21,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 210 [2022-11-25 23:21:21,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:21:21,879 INFO L225 Difference]: With dead ends: 35065 [2022-11-25 23:21:21,880 INFO L226 Difference]: Without dead ends: 35063 [2022-11-25 23:21:21,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:21:21,894 INFO L413 NwaCegarLoop]: 2656 mSDtfsCounter, 1579 mSDsluCounter, 7439 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 10095 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:21:21,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1588 Valid, 10095 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1272 Invalid, 1 Unknown, 0 Unchecked, 13.1s Time] [2022-11-25 23:21:21,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35063 states. [2022-11-25 23:21:23,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35063 to 35055. [2022-11-25 23:21:23,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35055 states, 20276 states have (on average 1.2302229236535807) internal successors, (24944), 20860 states have internal predecessors, (24944), 11759 states have call successors, (11759), 3104 states have call predecessors, (11759), 3017 states have return successors, (12039), 11430 states have call predecessors, (12039), 11750 states have call successors, (12039) [2022-11-25 23:21:23,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35055 states to 35055 states and 48742 transitions. [2022-11-25 23:21:23,458 INFO L78 Accepts]: Start accepts. Automaton has 35055 states and 48742 transitions. Word has length 210 [2022-11-25 23:21:23,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:21:23,459 INFO L495 AbstractCegarLoop]: Abstraction has 35055 states and 48742 transitions. [2022-11-25 23:21:23,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-25 23:21:23,459 INFO L276 IsEmpty]: Start isEmpty. Operand 35055 states and 48742 transitions. [2022-11-25 23:21:23,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-11-25 23:21:23,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:21:23,463 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 7, 6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:21:23,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 23:21:23,463 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:21:23,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:21:23,464 INFO L85 PathProgramCache]: Analyzing trace with hash 181700815, now seen corresponding path program 1 times [2022-11-25 23:21:23,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:21:23,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627081462] [2022-11-25 23:21:23,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:21:23,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:21:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:21:23,886 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 849 trivial. 0 not checked. [2022-11-25 23:21:23,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:21:23,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627081462] [2022-11-25 23:21:23,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627081462] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:21:23,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:21:23,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:21:23,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194675536] [2022-11-25 23:21:23,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:21:23,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:21:23,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:21:23,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:21:23,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:21:23,889 INFO L87 Difference]: Start difference. First operand 35055 states and 48742 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 23:21:34,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:21:34,709 INFO L93 Difference]: Finished difference Result 35069 states and 48755 transitions. [2022-11-25 23:21:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:21:34,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 224 [2022-11-25 23:21:34,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:21:34,810 INFO L225 Difference]: With dead ends: 35069 [2022-11-25 23:21:34,810 INFO L226 Difference]: Without dead ends: 35067 [2022-11-25 23:21:34,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:21:34,821 INFO L413 NwaCegarLoop]: 2187 mSDtfsCounter, 2431 mSDsluCounter, 4352 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 6539 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:21:34,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 6539 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-11-25 23:21:34,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35067 states. [2022-11-25 23:21:36,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35067 to 35067. [2022-11-25 23:21:36,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35067 states, 20285 states have (on average 1.2301207789006656) internal successors, (24953), 20869 states have internal predecessors, (24953), 11759 states have call successors, (11759), 3107 states have call predecessors, (11759), 3020 states have return successors, (12039), 11430 states have call predecessors, (12039), 11750 states have call successors, (12039) [2022-11-25 23:21:36,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35067 states to 35067 states and 48751 transitions. [2022-11-25 23:21:36,420 INFO L78 Accepts]: Start accepts. Automaton has 35067 states and 48751 transitions. Word has length 224 [2022-11-25 23:21:36,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:21:36,421 INFO L495 AbstractCegarLoop]: Abstraction has 35067 states and 48751 transitions. [2022-11-25 23:21:36,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 23:21:36,421 INFO L276 IsEmpty]: Start isEmpty. Operand 35067 states and 48751 transitions. [2022-11-25 23:21:36,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-25 23:21:36,425 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:21:36,425 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 8, 7, 7, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:21:36,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 23:21:36,425 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:21:36,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:21:36,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1448672893, now seen corresponding path program 1 times [2022-11-25 23:21:36,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:21:36,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430418338] [2022-11-25 23:21:36,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:21:36,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:21:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:21:36,997 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 847 trivial. 