./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/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_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/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_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/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 d46a0c21917156d86326b49faaf0b679a3e4aece26c641cfed6d2cba03552492 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:32:47,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:32:47,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:32:47,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:32:47,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:32:47,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:32:47,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:32:47,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:32:47,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:32:47,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:32:47,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:32:47,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:32:47,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:32:47,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:32:47,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:32:47,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:32:47,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:32:47,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:32:47,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:32:47,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:32:47,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:32:47,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:32:47,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:32:47,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:32:47,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:32:47,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:32:47,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:32:47,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:32:47,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:32:47,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:32:47,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:32:47,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:32:47,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:32:47,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:32:47,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:32:47,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:32:47,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:32:47,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:32:47,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:32:47,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:32:47,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:32:47,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:32:47,249 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:32:47,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:32:47,250 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:32:47,250 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:32:47,251 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:32:47,251 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:32:47,251 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:32:47,251 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:32:47,252 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:32:47,252 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:32:47,252 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:32:47,252 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:32:47,253 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:32:47,253 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:32:47,253 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:32:47,253 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:32:47,254 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:32:47,254 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:32:47,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:32:47,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:32:47,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:32:47,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:32:47,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:32:47,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:32:47,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:32:47,257 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:32:47,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:32:47,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:32:47,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:32:47,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:32:47,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:32:47,258 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:32:47,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:32:47,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:32:47,259 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:32:47,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:32:47,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:32:47,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:32:47,260 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_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d46a0c21917156d86326b49faaf0b679a3e4aece26c641cfed6d2cba03552492 [2022-11-25 23:32:47,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:32:47,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:32:47,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:32:47,582 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:32:47,583 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:32:47,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-11-25 23:32:50,938 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:32:51,741 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:32:51,742 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-11-25 23:32:51,837 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/bin/utaipan-ByfvJB40ur/data/8c7c1fbd0/766b7e39c951478cb148e3b888fd7509/FLAG2e28c27f2 [2022-11-25 23:32:51,865 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/bin/utaipan-ByfvJB40ur/data/8c7c1fbd0/766b7e39c951478cb148e3b888fd7509 [2022-11-25 23:32:51,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:32:51,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:32:51,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:32:51,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:32:51,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:32:51,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:32:51" (1/1) ... [2022-11-25 23:32:51,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a677e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:32:51, skipping insertion in model container [2022-11-25 23:32:51,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:32:51" (1/1) ... [2022-11-25 23:32:51,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:32:52,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:32:53,238 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:32:53,256 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 23:32:53,267 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:32:53,285 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:32:53,304 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 23:32:53,316 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:32:53,335 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:32:53,602 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:32:53,608 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:32:53,608 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 23:32:53,617 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 23:32:53,625 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 23:32:53,633 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 23:32:53,662 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 23:32:53,669 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:32:53,677 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 23:32:53,741 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:32:53,762 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:32:53,813 WARN L623 FunctionHandler]: Unknown extern function skb_tstamp_tx [2022-11-25 23:32:53,826 WARN L623 FunctionHandler]: Unknown extern function skb_clone_tx_timestamp [2022-11-25 23:32:53,906 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:32:53,910 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:32:53,927 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:32:53,935 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:53,971 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 23:32:54,055 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-25 23:32:54,061 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-11-25 23:32:54,097 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-11-25 23:32:54,192 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 23:32:54,318 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,324 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:54,332 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:32:54,338 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,345 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,351 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:32:54,357 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:54,485 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:32:54,488 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:32:54,488 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-25 23:32:54,496 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 23:32:54,503 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 23:32:54,510 WARN L623 FunctionHandler]: Unknown extern function ioport_map [2022-11-25 23:32:54,517 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:32:54,517 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 23:32:54,528 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 23:32:54,532 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 23:32:54,534 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 23:32:54,534 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:32:54,534 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:32:54,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,544 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,544 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,548 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 23:32:54,549 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,550 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:32:54,551 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:32:54,551 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:32:54,557 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:32:54,561 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,562 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,564 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,565 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,566 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,566 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,568 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 23:32:54,569 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,573 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,577 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,578 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,582 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,618 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,621 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 23:32:54,622 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,634 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,635 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,636 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,636 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,637 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:32:54,638 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,638 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,645 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,654 WARN L623 FunctionHandler]: Unknown extern function mii_check_media [2022-11-25 23:32:54,659 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:32:54,661 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 23:32:54,663 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:32:54,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,666 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,668 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,671 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:32:54,672 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 23:32:54,673 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:32:54,674 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,678 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,680 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,683 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,686 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,700 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,702 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,702 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:54,703 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:54,704 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:32:54,706 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:54,706 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,707 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,707 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,710 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,711 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,712 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,713 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:54,716 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,719 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,721 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:32:54,723 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,737 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:32:54,739 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,746 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,750 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,755 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:32:54,757 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,758 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:32:54,763 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,769 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,779 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,784 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,795 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,798 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,800 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,801 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,803 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,804 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:54,804 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,807 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:32:54,808 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,809 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:54,809 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,810 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,810 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,811 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:32:54,813 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:32:54,814 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-25 23:32:54,817 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,821 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:32:54,822 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:54,824 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:32:54,825 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,835 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,848 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,850 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:54,851 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,852 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,858 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:32:54,859 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,860 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,862 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,863 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,864 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,865 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,868 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,869 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,872 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:32:54,872 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,885 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,886 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,887 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,889 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:54,891 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:54,892 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,893 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,893 WARN L623 FunctionHandler]: Unknown extern function iowrite32_rep [2022-11-25 23:32:54,894 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:32:54,894 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,895 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,902 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,906 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,910 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:32:54,911 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:54,914 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,916 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,917 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,925 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:32:54,926 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:54,927 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,929 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,931 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,935 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:54,936 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,938 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,940 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,940 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,941 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,941 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,943 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,943 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,945 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,945 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,946 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,947 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,948 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,948 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,950 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,953 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,954 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,956 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,958 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:54,959 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,960 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,961 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,962 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,963 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,964 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:32:54,968 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,970 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,971 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,971 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,972 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,973 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,973 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,974 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:54,974 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,976 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,979 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,980 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,980 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,981 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:54,982 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,985 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:54,986 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,987 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:32:54,988 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:54,988 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,989 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,990 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,991 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:32:54,992 WARN L623 FunctionHandler]: Unknown extern function ioread32_rep [2022-11-25 23:32:54,992 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:32:54,993 WARN L623 FunctionHandler]: Unknown extern function ioread32_rep [2022-11-25 23:32:54,993 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:54,994 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 23:32:54,995 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 23:32:54,996 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:54,996 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:54,997 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:55,000 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:55,001 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:55,006 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:55,012 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:55,013 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:32:55,015 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:32:55,025 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 23:32:55,026 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 23:32:55,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:55,034 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:55,036 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:55,038 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:55,038 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:55,038 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:55,039 