./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.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_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/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_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/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_ca9e4eb3-821c-4438-9647-342f13948858/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 75b1aed7e7cb1bec6496160634d456a50c33979e7f90c34d568c6a02281e03b1 --- 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 23:54:55,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:54:55,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:54:55,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:54:55,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:54:55,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:54:55,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:54:55,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:54:55,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:54:55,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:54:55,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:54:55,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:54:55,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:54:55,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:54:55,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:54:55,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:54:55,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:54:55,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:54:55,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:54:55,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:54:55,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:54:55,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:54:55,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:54:55,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:54:55,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:54:55,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:54:55,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:54:55,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:54:55,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:54:55,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:54:55,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:54:55,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:54:55,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:54:55,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:54:55,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:54:55,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:54:55,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:54:55,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:54:55,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:54:55,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:54:55,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:54:55,456 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:54:55,510 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:54:55,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:54:55,511 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:54:55,511 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:54:55,512 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:54:55,512 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:54:55,512 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:54:55,512 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:54:55,512 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:54:55,513 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:54:55,513 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:54:55,513 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:54:55,513 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:54:55,513 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:54:55,513 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:54:55,514 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:54:55,514 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:54:55,514 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:54:55,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:54:55,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:54:55,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:54:55,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:54:55,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:54:55,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:54:55,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:54:55,523 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:54:55,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:54:55,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:54:55,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:54:55,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:54:55,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:54:55,524 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:54:55,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:54:55,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:54:55,524 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:54:55,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:54:55,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:54:55,525 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:54:55,525 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_ca9e4eb3-821c-4438-9647-342f13948858/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75b1aed7e7cb1bec6496160634d456a50c33979e7f90c34d568c6a02281e03b1 [2022-11-25 23:54:55,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:54:55,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:54:55,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:54:55,799 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:54:55,800 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:54:55,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2022-11-25 23:54:58,827 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:54:59,548 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:54:59,548 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2022-11-25 23:54:59,601 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/data/1b2310a7e/58f2314bbdef49c5bf2e266f6d0aadcb/FLAGa2e12b0b3 [2022-11-25 23:54:59,619 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/data/1b2310a7e/58f2314bbdef49c5bf2e266f6d0aadcb [2022-11-25 23:54:59,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:54:59,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:54:59,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:54:59,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:54:59,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:54:59,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:54:59" (1/1) ... [2022-11-25 23:54:59,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770c0d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:59, skipping insertion in model container [2022-11-25 23:54:59,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:54:59" (1/1) ... [2022-11-25 23:54:59,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:54:59,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:55:00,737 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:55:00,759 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:55:00,884 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:00,941 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:55:00,947 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:55:00,948 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 23:55:00,957 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 23:55:00,969 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 23:55:00,981 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 23:55:01,020 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 23:55:01,029 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:55:01,033 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 23:55:01,071 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:55:01,149 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:55:01,151 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:55:01,171 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:55:01,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,203 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 23:55:01,264 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-25 23:55:01,270 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-11-25 23:55:01,373 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 23:55:01,432 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 23:55:01,527 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,530 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-25 23:55:01,575 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,578 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,579 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,584 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,593 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,594 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,594 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,595 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,596 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,596 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,602 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,604 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,605 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,607 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,610 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,614 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,614 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,619 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,620 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,621 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,622 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,629 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,635 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,635 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,636 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,637 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,637 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,638 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,639 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-11-25 23:55:01,640 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,641 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,642 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,642 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,664 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,666 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,667 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,667 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,668 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,669 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,670 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,670 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,672 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,672 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,673 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,674 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,690 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,691 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,692 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,698 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,699 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,700 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,701 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,702 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,702 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:01,707 WARN L623 FunctionHandler]: Unknown extern function PDE_DATA [2022-11-25 23:55:01,707 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-25 23:55:01,729 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,730 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,731 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:55:01,734 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:55:01,735 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:55:01,741 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:55:01,742 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:55:01,755 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,755 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,781 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,781 WARN L623 FunctionHandler]: Unknown extern function crc_ccitt [2022-11-25 23:55:01,782 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,794 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,794 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,796 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:55:01,797 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 23:55:01,797 WARN L623 FunctionHandler]: Unknown extern function netif_rx_ni [2022-11-25 23:55:01,806 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,807 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,835 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-11-25 23:55:01,835 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,841 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,855 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,856 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,856 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,858 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,859 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:55:01,860 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,860 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,862 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,862 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,873 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-11-25 23:55:01,873 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:55:01,874 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-11-25 23:55:01,874 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,875 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,877 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,878 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,879 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,887 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,888 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,895 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,901 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:55:01,902 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:55:01,902 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,902 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,918 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,918 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,926 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 23:55:01,926 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:55:01,927 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-11-25 23:55:01,932 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:55:01,937 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,938 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,943 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:55:01,944 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:55:01,945 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-11-25 23:55:01,946 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,946 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,953 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,958 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 23:55:01,959 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,960 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,961 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,961 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:55:01,962 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-11-25 23:55:01,962 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-11-25 23:55:01,963 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,963 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,964 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-11-25 23:55:01,964 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:55:01,969 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-11-25 23:55:01,970 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:55:01,970 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,970 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,977 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,977 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,978 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-11-25 23:55:01,978 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-11-25 23:55:01,983 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:55:01,984 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,984 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,985 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,985 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,986 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-11-25 23:55:01,986 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,987 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,987 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:55:01,988 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:55:01,988 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:55:01,989 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,989 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,990 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-11-25 