0 not checked. [2022-11-25 23:21:36,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:21:36,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430418338] [2022-11-25 23:21:36,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430418338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:21:36,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:21:36,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:21:36,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508310196] [2022-11-25 23:21:36,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:21:36,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:21:36,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:21:37,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:21:37,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:21:37,000 INFO L87 Difference]: Start difference. First operand 35067 states and 48751 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-25 23:21:40,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:21:43,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:21:46,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:21:52,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:21:52,015 INFO L93 Difference]: Finished difference Result 35081 states and 48761 transitions. [2022-11-25 23:21:52,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:21:52,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 220 [2022-11-25 23:21:52,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:21:52,141 INFO L225 Difference]: With dead ends: 35081 [2022-11-25 23:21:52,141 INFO L226 Difference]: Without dead ends: 35079 [2022-11-25 23:21:52,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:21:52,155 INFO L413 NwaCegarLoop]: 2656 mSDtfsCounter, 1579 mSDsluCounter, 7439 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1586 SdHoareTripleChecker+Valid, 10095 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:21:52,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1586 Valid, 10095 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1272 Invalid, 1 Unknown, 0 Unchecked, 13.5s Time] [2022-11-25 23:21:52,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35079 states. [2022-11-25 23:21:53,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35079 to 35071. [2022-11-25 23:21:53,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35071 states, 20288 states have (on average 1.2300867507886435) internal successors, (24956), 20872 states have internal predecessors, (24956), 11759 states have call successors, (11759), 3108 states have call predecessors, (11759), 3021 states have return successors, (12039), 11430 states have call predecessors, (12039), 11750 states have call successors, (12039) [2022-11-25 23:21:54,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35071 states to 35071 states and 48754 transitions. [2022-11-25 23:21:54,099 INFO L78 Accepts]: Start accepts. Automaton has 35071 states and 48754 transitions. Word has length 220 [2022-11-25 23:21:54,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:21:54,100 INFO L495 AbstractCegarLoop]: Abstraction has 35071 states and 48754 transitions. [2022-11-25 23:21:54,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-25 23:21:54,100 INFO L276 IsEmpty]: Start isEmpty. Operand 35071 states and 48754 transitions. [2022-11-25 23:21:54,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-11-25 23:21:54,103 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:21:54,103 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 9, 8, 8, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:21:54,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 23:21:54,103 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:21:54,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:21:54,104 INFO L85 PathProgramCache]: Analyzing trace with hash -823992823, now seen corresponding path program 1 times [2022-11-25 23:21:54,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:21:54,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082829126] [2022-11-25 23:21:54,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:21:54,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:21:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:21:54,689 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 875 trivial. 0 not checked. [2022-11-25 23:21:54,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:21:54,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082829126] [2022-11-25 23:21:54,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082829126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:21:54,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:21:54,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:21:54,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922239415] [2022-11-25 23:21:54,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:21:54,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:21:54,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:21:54,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:21:54,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:21:54,692 INFO L87 Difference]: Start difference. First operand 35071 states and 48754 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 23:22:00,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:22:07,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:22:07,534 INFO L93 Difference]: Finished difference Result 35085 states and 48764 transitions. [2022-11-25 23:22:07,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:22:07,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 225 [2022-11-25 23:22:07,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:22:07,632 INFO L225 Difference]: With dead ends: 35085 [2022-11-25 23:22:07,632 INFO L226 Difference]: Without dead ends: 35083 [2022-11-25 23:22:07,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:22:07,643 INFO L413 NwaCegarLoop]: 2656 mSDtfsCounter, 1579 mSDsluCounter, 7439 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 10095 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:22:07,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 10095 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1272 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2022-11-25 23:22:07,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35083 states. [2022-11-25 23:22:09,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35083 to 35075. [2022-11-25 23:22:09,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35075 states, 20291 states have (on average 1.2300527327386526) internal successors, (24959), 20875 states have internal predecessors, (24959), 11759 states have call successors, (11759), 3109 states have call predecessors, (11759), 3022 states have return successors, (12039), 11430 states have call predecessors, (12039), 11750 states have call successors, (12039) [2022-11-25 23:22:09,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35075 states to 35075 states and 48757 transitions. [2022-11-25 23:22:09,346 INFO L78 Accepts]: Start accepts. Automaton has 35075 states and 48757 transitions. Word has length 225 [2022-11-25 23:22:09,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:22:09,346 INFO L495 AbstractCegarLoop]: Abstraction has 35075 states and 48757 transitions. [2022-11-25 23:22:09,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 23:22:09,347 INFO L276 IsEmpty]: Start isEmpty. Operand 35075 states and 48757 transitions. [2022-11-25 23:22:09,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-25 23:22:09,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:22:09,349 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 10, 9, 9, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:22:09,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 23:22:09,350 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:22:09,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:22:09,350 INFO L85 PathProgramCache]: Analyzing trace with hash -2125170307, now seen corresponding path program 1 times [2022-11-25 23:22:09,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:22:09,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494014392] [2022-11-25 23:22:09,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:22:09,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:22:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:22:09,760 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 933 trivial. 