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:55,039 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:55,039 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:55,040 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:55,041 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 23:32:55,043 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:55,048 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:55,048 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:55,050 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:55,051 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:55,054 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:32:55,064 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:32:55,065 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:32:55,066 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:55,066 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:32:55,067 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:55,069 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:55,070 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:55,081 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-11-25 23:32:55,087 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-11-25 23:32:55,093 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-11-25 23:32:55,134 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:32:55,140 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:32:55,145 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:32:55,170 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:32:55,170 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-11-25 23:32:55,172 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:32:55,173 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:55,173 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:55,188 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-11-25 23:32:55,189 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:55,189 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:55,191 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:55,192 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:32:55,199 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:55,200 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 23:32:55,200 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:32:55,201 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 23:32:55,201 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:32:55,201 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:55,202 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 23:32:55,202 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:32:55,219 WARN L623 FunctionHandler]: Unknown extern function ioport_map [2022-11-25 23:32:55,220 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:55,220 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 23:32:55,753 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 23:32:55,755 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_ts_info [2022-11-25 23:32:55,756 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 23:32:55,757 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 23:32:55,759 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 23:32:55,761 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:32:55,764 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:32:55,765 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:32:55,778 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:32:55,789 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:32:55,800 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 23:32:55,804 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:32:55,805 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:32:55,807 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:55,808 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:55,809 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:55,810 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:55,810 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:55,811 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:55,811 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 23:32:55,812 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:32:55,813 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:32:55,815 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:32:55,816 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:32:55,817 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:55,819 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:32:55,820 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:32:55,821 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:32:55,822 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:32:55,823 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:32:55,824 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:32:55,824 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:55,825 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:55,826 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:32:55,826 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:32:55,827 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 23:32:55,828 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:32:55,829 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:32:55,829 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 23:32:55,910 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 23:32:55,910 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:32:55,924 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:32:56,712 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_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450587,450600] [2022-11-25 23:32:56,722 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_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450756,450769] [2022-11-25 23:32:56,725 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_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450923,450936] [2022-11-25 23:32:56,725 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_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[451091,451104] [2022-11-25 23:32:56,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:32:56,819 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:32:56,956 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:32:56,956 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 23:32:56,957 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:32:56,957 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:32:56,957 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 23:32:56,958 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:32:56,958 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:32:56,964 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:32:56,965 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:32:56,965 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 23:32:56,966 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 23:32:56,968 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 23:32:56,969 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 23:32:56,971 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 23:32:56,972 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:32:56,972 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 23:32:56,974 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:32:56,974 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:32:56,976 WARN L623 FunctionHandler]: Unknown extern function skb_tstamp_tx [2022-11-25 23:32:56,977 WARN L623 FunctionHandler]: Unknown extern function skb_clone_tx_timestamp [2022-11-25 23:32:56,978 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:32:56,979 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:32:56,980 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:32:56,980 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:56,981 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 23:32:56,982 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-25 23:32:56,984 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-11-25 23:32:56,986 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-11-25 23:32:56,989 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 23:32:56,995 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:56,996 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:56,996 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:32:56,997 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:56,998 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:56,998 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:32:56,999 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:57,003 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:32:57,004 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:32:57,004 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-25 23:32:57,005 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 23:32:57,006 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 23:32:57,007 WARN L623 FunctionHandler]: Unknown extern function ioport_map [2022-11-25 23:32:57,008 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:32:57,008 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 23:32:57,010 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 23:32:57,010 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 23:32:57,011 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 23:32:57,011 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:32:57,011 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:32:57,015 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,018 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,018 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,020 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 23:32:57,021 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,021 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:32:57,022 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:32:57,022 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:32:57,025 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:32:57,027 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,028 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,028 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,029 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,030 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,030 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,031 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 23:32:57,031 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,033 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,035 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,036 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,038 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,040 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,041 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,042 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,044 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,045 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 23:32:57,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,048 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,048 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,049 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,049 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,050 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:32:57,050 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,050 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,051 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,053 WARN L623 FunctionHandler]: Unknown extern function mii_check_media [2022-11-25 23:32:57,056 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:32:57,057 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 23:32:57,057 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:32:57,058 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,058 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,059 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,060 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,061 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,061 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:32:57,062 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 23:32:57,062 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:32:57,063 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,065 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,066 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,067 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,069 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,070 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,070 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,071 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:57,071 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:57,072 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:32:57,072 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:57,073 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,073 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,073 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,075 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,075 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,075 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,076 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:57,078 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,079 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,080 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:32:57,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,082 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:32:57,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,085 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,086 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,087 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:32:57,088 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,089 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:32:57,090 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,091 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,093 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,094 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,096 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,097 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,098 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,099 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,100 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,101 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:57,101 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,101 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:32:57,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,102 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:57,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,103 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,103 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:32:57,104 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:32:57,104 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-25 23:32:57,105 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,106 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:32:57,106 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:57,107 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:32:57,107 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,108 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,110 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:57,111 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,111 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,112 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:32:57,113 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,113 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,114 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,115 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,115 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,116 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,116 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,117 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,117 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,118 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:32:57,118 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,119 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,119 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,119 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,121 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:57,122 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:57,123 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,123 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,124 WARN L623 FunctionHandler]: Unknown extern function iowrite32_rep [2022-11-25 23:32:57,125 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:32:57,125 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,125 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,127 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,128 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,128 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 23:32:57,129 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:57,134 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,135 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,141 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:32:57,141 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:57,142 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,144 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,145 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,146 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:57,147 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,148 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,149 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,149 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,149 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,150 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,151 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,151 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,153 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,153 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,154 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,154 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,154 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,156 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,158 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,159 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,160 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,162 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:57,162 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,163 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,163 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,164 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,165 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,165 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:32:57,168 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,208 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,209 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,209 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,210 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,210 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,210 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,211 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:57,211 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,213 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,215 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,216 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,216 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,216 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:57,217 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,219 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,220 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,220 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:32:57,221 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:57,222 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,222 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,222 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,223 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:32:57,224 WARN L623 FunctionHandler]: Unknown extern function ioread32_rep [2022-11-25 23:32:57,224 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:32:57,225 WARN L623 FunctionHandler]: Unknown extern function ioread32_rep [2022-11-25 23:32:57,225 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,225 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 23:32:57,225 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 23:32:57,226 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,226 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,227 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,229 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,230 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,231 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,233 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,235 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:32:57,236 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:32:57,237 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 23:32:57,238 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 23:32:57,243 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,245 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,247 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,248 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,248 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,249 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,249 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,249 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,250 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:57,250 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:32:57,251 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 23:32:57,255 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 23:32:57,255 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 23:32:57,256 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,256 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:32:57,257 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,258 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:32:57,260 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:32:57,261 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:32:57,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,262 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:32:57,263 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,263 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,264 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,268 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-11-25 23:32:57,268 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-11-25 23:32:57,269 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-11-25 23:32:57,271 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:32:57,272 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:32:57,273 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:32:57,278 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:32:57,279 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-11-25 23:32:57,280 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:32:57,280 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,281 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,287 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-11-25 23:32:57,287 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,288 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,289 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,291 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:32:57,291 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:32:57,292 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 23:32:57,292 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:32:57,293 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 23:32:57,293 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:32:57,293 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,293 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 23:32:57,294 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:32:57,295 WARN L623 FunctionHandler]: Unknown extern function ioport_map [2022-11-25 23:32:57,296 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:32:57,296 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 23:32:57,301 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 23:32:57,302 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_ts_info [2022-11-25 23:32:57,303 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 23:32:57,303 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 23:32:57,304 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 23:32:57,306 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:32:57,307 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:32:57,308 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:32:57,315 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:32:57,321 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:32:57,346 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 23:32:57,351 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:32:57,352 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:32:57,356 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:57,356 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:57,356 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:57,357 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:57,357 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:57,357 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:57,358 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 23:32:57,358 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:32:57,359 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:32:57,359 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:32:57,360 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:32:57,361 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:57,361 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:32:57,362 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:32:57,362 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:32:57,363 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:32:57,363 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:32:57,364 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:32:57,364 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:57,364 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:32:57,365 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:32:57,365 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:32:57,365 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 23:32:57,366 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:32:57,366 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:32:57,366 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 23:32:57,370 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 23:32:57,370 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:32:57,371 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:32:57,394 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_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450587,450600] [2022-11-25 23:32:57,394 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_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450756,450769] [2022-11-25 23:32:57,395 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_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[450923,450936] [2022-11-25 23:32:57,395 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_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[451091,451104] [2022-11-25 23:32:57,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:32:57,700 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:32:57,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:32:57 WrapperNode [2022-11-25 23:32:57,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:32:57,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:32:57,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:32:57,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:32:57,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:32:57" (1/1) ... [2022-11-25 23:32:57,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:32:57" (1/1) ... [2022-11-25 23:32:58,176 INFO L138 Inliner]: procedures = 547, calls = 4350, calls flagged for inlining = 248, calls inlined = 226, statements flattened = 8732 [2022-11-25 23:32:58,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:32:58,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:32:58,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:32:58,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:32:58,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:32:57" (1/1) ... [2022-11-25 23:32:58,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:32:57" (1/1) ... [2022-11-25 23:32:58,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:32:57" (1/1) ... [2022-11-25 23:32:58,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:32:57" (1/1) ... [2022-11-25 23:32:58,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:32:57" (1/1) ... [2022-11-25 23:32:58,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:32:57" (1/1) ... [2022-11-25 23:32:58,511 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:32:57" (1/1) ... [2022-11-25 23:32:58,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:32:57" (1/1) ... [2022-11-25 23:32:58,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:32:58,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:32:58,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:32:58,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:32:58,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:32:57" (1/1) ... [2022-11-25 23:32:58,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:32:58,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:32:58,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:32:58,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:32:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 23:32:58,717 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 23:32:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 23:32:58,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 23:32:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-25 23:32:58,819 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-25 23:32:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-11-25 23:32:58,820 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-11-25 23:32:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-11-25 23:32:58,820 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-11-25 23:32:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 23:32:58,820 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 23:32:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-11-25 23:32:58,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-11-25 23:32:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:32:58,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:32:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-25 23:32:58,820 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-25 23:32:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-11-25 23:32:58,821 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-11-25 23:32:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2022-11-25 23:32:58,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2022-11-25 23:32:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-11-25 23:32:58,821 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-11-25 23:32:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 23:32:58,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 23:32:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-25 23:32:58,821 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-25 23:32:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-11-25 23:32:58,821 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-11-25 23:32:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 23:32:58,822 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 23:32:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-25 23:32:58,822 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-25 23:32:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-25 23:32:58,822 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-25 23:32:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-11-25 23:32:58,822 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-11-25 23:32:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-25 23:32:58,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-25 23:32:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-11-25 23:32:58,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-11-25 23:32:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-25 23:32:58,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-25 23:32:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2022-11-25 23:32:58,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2022-11-25 23:32:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 23:32:58,823 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 23:32:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-11-25 23:32:58,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-11-25 23:32:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-11-25 23:32:58,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-11-25 23:32:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-11-25 23:32:58,823 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-11-25 23:32:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-25 23:32:58,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-25 23:32:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 23:32:58,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 23:32:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 23:32:58,826 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 23:32:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-25 23:32:58,826 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-25 23:32:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-25 23:32:58,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-25 23:32:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-25 23:32:58,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-25 23:32:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 23:32:58,827 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 23:32:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 23:32:58,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 23:32:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-25 23:32:58,827 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-25 23:32:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 23:32:58,827 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 23:32:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2022-11-25 23:32:58,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2022-11-25 23:32:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-25 23:32:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-25 23:32:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:32:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-11-25 23:32:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-11-25 23:32:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-25 23:32:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-25 23:32:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 23:32:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 23:32:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-25 23:32:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-25 23:32:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 23:32:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-11-25 23:32:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-11-25 23:32:58,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-25 23:32:58,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-25 23:32:58,829 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-11-25 23:32:58,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-11-25 23:32:58,829 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 23:32:58,829 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 23:32:58,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-25 23:32:58,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-25 23:32:58,829 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 23:32:58,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 23:32:58,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 23:32:58,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 23:32:58,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 23:32:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:32:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-11-25 23:32:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-11-25 23:32:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-11-25 23:32:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-11-25 23:32:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 23:32:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 23:32:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 23:32:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 23:32:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-25 23:32:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-25 23:32:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 23:32:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 23:32:58,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 23:32:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 23:32:58,832 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-11-25 23:32:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-11-25 23:32:58,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_83 [2022-11-25 23:32:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_83 [2022-11-25 23:32:58,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-25 23:32:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-25 23:32:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-25 23:32:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-25 23:32:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-25 23:32:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-25 23:32:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-11-25 23:32:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-11-25 23:32:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 23:32:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 23:32:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-11-25 23:32:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-11-25 23:32:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 23:32:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 23:32:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:32:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-11-25 23:32:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-11-25 23:32:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-25 23:32:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-25 23:32:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:32:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 23:32:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 23:32:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 23:32:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 23:32:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:32:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-11-25 23:32:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-11-25 23:32:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:32:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:32:58,838 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-25 23:32:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-25 23:32:58,838 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 23:32:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 23:32:58,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_98 [2022-11-25 23:32:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_98 [2022-11-25 23:32:58,838 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-11-25 23:32:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-11-25 23:32:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-25 23:32:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-25 23:32:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-11-25 23:32:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-11-25 23:32:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-25 23:32:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-25 23:32:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-25 23:32:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-25 23:32:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-11-25 23:32:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-11-25 23:32:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-25 23:32:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-25 23:32:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-11-25 23:32:58,841 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-11-25 23:32:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 23:32:58,841 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 23:32:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 23:32:58,841 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 23:32:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-11-25 23:32:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-11-25 23:32:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 23:32:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 23:32:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-11-25 23:32:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-11-25 23:32:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-11-25 23:32:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-11-25 23:32:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-25 23:32:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-25 23:32:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-25 23:32:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-25 23:32:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-11-25 23:32:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-11-25 23:32:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-25 23:32:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-25 23:32:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-11-25 23:32:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-11-25 23:32:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-11-25 23:32:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-11-25 23:32:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-25 23:32:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-25 23:32:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:32:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:32:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-11-25 23:32:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-11-25 23:32:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 23:32:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:32:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 23:32:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 23:32:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 23:32:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 23:32:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-25 23:32:58,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-25 23:32:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-11-25 23:32:58,869 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-11-25 23:32:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-25 23:32:58,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-25 23:32:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 23:32:58,870 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 23:32:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-25 23:32:58,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-25 23:32:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 23:32:58,870 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 23:32:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-25 23:32:58,871 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-25 23:32:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:32:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-25 23:32:58,871 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-25 23:32:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-25 23:32:58,872 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-25 23:32:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:32:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-11-25 23:32:58,872 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-11-25 23:32:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-11-25 23:32:58,872 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-11-25 23:32:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2022-11-25 