23:55:01,990 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,990 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,991 WARN L623 FunctionHandler]: Unknown extern function proc_set_size [2022-11-25 23:55:01,991 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,991 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,992 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:55:01,992 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:55:01,992 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:55:01,997 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:01,998 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:01,998 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:55:01,999 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 23:55:01,999 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:55:01,999 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:02,000 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:02,005 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:02,005 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:02,006 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:55:02,006 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 23:55:02,007 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:55:02,007 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:02,008 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:02,008 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:55:02,008 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 23:55:02,009 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 23:55:02,009 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 23:55:02,009 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:55:02,010 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:55:02,015 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:02,015 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:02,016 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:55:02,016 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:55:02,016 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:02,017 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:02,017 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:55:02,018 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:02,018 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:02,018 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:55:02,019 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 23:55:02,019 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 23:55:02,019 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:55:02,024 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:02,025 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:02,026 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:02,026 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:02,028 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-11-25 23:55:02,029 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 23:55:02,034 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 23:55:02,246 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,246 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,246 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,247 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,247 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,247 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,248 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,248 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,248 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,249 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,249 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,253 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:55:02,259 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 23:55:02,259 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 23:55:02,260 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-25 23:55:02,263 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:55:02,263 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:55:02,297 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:55:02,301 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 23:55:02,312 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:55:02,313 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:55:02,313 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:55:02,316 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:55:02,316 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:55:02,317 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:55:02,319 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:55:02,320 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:55:02,320 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:55:02,321 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:55:02,322 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:55:02,322 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:55:02,323 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 23:55:02,324 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 23:55:02,374 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 23:55:02,374 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:55:02,391 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:02,953 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_ca9e4eb3-821c-4438-9647-342f13948858/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[347848,347861] [2022-11-25 23:55:02,957 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_ca9e4eb3-821c-4438-9647-342f13948858/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348017,348030] [2022-11-25 23:55:02,958 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_ca9e4eb3-821c-4438-9647-342f13948858/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348184,348197] [2022-11-25 23:55:02,959 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_ca9e4eb3-821c-4438-9647-342f13948858/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348352,348365] [2022-11-25 23:55:02,959 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,960 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,961 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,966 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,977 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,987 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,988 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:02,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:55:03,023 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:55:03,131 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:55:03,132 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:55:03,134 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,139 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:55:03,140 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:55:03,140 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 23:55:03,142 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 23:55:03,143 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 23:55:03,144 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 23:55:03,187 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 23:55:03,188 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:55:03,188 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 23:55:03,190 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:55:03,192 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:55:03,192 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:55:03,193 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:55:03,194 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,195 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 23:55:03,196 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-25 23:55:03,198 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-11-25 23:55:03,201 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 23:55:03,201 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 23:55:03,203 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,204 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-25 23:55:03,208 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,208 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,209 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,209 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,211 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,211 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,211 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,212 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,213 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,213 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,213 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,214 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,214 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,216 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,217 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,218 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,219 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,221 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,223 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,224 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,226 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,227 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,227 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,228 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,232 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,234 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,235 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,236 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,236 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,236 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,237 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,237 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-11-25 23:55:03,238 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,238 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,239 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,239 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,240 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,241 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,241 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,242 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,242 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,243 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,243 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,244 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,244 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,245 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,245 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,245 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,246 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,247 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,247 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,248 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,248 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,249 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,250 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,250 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,250 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:55:03,251 WARN L623 FunctionHandler]: Unknown extern function PDE_DATA [2022-11-25 23:55:03,251 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-25 23:55:03,254 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,254 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,255 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:55:03,256 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:55:03,256 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:55:03,257 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:55:03,258 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:55:03,259 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,259 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,263 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,264 WARN L623 FunctionHandler]: Unknown extern function crc_ccitt [2022-11-25 23:55:03,265 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,265 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,266 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,269 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:55:03,270 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 23:55:03,270 WARN L623 FunctionHandler]: Unknown extern function netif_rx_ni [2022-11-25 23:55:03,271 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,272 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,275 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-11-25 23:55:03,275 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,275 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,277 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,280 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,281 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,282 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,283 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,283 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:55:03,284 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,284 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,285 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,286 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,289 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-11-25 23:55:03,290 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:55:03,290 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-11-25 23:55:03,291 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,291 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,293 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,294 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,294 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,295 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,298 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,299 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,303 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:55:03,303 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:55:03,304 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,304 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,305 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,307 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,307 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,310 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 23:55:03,311 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:55:03,311 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-11-25 23:55:03,312 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:55:03,313 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,315 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:55:03,316 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:55:03,316 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-11-25 23:55:03,317 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,317 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,319 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,319 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,320 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 23:55:03,321 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,321 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,322 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,322 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,323 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:55:03,323 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-11-25 23:55:03,324 WARN L623 FunctionHandler]: Unknown extern function do_gettimeofday [2022-11-25 23:55:03,324 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,324 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,325 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-11-25 23:55:03,325 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:55:03,326 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-11-25 23:55:03,327 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:55:03,327 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,327 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,329 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,329 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,330 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-11-25 23:55:03,330 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-11-25 23:55:03,332 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:55:03,333 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,333 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,334 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,334 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,334 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-11-25 23:55:03,335 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,335 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:55:03,336 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:55:03,336 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:55:03,337 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,337 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,337 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-11-25 23:55:03,338 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,338 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,338 WARN L623 FunctionHandler]: Unknown extern function proc_set_size [2022-11-25 23:55:03,339 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,339 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,339 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:55:03,340 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:55:03,340 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:55:03,341 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,341 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,342 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:55:03,342 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 23:55:03,342 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:55:03,343 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,343 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,344 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,344 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,345 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:55:03,345 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 23:55:03,346 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:55:03,346 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,347 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,347 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:55:03,347 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 23:55:03,348 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 23:55:03,348 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 23:55:03,348 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:55:03,349 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:55:03,349 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,350 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,350 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:55:03,350 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:55:03,351 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,351 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,351 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:55:03,352 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,352 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,352 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:55:03,353 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 23:55:03,353 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 23:55:03,353 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:55:03,354 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,355 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,355 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:03,356 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:03,357 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-11-25 23:55:03,358 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 23:55:03,358 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 23:55:03,361 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,362 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,362 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,362 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,363 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,363 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,363 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,364 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,364 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,364 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,365 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,367 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:55:03,371 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 23:55:03,372 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 23:55:03,373 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-25 23:55:03,374 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:55:03,375 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:55:03,380 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:55:03,381 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 23:55:03,421 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:55:03,421 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:55:03,421 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:55:03,422 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:55:03,422 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:55:03,422 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:55:03,423 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:55:03,423 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:55:03,424 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:55:03,424 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:55:03,425 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:55:03,425 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:55:03,425 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 23:55:03,426 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 23:55:03,429 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 23:55:03,430 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:55:03,430 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:03,455 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_ca9e4eb3-821c-4438-9647-342f13948858/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[347848,347861] [2022-11-25 23:55:03,455 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_ca9e4eb3-821c-4438-9647-342f13948858/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348017,348030] [2022-11-25 23:55:03,456 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_ca9e4eb3-821c-4438-9647-342f13948858/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348184,348197] [2022-11-25 23:55:03,456 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_ca9e4eb3-821c-4438-9647-342f13948858/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348352,348365] [2022-11-25 23:55:03,457 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,457 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,460 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,461 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,463 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,465 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,465 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:55:03,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:55:03,642 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:55:03,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:03 WrapperNode [2022-11-25 23:55:03,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:55:03,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:55:03,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:55:03,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:55:03,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:03" (1/1) ... [2022-11-25 23:55:03,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:03" (1/1) ... [2022-11-25 23:55:03,985 INFO L138 Inliner]: procedures = 451, calls = 2361, calls flagged for inlining = 206, calls inlined = 184, statements flattened = 5317 [2022-11-25 23:55:03,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:55:03,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:55:03,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:55:03,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:55:03,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:03" (1/1) ... [2022-11-25 23:55:03,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:03" (1/1) ... [2022-11-25 23:55:04,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:03" (1/1) ... [2022-11-25 23:55:04,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:03" (1/1) ... [2022-11-25 23:55:04,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:03" (1/1) ... [2022-11-25 23:55:04,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:03" (1/1) ... [2022-11-25 23:55:04,303 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:03" (1/1) ... [2022-11-25 23:55:04,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:03" (1/1) ... [2022-11-25 23:55:04,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:55:04,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:55:04,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:55:04,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:55:04,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:03" (1/1) ... [2022-11-25 23:55:04,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:55:04,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:55:04,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:55:04,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:55:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-25 23:55:04,438 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-25 23:55:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 23:55:04,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 23:55:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 23:55:04,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 23:55:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 23:55:04,439 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 23:55:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_count [2022-11-25 23:55:04,440 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_count [2022-11-25 23:55:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:55:04,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:55:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_status [2022-11-25 23:55:04,440 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_status [2022-11-25 23:55:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-25 23:55:04,440 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-25 23:55:04,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-25 23:55:04,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-25 23:55:04,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 23:55:04,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 23:55:04,441 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ring_debug [2022-11-25 23:55:04,441 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ring_debug [2022-11-25 23:55:04,442 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 23:55:04,442 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 23:55:04,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-11-25 23:55:04,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-11-25 23:55:04,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-25 23:55:04,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-25 23:55:04,442 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_close [2022-11-25 23:55:04,443 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_close [2022-11-25 23:55:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_resume [2022-11-25 23:55:04,443 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_resume [2022-11-25 23:55:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-25 23:55:04,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-25 23:55:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 23:55:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 23:55:04,444 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-25 23:55:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-25 23:55:04,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 23:55:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 23:55:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_free_ring [2022-11-25 23:55:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_free_ring [2022-11-25 23:55:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-25 23:55:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-25 23:55:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:55:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-25 23:55:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-25 23:55:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-25 23:55:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-25 23:55:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 23:55:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 23:55:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_timeout [2022-11-25 23:55:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_timeout [2022-11-25 23:55:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 23:55:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 23:55:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 23:55:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_destroy_hwif [2022-11-25 23:55:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_destroy_hwif [2022-11-25 23:55:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 23:55:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 23:55:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 23:55:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 23:55:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 23:55:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_hw [2022-11-25 23:55:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_hw [2022-11-25 23:55:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:55:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 23:55:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 23:55:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_remove [2022-11-25 23:55:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_remove [2022-11-25 23:55:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 23:55:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 23:55:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 23:55:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 23:55:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-25 23:55:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-25 23:55:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_clear_regs [2022-11-25 23:55:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_clear_regs [2022-11-25 23:55:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 23:55:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 23:55:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-25 23:55:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-25 23:55:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_hw [2022-11-25 23:55:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_hw [2022-11-25 23:55:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-25 23:55:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-25 23:55:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 23:55:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 23:55:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure rd_activate [2022-11-25 23:55:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_activate [2022-11-25 23:55:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure rd_is_active [2022-11-25 23:55:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_is_active [2022-11-25 23:55:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 23:55:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 23:55:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:55:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 23:55:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 23:55:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_count [2022-11-25 23:55:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_count [2022-11-25 23:55:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-25 23:55:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-25 23:55:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:55:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 23:55:04,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 23:55:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 23:55:04,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 23:55:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:55:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 23:55:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_open [2022-11-25 23:55:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_open [2022-11-25 23:55:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:55:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:55:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vlsi_mod_exit_11_2 [2022-11-25 23:55:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vlsi_mod_exit_11_2 [2022-11-25 23:55:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-25 23:55:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-25 23:55:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-25 23:55:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-25 23:55:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 23:55:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 23:55:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 23:55:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 23:55:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_reg_debug [2022-11-25 23:55:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_reg_debug [2022-11-25 23:55:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_set_baud [2022-11-25 23:55:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_set_baud [2022-11-25 23:55:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:55:04,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:55:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 23:55:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:55:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 23:55:04,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 23:55:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 23:55:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 23:55:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-25 23:55:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-25 23:55:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-25 23:55:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-25 23:55:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_status [2022-11-25 23:55:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_status [2022-11-25 23:55:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 23:55:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 23:55:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-25 23:55:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-25 23:55:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:55:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:55:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 23:55:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 23:55:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure ring_get [2022-11-25 23:55:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_get [2022-11-25 23:55:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-25 23:55:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-25 23:55:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:55:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-25 23:55:04,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-25 23:55:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:55:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure ring_last [2022-11-25 23:55:04,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_last [2022-11-25 23:55:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure ring_put [2022-11-25 23:55:04,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_put [2022-11-25 23:55:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:55:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-25 23:55:04,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-25 23:55:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2022-11-25 23:55:04,467 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2022-11-25 23:55:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-25 23:55:04,468 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-25 23:55:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-25 23:55:04,468 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-25 23:55:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 23:55:04,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 23:55:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-25 23:55:04,469 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-25 23:55:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 23:55:04,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 23:55:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-25 23:55:04,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-25 23:55:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_addr_status [2022-11-25 23:55:04,470 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_addr_status [2022-11-25 23:55:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_addr [2022-11-25 23:55:04,470 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_addr [2022-11-25 23:55:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-25 23:55:04,471 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-25 23:55:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 23:55:04,471 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 23:55:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 23:55:04,471 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 23:55:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:55:04,472 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:55:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:55:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-25 23:55:04,472 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-25 23:55:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:55:04,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:55:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2022-11-25 23:55:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2022-11-25 23:55:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-25 23:55:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-25 23:55:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-25 23:55:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-25 23:55:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_tx [2022-11-25 23:55:04,474 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_tx [2022-11-25 23:55:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 23:55:04,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 23:55:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_alloc_ring [2022-11-25 23:55:04,474 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_alloc_ring [2022-11-25 23:55:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vlsi_irda_dev [2022-11-25 23:55:04,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vlsi_irda_dev [2022-11-25 23:55:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_fill_rx [2022-11-25 23:55:04,475 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_fill_rx [2022-11-25 23:55:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-25 23:55:04,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-25 23:55:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_rx [2022-11-25 23:55:04,475 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_rx [2022-11-25 23:55:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-25 23:55:04,475 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-25 23:55:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:55:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-11-25 23:55:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-11-25 23:55:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 23:55:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 23:55:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure ring_first [2022-11-25 23:55:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_first [2022-11-25 23:55:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-25 23:55:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-25 23:55:05,272 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:55:05,280 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:55:05,800 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 23:55:13,501 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 23:55:13,620 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:55:15,053 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:55:15,054 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 23:55:15,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:55:15 BoogieIcfgContainer [2022-11-25 23:55:15,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:55:15,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:55:15,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:55:15,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:55:15,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:54:59" (1/3) ... [2022-11-25 23:55:15,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28bc4720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:55:15, skipping insertion in model container [2022-11-25 23:55:15,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:03" (2/3) ... [2022-11-25 23:55:15,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28bc4720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:55:15, skipping insertion in model container [2022-11-25 23:55:15,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:55:15" (3/3) ... [2022-11-25 23:55:15,069 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2022-11-25 23:55:15,088 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:55:15,088 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-25 23:55:15,194 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:55:15,204 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;@d43446a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:55:15,204 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-25 23:55:15,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 1426 states, 808 states have (on average 1.271039603960396) internal successors, (1027), 834 states have internal predecessors, (1027), 512 states have call successors, (512), 104 states have call predecessors, (512), 103 states have return successors, (505), 502 states have call predecessors, (505), 505 states have call successors, (505) [2022-11-25 23:55:15,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-25 23:55:15,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:15,251 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:15,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === 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 23:55:15,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:15,258 INFO L85 PathProgramCache]: Analyzing trace with hash -553476624, now seen corresponding path program 1 times [2022-11-25 23:55:15,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:15,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682939498] [2022-11-25 23:55:15,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:15,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:16,166 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-11-25 23:55:16,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:16,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682939498] [2022-11-25 23:55:16,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682939498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:16,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:16,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:55:16,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435343552] [2022-11-25 23:55:16,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:16,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:55:16,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:16,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:55:16,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:16,211 INFO L87 Difference]: Start difference. First operand has 1426 states, 808 states have (on average 1.271039603960396) internal successors, (1027), 834 states have internal predecessors, (1027), 512 states have call successors, (512), 104 states have call predecessors, (512), 103 states have return successors, (505), 502 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 23:55:20,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:20,351 INFO L93 Difference]: Finished difference Result 4095 states and 5949 transitions. [2022-11-25 23:55:20,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:55:20,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 130 [2022-11-25 23:55:20,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:20,397 INFO L225 Difference]: With dead ends: 4095 [2022-11-25 23:55:20,397 INFO L226 Difference]: Without dead ends: 2676 [2022-11-25 23:55:20,415 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 23:55:20,418 INFO L413 NwaCegarLoop]: 2321 mSDtfsCounter, 1856 mSDsluCounter, 1729 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1856 SdHoareTripleChecker+Valid, 4050 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:20,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1856 Valid, 4050 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-25 23:55:20,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2022-11-25 23:55:20,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 2648. [2022-11-25 23:55:20,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2648 states, 1511 states have (on average 1.2653871608206486) internal successors, (1912), 1566 states have internal predecessors, (1912), 934 states have call successors, (934), 203 states have call predecessors, (934), 200 states have return successors, (937), 916 states have call predecessors, (937), 930 states have call successors, (937) [2022-11-25 23:55:20,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2648 states and 3783 transitions. [2022-11-25 23:55:20,733 INFO L78 Accepts]: Start accepts. Automaton has 2648 states and 3783 transitions. Word has length 130 [2022-11-25 23:55:20,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:20,735 INFO L495 AbstractCegarLoop]: Abstraction has 2648 states and 3783 transitions. [2022-11-25 23:55:20,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 23:55:20,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 3783 transitions. [2022-11-25 23:55:20,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-25 23:55:20,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:20,750 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:20,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:55:20,751 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 23:55:20,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:20,752 INFO L85 PathProgramCache]: Analyzing trace with hash -178951953, now seen corresponding path program 1 times [2022-11-25 23:55:20,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:20,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521879763] [2022-11-25 23:55:20,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:20,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:21,171 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-11-25 23:55:21,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:21,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521879763] [2022-11-25 23:55:21,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521879763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:21,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:21,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:55:21,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102910394] [2022-11-25 23:55:21,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:21,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:55:21,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:21,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:55:21,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:21,176 INFO L87 Difference]: Start difference. First operand 2648 states and 3783 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 23:55:25,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:25,937 INFO L93 Difference]: Finished difference Result 7768 states and 11078 transitions. [2022-11-25 23:55:25,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:55:25,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 131 [2022-11-25 23:55:25,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:25,984 INFO L225 Difference]: With dead ends: 7768 [2022-11-25 23:55:25,984 INFO L226 Difference]: Without dead ends: 5143 [2022-11-25 23:55:26,000 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 23:55:26,001 INFO L413 NwaCegarLoop]: 2215 mSDtfsCounter, 1902 mSDsluCounter, 1695 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 3910 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:26,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1902 Valid, 3910 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-25 23:55:26,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5143 states. [2022-11-25 23:55:26,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5143 to 5139. [2022-11-25 23:55:26,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5139 states, 2942 states have (on average 1.2607070020394289) internal successors, (3709), 3040 states have internal predecessors, (3709), 1797 states have call successors, (1797), 402 states have call predecessors, (1797), 397 states have return successors, (1807), 1768 states have call predecessors, (1807), 1793 states have call successors, (1807) [2022-11-25 23:55:26,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5139 states to 5139 states and 7313 transitions. [2022-11-25 23:55:26,413 INFO L78 Accepts]: Start accepts. Automaton has 5139 states and 7313 transitions. Word has length 131 [2022-11-25 23:55:26,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:26,416 INFO L495 AbstractCegarLoop]: Abstraction has 5139 states and 7313 transitions. [2022-11-25 23:55:26,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 23:55:26,417 INFO L276 IsEmpty]: Start isEmpty. Operand 5139 states and 7313 transitions. [2022-11-25 23:55:26,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-25 23:55:26,421 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:26,421 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:26,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:55:26,422 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:55:26,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:26,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1218555324, now seen corresponding path program 1 times [2022-11-25 23:55:26,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:26,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496629144] [2022-11-25 23:55:26,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:26,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:26,903 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-11-25 23:55:26,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:26,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496629144] [2022-11-25 23:55:26,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496629144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:26,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:26,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:55:26,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376159210] [2022-11-25 23:55:26,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:26,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:55:26,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:26,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:55:26,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:26,912 INFO L87 Difference]: Start difference. First operand 5139 states and 7313 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 23:55:32,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:32,491 INFO L93 Difference]: Finished difference Result 14867 states and 21069 transitions. [2022-11-25 23:55:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:55:32,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 135 [2022-11-25 23:55:32,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:32,566 INFO L225 Difference]: With dead ends: 14867 [2022-11-25 23:55:32,566 INFO L226 Difference]: Without dead ends: 9751 [2022-11-25 23:55:32,596 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 23:55:32,597 INFO L413 NwaCegarLoop]: 2199 mSDtfsCounter, 1784 mSDsluCounter, 1713 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1784 SdHoareTripleChecker+Valid, 3912 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:32,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1784 Valid, 3912 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-11-25 23:55:32,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9751 states. [2022-11-25 23:55:33,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9751 to 9719. [2022-11-25 23:55:33,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9719 states, 5570 states have (on average 1.2533213644524237) internal successors, (6981), 5744 states have internal predecessors, (6981), 3359 states have call successors, (3359), 796 states have call predecessors, (3359), 787 states have return successors, (3389), 3296 states have call predecessors, (3389), 3355 states have call successors, (3389) [2022-11-25 23:55:33,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9719 states to 9719 states and 13729 transitions. [2022-11-25 23:55:33,286 INFO L78 Accepts]: Start accepts. Automaton has 9719 states and 13729 transitions. Word has length 135 [2022-11-25 23:55:33,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:33,288 INFO L495 AbstractCegarLoop]: Abstraction has 9719 states and 13729 transitions. [2022-11-25 23:55:33,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 23:55:33,289 INFO L276 IsEmpty]: Start isEmpty. Operand 9719 states and 13729 transitions. [2022-11-25 23:55:33,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-25 23:55:33,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:33,295 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:55:33,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:55:33,296 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:55:33,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:33,296 INFO L85 PathProgramCache]: Analyzing trace with hash 236646052, now seen corresponding path program 1 times [2022-11-25 23:55:33,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:33,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790883222] [2022-11-25 23:55:33,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:33,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:33,683 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2022-11-25 23:55:33,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:33,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790883222] [2022-11-25 23:55:33,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790883222] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:33,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:33,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:55:33,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340980872] [2022-11-25 23:55:33,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:33,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:55:33,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:33,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:55:33,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:33,689 INFO L87 Difference]: Start difference. First operand 9719 states and 13729 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 23:55:38,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:38,520 INFO L93 Difference]: Finished difference Result 17435 states and 24602 transitions. [2022-11-25 23:55:38,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:55:38,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 162 [2022-11-25 23:55:38,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:38,573 INFO L225 Difference]: With dead ends: 17435 [2022-11-25 23:55:38,573 INFO L226 Difference]: Without dead ends: 7739 [2022-11-25 23:55:38,614 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 23:55:38,615 INFO L413 NwaCegarLoop]: 2446 mSDtfsCounter, 1258 mSDsluCounter, 1714 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1258 SdHoareTripleChecker+Valid, 4160 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:38,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1258 Valid, 4160 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-25 23:55:38,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7739 states. [2022-11-25 23:55:39,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7739 to 7707. [2022-11-25 23:55:39,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7707 states, 4447 states have (on average 1.257027209354621) internal successors, (5590), 4596 states have internal predecessors, (5590), 2594 states have call successors, (2594), 672 states have call predecessors, (2594), 663 states have return successors, (2607), 2534 states have call predecessors, (2607), 2590 states have call successors, (2607) [2022-11-25 23:55:39,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7707 states to 7707 states and 10791 transitions. [2022-11-25 23:55:39,147 INFO L78 Accepts]: Start accepts. Automaton has 7707 states and 10791 transitions. Word has length 162 [2022-11-25 23:55:39,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:39,149 INFO L495 AbstractCegarLoop]: Abstraction has 7707 states and 10791 transitions. [2022-11-25 23:55:39,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 23:55:39,149 INFO L276 IsEmpty]: Start isEmpty. Operand 7707 states and 10791 transitions. [2022-11-25 23:55:39,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-25 23:55:39,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:39,154 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 3, 3, 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] [2022-11-25 23:55:39,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:55:39,155 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 23:55:39,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:39,155 INFO L85 PathProgramCache]: Analyzing trace with hash 2052716221, now seen corresponding path program 1 times [2022-11-25 23:55:39,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:39,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109677787] [2022-11-25 23:55:39,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:39,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:39,846 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2022-11-25 23:55:39,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:39,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109677787] [2022-11-25 23:55:39,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109677787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:39,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:39,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:55:39,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615712517] [2022-11-25 23:55:39,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:39,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:55:39,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:39,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:55:39,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:55:39,850 INFO L87 Difference]: Start difference. First operand 7707 states and 10791 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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 23:55:45,499 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 23:55:46,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:46,609 INFO L93 Difference]: Finished difference Result 7713 states and 10796 transitions. [2022-11-25 23:55:46,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:55:46,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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 168 [2022-11-25 23:55:46,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:46,645 INFO L225 Difference]: With dead ends: 7713 [2022-11-25 23:55:46,645 INFO L226 Difference]: Without dead ends: 7711 [2022-11-25 23:55:46,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:55:46,651 INFO L413 NwaCegarLoop]: 1751 mSDtfsCounter, 1966 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 5239 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:46,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1978 Valid, 5239 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-25 23:55:46,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7711 states. [2022-11-25 23:55:47,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7711 to 7711. [2022-11-25 23:55:47,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7711 states, 4450 states have (on average 1.2568539325842696) internal successors, (5593), 4599 states have internal predecessors, (5593), 2594 states have call successors, (2594), 673 states have call predecessors, (2594), 664 states have return successors, (2607), 2534 states have call predecessors, (2607), 2590 states have call successors, (2607) [2022-11-25 23:55:47,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7711 states to 7711 states and 10794 transitions. [2022-11-25 23:55:47,057 INFO L78 Accepts]: Start accepts. Automaton has 7711 states and 10794 transitions. Word has length 168 [2022-11-25 23:55:47,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:47,058 INFO L495 AbstractCegarLoop]: Abstraction has 7711 states and 10794 transitions. [2022-11-25 23:55:47,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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 23:55:47,059 INFO L276 IsEmpty]: Start isEmpty. Operand 7711 states and 10794 transitions. [2022-11-25 23:55:47,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-25 23:55:47,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:47,062 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:55:47,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:55:47,063 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 23:55:47,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:47,064 INFO L85 PathProgramCache]: Analyzing trace with hash 74637810, now seen corresponding path program 1 times [2022-11-25 23:55:47,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:47,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766324198] [2022-11-25 23:55:47,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:47,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:47,646 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2022-11-25 23:55:47,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:47,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766324198] [2022-11-25 23:55:47,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766324198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:47,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:47,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:55:47,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118798004] [2022-11-25 23:55:47,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:47,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:55:47,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:47,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:55:47,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:55:47,649 INFO L87 Difference]: Start difference. First operand 7711 states and 10794 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 23:55:51,660 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 23:55:54,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:54,331 INFO L93 Difference]: Finished difference Result 7717 states and 10799 transitions. [2022-11-25 23:55:54,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:55:54,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 178 [2022-11-25 23:55:54,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:54,373 INFO L225 Difference]: With dead ends: 7717 [2022-11-25 23:55:54,373 INFO L226 Difference]: Without dead ends: 7715 [2022-11-25 23:55:54,379 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 23:55:54,381 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1960 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:54,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1971 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-25 23:55:54,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7715 states. [2022-11-25 23:55:54,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7715 to 7715. [2022-11-25 23:55:54,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7715 states, 4453 states have (on average 1.2566808892881203) internal successors, (5596), 4602 states have internal predecessors, (5596), 2594 states have call successors, (2594), 674 states have call predecessors, (2594), 665 states have return successors, (2607), 2534 states have call predecessors, (2607), 2590 states have call successors, (2607) [2022-11-25 23:55:54,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7715 states to 7715 states and 10797 transitions. [2022-11-25 23:55:54,994 INFO L78 Accepts]: Start accepts. Automaton has 7715 states and 10797 transitions. Word has length 178 [2022-11-25 23:55:54,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:54,995 INFO L495 AbstractCegarLoop]: Abstraction has 7715 states and 10797 transitions. [2022-11-25 23:55:54,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 23:55:54,995 INFO L276 IsEmpty]: Start isEmpty. Operand 7715 states and 10797 transitions. [2022-11-25 23:55:54,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-25 23:55:54,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:54,999 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 3, 3, 3, 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] [2022-11-25 23:55:54,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:55:55,000 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 23:55:55,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:55,001 INFO L85 PathProgramCache]: Analyzing trace with hash 2112843933, now seen corresponding path program 1 times [2022-11-25 23:55:55,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:55,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120795536] [2022-11-25 23:55:55,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:55,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2022-11-25 23:55:55,550 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:55,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120795536] [2022-11-25 23:55:55,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120795536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:55,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:55,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:55:55,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073720216] [2022-11-25 23:55:55,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:55,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:55:55,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:55,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:55:55,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:55:55,553 INFO L87 Difference]: Start difference. First operand 7715 states and 10797 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 23:56:01,749 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 23:56:02,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:56:02,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:56:02,993 INFO L93 Difference]: Finished difference Result 7721 states and 10802 transitions. [2022-11-25 23:56:02,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:56:02,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 178 [2022-11-25 23:56:02,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:56:03,032 INFO L225 Difference]: With dead ends: 7721 [2022-11-25 23:56:03,032 INFO L226 Difference]: Without dead ends: 7719 [2022-11-25 23:56:03,039 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 23:56:03,040 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1961 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:56:03,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1971 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-11-25 23:56:03,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7719 states. [2022-11-25 23:56:03,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7719 to 7719. [2022-11-25 23:56:03,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7719 states, 4456 states have (on average 1.256508078994614) internal successors, (5599), 4605 states have internal predecessors, (5599), 2594 states have call successors, (2594), 675 states have call predecessors, (2594), 666 states have return successors, (2607), 2534 states have call predecessors, (2607), 2590 states have call successors, (2607) [2022-11-25 23:56:03,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7719 states to 7719 states and 10800 transitions. [2022-11-25 23:56:03,652 INFO L78 Accepts]: Start accepts. Automaton has 7719 states and 10800 transitions. Word has length 178 [2022-11-25 23:56:03,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:56:03,653 INFO L495 AbstractCegarLoop]: Abstraction has 7719 states and 10800 transitions. [2022-11-25 23:56:03,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 23:56:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 7719 states and 10800 transitions. [2022-11-25 23:56:03,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-11-25 23:56:03,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:56:03,659 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:56:03,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:56:03,659 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 23:56:03,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:56:03,660 INFO L85 PathProgramCache]: Analyzing trace with hash 514880914, now seen corresponding path program 1 times [2022-11-25 23:56:03,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:56:03,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809548976] [2022-11-25 23:56:03,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:56:03,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:56:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:56:04,346 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2022-11-25 23:56:04,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:56:04,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809548976] [2022-11-25 23:56:04,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809548976] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:56:04,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:56:04,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:56:04,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511358614] [2022-11-25 23:56:04,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:56:04,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:56:04,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:56:04,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:56:04,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:56:04,351 INFO L87 Difference]: Start difference. First operand 7719 states and 10800 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 23:56:07,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:56:10,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:56:11,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:56:11,965 INFO L93 Difference]: Finished difference Result 7725 states and 10805 transitions. [2022-11-25 23:56:11,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:56:11,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 188 [2022-11-25 23:56:11,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:56:12,013 INFO L225 Difference]: With dead ends: 7725 [2022-11-25 23:56:12,014 INFO L226 Difference]: Without dead ends: 7723 [2022-11-25 23:56:12,021 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 23:56:12,022 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1960 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1969 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:56:12,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1969 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-11-25 23:56:12,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7723 states. [2022-11-25 23:56:12,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7723 to 7723. [2022-11-25 23:56:12,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7723 states, 4459 states have (on average 1.2563355012334605) internal successors, (5602), 4608 states have internal predecessors, (5602), 2594 states have call successors, (2594), 676 states have call predecessors, (2594), 667 states have return successors, (2607), 2534 states have call predecessors, (2607), 2590 states have call successors, (2607) [2022-11-25 23:56:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7723 states to 7723 states and 10803 transitions. [2022-11-25 23:56:12,877 INFO L78 Accepts]: Start accepts. Automaton has 7723 states and 10803 transitions. Word has length 188 [2022-11-25 23:56:12,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:56:12,878 INFO L495 AbstractCegarLoop]: Abstraction has 7723 states and 10803 transitions. [2022-11-25 23:56:12,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 23:56:12,878 INFO L276 IsEmpty]: Start isEmpty. Operand 7723 states and 10803 transitions. [2022-11-25 23:56:12,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-25 23:56:12,883 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:56:12,883 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 5, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:56:12,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 23:56:12,884 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 23:56:12,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:56:12,884 INFO L85 PathProgramCache]: Analyzing trace with hash -27390939, now seen corresponding path program 1 times [2022-11-25 23:56:12,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:56:12,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994847203] [2022-11-25 23:56:12,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:56:12,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:56:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:56:13,405 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2022-11-25 23:56:13,405 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:56:13,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994847203] [2022-11-25 23:56:13,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994847203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:56:13,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:56:13,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:56:13,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652024675] [2022-11-25 23:56:13,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:56:13,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:56:13,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:56:13,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:56:13,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:56:13,409 INFO L87 Difference]: Start difference. First operand 7723 states and 10803 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 23:56:19,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:56:19,827 INFO L93 Difference]: Finished difference Result 7729 states and 10808 transitions. [2022-11-25 23:56:19,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:56:19,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 193 [2022-11-25 23:56:19,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:56:19,868 INFO L225 Difference]: With dead ends: 7729 [2022-11-25 23:56:19,869 INFO L226 Difference]: Without dead ends: 7727 [2022-11-25 23:56:19,875 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 23:56:19,878 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1960 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:56:19,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1968 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-25 23:56:19,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7727 states. [2022-11-25 23:56:20,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7727 to 7727. [2022-11-25 23:56:20,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7727 states, 4462 states have (on average 1.2561631555356343) internal successors, (5605), 4611 states have internal predecessors, (5605), 2594 states have call successors, (2594), 677 states have call predecessors, (2594), 668 states have return successors, (2607), 2534 states have call predecessors, (2607), 2590 states have call successors, (2607) [2022-11-25 23:56:20,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7727 states to 7727 states and 10806 transitions. [2022-11-25 23:56:20,533 INFO L78 Accepts]: Start accepts. Automaton has 7727 states and 10806 transitions. Word has length 193 [2022-11-25 23:56:20,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:56:20,534 INFO L495 AbstractCegarLoop]: Abstraction has 7727 states and 10806 transitions. [2022-11-25 23:56:20,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 23:56:20,534 INFO L276 IsEmpty]: Start isEmpty. Operand 7727 states and 10806 transitions. [2022-11-25 23:56:20,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-11-25 23:56:20,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:56:20,539 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:56:20,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:56:20,540 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 23:56:20,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:56:20,541 INFO L85 PathProgramCache]: Analyzing trace with hash -606615177, now seen corresponding path program 1 times [2022-11-25 23:56:20,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:56:20,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780455758] [2022-11-25 23:56:20,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:56:20,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:56:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:56:21,069 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2022-11-25 23:56:21,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:56:21,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780455758] [2022-11-25 23:56:21,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780455758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:56:21,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:56:21,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:56:21,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465176105] [2022-11-25 23:56:21,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:56:21,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:56:21,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:56:21,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:56:21,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:56:21,073 INFO L87 Difference]: Start difference. First operand 7727 states and 10806 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 23:56:25,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:56:28,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:56:28,226 INFO L93 Difference]: Finished difference Result 7733 states and 10811 transitions. [2022-11-25 23:56:28,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:56:28,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 199 [2022-11-25 23:56:28,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:56:28,264 INFO L225 Difference]: With dead ends: 7733 [2022-11-25 23:56:28,264 INFO L226 Difference]: Without dead ends: 7731 [2022-11-25 23:56:28,271 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 23:56:28,271 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1960 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1967 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:56:28,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1967 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-11-25 23:56:28,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7731 states. [2022-11-25 23:56:28,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7731 to 7731. [2022-11-25 23:56:28,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7731 states, 4465 states have (on average 1.2559910414333706) internal successors, (5608), 4614 states have internal predecessors, (5608), 2594 states have call successors, (2594), 678 states have call predecessors, (2594), 669 states have return successors, (2607), 2534 states have call predecessors, (2607), 2590 states have call successors, (2607) [2022-11-25 23:56:28,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7731 states to 7731 states and 10809 transitions. [2022-11-25 23:56:28,961 INFO L78 Accepts]: Start accepts. Automaton has 7731 states and 10809 transitions. Word has length 199 [2022-11-25 23:56:28,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:56:28,962 INFO L495 AbstractCegarLoop]: Abstraction has 7731 states and 10809 transitions. [2022-11-25 23:56:28,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 23:56:28,963 INFO L276 IsEmpty]: Start isEmpty. Operand 7731 states and 10809 transitions. [2022-11-25 23:56:28,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-25 23:56:28,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:56:28,967 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 7, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:56:28,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 23:56:28,968 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 23:56:28,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:56:28,969 INFO L85 PathProgramCache]: Analyzing trace with hash -305337251, now seen corresponding path program 1 times [2022-11-25 23:56:28,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:56:28,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656841605] [2022-11-25 23:56:28,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:56:28,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:56:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:56:29,462 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2022-11-25 23:56:29,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:56:29,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656841605] [2022-11-25 23:56:29,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656841605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:56:29,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:56:29,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:56:29,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519805186] [2022-11-25 23:56:29,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:56:29,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:56:29,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:56:29,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:56:29,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:56:29,466 INFO L87 Difference]: Start difference. First operand 7731 states and 10809 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 23:56:35,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:56:35,374 INFO L93 Difference]: Finished difference Result 7737 states and 10814 transitions. [2022-11-25 23:56:35,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:56:35,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 198 [2022-11-25 23:56:35,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:56:35,406 INFO L225 Difference]: With dead ends: 7737 [2022-11-25 23:56:35,407 INFO L226 Difference]: Without dead ends: 7735 [2022-11-25 23:56:35,413 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 23:56:35,414 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1961 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1967 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:56:35,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1967 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-25 23:56:35,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7735 states. [2022-11-25 23:56:36,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7735 to 7735. [2022-11-25 23:56:36,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7735 states, 4468 states have (on average 1.2558191584601612) internal successors, (5611), 4617 states have internal predecessors, (5611), 2594 states have call successors, (2594), 679 states have call predecessors, (2594), 670 states have return successors, (2607), 2534 states have call predecessors, (2607), 2590 states have call successors, (2607) [2022-11-25 23:56:36,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7735 states to 7735 states and 10812 transitions. [2022-11-25 23:56:36,181 INFO L78 Accepts]: Start accepts. Automaton has 7735 states and 10812 transitions. Word has length 198 [2022-11-25 23:56:36,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:56:36,181 INFO L495 AbstractCegarLoop]: Abstraction has 7735 states and 10812 transitions. [2022-11-25 23:56:36,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 23:56:36,182 INFO L276 IsEmpty]: Start isEmpty. Operand 7735 states and 10812 transitions. [2022-11-25 23:56:36,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-25 23:56:36,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:56:36,187 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 8, 7, 7, 3, 3, 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] [2022-11-25 23:56:36,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 23:56:36,188 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:56:36,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:56:36,188 INFO L85 PathProgramCache]: Analyzing trace with hash -145071238, now seen corresponding path program 1 times [2022-11-25 23:56:36,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:56:36,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290228174] [2022-11-25 23:56:36,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:56:36,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:56:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:56:36,677 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-11-25 23:56:36,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:56:36,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290228174] [2022-11-25 23:56:36,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290228174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:56:36,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:56:36,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:56:36,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068508976] [2022-11-25 23:56:36,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:56:36,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:56:36,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:56:36,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:56:36,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:56:36,680 INFO L87 Difference]: Start difference. First operand 7735 states and 10812 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 23:56:43,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:56:43,064 INFO L93 Difference]: Finished difference Result 8726 states and 11990 transitions. [2022-11-25 23:56:43,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:56:43,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 203 [2022-11-25 23:56:43,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:56:43,106 INFO L225 Difference]: With dead ends: 8726 [2022-11-25 23:56:43,106 INFO L226 Difference]: Without dead ends: 8724 [2022-11-25 23:56:43,113 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 23:56:43,114 INFO L413 NwaCegarLoop]: 1964 mSDtfsCounter, 1725 mSDsluCounter, 4377 mSDsCounter, 0 mSdLazyCounter, 1005 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1730 SdHoareTripleChecker+Valid, 6341 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:56:43,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1730 Valid, 6341 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1005 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-25 23:56:43,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8724 states. [2022-11-25 23:56:43,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8724 to 8724. [2022-11-25 23:56:43,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8724 states, 5016 states have (on average 1.2509968102073366) internal successors, (6275), 5177 states have internal predecessors, (6275), 2850 states have call successors, (2850), 864 states have call predecessors, (2850), 855 states have return successors, (2863), 2790 states have call predecessors, (2863), 2846 states have call successors, (2863) [2022-11-25 23:56:43,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8724 states to 8724 states and 11988 transitions. [2022-11-25 23:56:43,865 INFO L78 Accepts]: Start accepts. Automaton has 8724 states and 11988 transitions. Word has length 203 [2022-11-25 23:56:43,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:56:43,865 INFO L495 AbstractCegarLoop]: Abstraction has 8724 states and 11988 transitions. [2022-11-25 23:56:43,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 23:56:43,866 INFO L276 IsEmpty]: Start isEmpty. Operand 8724 states and 11988 transitions. [2022-11-25 23:56:43,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-25 23:56:43,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:56:43,871 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 9, 8, 8, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:56:43,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 23:56:43,871 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 23:56:43,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:56:43,872 INFO L85 PathProgramCache]: Analyzing trace with hash 531223525, now seen corresponding path program 1 times [2022-11-25 23:56:43,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:56:43,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395277812] [2022-11-25 23:56:43,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:56:43,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:56:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:56:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2022-11-25 23:56:44,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:56:44,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395277812] [2022-11-25 23:56:44,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395277812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:56:44,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:56:44,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:56:44,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657731372] [2022-11-25 23:56:44,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:56:44,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:56:44,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:56:44,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:56:44,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:56:44,574 INFO L87 Difference]: Start difference. First operand 8724 states and 11988 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-25 23:56:51,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:56:51,174 INFO L93 Difference]: Finished difference Result 8730 states and 11993 transitions. [2022-11-25 23:56:51,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:56:51,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 213 [2022-11-25 23:56:51,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:56:51,211 INFO L225 Difference]: With dead ends: 8730 [2022-11-25 23:56:51,212 INFO L226 Difference]: Without dead ends: 8728 [2022-11-25 23:56:51,218 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 23:56:51,219 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1960 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1964 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:56:51,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1964 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-25 23:56:51,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8728 states. [2022-11-25 23:56:51,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8728 to 8728. [2022-11-25 23:56:51,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8728 states, 5019 states have (on average 1.2508467822275353) internal successors, (6278), 5180 states have internal predecessors, (6278), 2850 states have call successors, (2850), 865 states have call predecessors, (2850), 856 states have return successors, (2863), 2790 states have call predecessors, (2863), 2846 states have call successors, (2863) [2022-11-25 23:56:52,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8728 states to 8728 states and 11991 transitions. [2022-11-25 23:56:52,016 INFO L78 Accepts]: Start accepts. Automaton has 8728 states and 11991 transitions. Word has length 213 [2022-11-25 23:56:52,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:56:52,017 INFO L495 AbstractCegarLoop]: Abstraction has 8728 states and 11991 transitions. [2022-11-25 23:56:52,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-25 23:56:52,017 INFO L276 IsEmpty]: Start isEmpty. Operand 8728 states and 11991 transitions. [2022-11-25 23:56:52,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-25 23:56:52,021 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:56:52,022 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 10, 9, 9, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:56:52,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 23:56:52,022 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 23:56:52,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:56:52,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1881498679, now seen corresponding path program 1 times [2022-11-25 23:56:52,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:56:52,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573943532] [2022-11-25 23:56:52,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:56:52,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:56:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:56:52,568 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2022-11-25 23:56:52,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:56:52,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573943532] [2022-11-25 23:56:52,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573943532] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:56:52,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:56:52,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:56:52,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550567852] [2022-11-25 23:56:52,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:56:52,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:56:52,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:56:52,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:56:52,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:56:52,571 INFO L87 Difference]: Start difference. First operand 8728 states and 11991 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 23:56:57,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:56:57,312 INFO L93 Difference]: Finished difference Result 8734 states and 11996 transitions. [2022-11-25 23:56:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:56:57,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 219 [2022-11-25 23:56:57,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:56:57,336 INFO L225 Difference]: With dead ends: 8734 [2022-11-25 23:56:57,336 INFO L226 Difference]: Without dead ends: 8732 [2022-11-25 23:56:57,341 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 23:56:57,342 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1960 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1963 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:56:57,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1963 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-25 23:56:57,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8732 states. [2022-11-25 23:56:57,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8732 to 8732. [2022-11-25 23:56:57,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8732 states, 5022 states have (on average 1.2506969334926323) internal successors, (6281), 5183 states have internal predecessors, (6281), 2850 states have call successors, (2850), 866 states have call predecessors, (2850), 857 states have return successors, (2863), 2790 states have call predecessors, (2863), 2846 states have call successors, (2863) [2022-11-25 23:56:57,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8732 states to 8732 states and 11994 transitions. [2022-11-25 23:56:57,971 INFO L78 Accepts]: Start accepts. Automaton has 8732 states and 11994 transitions. Word has length 219 [2022-11-25 23:56:57,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:56:57,972 INFO L495 AbstractCegarLoop]: Abstraction has 8732 states and 11994 transitions. [2022-11-25 23:56:57,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 23:56:57,972 INFO L276 IsEmpty]: Start isEmpty. Operand 8732 states and 11994 transitions. [2022-11-25 23:56:57,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-25 23:56:57,977 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:56:57,977 INFO L195 NwaCegarLoop]: trace histogram [14, 11, 11, 11, 11, 11, 11, 11, 10, 10, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:56:57,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 23:56:57,978 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 23:56:57,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:56:57,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1213316037, now seen corresponding path program 1 times [2022-11-25 23:56:57,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:56:57,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342603129] [2022-11-25 23:56:57,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:56:57,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:56:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:56:58,497 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2022-11-25 23:56:58,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:56:58,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342603129] [2022-11-25 23:56:58,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342603129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:56:58,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:56:58,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:56:58,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558325961] [2022-11-25 23:56:58,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:56:58,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:56:58,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:56:58,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:56:58,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:56:58,501 INFO L87 Difference]: Start difference. First operand 8732 states and 11994 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 23:57:04,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:57:05,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:57:05,413 INFO L93 Difference]: Finished difference Result 8738 states and 11999 transitions. [2022-11-25 23:57:05,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:57:05,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 223 [2022-11-25 23:57:05,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:57:05,434 INFO L225 Difference]: With dead ends: 8738 [2022-11-25 23:57:05,434 INFO L226 Difference]: Without dead ends: 8736 [2022-11-25 23:57:05,438 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 23:57:05,438 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1960 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1962 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:57:05,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1962 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-25 23:57:05,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8736 states. [2022-11-25 23:57:06,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8736 to 8736. [2022-11-25 23:57:06,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8736 states, 5025 states have (on average 1.250547263681592) internal successors, (6284), 5186 states have internal predecessors, (6284), 2850 states have call successors, (2850), 867 states have call predecessors, (2850), 858 states have return successors, (2863), 2790 states have call predecessors, (2863), 2846 states have call successors, (2863) [2022-11-25 23:57:06,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8736 states to 8736 states and 11997 transitions. [2022-11-25 23:57:06,117 INFO L78 Accepts]: Start accepts. Automaton has 8736 states and 11997 transitions. Word has length 223 [2022-11-25 23:57:06,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:57:06,118 INFO L495 AbstractCegarLoop]: Abstraction has 8736 states and 11997 transitions. [2022-11-25 23:57:06,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 23:57:06,118 INFO L276 IsEmpty]: Start isEmpty. Operand 8736 states and 11997 transitions. [2022-11-25 23:57:06,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-25 23:57:06,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:57:06,124 INFO L195 NwaCegarLoop]: trace histogram [14, 12, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 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] [2022-11-25 23:57:06,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 23:57:06,124 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:57:06,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:57:06,125 INFO L85 PathProgramCache]: Analyzing trace with hash -961986886, now seen corresponding path program 1 times [2022-11-25 23:57:06,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:57:06,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217549534] [2022-11-25 23:57:06,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:57:06,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:57:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:57:06,622 INFO L134 CoverageAnalysis]: Checked inductivity of 772 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2022-11-25 23:57:06,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:57:06,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217549534] [2022-11-25 23:57:06,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217549534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:57:06,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:57:06,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:57:06,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070321651] [2022-11-25 23:57:06,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:57:06,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:57:06,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:57:06,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:57:06,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:57:06,628 INFO L87 Difference]: Start difference. First operand 8736 states and 11997 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 23:57:10,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:57:13,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:57:13,606 INFO L93 Difference]: Finished difference Result 8742 states and 12002 transitions. [2022-11-25 23:57:13,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:57:13,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 223 [2022-11-25 23:57:13,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:57:13,638 INFO L225 Difference]: With dead ends: 8742 [2022-11-25 23:57:13,638 INFO L226 Difference]: Without dead ends: 8738 [2022-11-25 23:57:13,643 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 23:57:13,644 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1961 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1962 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:57:13,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1962 Valid, 5242 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-11-25 23:57:13,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8738 states. [2022-11-25 23:57:14,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8738 to 8738. [2022-11-25 23:57:14,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8738 states, 5027 states have (on average 1.2502486572508453) internal successors, (6285), 5187 states have internal predecessors, (6285), 2850 states have call successors, (2850), 868 states have call predecessors, (2850), 858 states have return successors, (2863), 2790 states have call predecessors, (2863), 2846 states have call successors, (2863) [2022-11-25 23:57:14,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8738 states to 8738 states and 11998 transitions. [2022-11-25 23:57:14,515 INFO L78 Accepts]: Start accepts. Automaton has 8738 states and 11998 transitions. Word has length 223 [2022-11-25 23:57:14,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:57:14,516 INFO L495 AbstractCegarLoop]: Abstraction has 8738 states and 11998 transitions. [2022-11-25 23:57:14,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 23:57:14,516 INFO L276 IsEmpty]: Start isEmpty. Operand 8738 states and 11998 transitions. [2022-11-25 23:57:14,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-11-25 23:57:14,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:57:14,521 INFO L195 NwaCegarLoop]: trace histogram [16, 12, 12, 12, 12, 12, 12, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:57:14,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 23:57:14,522 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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 23:57:14,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:57:14,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1574555874, now seen corresponding path program 1 times [2022-11-25 23:57:14,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:57:14,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159526015] [2022-11-25 23:57:14,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:57:14,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:57:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:57:14,843 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2022-11-25 23:57:14,843 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:57:14,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159526015] [2022-11-25 23:57:14,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159526015] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:57:14,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:57:14,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:57:14,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71129747] [2022-11-25 23:57:14,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:57:14,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:57:14,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:57:14,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:57:14,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:57:14,846 INFO L87 Difference]: Start difference. First operand 8738 states and 11998 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 23:57:18,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:57:20,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:57:20,167 INFO L93 Difference]: Finished difference Result 17398 states and 23915 transitions. [2022-11-25 23:57:20,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:57:20,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 224 [2022-11-25 23:57:20,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:57:20,191 INFO L225 Difference]: With dead ends: 17398 [2022-11-25 23:57:20,191 INFO L226 Difference]: Without dead ends: 8810 [2022-11-25 23:57:20,217 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 23:57:20,217 INFO L413 NwaCegarLoop]: 1750 mSDtfsCounter, 12 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3496 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:57:20,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3496 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-25 23:57:20,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8810 states. [2022-11-25 23:57:20,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8810 to 8746. [2022-11-25 23:57:20,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8746 states, 5035 states have (on average 1.2498510427010923) internal successors, (6293), 5195 states have internal predecessors, (6293), 2850 states have call successors, (2850), 868 states have call predecessors, (2850), 858 states have return successors, (2863), 2790 states have call predecessors, (2863), 2846 states have call successors, (2863) [2022-11-25 23:57:20,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8746 states to 8746 states and 12006 transitions. [2022-11-25 23:57:20,849 INFO L78 Accepts]: Start accepts. Automaton has 8746 states and 12006 transitions. Word has length 224 [2022-11-25 23:57:20,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:57:20,850 INFO L495 AbstractCegarLoop]: Abstraction has 8746 states and 12006 transitions. [2022-11-25 23:57:20,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 23:57:20,850 INFO L276 IsEmpty]: Start isEmpty. Operand 8746 states and 12006 transitions. [2022-11-25 23:57:20,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-25 23:57:20,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:57:20,855 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 12, 12, 11, 11, 11, 11, 11, 11, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:57:20,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 23:57:20,856 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 23:57:20,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:57:20,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1665002176, now seen corresponding path program 1 times [2022-11-25 23:57:20,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:57:20,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749402477] [2022-11-25 23:57:20,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:57:20,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:57:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:57:21,337 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2022-11-25 23:57:21,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:57:21,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749402477] [2022-11-25 23:57:21,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749402477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:57:21,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:57:21,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:57:21,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059458099] [2022-11-25 23:57:21,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:57:21,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:57:21,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:57:21,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:57:21,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:57:21,340 INFO L87 Difference]: Start difference. First operand 8746 states and 12006 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-25 23:57:26,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:57:26,728 INFO L93 Difference]: Finished difference Result 8746 states and 12006 transitions. [2022-11-25 23:57:26,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:57:26,729 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 234 [2022-11-25 23:57:26,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:57:26,749 INFO L225 Difference]: With dead ends: 8746 [2022-11-25 23:57:26,750 INFO L226 Difference]: Without dead ends: 8594 [2022-11-25 23:57:26,753 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 23:57:26,754 INFO L413 NwaCegarLoop]: 1752 mSDtfsCounter, 1956 mSDsluCounter, 3487 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1956 SdHoareTripleChecker+Valid, 5239 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:57:26,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1956 Valid, 5239 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-25 23:57:26,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8594 states. [2022-11-25 23:57:27,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8594 to 8594. [2022-11-25 23:57:27,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8594 states, 4972 states have (on average 1.247385358004827) internal successors, (6202), 5104 states have internal predecessors, (6202), 2782 states have call successors, (2782), 842 states have call predecessors, (2782), 838 states have return successors, (2799), 2751 states have call predecessors, (2799), 2782 states have call successors, (2799) [2022-11-25 23:57:27,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8594 states to 8594 states and 11783 transitions. [2022-11-25 23:57:27,497 INFO L78 Accepts]: Start accepts. Automaton has 8594 states and 11783 transitions. Word has length 234 [2022-11-25 23:57:27,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:57:27,498 INFO L495 AbstractCegarLoop]: Abstraction has 8594 states and 11783 transitions. [2022-11-25 23:57:27,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-25 23:57:27,498 INFO L276 IsEmpty]: Start isEmpty. Operand 8594 states and 11783 transitions. [2022-11-25 23:57:27,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-11-25 23:57:27,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:57:27,502 INFO L195 NwaCegarLoop]: trace histogram [16, 12, 12, 12, 12, 12, 12, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:57:27,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 23:57:27,503 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 23:57:27,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:57:27,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1823833982, now seen corresponding path program 1 times [2022-11-25 23:57:27,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:57:27,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566738180] [2022-11-25 23:57:27,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:57:27,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:57:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:57:27,861 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2022-11-25 23:57:27,861 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:57:27,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566738180] [2022-11-25 23:57:27,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566738180] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:57:27,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446989281] [2022-11-25 23:57:27,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:57:27,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:57:27,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:57:27,866 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:57:27,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:57:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:57:29,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 3818 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:57:29,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:57:29,234 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2022-11-25 23:57:29,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:57:29,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446989281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:57:29,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:57:29,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-25 23:57:29,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574358041] [2022-11-25 23:57:29,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:57:29,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:57:29,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:57:29,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:57:29,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:57:29,237 INFO L87 Difference]: Start difference. First operand 8594 states and 11783 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-25 23:57:35,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:57:35,501 INFO L93 Difference]: Finished difference Result 19881 states and 27241 transitions. [2022-11-25 23:57:35,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:57:35,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 227 [2022-11-25 23:57:35,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:57:35,536 INFO L225 Difference]: With dead ends: 19881 [2022-11-25 23:57:35,536 INFO L226 Difference]: Without dead ends: 11437 [2022-11-25 23:57:35,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:57:35,559 INFO L413 NwaCegarLoop]: 2572 mSDtfsCounter, 1192 mSDsluCounter, 1662 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 4234 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:57:35,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 4234 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-25 23:57:35,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11437 states. [2022-11-25 23:57:36,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11437 to 11429. [2022-11-25 23:57:36,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11429 states, 6625 states have (on average 1.248301886792453) internal successors, (8270), 6801 states have internal predecessors, (8270), 3659 states have call successors, (3659), 1147 states have call predecessors, (3659), 1143 states have return successors, (3676), 3622 states have call predecessors, (3676), 3659 states have call successors, (3676) [2022-11-25 23:57:36,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11429 states to 11429 states and 15605 transitions. [2022-11-25 23:57:36,495 INFO L78 Accepts]: Start accepts. Automaton has 11429 states and 15605 transitions. Word has length 227 [2022-11-25 23:57:36,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:57:36,495 INFO L495 AbstractCegarLoop]: Abstraction has 11429 states and 15605 transitions. [2022-11-25 23:57:36,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-25 23:57:36,496 INFO L276 IsEmpty]: Start isEmpty. Operand 11429 states and 15605 transitions. [2022-11-25 23:57:36,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-11-25 23:57:36,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:57:36,501 INFO L195 NwaCegarLoop]: trace histogram [18, 12, 12, 12, 12, 12, 12, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:57:36,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:57:36,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:57:36,715 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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 23:57:36,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:57:36,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1996422006, now seen corresponding path program 1 times [2022-11-25 23:57:36,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:57:36,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895968201] [2022-11-25 23:57:36,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:57:36,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:57:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:57:37,140 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2022-11-25 23:57:37,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:57:37,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895968201] [2022-11-25 23:57:37,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895968201] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:57:37,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115713482] [2022-11-25 23:57:37,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:57:37,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:57:37,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:57:37,143 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:57:37,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e4eb3-821c-4438-9647-342f13948858/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:57:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:57:38,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 4028 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:57:38,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:57:38,475 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 237 proven. 1 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2022-11-25 23:57:38,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:57:38,721 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2022-11-25 23:57:38,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115713482] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:57:38,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1694143201] [2022-11-25 23:57:38,748 INFO L159 IcfgInterpreter]: Started Sifa with 140 locations of interest [2022-11-25 23:57:38,748 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:57:38,752 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:57:38,758 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:57:38,759 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:57:45,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:45,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:46,079 INFO L217 Elim1Store]: Index analysis took 222 ms [2022-11-25 23:57:46,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 95 select indices, 95 select index equivalence classes, 4560 disjoint index pairs (out of 4465 index pairs), introduced 95 new quantified variables, introduced 0 case distinctions, treesize of input 2743 treesize of output 2449 [2022-11-25 23:57:50,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:50,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:50,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2022-11-25 23:57:50,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2022-11-25 23:57:51,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:51,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:57:51,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2022-11-25 23:57:52,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 9 [2022-11-25 23:57:52,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 9 [2022-11-26 00:03:13,723 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 361 for LOIs [2022-11-26 00:03:18,231 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 2145 for LOIs [2022-11-26 00:03:21,590 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assume with input of size 1950 for LOIs [2022-11-26 00:03:24,523 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:04:49,819 WARN L233 SmtUtils]: Spent 1.41m on a formula simplification that was a NOOP. DAG size: 3205 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:06:24,402 WARN L233 SmtUtils]: Spent 1.48m on a formula simplification. DAG size of input: 2145 DAG size of output: 1957 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:07:53,510 WARN L233 SmtUtils]: Spent 1.48m on a formula simplification. DAG size of input: 2153 DAG size of output: 1966 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:08:34,600 WARN L233 SmtUtils]: Spent 30.44s on a formula simplification that was a NOOP. DAG size: 1950 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)