0 not checked. [2022-11-25 23:22:09,761 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:22:09,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494014392] [2022-11-25 23:22:09,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494014392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:22:09,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:22:09,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:22:09,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083609762] [2022-11-25 23:22:09,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:22:09,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:22:09,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:22:09,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:22:09,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:22:09,763 INFO L87 Difference]: Start difference. First operand 35075 states and 48757 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-25 23:22:16,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:22:23,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:22:23,857 INFO L93 Difference]: Finished difference Result 35089 states and 48767 transitions. [2022-11-25 23:22:23,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:22:23,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 239 [2022-11-25 23:22:23,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:22:23,996 INFO L225 Difference]: With dead ends: 35089 [2022-11-25 23:22:23,996 INFO L226 Difference]: Without dead ends: 35087 [2022-11-25 23:22:24,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:22:24,015 INFO L413 NwaCegarLoop]: 2655 mSDtfsCounter, 1575 mSDsluCounter, 7437 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 10092 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:22:24,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 10092 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1272 Invalid, 1 Unknown, 0 Unchecked, 12.3s Time] [2022-11-25 23:22:24,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35087 states. [2022-11-25 23:22:25,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35087 to 35079. [2022-11-25 23:22:25,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35079 states, 20294 states have (on average 1.2300187247462304) internal successors, (24962), 20878 states have internal predecessors, (24962), 11759 states have call successors, (11759), 3110 states have call predecessors, (11759), 3023 states have return successors, (12039), 11430 states have call predecessors, (12039), 11750 states have call successors, (12039) [2022-11-25 23:22:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35079 states to 35079 states and 48760 transitions. [2022-11-25 23:22:25,695 INFO L78 Accepts]: Start accepts. Automaton has 35079 states and 48760 transitions. Word has length 239 [2022-11-25 23:22:25,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:22:25,695 INFO L495 AbstractCegarLoop]: Abstraction has 35079 states and 48760 transitions. [2022-11-25 23:22:25,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-25 23:22:25,696 INFO L276 IsEmpty]: Start isEmpty. Operand 35079 states and 48760 transitions. [2022-11-25 23:22:25,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-11-25 23:22:25,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:22:25,700 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:22:25,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 23:22:25,701 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:22:25,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:22:25,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1309905114, now seen corresponding path program 1 times [2022-11-25 23:22:25,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:22:25,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603983357] [2022-11-25 23:22:25,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:22:25,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:22:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:22:25,943 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2022-11-25 23:22:25,944 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:22:25,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603983357] [2022-11-25 23:22:25,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603983357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:22:25,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:22:25,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:22:25,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880749076] [2022-11-25 23:22:25,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:22:25,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:22:25,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:22:25,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:22:25,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:22:25,949 INFO L87 Difference]: Start difference. First operand 35079 states and 48760 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-25 23:22:30,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:22:33,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:22:38,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:22:38,165 INFO L93 Difference]: Finished difference Result 80890 states and 112434 transitions. [2022-11-25 23:22:38,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:22:38,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 230 [2022-11-25 23:22:38,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:22:38,316 INFO L225 Difference]: With dead ends: 80890 [2022-11-25 23:22:38,316 INFO L226 Difference]: Without dead ends: 45894 [2022-11-25 23:22:38,413 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 23:22:38,414 INFO L413 NwaCegarLoop]: 3504 mSDtfsCounter, 1564 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1564 SdHoareTripleChecker+Valid, 5648 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:22:38,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1564 Valid, 5648 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 864 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2022-11-25 23:22:38,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45894 states. [2022-11-25 23:22:40,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45894 to 45745. [2022-11-25 23:22:40,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45745 states, 26683 states have (on average 1.2337818086422065) internal successors, (32921), 27437 states have internal predecessors, (32921), 15041 states have call successors, (15041), 4117 states have call predecessors, (15041), 4018 states have return successors, (15341), 14620 states have call predecessors, (15341), 15032 states have call successors, (15341) [2022-11-25 23:22:41,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45745 states to 45745 states and 63303 transitions. [2022-11-25 23:22:41,317 INFO L78 Accepts]: Start accepts. Automaton has 45745 states and 63303 transitions. Word has length 230 [2022-11-25 23:22:41,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:22:41,318 INFO L495 