23:32:58,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2022-11-25 23:32:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:32:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 23:32:58,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 23:32:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2022-11-25 23:32:58,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2022-11-25 23:32:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-25 23:32:58,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-25 23:32:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 23:32:58,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 23:32:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 23:32:58,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 23:32:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-25 23:32:58,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-25 23:32:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2022-11-25 23:32:58,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2022-11-25 23:32:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-25 23:32:58,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-25 23:32:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-11-25 23:32:58,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-11-25 23:32:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2022-11-25 23:32:58,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2022-11-25 23:32:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2022-11-25 23:32:58,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2022-11-25 23:32:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-11-25 23:32:58,876 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-11-25 23:32:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-25 23:32:58,877 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-25 23:32:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-25 23:32:58,877 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-25 23:32:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-11-25 23:32:58,877 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-11-25 23:32:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-25 23:32:58,878 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-25 23:32:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 23:32:58,878 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 23:32:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-25 23:32:58,878 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-25 23:32:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 23:32:58,879 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 23:32:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-11-25 23:32:58,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-11-25 23:32:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2022-11-25 23:32:58,879 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2022-11-25 23:32:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:32:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-11-25 23:32:58,880 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-11-25 23:32:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-25 23:32:58,880 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-25 23:32:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-25 23:32:58,880 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-25 23:32:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:32:58,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:32:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-11-25 23:32:58,881 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-11-25 23:32:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-11-25 23:32:58,881 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-11-25 23:32:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2022-11-25 23:32:58,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2022-11-25 23:32:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-25 23:32:58,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-25 23:32:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2022-11-25 23:32:58,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2022-11-25 23:32:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2022-11-25 23:32:58,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2022-11-25 23:32:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-11-25 23:32:58,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-11-25 23:32:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2022-11-25 23:32:58,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2022-11-25 23:32:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-25 23:32:58,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-25 23:32:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-11-25 23:32:58,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-11-25 23:32:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-11-25 23:32:58,884 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-11-25 23:32:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 23:32:58,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 23:32:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-25 23:32:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-25 23:32:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-25 23:32:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-25 23:32:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-25 23:32:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-25 23:32:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-11-25 23:32:58,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-11-25 23:32:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-25 23:32:58,886 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-25 23:32:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:32:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 23:32:58,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 23:32:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-25 23:32:58,887 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-25 23:33:00,096 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:33:00,100 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:33:02,835 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 23:33:09,610 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:33:13,047 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:33:13,047 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-25 23:33:13,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:33:13 BoogieIcfgContainer [2022-11-25 23:33:13,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:33:13,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:33:13,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:33:13,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:33:13,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:32:51" (1/3) ... [2022-11-25 23:33:13,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e50bdb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:33:13, skipping insertion in model container [2022-11-25 23:33:13,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:32:57" (2/3) ... [2022-11-25 23:33:13,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e50bdb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:33:13, skipping insertion in model container [2022-11-25 23:33:13,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:33:13" (3/3) ... [2022-11-25 23:33:13,073 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-11-25 23:33:13,096 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:33:13,097 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-25 23:33:13,223 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:33:13,236 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b473e02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:33:13,236 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-25 23:33:13,250 INFO L276 IsEmpty]: Start isEmpty. Operand has 2100 states, 1184 states have (on average 1.304054054054054) internal successors, (1544), 1272 states have internal predecessors, (1544), 758 states have call successors, (758), 155 states have call predecessors, (758), 154 states have return successors, (751), 733 states have call predecessors, (751), 751 states have call successors, (751) [2022-11-25 23:33:13,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-25 23:33:13,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:33:13,265 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:33:13,265 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 23:33:13,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:33:13,273 INFO L85 PathProgramCache]: Analyzing trace with hash -285944674, now seen corresponding path program 1 times [2022-11-25 23:33:13,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:33:13,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690039083] [2022-11-25 23:33:13,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:33:13,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:33:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:33:15,114 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-25 23:33:15,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:33:15,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690039083] [2022-11-25 23:33:15,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690039083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:33:15,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:33:15,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:33:15,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794322424] [2022-11-25 23:33:15,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:33:15,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:33:15,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:33:15,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:33:15,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:33:15,195 INFO L87 Difference]: Start difference. First operand has 2100 states, 1184 states have (on average 1.304054054054054) internal successors, (1544), 1272 states have internal predecessors, (1544), 758 states have call successors, (758), 155 states have call predecessors, (758), 154 states have return successors, (751), 733 states have call predecessors, (751), 751 states have call successors, (751) Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 23:33:17,583 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 23:33:19,753 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 23:33:26,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:33:26,384 INFO L93 Difference]: Finished difference Result 5508 states and 8316 transitions. [2022-11-25 23:33:26,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:33:26,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2022-11-25 23:33:26,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:33:26,456 INFO L225 Difference]: With dead ends: 5508 [2022-11-25 23:33:26,456 INFO L226 Difference]: Without dead ends: 3414 [2022-11-25 23:33:26,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:33:26,494 INFO L413 NwaCegarLoop]: 3276 mSDtfsCounter, 2520 mSDsluCounter, 8617 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2536 SdHoareTripleChecker+Valid, 11893 SdHoareTripleChecker+Invalid, 1502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:33:26,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2536 Valid, 11893 Invalid, 1502 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1499 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2022-11-25 23:33:26,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3414 states. [2022-11-25 23:33:27,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3414 to 3407. [2022-11-25 23:33:27,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3407 states, 1903 states have (on average 1.2869153967419864) internal successors, (2449), 2039 states have internal predecessors, (2449), 1222 states have call successors, (1222), 280 states have call predecessors, (1222), 279 states have return successors, (1219), 1191 states have call predecessors, (1219), 1219 states have call successors, (1219) [2022-11-25 23:33:27,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 3407 states and 4890 transitions. [2022-11-25 23:33:27,087 INFO L78 Accepts]: Start accepts. Automaton has 3407 states and 4890 transitions. Word has length 37 [2022-11-25 23:33:27,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:33:27,088 INFO L495 AbstractCegarLoop]: Abstraction has 3407 states and 4890 transitions. [2022-11-25 23:33:27,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 23:33:27,089 INFO L276 IsEmpty]: Start isEmpty. Operand 3407 states and 4890 transitions. [2022-11-25 23:33:27,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-25 23:33:27,099 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:33:27,100 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:33:27,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:33:27,100 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:33:27,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:33:27,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1800038699, now seen corresponding path program 1 times [2022-11-25 23:33:27,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:33:27,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980926115] [2022-11-25 23:33:27,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:33:27,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:33:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:33:28,243 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-25 23:33:28,243 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:33:28,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980926115] [2022-11-25 23:33:28,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980926115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:33:28,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:33:28,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:33:28,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178586608] [2022-11-25 23:33:28,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:33:28,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:33:28,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:33:28,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:33:28,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:33:28,249 INFO L87 Difference]: Start difference. First operand 3407 states and 4890 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 23:33:30,506 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 23:33:32,685 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 23:33:40,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:33:40,423 INFO L93 Difference]: Finished difference Result 3420 states and 4901 transitions. [2022-11-25 23:33:40,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:33:40,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2022-11-25 23:33:40,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:33:40,453 INFO L225 Difference]: With dead ends: 3420 [2022-11-25 23:33:40,454 INFO L226 Difference]: Without dead ends: 3418 [2022-11-25 23:33:40,456 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 23:33:40,457 INFO L413 NwaCegarLoop]: 3260 mSDtfsCounter, 2499 mSDsluCounter, 8574 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2513 SdHoareTripleChecker+Valid, 11834 SdHoareTripleChecker+Invalid, 1502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:33:40,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2513 Valid, 11834 Invalid, 1502 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1499 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2022-11-25 23:33:40,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3418 states. [2022-11-25 23:33:40,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3418 to 3411. [2022-11-25 23:33:40,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3411 states, 1906 states have (on average 1.2864637985309548) internal successors, (2452), 2042 states have internal predecessors, (2452), 1222 states have call successors, (1222), 281 states have call predecessors, (1222), 280 states have return successors, (1219), 1191 states have call predecessors, (1219), 1219 states have call successors, (1219) [2022-11-25 23:33:40,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 3411 states and 4893 transitions. [2022-11-25 23:33:40,789 INFO L78 Accepts]: Start accepts. Automaton has 3411 states and 4893 transitions. Word has length 42 [2022-11-25 23:33:40,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:33:40,790 INFO L495 AbstractCegarLoop]: Abstraction has 3411 states and 4893 transitions. [2022-11-25 23:33:40,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 23:33:40,791 INFO L276 IsEmpty]: Start isEmpty. Operand 3411 states and 4893 transitions. [2022-11-25 23:33:40,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-25 23:33:40,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:33:40,799 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:33:40,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:33:40,800 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:33:40,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:33:40,802 INFO L85 PathProgramCache]: Analyzing trace with hash -250235202, now seen corresponding path program 1 times [2022-11-25 23:33:40,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:33:40,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805944322] [2022-11-25 23:33:40,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:33:40,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:33:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:33:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-25 23:33:42,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:33:42,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805944322] [2022-11-25 23:33:42,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805944322] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:33:42,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:33:42,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:33:42,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612178754] [2022-11-25 23:33:42,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:33:42,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:33:42,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:33:42,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:33:42,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:33:42,048 INFO L87 Difference]: Start difference. First operand 3411 states and 4893 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 23:33:44,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:33:46,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:33:52,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:33:52,374 INFO L93 Difference]: Finished difference Result 3424 states and 4904 transitions. [2022-11-25 23:33:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:33:52,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2022-11-25 23:33:52,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:33:52,398 INFO L225 Difference]: With dead ends: 3424 [2022-11-25 23:33:52,399 INFO L226 Difference]: Without dead ends: 3422 [2022-11-25 23:33:52,401 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 23:33:52,402 INFO L413 NwaCegarLoop]: 3260 mSDtfsCounter, 2499 mSDsluCounter, 8574 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2512 SdHoareTripleChecker+Valid, 11834 SdHoareTripleChecker+Invalid, 1502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:33:52,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2512 Valid, 11834 Invalid, 1502 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1499 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2022-11-25 23:33:52,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3422 states. [2022-11-25 23:33:52,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3422 to 3415. [2022-11-25 23:33:52,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3415 states, 1909 states have (on average 1.286013619696176) internal successors, (2455), 2045 states have internal predecessors, (2455), 1222 states have call successors, (1222), 282 states have call predecessors, (1222), 281 states have return successors, (1219), 1191 states have call predecessors, (1219), 1219 states have call successors, (1219) [2022-11-25 23:33:52,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3415 states to 3415 states and 4896 transitions. [2022-11-25 23:33:52,606 INFO L78 Accepts]: Start accepts. Automaton has 3415 states and 4896 transitions. Word has length 47 [2022-11-25 23:33:52,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:33:52,608 INFO L495 AbstractCegarLoop]: Abstraction has 3415 states and 4896 transitions. [2022-11-25 23:33:52,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 23:33:52,608 INFO L276 IsEmpty]: Start isEmpty. Operand 3415 states and 4896 transitions. [2022-11-25 23:33:52,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-25 23:33:52,609 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:33:52,610 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:33:52,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:33:52,611 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:33:52,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:33:52,611 INFO L85 PathProgramCache]: Analyzing trace with hash -995674059, now seen corresponding path program 1 times [2022-11-25 23:33:52,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:33:52,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499915949] [2022-11-25 23:33:52,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:33:52,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:33:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:33:53,354 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-25 23:33:53,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:33:53,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499915949] [2022-11-25 23:33:53,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499915949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:33:53,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:33:53,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:33:53,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429742390] [2022-11-25 23:33:53,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:33:53,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:33:53,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:33:53,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:33:53,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:33:53,358 INFO L87 Difference]: Start difference. First operand 3415 states and 4896 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:33:55,610 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 23:33:57,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:33:59,604 WARN L539 Checker$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 23:34:00,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:07,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:34:07,320 INFO L93 Difference]: Finished difference Result 3428 states and 4907 transitions. [2022-11-25 23:34:07,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:34:07,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 52 [2022-11-25 23:34:07,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:34:07,354 INFO L225 Difference]: With dead ends: 3428 [2022-11-25 23:34:07,355 INFO L226 Difference]: Without dead ends: 3426 [2022-11-25 23:34:07,358 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 23:34:07,360 INFO L413 NwaCegarLoop]: 3260 mSDtfsCounter, 2499 mSDsluCounter, 8574 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2511 SdHoareTripleChecker+Valid, 11834 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:34:07,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2511 Valid, 11834 Invalid, 1505 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1502 Invalid, 2 Unknown, 0 Unchecked, 13.6s Time] [2022-11-25 23:34:07,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3426 states. [2022-11-25 23:34:07,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3426 to 3419. [2022-11-25 23:34:07,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3419 states, 1912 states have (on average 1.2855648535564854) internal successors, (2458), 2048 states have internal predecessors, (2458), 1222 states have call successors, (1222), 283 states have call predecessors, (1222), 282 states have return successors, (1219), 1191 states have call predecessors, (1219), 1219 states have call successors, (1219) [2022-11-25 23:34:07,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 3419 states and 4899 transitions. [2022-11-25 23:34:07,703 INFO L78 Accepts]: Start accepts. Automaton has 3419 states and 4899 transitions. Word has length 52 [2022-11-25 23:34:07,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:34:07,704 INFO L495 AbstractCegarLoop]: Abstraction has 3419 states and 4899 transitions. [2022-11-25 23:34:07,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:34:07,704 INFO L276 IsEmpty]: Start isEmpty. Operand 3419 states and 4899 transitions. [2022-11-25 23:34:07,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-25 23:34:07,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:34:07,706 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:34:07,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:34:07,707 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 23:34:07,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:34:07,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1879843038, now seen corresponding path program 1 times [2022-11-25 23:34:07,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:34:07,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047748312] [2022-11-25 23:34:07,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:34:07,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:34:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:34:08,667 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-25 23:34:08,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:34:08,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047748312] [2022-11-25 23:34:08,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047748312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:34:08,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:34:08,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:34:08,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168424141] [2022-11-25 23:34:08,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:34:08,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:34:08,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:34:08,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:34:08,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:34:08,671 INFO L87 Difference]: Start difference. First operand 3419 states and 4899 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 23:34:10,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:12,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:14,456 WARN L539 Checker$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 23:34:16,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:23,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:34:23,489 INFO L93 Difference]: Finished difference Result 3455 states and 4930 transitions. [2022-11-25 23:34:23,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:34:23,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 57 [2022-11-25 23:34:23,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:34:23,519 INFO L225 Difference]: With dead ends: 3455 [2022-11-25 23:34:23,520 INFO L226 Difference]: Without dead ends: 3453 [2022-11-25 23:34:23,523 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 23:34:23,524 INFO L413 NwaCegarLoop]: 3241 mSDtfsCounter, 2552 mSDsluCounter, 8497 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2563 SdHoareTripleChecker+Valid, 11738 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:34:23,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2563 Valid, 11738 Invalid, 1479 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1475 Invalid, 3 Unknown, 0 Unchecked, 14.5s Time] [2022-11-25 23:34:23,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3453 states. [2022-11-25 23:34:23,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3453 to 3445. [2022-11-25 23:34:23,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3445 states, 1926 states have (on average 1.2834890965732086) internal successors, (2472), 2063 states have internal predecessors, (2472), 1226 states have call successors, (1226), 291 states have call predecessors, (1226), 290 states have return successors, (1223), 1194 states have call predecessors, (1223), 1223 states have call successors, (1223) [2022-11-25 23:34:23,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 3445 states and 4921 transitions. [2022-11-25 23:34:23,814 INFO L78 Accepts]: Start accepts. Automaton has 3445 states and 4921 transitions. Word has length 57 [2022-11-25 23:34:23,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:34:23,814 INFO L495 AbstractCegarLoop]: Abstraction has 3445 states and 4921 transitions. [2022-11-25 23:34:23,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 23:34:23,816 INFO L276 IsEmpty]: Start isEmpty. Operand 3445 states and 4921 transitions. [2022-11-25 23:34:23,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-25 23:34:23,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:34:23,821 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:34:23,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:34:23,822 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 23:34:23,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:34:23,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1432085588, now seen corresponding path program 1 times [2022-11-25 23:34:23,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:34:23,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709610914] [2022-11-25 23:34:23,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:34:23,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:34:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:34:24,747 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-25 23:34:24,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:34:24,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709610914] [2022-11-25 23:34:24,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709610914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:34:24,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:34:24,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:34:24,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39394117] [2022-11-25 23:34:24,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:34:24,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:34:24,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:34:24,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:34:24,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:34:24,752 INFO L87 Difference]: Start difference. First operand 3445 states and 4921 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 23:34:27,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:29,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:30,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:32,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:34,597 WARN L539 Checker$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 23:34:40,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:34:40,613 INFO L93 Difference]: Finished difference Result 3458 states and 4932 transitions. [2022-11-25 23:34:40,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:34:40,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 70 [2022-11-25 23:34:40,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:34:40,641 INFO L225 Difference]: With dead ends: 3458 [2022-11-25 23:34:40,642 INFO L226 Difference]: Without dead ends: 3456 [2022-11-25 23:34:40,645 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 23:34:40,646 INFO L413 NwaCegarLoop]: 3239 mSDtfsCounter, 2493 mSDsluCounter, 8532 mSDsCounter, 0 mSdLazyCounter, 1483 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2503 SdHoareTripleChecker+Valid, 11771 SdHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1483 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:34:40,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2503 Valid, 11771 Invalid, 1487 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1483 Invalid, 3 Unknown, 0 Unchecked, 15.6s Time] [2022-11-25 23:34:40,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3456 states. [2022-11-25 23:34:40,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3456 to 3449. [2022-11-25 23:34:40,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3449 states, 1929 states have (on average 1.2830482115085537) internal successors, (2475), 2066 states have internal predecessors, (2475), 1226 states have call successors, (1226), 292 states have call predecessors, (1226), 291 states have return successors, (1223), 1194 states have call predecessors, (1223), 1223 states have call successors, (1223) [2022-11-25 23:34:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3449 states to 3449 states and 4924 transitions. [2022-11-25 23:34:40,972 INFO L78 Accepts]: Start accepts. Automaton has 3449 states and 4924 transitions. Word has length 70 [2022-11-25 23:34:40,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:34:40,973 INFO L495 AbstractCegarLoop]: Abstraction has 3449 states and 4924 transitions. [2022-11-25 23:34:40,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 23:34:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 4924 transitions. [2022-11-25 23:34:40,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-25 23:34:40,975 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:34:40,975 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:34:40,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:34:40,976 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:34:40,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:34:40,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1534192898, now seen corresponding path program 1 times [2022-11-25 23:34:40,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:34:40,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423860218] [2022-11-25 23:34:40,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:34:40,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:34:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:34:41,806 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-25 23:34:41,806 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:34:41,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423860218] [2022-11-25 23:34:41,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423860218] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:34:41,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:34:41,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:34:41,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709245324] [2022-11-25 23:34:41,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:34:41,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:34:41,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:34:41,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:34:41,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:34:41,811 INFO L87 Difference]: Start difference. First operand 3449 states and 4924 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 23:34:43,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:46,110 WARN L539 Checker$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 23:34:48,269 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 23:34:57,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:34:57,038 INFO L93 Difference]: Finished difference Result 6237 states and 8874 transitions. [2022-11-25 23:34:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:34:57,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 67 [2022-11-25 23:34:57,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:34:57,092 INFO L225 Difference]: With dead ends: 6237 [2022-11-25 23:34:57,092 INFO L226 Difference]: Without dead ends: 6235 [2022-11-25 23:34:57,098 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 23:34:57,098 INFO L413 NwaCegarLoop]: 3973 mSDtfsCounter, 2544 mSDsluCounter, 10505 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2551 SdHoareTripleChecker+Valid, 14478 SdHoareTripleChecker+Invalid, 1920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:34:57,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2551 Valid, 14478 Invalid, 1920 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1915 Invalid, 2 Unknown, 0 Unchecked, 14.7s Time] [2022-11-25 23:34:57,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6235 states. [2022-11-25 23:34:57,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6235 to 6202. [2022-11-25 23:34:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6202 states, 3471 states have (on average 1.2768654566407376) internal successors, (4432), 3717 states have internal predecessors, (4432), 2189 states have call successors, (2189), 561 states have call predecessors, (2189), 539 states have return successors, (2217), 2105 states have call predecessors, (2217), 2183 states have call successors, (2217) [2022-11-25 23:34:57,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6202 states to 6202 states and 8838 transitions. [2022-11-25 23:34:57,775 INFO L78 Accepts]: Start accepts. Automaton has 6202 states and 8838 transitions. Word has length 67 [2022-11-25 23:34:57,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:34:57,775 INFO L495 AbstractCegarLoop]: Abstraction has 6202 states and 8838 transitions. [2022-11-25 23:34:57,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 23:34:57,776 INFO L276 IsEmpty]: Start isEmpty. Operand 6202 states and 8838 transitions. [2022-11-25 23:34:57,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-25 23:34:57,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:34:57,779 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:34:57,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:34:57,780 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 23:34:57,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:34:57,780 INFO L85 PathProgramCache]: Analyzing trace with hash -407706891, now seen corresponding path program 1 times [2022-11-25 23:34:57,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:34:57,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422808040] [2022-11-25 23:34:57,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:34:57,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:34:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:34:58,524 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-11-25 23:34:58,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:34:58,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422808040] [2022-11-25 23:34:58,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422808040] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:34:58,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:34:58,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:34:58,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963493842] [2022-11-25 23:34:58,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:34:58,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:34:58,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:34:58,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:34:58,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:34:58,528 INFO L87 Difference]: Start difference. First operand 6202 states and 8838 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 23:35:00,815 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 23:35:02,956 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 23:35:09,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:35:09,166 INFO L93 Difference]: Finished difference Result 6222 states and 8857 transitions. [2022-11-25 23:35:09,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:35:09,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 72 [2022-11-25 23:35:09,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:35:09,209 INFO L225 Difference]: With dead ends: 6222 [2022-11-25 23:35:09,210 INFO L226 Difference]: Without dead ends: 6220 [2022-11-25 23:35:09,215 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 23:35:09,216 INFO L413 NwaCegarLoop]: 3239 mSDtfsCounter, 2499 mSDsluCounter, 8532 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2507 SdHoareTripleChecker+Valid, 11771 SdHoareTripleChecker+Invalid, 1484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:35:09,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2507 Valid, 11771 Invalid, 1484 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1481 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2022-11-25 23:35:09,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6220 states. [2022-11-25 23:35:09,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6220 to 6216. [2022-11-25 23:35:09,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6216 states, 3481 states have (on average 1.2760700948003447) internal successors, (4442), 3729 states have internal predecessors, (4442), 2189 states have call successors, (2189), 563 states have call predecessors, (2189), 543 states have return successors, (2221), 2105 states have call predecessors, (2221), 2183 states have call successors, (2221) [2022-11-25 23:35:09,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6216 states to 6216 states and 8852 transitions. [2022-11-25 23:35:09,834 INFO L78 Accepts]: Start accepts. Automaton has 6216 states and 8852 transitions. Word has length 72 [2022-11-25 23:35:09,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:35:09,836 INFO L495 AbstractCegarLoop]: Abstraction has 6216 states and 8852 transitions. [2022-11-25 23:35:09,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 23:35:09,836 INFO L276 IsEmpty]: Start isEmpty. Operand 6216 states and 8852 transitions. [2022-11-25 23:35:09,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-25 23:35:09,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:35:09,838 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:35:09,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 23:35:09,839 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 23:35:09,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:35:09,840 INFO L85 PathProgramCache]: Analyzing trace with hash 2020361343, now seen corresponding path program 1 times [2022-11-25 23:35:09,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:35:09,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219981177] [2022-11-25 23:35:09,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:35:09,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:35:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:35:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-11-25 23:35:10,506 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:35:10,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219981177] [2022-11-25 23:35:10,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219981177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:35:10,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:35:10,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:35:10,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032836484] [2022-11-25 23:35:10,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:35:10,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:35:10,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:35:10,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:35:10,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:35:10,509 INFO L87 Difference]: Start difference. First operand 6216 states and 8852 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 23:35:12,748 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 23:35:14,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:16,826 WARN L539 Checker$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 23:35:18,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:23,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:28,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:35:28,161 INFO L93 Difference]: Finished difference Result 12087 states and 17318 transitions. [2022-11-25 23:35:28,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:35:28,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 85 [2022-11-25 23:35:28,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:35:28,227 INFO L225 Difference]: With dead ends: 12087 [2022-11-25 23:35:28,227 INFO L226 Difference]: Without dead ends: 12085 [2022-11-25 23:35:28,236 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 23:35:28,237 INFO L413 NwaCegarLoop]: 3673 mSDtfsCounter, 2834 mSDsluCounter, 9935 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2839 SdHoareTripleChecker+Valid, 13608 SdHoareTripleChecker+Invalid, 1711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:35:28,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2839 Valid, 13608 Invalid, 1711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1705 Invalid, 3 Unknown, 0 Unchecked, 17.0s Time] [2022-11-25 23:35:28,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12085 states. [2022-11-25 23:35:29,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12085 to 12073. [2022-11-25 23:35:29,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12073 states, 6789 states have (on average 1.2767712476064221) internal successors, (8668), 7272 states have internal predecessors, (8668), 4232 states have call successors, (4232), 1097 states have call predecessors, (4232), 1049 states have return successors, (4406), 4056 states have call predecessors, (4406), 4220 states have call successors, (4406) [2022-11-25 23:35:29,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12073 states to 12073 states and 17306 transitions. [2022-11-25 23:35:29,169 INFO L78 Accepts]: Start accepts. Automaton has 12073 states and 17306 transitions. Word has length 85 [2022-11-25 23:35:29,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:35:29,170 INFO L495 AbstractCegarLoop]: Abstraction has 12073 states and 17306 transitions. [2022-11-25 23:35:29,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 23:35:29,171 INFO L276 IsEmpty]: Start isEmpty. Operand 12073 states and 17306 transitions. [2022-11-25 23:35:29,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-25 23:35:29,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:35:29,178 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:35:29,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:35:29,179 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 23:35:29,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:35:29,179 INFO L85 PathProgramCache]: Analyzing trace with hash 677440597, now seen corresponding path program 1 times [2022-11-25 23:35:29,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:35:29,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9327720] [2022-11-25 23:35:29,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:35:29,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:35:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:35:29,852 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-25 23:35:29,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:35:29,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9327720] [2022-11-25 23:35:29,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9327720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:35:29,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:35:29,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:35:29,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591899835] [2022-11-25 23:35:29,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:35:29,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:35:29,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:35:29,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:35:29,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:35:29,855 INFO L87 Difference]: Start difference. First operand 12073 states and 17306 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 23:35:32,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:34,232 WARN L539 Checker$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 23:35:39,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:35:39,209 INFO L93 Difference]: Finished difference Result 12095 states and 17325 transitions. [2022-11-25 23:35:39,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:35:39,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 82 [2022-11-25 23:35:39,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:35:39,283 INFO L225 Difference]: With dead ends: 12095 [2022-11-25 23:35:39,283 INFO L226 Difference]: Without dead ends: 12093 [2022-11-25 23:35:39,294 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 23:35:39,294 INFO L413 NwaCegarLoop]: 3239 mSDtfsCounter, 2499 mSDsluCounter, 8532 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2505 SdHoareTripleChecker+Valid, 11771 SdHoareTripleChecker+Invalid, 1484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:35:39,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2505 Valid, 11771 Invalid, 1484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1481 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-11-25 23:35:39,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12093 states. [2022-11-25 23:35:40,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12093 to 12089. [2022-11-25 23:35:40,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12089 states, 6801 states have (on average 1.2762828995735922) internal successors, (8680), 7284 states have internal predecessors, (8680), 4232 states have call successors, (4232), 1101 states have call predecessors, (4232), 1053 states have return successors, (4406), 4056 states have call predecessors, (4406), 4220 states have call successors, (4406) [2022-11-25 23:35:40,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12089 states to 12089 states and 17318 transitions. [2022-11-25 23:35:40,408 INFO L78 Accepts]: Start accepts. Automaton has 12089 states and 17318 transitions. Word has length 82 [2022-11-25 23:35:40,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:35:40,409 INFO L495 AbstractCegarLoop]: Abstraction has 12089 states and 17318 transitions. [2022-11-25 23:35:40,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 23:35:40,409 INFO L276 IsEmpty]: Start isEmpty. Operand 12089 states and 17318 transitions. [2022-11-25 23:35:40,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-25 23:35:40,413 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:35:40,413 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:35:40,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 23:35:40,413 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 23:35:40,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:35:40,414 INFO L85 PathProgramCache]: Analyzing trace with hash -678654146, now seen corresponding path program 1 times [2022-11-25 23:35:40,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:35:40,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001935376] [2022-11-25 23:35:40,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:35:40,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:35:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:35:41,157 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-11-25 23:35:41,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:35:41,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001935376] [2022-11-25 23:35:41,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001935376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:35:41,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:35:41,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:35:41,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064361943] [2022-11-25 23:35:41,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:35:41,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:35:41,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:35:41,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:35:41,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:35:41,160 INFO L87 Difference]: Start difference. First operand 12089 states and 17318 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 23:35:43,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:45,083 WARN L539 Checker$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 23:35:47,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:49,217 WARN L539 Checker$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 23:35:55,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:35:55,531 INFO L93 Difference]: Finished difference Result 12119 states and 17351 transitions. [2022-11-25 23:35:55,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:35:55,533 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 87 [2022-11-25 23:35:55,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:35:55,592 INFO L225 Difference]: With dead ends: 12119 [2022-11-25 23:35:55,593 INFO L226 Difference]: Without dead ends: 12117 [2022-11-25 23:35:55,601 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 23:35:55,601 INFO L413 NwaCegarLoop]: 3241 mSDtfsCounter, 2552 mSDsluCounter, 8497 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2557 SdHoareTripleChecker+Valid, 11738 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:35:55,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2557 Valid, 11738 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1475 Invalid, 3 Unknown, 0 Unchecked, 13.6s Time] [2022-11-25 23:35:55,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12117 states. [2022-11-25 23:35:56,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12117 to 12113. [2022-11-25 23:35:56,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12113 states, 6819 states have (on average 1.2755536002346386) internal successors, (8698), 7302 states have internal predecessors, (8698), 4232 states have call successors, (4232), 1105 states have call predecessors, (4232), 1059 states have return successors, (4414), 4058 states have call predecessors, (4414), 4220 states have call successors, (4414) [2022-11-25 23:35:56,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12113 states to 12113 states and 17344 transitions. [2022-11-25 23:35:56,683 INFO L78 Accepts]: Start accepts. Automaton has 12113 states and 17344 transitions. Word has length 87 [2022-11-25 23:35:56,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:35:56,683 INFO L495 AbstractCegarLoop]: Abstraction has 12113 states and 17344 transitions. [2022-11-25 23:35:56,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 23:35:56,684 INFO L276 IsEmpty]: Start isEmpty. Operand 12113 states and 17344 transitions. [2022-11-25 23:35:56,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-25 23:35:56,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:35:56,687 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:35:56,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 23:35:56,687 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:35:56,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:35:56,688 INFO L85 PathProgramCache]: Analyzing trace with hash -849836839, now seen corresponding path program 1 times [2022-11-25 23:35:56,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:35:56,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272624805] [2022-11-25 23:35:56,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:35:56,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:35:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:35:57,230 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-25 23:35:57,230 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:35:57,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272624805] [2022-11-25 23:35:57,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272624805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:35:57,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:35:57,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:35:57,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710216640] [2022-11-25 23:35:57,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:35:57,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:35:57,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:35:57,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:35:57,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:35:57,233 INFO L87 Difference]: Start difference. First operand 12113 states and 17344 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-25 23:35:59,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:36:01,163 WARN L539 Checker$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 23:36:04,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:36:04,758 INFO L93 Difference]: Finished difference Result 23906 states and 34149 transitions. [2022-11-25 23:36:04,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:36:04,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 94 [2022-11-25 23:36:04,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:36:04,829 INFO L225 Difference]: With dead ends: 23906 [2022-11-25 23:36:04,829 INFO L226 Difference]: Without dead ends: 12101 [2022-11-25 23:36:04,900 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 23:36:04,901 INFO L413 NwaCegarLoop]: 3166 mSDtfsCounter, 2563 mSDsluCounter, 2036 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2564 SdHoareTripleChecker+Valid, 5202 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:36:04,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2564 Valid, 5202 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 664 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-11-25 23:36:04,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12101 states. [2022-11-25 23:36:05,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12101 to 12097. [2022-11-25 23:36:05,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12097 states, 6811 states have (on average 1.2752899721039495) internal successors, (8686), 7294 states have internal predecessors, (8686), 4224 states have call successors, (4224), 1105 states have call predecessors, (4224), 1059 states have return successors, (4386), 4050 states have call predecessors, (4386), 4212 states have call successors, (4386) [2022-11-25 23:36:05,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12097 states to 12097 states and 17296 transitions. [2022-11-25 23:36:06,006 INFO L78 Accepts]: Start accepts. Automaton has 12097 states and 17296 transitions. Word has length 94 [2022-11-25 23:36:06,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:36:06,007 INFO L495 AbstractCegarLoop]: Abstraction has 12097 states and 17296 transitions. [2022-11-25 23:36:06,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-25 23:36:06,007 INFO L276 IsEmpty]: Start isEmpty. Operand 12097 states and 17296 transitions. [2022-11-25 23:36:06,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-25 23:36:06,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:36:06,010 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:36:06,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 23:36:06,011 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 23:36:06,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:36:06,012 INFO L85 PathProgramCache]: Analyzing trace with hash -368284235, now seen corresponding path program 1 times [2022-11-25 23:36:06,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:36:06,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064372435] [2022-11-25 23:36:06,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:36:06,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:36:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:36:06,854 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-11-25 23:36:06,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:36:06,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064372435] [2022-11-25 23:36:06,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064372435] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:36:06,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:36:06,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:36:06,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557784286] [2022-11-25 23:36:06,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:36:06,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:36:06,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:36:06,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:36:06,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:36:06,857 INFO L87 Difference]: Start difference. First operand 12097 states and 17296 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 23:36:09,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:36:11,635 WARN L539 Checker$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 23:36:17,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:36:17,929 INFO L93 Difference]: Finished difference Result 12119 states and 17315 transitions. [2022-11-25 23:36:17,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:36:17,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 92 [2022-11-25 23:36:17,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:36:17,984 INFO L225 Difference]: With dead ends: 12119 [2022-11-25 23:36:17,984 INFO L226 Difference]: Without dead ends: 12117 [2022-11-25 23:36:17,990 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 23:36:17,991 INFO L413 NwaCegarLoop]: 3171 mSDtfsCounter, 2492 mSDsluCounter, 8396 mSDsCounter, 0 mSdLazyCounter, 1451 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2495 SdHoareTripleChecker+Valid, 11567 SdHoareTripleChecker+Invalid, 1454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1451 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:36:17,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2495 Valid, 11567 Invalid, 1454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1451 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2022-11-25 23:36:18,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12117 states. [2022-11-25 23:36:18,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12117 to 12113. [2022-11-25 23:36:18,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12113 states, 6823 states have (on average 1.2748058038985783) internal successors, (8698), 7306 states have internal predecessors, (8698), 4224 states have call successors, (4224), 1109 states have call predecessors, (4224), 1063 states have return successors, (4386), 4050 states have call predecessors, (4386), 4212 states have call successors, (4386) [2022-11-25 23:36:19,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12113 states to 12113 states and 17308 transitions. [2022-11-25 23:36:19,031 INFO L78 Accepts]: Start accepts. Automaton has 12113 states and 17308 transitions. Word has length 92 [2022-11-25 23:36:19,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:36:19,034 INFO L495 AbstractCegarLoop]: Abstraction has 12113 states and 17308 transitions. [2022-11-25 23:36:19,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 23:36:19,035 INFO L276 IsEmpty]: Start isEmpty. Operand 12113 states and 17308 transitions. [2022-11-25 23:36:19,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-25 23:36:19,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:36:19,038 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:36:19,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 23:36:19,039 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 23:36:19,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:36:19,039 INFO L85 PathProgramCache]: Analyzing trace with hash 771037534, now seen corresponding path program 1 times [2022-11-25 23:36:19,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:36:19,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172279090] [2022-11-25 23:36:19,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:36:19,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:36:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:36:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-25 23:36:19,831 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:36:19,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172279090] [2022-11-25 23:36:19,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172279090] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:36:19,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:36:19,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:36:19,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214421021] [2022-11-25 23:36:19,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:36:19,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:36:19,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:36:19,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:36:19,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:36:19,834 INFO L87 Difference]: Start difference. First operand 12113 states and 17308 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 23:36:23,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:36:25,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:36:27,108 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 23:36:33,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:36:33,146 INFO L93 Difference]: Finished difference Result 12135 states and 17327 transitions. [2022-11-25 23:36:33,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:36:33,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 97 [2022-11-25 23:36:33,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:36:33,204 INFO L225 Difference]: With dead ends: 12135 [2022-11-25 23:36:33,204 INFO L226 Difference]: Without dead ends: 12131 [2022-11-25 23:36:33,210 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 23:36:33,211 INFO L413 NwaCegarLoop]: 3167 mSDtfsCounter, 2545 mSDsluCounter, 8349 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2547 SdHoareTripleChecker+Valid, 11516 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:36:33,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2547 Valid, 11516 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1443 Invalid, 2 Unknown, 0 Unchecked, 12.4s Time] [2022-11-25 23:36:33,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12131 states. [2022-11-25 23:36:34,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12131 to 12127. [2022-11-25 23:36:34,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12127 states, 6834 states have (on average 1.2742171495463857) internal successors, (8708), 7316 states have internal predecessors, (8708), 4224 states have call successors, (4224), 1113 states have call predecessors, (4224), 1066 states have return successors, (4386), 4050 states have call predecessors, (4386), 4212 states have call successors, (4386) [2022-11-25 23:36:34,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12127 states to 12127 states and 17318 transitions. [2022-11-25 23:36:34,119 INFO L78 Accepts]: Start accepts. Automaton has 12127 states and 17318 transitions. Word has length 97 [2022-11-25 23:36:34,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:36:34,119 INFO L495 AbstractCegarLoop]: Abstraction has 12127 states and 17318 transitions. [2022-11-25 23:36:34,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 23:36:34,120 INFO L276 IsEmpty]: Start isEmpty. Operand 12127 states and 17318 transitions. [2022-11-25 23:36:34,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-25 23:36:34,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:36:34,123 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:36:34,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 23:36:34,124 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 23:36:34,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:36:34,124 INFO L85 PathProgramCache]: Analyzing trace with hash 138372885, now seen corresponding path program 1 times [2022-11-25 23:36:34,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:36:34,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146423362] [2022-11-25 23:36:34,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:36:34,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:36:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:36:34,865 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-11-25 23:36:34,865 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:36:34,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146423362] [2022-11-25 23:36:34,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146423362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:36:34,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:36:34,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:36:34,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50733359] [2022-11-25 23:36:34,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:36:34,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:36:34,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:36:34,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:36:34,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:36:34,867 INFO L87 Difference]: Start difference. First operand 12127 states and 17318 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 23:36:37,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:36:39,521 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 23:36:44,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:36:44,926 INFO L93 Difference]: Finished difference Result 15697 states and 22243 transitions. [2022-11-25 23:36:44,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:36:44,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 102 [2022-11-25 23:36:44,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:36:45,002 INFO L225 Difference]: With dead ends: 15697 [2022-11-25 23:36:45,003 INFO L226 Difference]: Without dead ends: 15527 [2022-11-25 23:36:45,013 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 23:36:45,014 INFO L413 NwaCegarLoop]: 3138 mSDtfsCounter, 2735 mSDsluCounter, 7964 mSDsCounter, 0 mSdLazyCounter, 1422 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2735 SdHoareTripleChecker+Valid, 11102 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1422 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:36:45,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2735 Valid, 11102 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1422 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2022-11-25 23:36:45,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15527 states. [2022-11-25 23:36:46,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15527 to 15504. [2022-11-25 23:36:46,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15504 states, 8755 states have (on average 1.2659051970302684) internal successors, (11083), 9333 states have internal predecessors, (11083), 5260 states have call successors, (5260), 1585 states have call predecessors, (5260), 1486 states have return successors, (5700), 4994 states have call predecessors, (5700), 5244 states have call successors, (5700) [2022-11-25 23:36:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15504 states to 15504 states and 22043 transitions. [2022-11-25 23:36:46,421 INFO L78 Accepts]: Start accepts. Automaton has 15504 states and 22043 transitions. Word has length 102 [2022-11-25 23:36:46,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:36:46,421 INFO L495 AbstractCegarLoop]: Abstraction has 15504 states and 22043 transitions. [2022-11-25 23:36:46,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 23:36:46,421 INFO L276 IsEmpty]: Start isEmpty. Operand 15504 states and 22043 transitions. [2022-11-25 23:36:46,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-25 23:36:46,423 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:36:46,424 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:36:46,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 23:36:46,424 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 23:36:46,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:36:46,425 INFO L85 PathProgramCache]: Analyzing trace with hash 637000168, now seen corresponding path program 1 times [2022-11-25 23:36:46,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:36:46,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139617879] [2022-11-25 23:36:46,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:36:46,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:36:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:36:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-25 23:36:47,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:36:47,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139617879] [2022-11-25 23:36:47,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139617879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:36:47,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:36:47,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:36:47,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026573234] [2022-11-25 23:36:47,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:36:47,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:36:47,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:36:47,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:36:47,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:36:47,978 INFO L87 Difference]: Start difference. First operand 15504 states and 22043 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 23:36:50,551 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 23:36:52,701 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 23:36:58,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:36:58,882 INFO L93 Difference]: Finished difference Result 15559 states and 22094 transitions. [2022-11-25 23:36:58,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:36:58,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 118 [2022-11-25 23:36:58,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:36:58,959 INFO L225 Difference]: With dead ends: 15559 [2022-11-25 23:36:58,959 INFO L226 Difference]: Without dead ends: 15557 [2022-11-25 23:36:58,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:36:58,970 INFO L413 NwaCegarLoop]: 3156 mSDtfsCounter, 2705 mSDsluCounter, 8018 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2708 SdHoareTripleChecker+Valid, 11174 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:36:58,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2708 Valid, 11174 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1428 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2022-11-25 23:36:58,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15557 states. [2022-11-25 23:37:00,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15557 to 15536. [2022-11-25 23:37:00,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15536 states, 8779 states have (on average 1.2651782663173483) internal successors, (11107), 9357 states have internal predecessors, (11107), 5260 states have call successors, (5260), 1593 states have call predecessors, (5260), 1494 states have return successors, (5700), 4994 states have call predecessors, (5700), 5244 states have call successors, (5700) [2022-11-25 23:37:00,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15536 states to 15536 states and 22067 transitions. [2022-11-25 23:37:00,328 INFO L78 Accepts]: Start accepts. Automaton has 15536 states and 22067 transitions. Word has length 118 [2022-11-25 23:37:00,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:00,329 INFO L495 AbstractCegarLoop]: Abstraction has 15536 states and 22067 transitions. [2022-11-25 23:37:00,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 23:37:00,329 INFO L276 IsEmpty]: Start isEmpty. Operand 15536 states and 22067 transitions. [2022-11-25 23:37:00,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-25 23:37:00,332 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:00,332 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:37:00,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 23:37:00,333 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:37:00,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:00,333 INFO L85 PathProgramCache]: Analyzing trace with hash -747635842, now seen corresponding path program 1 times [2022-11-25 23:37:00,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:00,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535828835] [2022-11-25 23:37:00,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:00,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:01,458 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-25 23:37:01,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:01,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535828835] [2022-11-25 23:37:01,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535828835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:37:01,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:37:01,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:37:01,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706803753] [2022-11-25 23:37:01,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:37:01,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:37:01,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:01,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:37:01,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:37:01,461 INFO L87 Difference]: Start difference. First operand 15536 states and 22067 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 23:37:03,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:37:05,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:37:07,072 WARN L539 Checker$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 23:37:09,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:37:11,459 WARN L539 Checker$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 23:37:17,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:17,987 INFO L93 Difference]: Finished difference Result 15979 states and 22589 transitions. [2022-11-25 23:37:17,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:37:17,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 146 [2022-11-25 23:37:17,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:18,046 INFO L225 Difference]: With dead ends: 15979 [2022-11-25 23:37:18,046 INFO L226 Difference]: Without dead ends: 15965 [2022-11-25 23:37:18,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:37:18,058 INFO L413 NwaCegarLoop]: 2978 mSDtfsCounter, 691 mSDsluCounter, 8341 mSDsCounter, 0 mSdLazyCounter, 1694 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 11319 SdHoareTripleChecker+Invalid, 1698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1694 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:18,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 11319 Invalid, 1698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1694 Invalid, 3 Unknown, 0 Unchecked, 15.3s Time] [2022-11-25 23:37:18,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15965 states. [2022-11-25 23:37:19,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15965 to 15949. [2022-11-25 23:37:19,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15949 states, 9013 states have (on average 1.2621768556529458) internal successors, (11376), 9595 states have internal predecessors, (11376), 5356 states have call successors, (5356), 1677 states have call predecessors, (5356), 1577 states have return successors, (5818), 5088 states have call predecessors, (5818), 5341 states have call successors, (5818) [2022-11-25 23:37:19,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15949 states to 15949 states and 22550 transitions. [2022-11-25 23:37:19,181 INFO L78 Accepts]: Start accepts. Automaton has 15949 states and 22550 transitions. Word has length 146 [2022-11-25 23:37:19,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:19,181 INFO L495 AbstractCegarLoop]: Abstraction has 15949 states and 22550 transitions. [2022-11-25 23:37:19,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 23:37:19,182 INFO L276 IsEmpty]: Start isEmpty. Operand 15949 states and 22550 transitions. [2022-11-25 23:37:19,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-25 23:37:19,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:19,185 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:37:19,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 23:37:19,186 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:37:19,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:19,186 INFO L85 PathProgramCache]: Analyzing trace with hash 383872415, now seen corresponding path program 1 times [2022-11-25 23:37:19,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:19,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604740493] [2022-11-25 23:37:19,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:19,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-25 23:37:20,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:20,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604740493] [2022-11-25 23:37:20,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604740493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:37:20,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:37:20,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:37:20,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482304470] [2022-11-25 23:37:20,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:37:20,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:37:20,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:20,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:37:20,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:37:20,647 INFO L87 Difference]: Start difference. First operand 15949 states and 22550 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 23:37:23,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:37:25,273 WARN L539 Checker$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 23:37:32,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:32,332 INFO L93 Difference]: Finished difference Result 19083 states and 26932 transitions. [2022-11-25 23:37:32,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:37:32,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 152 [2022-11-25 23:37:32,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:32,402 INFO L225 Difference]: With dead ends: 19083 [2022-11-25 23:37:32,402 INFO L226 Difference]: Without dead ends: 19081 [2022-11-25 23:37:32,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:37:32,411 INFO L413 NwaCegarLoop]: 3999 mSDtfsCounter, 2461 mSDsluCounter, 10559 mSDsCounter, 0 mSdLazyCounter, 1901 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2464 SdHoareTripleChecker+Valid, 14558 SdHoareTripleChecker+Invalid, 1906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1901 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:32,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2464 Valid, 14558 Invalid, 1906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1901 Invalid, 2 Unknown, 0 Unchecked, 10.3s Time] [2022-11-25 23:37:32,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19081 states. [2022-11-25 23:37:33,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19081 to 18941. [2022-11-25 23:37:33,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18941 states, 10710 states have (on average 1.2591036414565826) internal successors, (13485), 11398 states have internal predecessors, (13485), 6351 states have call successors, (6351), 2001 states have call predecessors, (6351), 1877 states have return successors, (6952), 6025 states have call predecessors, (6952), 6336 states have call successors, (6952) [2022-11-25 23:37:33,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18941 states to 18941 states and 26788 transitions. [2022-11-25 23:37:33,794 INFO L78 Accepts]: Start accepts. Automaton has 18941 states and 26788 transitions. Word has length 152 [2022-11-25 23:37:33,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:33,795 INFO L495 AbstractCegarLoop]: Abstraction has 18941 states and 26788 transitions. [2022-11-25 23:37:33,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 23:37:33,797 INFO L276 IsEmpty]: Start isEmpty. Operand 18941 states and 26788 transitions. [2022-11-25 23:37:33,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-25 23:37:33,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:33,802 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:37:33,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 23:37:33,803 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:37:33,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:33,806 INFO L85 PathProgramCache]: Analyzing trace with hash -693180425, now seen corresponding path program 1 times [2022-11-25 23:37:33,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:33,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233968447] [2022-11-25 23:37:33,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:33,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-11-25 23:37:35,480 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:35,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233968447] [2022-11-25 23:37:35,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233968447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:37:35,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:37:35,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:37:35,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854281051] [2022-11-25 23:37:35,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:37:35,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:37:35,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:35,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:37:35,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:37:35,483 INFO L87 Difference]: Start difference. First operand 18941 states and 26788 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 23:37:37,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:37:40,083 WARN L539 Checker$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 23:37:45,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:45,232 INFO L93 Difference]: Finished difference Result 18967 states and 26811 transitions. [2022-11-25 23:37:45,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:37:45,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 161 [2022-11-25 23:37:45,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:45,291 INFO L225 Difference]: With dead ends: 18967 [2022-11-25 23:37:45,291 INFO L226 Difference]: Without dead ends: 18965 [2022-11-25 23:37:45,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:37:45,302 INFO L413 NwaCegarLoop]: 2760 mSDtfsCounter, 2695 mSDsluCounter, 6126 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 8886 SdHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:45,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 8886 Invalid, 1232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1227 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2022-11-25 23:37:45,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18965 states. [2022-11-25 23:37:46,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18965 to 18949. [2022-11-25 23:37:46,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18949 states, 10716 states have (on average 1.2587719298245614) internal successors, (13489), 11404 states have internal predecessors, (13489), 6351 states have call successors, (6351), 2003 states have call predecessors, (6351), 1879 states have return successors, (6952), 6025 states have call predecessors, (6952), 6336 states have call successors, (6952) [2022-11-25 23:37:46,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18949 states to 18949 states and 26792 transitions. [2022-11-25 23:37:46,725 INFO L78 Accepts]: Start accepts. Automaton has 18949 states and 26792 transitions. Word has length 161 [2022-11-25 23:37:46,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:46,725 INFO L495 AbstractCegarLoop]: Abstraction has 18949 states and 26792 transitions. [2022-11-25 23:37:46,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 23:37:46,726 INFO L276 IsEmpty]: Start isEmpty. Operand 18949 states and 26792 transitions. [2022-11-25 23:37:46,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-11-25 23:37:46,731 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:46,731 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:37:46,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 23:37:46,732 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:37:46,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:46,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1735578439, now seen corresponding path program 1 times [2022-11-25 23:37:46,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:46,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750198519] [2022-11-25 23:37:46,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:46,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:47,700 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-11-25 23:37:47,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:47,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750198519] [2022-11-25 23:37:47,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750198519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:37:47,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:37:47,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:37:47,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360090552] [2022-11-25 23:37:47,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:37:47,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:37:47,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:47,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:37:47,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:37:47,703 INFO L87 Difference]: Start difference. First operand 18949 states and 26792 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 23:37:50,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:37:52,062 WARN L539 Checker$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 23:37:54,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:37:56,075 WARN L539 Checker$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 23:37:58,260 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 23:38:04,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:38:04,448 INFO L93 Difference]: Finished difference Result 21120 states and 29542 transitions. [2022-11-25 23:38:04,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:38:04,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 177 [2022-11-25 23:38:04,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:38:04,515 INFO L225 Difference]: With dead ends: 21120 [2022-11-25 23:38:04,515 INFO L226 Difference]: Without dead ends: 21118 [2022-11-25 23:38:04,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:38:04,527 INFO L413 NwaCegarLoop]: 3317 mSDtfsCounter, 1559 mSDsluCounter, 8991 mSDsCounter, 0 mSdLazyCounter, 1708 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1562 SdHoareTripleChecker+Valid, 12308 SdHoareTripleChecker+Invalid, 1713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1708 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:38:04,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1562 Valid, 12308 Invalid, 1713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1708 Invalid, 4 Unknown, 0 Unchecked, 15.3s Time] [2022-11-25 23:38:04,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21118 states. [2022-11-25 23:38:05,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21118 to 21100. [2022-11-25 23:38:05,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21100 states, 11852 states have (on average 1.2513499831252108) internal successors, (14831), 12600 states have internal predecessors, (14831), 7042 states have call successors, (7042), 2338 states have call predecessors, (7042), 2203 states have return successors, (7643), 6695 states have call predecessors, (7643), 7027 states have call successors, (7643) [2022-11-25 23:38:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21100 states to 21100 states and 29516 transitions. [2022-11-25 23:38:05,920 INFO L78 Accepts]: Start accepts. Automaton has 21100 states and 29516 transitions. Word has length 177 [2022-11-25 23:38:05,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:38:05,920 INFO L495 AbstractCegarLoop]: Abstraction has 21100 states and 29516 transitions. [2022-11-25 23:38:05,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 23:38:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 21100 states and 29516 transitions. [2022-11-25 23:38:05,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-25 23:38:05,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:05,930 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:38:05,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-25 23:38:05,931 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:38:05,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:05,932 INFO L85 PathProgramCache]: Analyzing trace with hash 326091484, now seen corresponding path program 1 times [2022-11-25 23:38:05,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:38:05,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94453964] [2022-11-25 23:38:05,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:05,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:38:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:07,734 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-11-25 23:38:07,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:38:07,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94453964] [2022-11-25 23:38:07,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94453964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:07,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:38:07,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:38:07,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406746711] [2022-11-25 23:38:07,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:07,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:38:07,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:38:07,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:38:07,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:38:07,737 INFO L87 Difference]: Start difference. First operand 21100 states and 29516 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-25 23:38:10,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:38:12,334 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 23:38:20,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:38:20,331 INFO L93 Difference]: Finished difference Result 21139 states and 29551 transitions. [2022-11-25 23:38:20,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:38:20,333 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 236 [2022-11-25 23:38:20,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:38:20,400 INFO L225 Difference]: With dead ends: 21139 [2022-11-25 23:38:20,400 INFO L226 Difference]: Without dead ends: 21137 [2022-11-25 23:38:20,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:38:20,417 INFO L413 NwaCegarLoop]: 3777 mSDtfsCounter, 2777 mSDsluCounter, 10145 mSDsCounter, 0 mSdLazyCounter, 1702 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2780 SdHoareTripleChecker+Valid, 13922 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1702 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:38:20,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2780 Valid, 13922 Invalid, 1707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1702 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2022-11-25 23:38:20,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21137 states. [2022-11-25 23:38:21,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21137 to 21120. [2022-11-25 23:38:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21120 states, 11867 states have (on average 1.2508637397825904) internal successors, (14844), 12615 states have internal predecessors, (14844), 7042 states have call successors, (7042), 2343 states have call predecessors, (7042), 2208 states have return successors, (7643), 6695 states have call predecessors, (7643), 7027 states have call successors, (7643) [2022-11-25 23:38:21,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21120 states to 21120 states and 29529 transitions. [2022-11-25 23:38:21,838 INFO L78 Accepts]: Start accepts. Automaton has 21120 states and 29529 transitions. Word has length 236 [2022-11-25 23:38:21,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:38:21,838 INFO L495 AbstractCegarLoop]: Abstraction has 21120 states and 29529 transitions. [2022-11-25 23:38:21,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-25 23:38:21,839 INFO L276 IsEmpty]: Start isEmpty. Operand 21120 states and 29529 transitions. [2022-11-25 23:38:21,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-11-25 23:38:21,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:21,850 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:38:21,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-25 23:38:21,850 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:38:21,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:21,851 INFO L85 PathProgramCache]: Analyzing trace with hash 129101396, now seen corresponding path program 1 times [2022-11-25 23:38:21,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:38:21,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754561409] [2022-11-25 23:38:21,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:21,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:38:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:22,502 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2022-11-25 23:38:22,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:38:22,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754561409] [2022-11-25 23:38:22,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754561409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:22,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:38:22,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:38:22,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637600087] [2022-11-25 23:38:22,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:22,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:38:22,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:38:22,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:38:22,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:38:22,506 INFO L87 Difference]: Start difference. First operand 21120 states and 29529 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2022-11-25 23:38:24,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:38:26,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:38:30,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:38:30,821 INFO L93 Difference]: Finished difference Result 42266 states and 59511 transitions. [2022-11-25 23:38:30,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:38:30,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 255 [2022-11-25 23:38:30,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:38:30,893 INFO L225 Difference]: With dead ends: 42266 [2022-11-25 23:38:30,893 INFO L226 Difference]: Without dead ends: 21162 [2022-11-25 23:38:31,001 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 23:38:31,002 INFO L413 NwaCegarLoop]: 2653 mSDtfsCounter, 1 mSDsluCounter, 2643 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 5296 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:38:31,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 5296 Invalid, 750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 749 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-11-25 23:38:31,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21162 states. [2022-11-25 23:38:32,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21162 to 21127. [2022-11-25 23:38:32,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21127 states, 11874 states have (on average 1.2507158497557689) internal successors, (14851), 12622 states have internal predecessors, (14851), 7042 states have call successors, (7042), 2343 states have call predecessors, (7042), 2208 states have return successors, (7643), 6695 states have call predecessors, (7643), 7027 states have call successors, (7643) [2022-11-25 23:38:32,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21127 states to 21127 states and 29536 transitions. [2022-11-25 23:38:32,793 INFO L78 Accepts]: Start accepts. Automaton has 21127 states and 29536 transitions. Word has length 255 [2022-11-25 23:38:32,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:38:32,794 INFO L495 AbstractCegarLoop]: Abstraction has 21127 states and 29536 transitions. [2022-11-25 23:38:32,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2022-11-25 23:38:32,794 INFO L276 IsEmpty]: Start isEmpty. Operand 21127 states and 29536 transitions. [2022-11-25 23:38:32,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-11-25 23:38:32,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:32,804 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:38:32,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-25 23:38:32,805 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:38:32,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:32,805 INFO L85 PathProgramCache]: Analyzing trace with hash 2045869004, now seen corresponding path program 1 times [2022-11-25 23:38:32,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:38:32,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838152713] [2022-11-25 23:38:32,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:32,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:38:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-11-25 23:38:34,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:38:34,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838152713] [2022-11-25 23:38:34,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838152713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:34,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:38:34,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 23:38:34,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125590290] [2022-11-25 23:38:34,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:34,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:38:34,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:38:34,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:38:34,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:38:34,725 INFO L87 Difference]: Start difference. First operand 21127 states and 29536 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (48), 4 states have call predecessors, (48), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-25 23:38:38,260 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 23:38:41,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:38:43,096 WARN L539 Checker$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 23:38:44,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:39:00,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:00,274 INFO L93 Difference]: Finished difference Result 21430 states and 29866 transitions. [2022-11-25 23:39:00,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 23:39:00,274 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (48), 4 states have call predecessors, (48), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 242 [2022-11-25 23:39:00,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:00,366 INFO L225 Difference]: With dead ends: 21430 [2022-11-25 23:39:00,366 INFO L226 Difference]: Without dead ends: 21428 [2022-11-25 23:39:00,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-25 23:39:00,378 INFO L413 NwaCegarLoop]: 1614 mSDtfsCounter, 3276 mSDsluCounter, 4150 mSDsCounter, 0 mSdLazyCounter, 10439 mSolverCounterSat, 2040 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3907 SdHoareTripleChecker+Valid, 5764 SdHoareTripleChecker+Invalid, 12481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2040 IncrementalHoareTripleChecker+Valid, 10439 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:00,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3907 Valid, 5764 Invalid, 12481 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2040 Valid, 10439 Invalid, 2 Unknown, 0 Unchecked, 23.4s Time] [2022-11-25 23:39:00,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21428 states. [2022-11-25 23:39:01,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21428 to 21419. [2022-11-25 23:39:01,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21419 states, 12023 states have (on average 1.2492722282292272) internal successors, (15020), 12783 states have internal predecessors, (15020), 7113 states have call successors, (7113), 2345 states have call predecessors, (7113), 2280 states have return successors, (7719), 6830 states have call predecessors, (7719), 7098 states have call successors, (7719) [2022-11-25 23:39:01,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21419 states to 21419 states and 29852 transitions. [2022-11-25 23:39:01,839 INFO L78 Accepts]: Start accepts. Automaton has 21419 states and 29852 transitions. Word has length 242 [2022-11-25 23:39:01,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:01,840 INFO L495 AbstractCegarLoop]: Abstraction has 21419 states and 29852 transitions. [2022-11-25 23:39:01,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (48), 4 states have call predecessors, (48), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-25 23:39:01,840 INFO L276 IsEmpty]: Start isEmpty. Operand 21419 states and 29852 transitions. [2022-11-25 23:39:01,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-11-25 23:39:01,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:01,852 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:39:01,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-25 23:39:01,852 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:39:01,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:01,853 INFO L85 PathProgramCache]: Analyzing trace with hash -309643232, now seen corresponding path program 1 times [2022-11-25 23:39:01,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:39:01,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327218208] [2022-11-25 23:39:01,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:01,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:39:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:02,393 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-11-25 23:39:02,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:39:02,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327218208] [2022-11-25 23:39:02,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327218208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:39:02,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:39:02,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:39:02,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131344693] [2022-11-25 23:39:02,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:39:02,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:39:02,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:39:02,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:39:02,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:39:02,396 INFO L87 Difference]: Start difference. First operand 21419 states and 29852 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 4 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) [2022-11-25 23:39:03,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:39:05,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:39:07,833 WARN L539 Checker$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 23:39:09,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:39:12,486 WARN L539 Checker$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 23:39:18,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:18,330 INFO L93 Difference]: Finished difference Result 43687 states and 61305 transitions. [2022-11-25 23:39:18,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:39:18,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 4 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) Word has length 254 [2022-11-25 23:39:18,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:18,437 INFO L225 Difference]: With dead ends: 43687 [2022-11-25 23:39:18,437 INFO L226 Difference]: Without dead ends: 22284 [2022-11-25 23:39:18,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:39:18,516 INFO L413 NwaCegarLoop]: 2640 mSDtfsCounter, 3174 mSDsluCounter, 5246 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 76 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3178 SdHoareTripleChecker+Valid, 7886 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:18,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3178 Valid, 7886 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1177 Invalid, 3 Unknown, 0 Unchecked, 13.9s Time] [2022-11-25 23:39:18,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22284 states. [2022-11-25 23:39:20,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22284 to 21766. [2022-11-25 23:39:20,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21766 states, 12254 states have (on average 1.2523257711767586) internal successors, (15346), 13042 states have internal predecessors, (15346), 7226 states have call successors, (7226), 2345 states have call predecessors, (7226), 2283 states have return successors, (7863), 6948 states have call predecessors, (7863), 7211 states have call successors, (7863) [2022-11-25 23:39:20,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21766 states to 21766 states and 30435 transitions. [2022-11-25 23:39:20,482 INFO L78 Accepts]: Start accepts. Automaton has 21766 states and 30435 transitions. Word has length 254 [2022-11-25 23:39:20,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:20,482 INFO L495 AbstractCegarLoop]: Abstraction has 21766 states and 30435 transitions. [2022-11-25 23:39:20,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 4 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) [2022-11-25 23:39:20,483 INFO L276 IsEmpty]: Start isEmpty. Operand 21766 states and 30435 transitions. [2022-11-25 23:39:20,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-11-25 23:39:20,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:20,497 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:39:20,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-25 23:39:20,498 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:39:20,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:20,498 INFO L85 PathProgramCache]: Analyzing trace with hash 503075367, now seen corresponding path program 1 times [2022-11-25 23:39:20,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:39:20,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038425278] [2022-11-25 23:39:20,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:20,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:39:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:21,224 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-11-25 23:39:21,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:39:21,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038425278] [2022-11-25 23:39:21,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038425278] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:39:21,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962719108] [2022-11-25 23:39:21,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:21,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:39:21,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:39:21,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:39:21,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d91ac708-56e7-4a73-ab9c-36f8fd0235d7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:39:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:23,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 6522 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:39:23,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:39:24,092 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 140 proven. 33 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-25 23:39:24,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:39:24,529 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-11-25 23:39:24,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962719108] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:39:24,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1761263943] [2022-11-25 23:39:24,561 INFO L159 IcfgInterpreter]: Started Sifa with 177 locations of interest [2022-11-25 23:39:24,561 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:39:24,568 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:39:24,579 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:39:24,579 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:41:29,849 WARN L233 SmtUtils]: Spent 5.97s on a formula simplification. DAG size of input: 7033 DAG size of output: 6836 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 23:41:44,859 WARN L233 SmtUtils]: Spent 5.98s on a formula simplification. DAG size of input: 7033 DAG size of output: 6836 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 23:44:46,022 WARN L233 SmtUtils]: Spent 5.59s on a formula simplification. DAG size of input: 7039 DAG size of output: 6842 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 23:45:01,409 WARN L233 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 7039 DAG size of output: 6842 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 23:46:03,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-25 23:46:03,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9