AbstractCegarLoop]: Abstraction has 45745 states and 63303 transitions. [2022-11-25 23:22:41,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-25 23:22:41,318 INFO L276 IsEmpty]: Start isEmpty. Operand 45745 states and 63303 transitions. [2022-11-25 23:22:41,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-25 23:22:41,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:22:41,321 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 11, 10, 10, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:22:41,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 23:22:41,322 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:22:41,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:22:41,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1484897783, now seen corresponding path program 1 times [2022-11-25 23:22:41,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:22:41,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749694528] [2022-11-25 23:22:41,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:22:41,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:22:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:22:41,752 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 943 trivial. 0 not checked. [2022-11-25 23:22:41,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:22:41,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749694528] [2022-11-25 23:22:41,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749694528] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:22:41,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:22:41,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:22:41,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513072526] [2022-11-25 23:22:41,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:22:41,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:22:41,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:22:41,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:22:41,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:22:41,755 INFO L87 Difference]: Start difference. First operand 45745 states and 63303 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 23:22:46,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:22:48,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:22:50,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:22:52,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:22:57,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:22:57,712 INFO L93 Difference]: Finished difference Result 45759 states and 63316 transitions. [2022-11-25 23:22:57,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:22:57,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 235 [2022-11-25 23:22:57,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:22:57,857 INFO L225 Difference]: With dead ends: 45759 [2022-11-25 23:22:57,857 INFO L226 Difference]: Without dead ends: 45757 [2022-11-25 23:22:57,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:22:57,874 INFO L413 NwaCegarLoop]: 2187 mSDtfsCounter, 2435 mSDsluCounter, 4352 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 6539 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:22:57,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 6539 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 941 Invalid, 2 Unknown, 0 Unchecked, 14.0s Time] [2022-11-25 23:22:57,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45757 states. [2022-11-25 23:23:00,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45757 to 45757. [2022-11-25 23:23:00,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45757 states, 26692 states have (on average 1.2337029821669414) internal successors, (32930), 27446 states have internal predecessors, (32930), 15041 states have call successors, (15041), 4120 states have call predecessors, (15041), 4021 states have return successors, (15341), 14620 states have call predecessors, (15341), 15032 states have call successors, (15341) [2022-11-25 23:23:00,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45757 states to 45757 states and 63312 transitions. [2022-11-25 23:23:00,361 INFO L78 Accepts]: Start accepts. Automaton has 45757 states and 63312 transitions. Word has length 235 [2022-11-25 23:23:00,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:23:00,361 INFO L495 AbstractCegarLoop]: Abstraction has 45757 states and 63312 transitions. [2022-11-25 23:23:00,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 23:23:00,362 INFO L276 IsEmpty]: Start isEmpty. Operand 45757 states and 63312 transitions. [2022-11-25 23:23:00,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-25 23:23:00,364 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:23:00,364 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 12, 11, 11, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:23:00,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 23:23:00,365 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:23:00,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:23:00,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1044122499, now seen corresponding path program 1 times [2022-11-25 23:23:00,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:23:00,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059398809] [2022-11-25 23:23:00,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:00,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:23:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:23:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1009 trivial. 0 not checked. [2022-11-25 23:23:01,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:23:01,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059398809] [2022-11-25 23:23:01,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059398809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:23:01,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:23:01,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:23:01,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241873041] [2022-11-25 23:23:01,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:23:01,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:23:01,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:23:01,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:23:01,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:23:01,010 INFO L87 Difference]: Start difference. First operand 45757 states and 63312 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-25 23:23:08,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:23:16,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:23:16,340 INFO L93 Difference]: Finished difference Result 45771 states and 63322 transitions. [2022-11-25 23:23:16,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:23:16,341 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 249 [2022-11-25 23:23:16,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:23:16,476 INFO L225 Difference]: With dead ends: 45771 [2022-11-25 23:23:16,476 INFO L226 Difference]: Without dead ends: 45769 [2022-11-25 23:23:16,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:23:16,490 INFO L413 NwaCegarLoop]: 2656 mSDtfsCounter, 1575 mSDsluCounter, 7439 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1578 SdHoareTripleChecker+Valid, 10095 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:23:16,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1578 Valid, 10095 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1272 Invalid, 1 Unknown, 0 Unchecked, 12.9s Time] [2022-11-25 23:23:16,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45769 states. [2022-11-25 23:23:18,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45769 to 45761. [2022-11-25 23:23:18,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45761 states, 26695 states have (on average 1.233676718486608) internal successors, (32933), 27449 states have internal predecessors, (32933), 15041 states have call successors, (15041), 4121 states have call predecessors, (15041), 4022 states have return successors, (15341), 14620 states have call predecessors, (15341), 15032 states have call successors, (15341) [2022-11-25 23:23:19,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45761 states to 45761 states and 63315 transitions. [2022-11-25 23:23:19,018 INFO L78 Accepts]: Start accepts. Automaton has 45761 states and 63315 transitions. Word has length 249 [2022-11-25 23:23:19,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:23:19,019 INFO L495 AbstractCegarLoop]: Abstraction has 45761 states and 63315 transitions. [2022-11-25 23:23:19,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-25 23:23:19,020 INFO L276 IsEmpty]: Start isEmpty. Operand 45761 states and 63315 transitions. [2022-11-25 23:23:19,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-11-25 23:23:19,022 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:23:19,022 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 13, 12, 12, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:23:19,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 23:23:19,023 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:23:19,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:23:19,024 INFO L85 PathProgramCache]: Analyzing trace with hash 136123983, now seen corresponding path program 1 times [2022-11-25 23:23:19,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:23:19,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888330437] [2022-11-25 23:23:19,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:19,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:23:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:23:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2022-11-25 23:23:19,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:23:19,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888330437] [2022-11-25 23:23:19,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888330437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:23:19,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:23:19,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:23:19,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810613546] [2022-11-25 23:23:19,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:23:19,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:23:19,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:23:19,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:23:19,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:23:19,412 INFO L87 Difference]: Start difference. First operand 45761 states and 63315 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-25 23:23:26,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:23:33,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:23:33,717 INFO L93 Difference]: Finished difference Result 45775 states and 63325 transitions. [2022-11-25 23:23:33,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:23:33,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 254 [2022-11-25 23:23:33,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:23:33,944 INFO L225 Difference]: With dead ends: 45775 [2022-11-25 23:23:33,944 INFO L226 Difference]: Without dead ends: 45773 [2022-11-25 23:23:33,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:23:33,972 INFO L413 NwaCegarLoop]: 2655 mSDtfsCounter, 1575 mSDsluCounter, 7437 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1577 SdHoareTripleChecker+Valid, 10092 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:23:33,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1577 Valid, 10092 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1272 Invalid, 1 Unknown, 0 Unchecked, 12.2s Time] [2022-11-25 23:23:34,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45773 states. [2022-11-25 23:23:36,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45773 to 45765. [2022-11-25 23:23:36,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45765 states, 26698 states have (on average 1.2336504607086674) internal successors, (32936), 27452 states have internal predecessors, (32936), 15041 states have call successors, (15041), 4122 states have call predecessors, (15041), 4023 states have return successors, (15341), 14620 states have call predecessors, (15341), 15032 states have call successors, (15341) [2022-11-25 23:23:36,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45765 states to 45765 states and 63318 transitions. [2022-11-25 23:23:36,622 INFO L78 Accepts]: Start accepts. Automaton has 45765 states and 63318 transitions. Word has length 254 [2022-11-25 23:23:36,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:23:36,623 INFO L495 AbstractCegarLoop]: Abstraction has 45765 states and 63318 transitions. [2022-11-25 23:23:36,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-25 23:23:36,623 INFO L276 IsEmpty]: Start isEmpty. Operand 45765 states and 63318 transitions. [2022-11-25 23:23:36,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-11-25 23:23:36,625 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:23:36,625 INFO L195 NwaCegarLoop]: trace histogram [17, 14, 13, 13, 13, 13, 13, 13, 13, 13, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:23:36,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 23:23:36,626 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:23:36,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:23:36,627 INFO L85 PathProgramCache]: Analyzing trace with hash -2016977027, now seen corresponding path program 1 times [2022-11-25 23:23:36,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:23:36,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107498907] [2022-11-25 23:23:36,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:36,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:23:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:23:37,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1127 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1101 trivial. 0 not checked. [2022-11-25 23:23:37,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:23:37,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107498907] [2022-11-25 23:23:37,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107498907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:23:37,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:23:37,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:23:37,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541310864] [2022-11-25 23:23:37,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:23:37,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:23:37,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:23:37,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:23:37,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:23:37,062 INFO L87 Difference]: Start difference. First operand 45765 states and 63318 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-25 23:23:44,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []