./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad446b-e248-49e7-881c-8e09c4750582/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad446b-e248-49e7-881c-8e09c4750582/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_c8ad446b-e248-49e7-881c-8e09c4750582/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad446b-e248-49e7-881c-8e09c4750582/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad446b-e248-49e7-881c-8e09c4750582/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_c8ad446b-e248-49e7-881c-8e09c4750582/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 2d0073111a5c7b021bc76098b9f15e3306b34538df9d4af329dd19631f32f125 --- 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 [2022-11-26 00:54:04,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:54:04,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:54:04,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:54:04,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:54:04,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:54:04,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:54:04,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:54:04,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:54:04,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:54:04,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:54:04,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:54:04,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:54:04,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:54:04,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:54:04,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:54:04,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:54:04,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:54:04,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:54:04,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:54:04,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:54:04,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:54:04,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:54:04,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:54:04,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:54:04,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:54:04,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:54:04,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:54:04,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:54:04,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:54:04,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:54:04,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:54:04,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:54:04,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:54:04,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:54:04,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:54:04,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:54:04,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:54:04,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:54:04,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:54:04,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:54:04,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad446b-e248-49e7-881c-8e09c4750582/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:54:04,845 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:54:04,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:54:04,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:54:04,847 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:54:04,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:54:04,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:54:04,848 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:54:04,848 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:54:04,848 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:54:04,848 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:54:04,849 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:54:04,849 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:54:04,850 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:54:04,850 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:54:04,850 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:54:04,850 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:54:04,850 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:54:04,851 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:54:04,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:54:04,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:54:04,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:54:04,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:54:04,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:54:04,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:54:04,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:54:04,852 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:54:04,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:54:04,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:54:04,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:54:04,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:54:04,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:54:04,854 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:54:04,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:54:04,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:54:04,855 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:54:04,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:54:04,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:54:04,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:54:04,855 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_c8ad446b-e248-49e7-881c-8e09c4750582/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad446b-e248-49e7-881c-8e09c4750582/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d0073111a5c7b021bc76098b9f15e3306b34538df9d4af329dd19631f32f125 [2022-11-26 00:54:05,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:54:05,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:54:05,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:54:05,155 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:54:05,155 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:54:05,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad446b-e248-49e7-881c-8e09c4750582/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i [2022-11-26 00:54:08,302 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:54:09,293 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:54:09,294 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i [2022-11-26 00:54:09,389 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad446b-e248-49e7-881c-8e09c4750582/bin/utaipan-ByfvJB40ur/data/be74aa364/54f8b36717af469eb78de8a91d523472/FLAG7ad7ed87b [2022-11-26 00:54:09,415 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad446b-e248-49e7-881c-8e09c4750582/bin/utaipan-ByfvJB40ur/data/be74aa364/54f8b36717af469eb78de8a91d523472 [2022-11-26 00:54:09,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:54:09,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:54:09,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:54:09,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:54:09,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:54:09,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:54:09" (1/1) ... [2022-11-26 00:54:09,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6999eb15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:09, skipping insertion in model container [2022-11-26 00:54:09,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:54:09" (1/1) ... [2022-11-26 00:54:09,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:54:09,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:54:10,857 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:54:10,876 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:54:10,973 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-11-26 00:54:10,973 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-11-26 00:54:11,188 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:54:11,231 WARN L623 FunctionHandler]: Unknown extern function pagecache_get_page [2022-11-26 00:54:11,241 WARN L623 FunctionHandler]: Unknown extern function pagecache_get_page [2022-11-26 00:54:11,670 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-11-26 00:54:11,672 WARN L623 FunctionHandler]: Unknown extern function is_bad_inode [2022-11-26 00:54:11,716 WARN L623 FunctionHandler]: Unknown extern function dget_parent [2022-11-26 00:54:11,722 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-26 00:54:11,752 WARN L623 FunctionHandler]: Unknown extern function lockref_get_not_dead [2022-11-26 00:54:11,754 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-26 00:54:11,755 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-26 00:54:11,757 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-11-26 00:54:11,757 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:54:11,758 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-11-26 00:54:11,758 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:54:11,762 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-11-26 00:54:11,762 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:54:11,763 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-11-26 00:54:11,764 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:54:11,777 WARN L623 FunctionHandler]: Unknown extern function d_hash_and_lookup [2022-11-26 00:54:11,778 WARN L623 FunctionHandler]: Unknown extern function d_alloc [2022-11-26 00:54:11,779 WARN L623 FunctionHandler]: Unknown extern function shrink_dcache_parent [2022-11-26 00:54:11,780 WARN L623 FunctionHandler]: Unknown extern function dentry_update_name_case [2022-11-26 00:54:11,780 WARN L623 FunctionHandler]: Unknown extern function iunique [2022-11-26 00:54:11,781 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-11-26 00:54:11,782 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-11-26 00:54:11,784 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-11-26 00:54:11,784 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:54:11,787 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-26 00:54:11,788 WARN L623 FunctionHandler]: Unknown extern function iunique [2022-11-26 00:54:11,798 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:11,807 WARN L623 FunctionHandler]: Unknown extern function iunique [2022-11-26 00:54:11,817 WARN L623 FunctionHandler]: Unknown extern function iunique [2022-11-26 00:54:11,818 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-11-26 00:54:12,145 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-11-26 00:54:12,299 WARN L623 FunctionHandler]: Unknown extern function touch_atime [2022-11-26 00:54:12,345 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:12,348 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:54:12,356 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:54:12,357 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-26 00:54:12,426 WARN L623 FunctionHandler]: Unknown extern function filemap_write_and_wait_range [2022-11-26 00:54:12,434 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:12,454 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:12,469 WARN L623 FunctionHandler]: Unknown extern function file_update_time [2022-11-26 00:54:12,473 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:12,591 WARN L623 FunctionHandler]: Unknown extern function generic_file_llseek [2022-11-26 00:54:12,593 WARN L623 FunctionHandler]: Unknown extern function generic_file_llseek [2022-11-26 00:54:12,825 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:54:13,074 WARN L623 FunctionHandler]: Unknown extern function __mark_inode_dirty [2022-11-26 00:54:13,172 WARN L623 FunctionHandler]: Unknown extern function __insert_inode_hash [2022-11-26 00:54:13,546 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-11-26 00:54:13,561 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:54:13,562 WARN L623 FunctionHandler]: Unknown extern function inode_init_once [2022-11-26 00:54:13,569 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-11-26 00:54:13,578 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-11-26 00:54:13,586 WARN L623 FunctionHandler]: Unknown extern function sync_filesystem [2022-11-26 00:54:13,628 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-11-26 00:54:13,630 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:13,631 WARN L623 FunctionHandler]: Unknown extern function new_inode [2022-11-26 00:54:13,634 WARN L623 FunctionHandler]: Unknown extern function init_special_inode [2022-11-26 00:54:13,635 WARN L623 FunctionHandler]: Unknown extern function make_bad_inode [2022-11-26 00:54:13,635 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:13,636 WARN L623 FunctionHandler]: Unknown extern function truncate_inode_pages_final [2022-11-26 00:54:13,637 WARN L623 FunctionHandler]: Unknown extern function clear_inode [2022-11-26 00:54:13,637 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:13,647 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-11-26 00:54:13,648 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-11-26 00:54:13,648 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-11-26 00:54:13,650 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:13,650 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:13,652 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-11-26 00:54:13,652 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:13,653 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:13,654 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:13,655 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:13,656 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:13,657 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:13,657 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:13,658 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:13,659 WARN L623 FunctionHandler]: Unknown extern function pid_vnr [2022-11-26 00:54:13,659 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:13,676 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:13,676 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-11-26 00:54:13,678 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:13,678 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-11-26 00:54:13,679 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:13,680 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-11-26 00:54:13,681 WARN L623 FunctionHandler]: Unknown extern function find_get_pid [2022-11-26 00:54:13,683 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-11-26 00:54:13,694 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:13,695 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-11-26 00:54:13,695 WARN L623 FunctionHandler]: Unknown extern function find_get_pid [2022-11-26 00:54:13,696 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:13,696 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-11-26 00:54:13,697 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:13,697 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-11-26 00:54:13,698 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:13,699 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-11-26 00:54:13,699 WARN L623 FunctionHandler]: Unknown extern function find_get_pid [2022-11-26 00:54:13,700 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:13,700 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-11-26 00:54:13,701 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:13,701 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-11-26 00:54:13,702 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:54:13,704 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-11-26 00:54:13,706 WARN L623 FunctionHandler]: Unknown extern function bdi_setup_and_register [2022-11-26 00:54:13,707 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-11-26 00:54:13,708 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:54:13,708 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:54:13,709 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-11-26 00:54:13,710 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:13,712 WARN L623 FunctionHandler]: Unknown extern function load_nls_default [2022-11-26 00:54:13,713 WARN L623 FunctionHandler]: Unknown extern function load_nls_default [2022-11-26 00:54:13,713 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:54:13,714 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:54:13,717 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:54:13,717 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:54:13,718 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:54:13,719 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:54:13,719 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:54:13,720 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:54:13,720 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:54:13,721 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:54:13,726 WARN L623 FunctionHandler]: Unknown extern function d_make_root [2022-11-26 00:54:13,726 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:13,727 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:13,727 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:13,728 WARN L623 FunctionHandler]: Unknown extern function unload_nls [2022-11-26 00:54:13,728 WARN L623 FunctionHandler]: Unknown extern function unload_nls [2022-11-26 00:54:13,728 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-11-26 00:54:13,729 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-11-26 00:54:13,729 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-11-26 00:54:13,729 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:54:13,730 WARN L623 FunctionHandler]: Unknown extern function bdi_destroy [2022-11-26 00:54:13,730 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:54:13,731 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-11-26 00:54:13,731 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:13,741 WARN L623 FunctionHandler]: Unknown extern function unload_nls [2022-11-26 00:54:13,741 WARN L623 FunctionHandler]: Unknown extern function unload_nls [2022-11-26 00:54:13,742 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:13,742 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-11-26 00:54:13,743 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-11-26 00:54:13,743 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-11-26 00:54:13,744 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:54:13,744 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:54:13,745 WARN L623 FunctionHandler]: Unknown extern function kill_pid [2022-11-26 00:54:13,745 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-11-26 00:54:13,745 WARN L623 FunctionHandler]: Unknown extern function bdi_destroy [2022-11-26 00:54:13,746 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:13,746 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:13,746 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:13,747 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:13,747 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:13,752 WARN L623 FunctionHandler]: Unknown extern function inode_change_ok [2022-11-26 00:54:13,757 WARN L623 FunctionHandler]: Unknown extern function setattr_copy [2022-11-26 00:54:13,759 WARN L623 FunctionHandler]: Unknown extern function truncate_setsize [2022-11-26 00:54:13,762 WARN L623 FunctionHandler]: Unknown extern function setattr_copy [2022-11-26 00:54:13,771 WARN L623 FunctionHandler]: Unknown extern function mount_nodev [2022-11-26 00:54:14,091 WARN L623 FunctionHandler]: Unknown extern function page_put_link [2022-11-26 00:54:14,091 WARN L623 FunctionHandler]: Unknown extern function generic_readlink [2022-11-26 00:54:14,092 WARN L623 FunctionHandler]: Unknown extern function page_follow_link_light [2022-11-26 00:54:14,093 WARN L623 FunctionHandler]: Unknown extern function kill_anon_super [2022-11-26 00:54:14,094 WARN L623 FunctionHandler]: Unknown extern function generic_delete_inode [2022-11-26 00:54:14,135 WARN L623 FunctionHandler]: Unknown extern function lock_sock_nested [2022-11-26 00:54:14,136 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-26 00:54:14,137 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:54:14,138 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-26 00:54:14,138 WARN L623 FunctionHandler]: Unknown extern function register_filesystem [2022-11-26 00:54:14,139 WARN L623 FunctionHandler]: Unknown extern function unregister_filesystem [2022-11-26 00:54:14,231 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:54:14,365 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:14,366 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:54:14,367 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:54:14,367 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-26 00:54:14,446 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:14,447 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:14,457 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:14,457 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:14,467 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:14,468 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:14,478 WARN L623 FunctionHandler]: Unknown extern function load_nls_default [2022-11-26 00:54:14,479 WARN L623 FunctionHandler]: Unknown extern function load_nls_default [2022-11-26 00:54:14,480 WARN L623 FunctionHandler]: Unknown extern function load_nls [2022-11-26 00:54:14,480 WARN L623 FunctionHandler]: Unknown extern function load_nls_default [2022-11-26 00:54:14,481 WARN L623 FunctionHandler]: Unknown extern function load_nls_default [2022-11-26 00:54:14,482 WARN L623 FunctionHandler]: Unknown extern function load_nls_default [2022-11-26 00:54:14,483 WARN L623 FunctionHandler]: Unknown extern function load_nls [2022-11-26 00:54:14,483 WARN L623 FunctionHandler]: Unknown extern function unload_nls [2022-11-26 00:54:14,484 WARN L623 FunctionHandler]: Unknown extern function unload_nls [2022-11-26 00:54:14,485 WARN L623 FunctionHandler]: Unknown extern function unload_nls [2022-11-26 00:54:14,494 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-26 00:54:14,496 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-26 00:54:14,510 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:14,512 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:14,514 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:14,514 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:14,515 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:14,515 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:14,516 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:14,516 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:14,517 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:14,517 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:14,518 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:14,518 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:14,519 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:14,524 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:14,525 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:14,529 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-26 00:54:14,531 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-26 00:54:14,532 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-26 00:54:14,533 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-26 00:54:14,534 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-26 00:54:14,535 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-26 00:54:14,536 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-26 00:54:14,536 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:14,537 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:14,538 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-26 00:54:14,539 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-26 00:54:14,541 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-26 00:54:14,542 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-26 00:54:14,542 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-26 00:54:14,543 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:14,546 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:14,547 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:54:14,550 WARN L623 FunctionHandler]: Unknown extern function mnt_want_write_file [2022-11-26 00:54:14,550 WARN L623 FunctionHandler]: Unknown extern function inode_permission [2022-11-26 00:54:14,551 WARN L623 FunctionHandler]: Unknown extern function inode_permission [2022-11-26 00:54:14,551 WARN L623 FunctionHandler]: Unknown extern function mnt_drop_write_file [2022-11-26 00:54:14,579 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:54:14,580 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:54:14,581 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:54:14,581 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:54:14,582 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-26 00:54:14,615 WARN L623 FunctionHandler]: Unknown extern function __mem_cgroup_count_vm_event [2022-11-26 00:54:14,835 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-26 00:54:14,844 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-26 00:54:14,854 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-26 00:54:14,864 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-26 00:54:15,007 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,119 WARN L623 FunctionHandler]: Unknown extern function utf8_to_utf32 [2022-11-26 00:54:15,125 WARN L623 FunctionHandler]: Unknown extern function utf32_to_utf8 [2022-11-26 00:54:15,129 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:15,130 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:54:15,220 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:54:15,236 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:54:15,252 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:54:15,375 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:54:15,465 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:54:15,534 WARN L623 FunctionHandler]: Unknown extern function kernel_recvmsg [2022-11-26 00:54:15,543 WARN L623 FunctionHandler]: Unknown extern function kernel_sendmsg [2022-11-26 00:54:15,560 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:54:15,576 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:15,586 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:54:15,647 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,718 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,739 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,748 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,749 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,750 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,751 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,754 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,755 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,756 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,757 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,774 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:54:15,775 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-26 00:54:15,775 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:54:15,775 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:54:15,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,786 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-11-26 00:54:15,790 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-11-26 00:54:15,794 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,796 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,813 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:54:15,813 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-26 00:54:15,815 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:54:15,815 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:54:15,816 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:54:15,816 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:54:15,822 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:54:15,822 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-26 00:54:15,823 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:54:15,823 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:54:15,824 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:54:15,824 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:54:15,896 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:54:15,912 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-11-26 00:54:15,927 WARN L623 FunctionHandler]: Unknown extern function strsep [2022-11-26 00:54:15,931 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,931 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,932 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,933 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:15,958 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:15,958 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-11-26 00:54:15,958 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:15,959 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-11-26 00:54:15,962 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:15,962 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:16,738 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:54:17,183 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:54:18,278 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659699,659712] [2022-11-26 00:54:18,283 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659844,659857] [2022-11-26 00:54:18,283 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659990,660003] [2022-11-26 00:54:18,284 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660155,660168] [2022-11-26 00:54:18,284 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660313,660326] [2022-11-26 00:54:18,285 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660471,660484] [2022-11-26 00:54:18,285 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660629,660642] [2022-11-26 00:54:18,286 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660789,660802] [2022-11-26 00:54:18,286 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660948,660961] [2022-11-26 00:54:18,287 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661087,661100] [2022-11-26 00:54:18,287 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661229,661242] [2022-11-26 00:54:18,288 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661378,661391] [2022-11-26 00:54:18,288 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661517,661530] [2022-11-26 00:54:18,289 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661672,661685] [2022-11-26 00:54:18,289 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661832,661845] [2022-11-26 00:54:18,290 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661983,661996] [2022-11-26 00:54:18,290 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662134,662147] [2022-11-26 00:54:18,291 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662286,662299] [2022-11-26 00:54:18,291 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662435,662448] [2022-11-26 00:54:18,292 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662583,662596] [2022-11-26 00:54:18,292 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662740,662753] [2022-11-26 00:54:18,293 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662889,662902] [2022-11-26 00:54:18,293 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663045,663058] [2022-11-26 00:54:18,294 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663198,663211] [2022-11-26 00:54:18,294 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663344,663357] [2022-11-26 00:54:18,295 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663487,663500] [2022-11-26 00:54:18,295 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663639,663652] [2022-11-26 00:54:18,296 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663785,663798] [2022-11-26 00:54:18,296 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663930,663943] [2022-11-26 00:54:18,297 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664084,664097] [2022-11-26 00:54:18,297 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664235,664248] [2022-11-26 00:54:18,298 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664390,664403] [2022-11-26 00:54:18,298 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664542,664555] [2022-11-26 00:54:18,298 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664697,664710] [2022-11-26 00:54:18,299 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664861,664874] [2022-11-26 00:54:18,299 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665017,665030] [2022-11-26 00:54:18,300 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665181,665194] [2022-11-26 00:54:18,300 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665323,665336] [2022-11-26 00:54:18,301 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665481,665494] [2022-11-26 00:54:18,301 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665648,665661] [2022-11-26 00:54:18,302 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665807,665820] [2022-11-26 00:54:18,302 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665966,665979] [2022-11-26 00:54:18,303 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666115,666128] [2022-11-26 00:54:18,303 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666262,666275] [2022-11-26 00:54:18,303 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666401,666414] [2022-11-26 00:54:18,304 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666564,666577] [2022-11-26 00:54:18,304 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666730,666743] [2022-11-26 00:54:18,305 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666894,666907] [2022-11-26 00:54:18,305 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667059,667072] [2022-11-26 00:54:18,306 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667224,667237] [2022-11-26 00:54:18,306 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667390,667403] [2022-11-26 00:54:18,307 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667555,667568] [2022-11-26 00:54:18,307 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667722,667735] [2022-11-26 00:54:18,307 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667882,667895] [2022-11-26 00:54:18,308 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668044,668057] [2022-11-26 00:54:18,308 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668203,668216] [2022-11-26 00:54:18,309 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668349,668362] [2022-11-26 00:54:18,309 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668492,668505] [2022-11-26 00:54:18,310 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668636,668649] [2022-11-26 00:54:18,310 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668779,668792] [2022-11-26 00:54:18,311 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668923,668936] [2022-11-26 00:54:18,311 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669064,669077] [2022-11-26 00:54:18,311 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669202,669215] [2022-11-26 00:54:18,312 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669360,669373] [2022-11-26 00:54:18,312 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669519,669532] [2022-11-26 00:54:18,313 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669675,669688] [2022-11-26 00:54:18,313 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669824,669837] [2022-11-26 00:54:18,314 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669976,669989] [2022-11-26 00:54:18,314 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670127,670140] [2022-11-26 00:54:18,315 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670276,670289] [2022-11-26 00:54:18,315 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670428,670441] [2022-11-26 00:54:18,315 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670576,670589] [2022-11-26 00:54:18,316 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670729,670742] [2022-11-26 00:54:18,316 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670880,670893] [2022-11-26 00:54:18,317 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671030,671043] [2022-11-26 00:54:18,317 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671177,671190] [2022-11-26 00:54:18,318 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671328,671341] [2022-11-26 00:54:18,318 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671479,671492] [2022-11-26 00:54:18,319 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671627,671640] [2022-11-26 00:54:18,319 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671793,671806] [2022-11-26 00:54:18,320 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671962,671975] [2022-11-26 00:54:18,320 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672129,672142] [2022-11-26 00:54:18,320 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672297,672310] [2022-11-26 00:54:18,321 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672447,672460] [2022-11-26 00:54:18,321 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672594,672607] [2022-11-26 00:54:18,322 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672755,672768] [2022-11-26 00:54:18,322 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672925,672938] [2022-11-26 00:54:18,323 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[673087,673100] [2022-11-26 00:54:18,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:54:18,403 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:54:18,600 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:54:18,602 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:54:18,603 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-11-26 00:54:18,604 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-11-26 00:54:18,611 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:54:18,612 WARN L623 FunctionHandler]: Unknown extern function pagecache_get_page [2022-11-26 00:54:18,613 WARN L623 FunctionHandler]: Unknown extern function pagecache_get_page [2022-11-26 00:54:18,636 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-11-26 00:54:18,644 WARN L623 FunctionHandler]: Unknown extern function is_bad_inode [2022-11-26 00:54:18,672 WARN L623 FunctionHandler]: Unknown extern function dget_parent [2022-11-26 00:54:18,680 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-26 00:54:18,694 WARN L623 FunctionHandler]: Unknown extern function lockref_get_not_dead [2022-11-26 00:54:18,695 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-26 00:54:18,696 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-26 00:54:18,697 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-11-26 00:54:18,697 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:54:18,699 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-11-26 00:54:18,700 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:54:18,702 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-11-26 00:54:18,703 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:54:18,704 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-11-26 00:54:18,704 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:54:18,711 WARN L623 FunctionHandler]: Unknown extern function d_hash_and_lookup [2022-11-26 00:54:18,712 WARN L623 FunctionHandler]: Unknown extern function d_alloc [2022-11-26 00:54:18,712 WARN L623 FunctionHandler]: Unknown extern function shrink_dcache_parent [2022-11-26 00:54:18,713 WARN L623 FunctionHandler]: Unknown extern function dentry_update_name_case [2022-11-26 00:54:18,713 WARN L623 FunctionHandler]: Unknown extern function iunique [2022-11-26 00:54:18,715 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-11-26 00:54:18,716 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-11-26 00:54:18,718 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-11-26 00:54:18,718 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:54:18,725 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-26 00:54:18,726 WARN L623 FunctionHandler]: Unknown extern function iunique [2022-11-26 00:54:18,738 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:18,748 WARN L623 FunctionHandler]: Unknown extern function iunique [2022-11-26 00:54:18,751 WARN L623 FunctionHandler]: Unknown extern function iunique [2022-11-26 00:54:18,753 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-11-26 00:54:18,835 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-11-26 00:54:18,837 WARN L623 FunctionHandler]: Unknown extern function touch_atime [2022-11-26 00:54:18,838 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:18,839 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:54:18,839 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:54:18,839 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-26 00:54:18,840 WARN L623 FunctionHandler]: Unknown extern function filemap_write_and_wait_range [2022-11-26 00:54:18,841 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:18,853 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:18,858 WARN L623 FunctionHandler]: Unknown extern function file_update_time [2022-11-26 00:54:18,861 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:18,867 WARN L623 FunctionHandler]: Unknown extern function generic_file_llseek [2022-11-26 00:54:18,867 WARN L623 FunctionHandler]: Unknown extern function generic_file_llseek [2022-11-26 00:54:18,870 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:54:18,875 WARN L623 FunctionHandler]: Unknown extern function __mark_inode_dirty [2022-11-26 00:54:18,876 WARN L623 FunctionHandler]: Unknown extern function __insert_inode_hash [2022-11-26 00:54:18,878 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-11-26 00:54:18,878 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:54:18,879 WARN L623 FunctionHandler]: Unknown extern function inode_init_once [2022-11-26 00:54:18,879 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-11-26 00:54:18,880 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-11-26 00:54:18,880 WARN L623 FunctionHandler]: Unknown extern function sync_filesystem [2022-11-26 00:54:18,893 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-11-26 00:54:18,894 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:18,894 WARN L623 FunctionHandler]: Unknown extern function new_inode [2022-11-26 00:54:18,900 WARN L623 FunctionHandler]: Unknown extern function init_special_inode [2022-11-26 00:54:18,901 WARN L623 FunctionHandler]: Unknown extern function make_bad_inode [2022-11-26 00:54:18,902 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:18,902 WARN L623 FunctionHandler]: Unknown extern function truncate_inode_pages_final [2022-11-26 00:54:18,903 WARN L623 FunctionHandler]: Unknown extern function clear_inode [2022-11-26 00:54:18,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:18,912 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-11-26 00:54:18,913 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-11-26 00:54:18,913 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-11-26 00:54:18,916 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:18,916 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:18,917 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-11-26 00:54:18,917 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:18,919 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:18,919 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:18,920 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:18,920 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:18,921 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:18,921 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:18,922 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:18,922 WARN L623 FunctionHandler]: Unknown extern function pid_vnr [2022-11-26 00:54:18,922 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:54:18,930 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:18,930 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-11-26 00:54:18,933 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:18,933 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-11-26 00:54:18,934 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:18,934 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-11-26 00:54:18,935 WARN L623 FunctionHandler]: Unknown extern function find_get_pid [2022-11-26 00:54:18,937 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-11-26 00:54:18,940 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:18,940 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-11-26 00:54:18,941 WARN L623 FunctionHandler]: Unknown extern function find_get_pid [2022-11-26 00:54:18,941 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:18,942 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-11-26 00:54:18,942 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:18,942 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-11-26 00:54:18,943 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:18,943 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-11-26 00:54:18,944 WARN L623 FunctionHandler]: Unknown extern function find_get_pid [2022-11-26 00:54:18,944 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:18,945 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-11-26 00:54:18,945 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:18,945 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-11-26 00:54:18,946 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:54:18,950 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-11-26 00:54:18,953 WARN L623 FunctionHandler]: Unknown extern function bdi_setup_and_register [2022-11-26 00:54:18,954 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-11-26 00:54:18,955 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:54:18,955 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:54:18,957 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-11-26 00:54:18,961 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:18,963 WARN L623 FunctionHandler]: Unknown extern function load_nls_default [2022-11-26 00:54:18,964 WARN L623 FunctionHandler]: Unknown extern function load_nls_default [2022-11-26 00:54:18,964 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:54:18,965 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:54:18,982 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:54:18,983 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:54:18,985 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:54:18,986 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:54:18,994 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:54:18,994 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:54:18,996 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:54:18,997 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:54:19,004 WARN L623 FunctionHandler]: Unknown extern function d_make_root [2022-11-26 00:54:19,005 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:19,005 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:19,006 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:19,006 WARN L623 FunctionHandler]: Unknown extern function unload_nls [2022-11-26 00:54:19,006 WARN L623 FunctionHandler]: Unknown extern function unload_nls [2022-11-26 00:54:19,007 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-11-26 00:54:19,007 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-11-26 00:54:19,007 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-11-26 00:54:19,007 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:54:19,008 WARN L623 FunctionHandler]: Unknown extern function bdi_destroy [2022-11-26 00:54:19,008 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:54:19,008 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-11-26 00:54:19,008 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:19,010 WARN L623 FunctionHandler]: Unknown extern function unload_nls [2022-11-26 00:54:19,011 WARN L623 FunctionHandler]: Unknown extern function unload_nls [2022-11-26 00:54:19,011 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:19,011 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-11-26 00:54:19,012 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-11-26 00:54:19,012 WARN L623 FunctionHandler]: Unknown extern function mutex_destroy [2022-11-26 00:54:19,012 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:54:19,013 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:54:19,013 WARN L623 FunctionHandler]: Unknown extern function kill_pid [2022-11-26 00:54:19,013 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-11-26 00:54:19,013 WARN L623 FunctionHandler]: Unknown extern function bdi_destroy [2022-11-26 00:54:19,014 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:19,014 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:19,014 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:19,014 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:19,014 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:19,022 WARN L623 FunctionHandler]: Unknown extern function inode_change_ok [2022-11-26 00:54:19,028 WARN L623 FunctionHandler]: Unknown extern function setattr_copy [2022-11-26 00:54:19,031 WARN L623 FunctionHandler]: Unknown extern function truncate_setsize [2022-11-26 00:54:19,034 WARN L623 FunctionHandler]: Unknown extern function setattr_copy [2022-11-26 00:54:19,036 WARN L623 FunctionHandler]: Unknown extern function mount_nodev [2022-11-26 00:54:19,042 WARN L623 FunctionHandler]: Unknown extern function page_put_link [2022-11-26 00:54:19,042 WARN L623 FunctionHandler]: Unknown extern function generic_readlink [2022-11-26 00:54:19,043 WARN L623 FunctionHandler]: Unknown extern function page_follow_link_light [2022-11-26 00:54:19,043 WARN L623 FunctionHandler]: Unknown extern function kill_anon_super [2022-11-26 00:54:19,044 WARN L623 FunctionHandler]: Unknown extern function generic_delete_inode [2022-11-26 00:54:19,054 WARN L623 FunctionHandler]: Unknown extern function lock_sock_nested [2022-11-26 00:54:19,055 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-26 00:54:19,055 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:54:19,056 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-26 00:54:19,057 WARN L623 FunctionHandler]: Unknown extern function register_filesystem [2022-11-26 00:54:19,057 WARN L623 FunctionHandler]: Unknown extern function unregister_filesystem [2022-11-26 00:54:19,060 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:54:19,061 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:19,061 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:54:19,095 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:54:19,095 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-26 00:54:19,097 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:19,097 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:19,099 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:19,100 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:19,102 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:19,102 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:19,104 WARN L623 FunctionHandler]: Unknown extern function load_nls_default [2022-11-26 00:54:19,105 WARN L623 FunctionHandler]: Unknown extern function load_nls_default [2022-11-26 00:54:19,105 WARN L623 FunctionHandler]: Unknown extern function load_nls [2022-11-26 00:54:19,106 WARN L623 FunctionHandler]: Unknown extern function load_nls_default [2022-11-26 00:54:19,107 WARN L623 FunctionHandler]: Unknown extern function load_nls_default [2022-11-26 00:54:19,107 WARN L623 FunctionHandler]: Unknown extern function load_nls_default [2022-11-26 00:54:19,108 WARN L623 FunctionHandler]: Unknown extern function load_nls [2022-11-26 00:54:19,108 WARN L623 FunctionHandler]: Unknown extern function unload_nls [2022-11-26 00:54:19,110 WARN L623 FunctionHandler]: Unknown extern function unload_nls [2022-11-26 00:54:19,110 WARN L623 FunctionHandler]: Unknown extern function unload_nls [2022-11-26 00:54:19,111 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-26 00:54:19,113 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-26 00:54:19,122 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:19,123 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:54:19,126 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:19,126 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:19,127 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:19,127 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:19,128 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:19,128 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:19,129 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:19,129 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:19,130 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:19,130 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-26 00:54:19,130 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:19,139 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:19,139 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:19,148 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-26 00:54:19,149 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-26 00:54:19,150 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-26 00:54:19,151 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-26 00:54:19,153 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-26 00:54:19,153 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-26 00:54:19,154 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-26 00:54:19,154 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:19,155 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:19,156 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-26 00:54:19,156 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-26 00:54:19,158 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-26 00:54:19,159 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-26 00:54:19,160 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-26 00:54:19,160 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:19,168 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:19,168 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:54:19,170 WARN L623 FunctionHandler]: Unknown extern function mnt_want_write_file [2022-11-26 00:54:19,171 WARN L623 FunctionHandler]: Unknown extern function inode_permission [2022-11-26 00:54:19,171 WARN L623 FunctionHandler]: Unknown extern function inode_permission [2022-11-26 00:54:19,172 WARN L623 FunctionHandler]: Unknown extern function mnt_drop_write_file [2022-11-26 00:54:19,174 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:54:19,175 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:54:19,176 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:54:19,176 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:54:19,176 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-26 00:54:19,178 WARN L623 FunctionHandler]: Unknown extern function __mem_cgroup_count_vm_event [2022-11-26 00:54:19,198 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-26 00:54:19,200 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-26 00:54:19,201 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-26 00:54:19,203 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-26 00:54:19,219 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,249 WARN L623 FunctionHandler]: Unknown extern function utf8_to_utf32 [2022-11-26 00:54:19,257 WARN L623 FunctionHandler]: Unknown extern function utf32_to_utf8 [2022-11-26 00:54:19,260 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:19,261 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:54:19,261 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:54:19,264 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:54:19,265 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:54:19,266 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:54:19,267 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:54:19,271 WARN L623 FunctionHandler]: Unknown extern function kernel_recvmsg [2022-11-26 00:54:19,272 WARN L623 FunctionHandler]: Unknown extern function kernel_sendmsg [2022-11-26 00:54:19,274 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:54:19,275 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:19,297 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:54:19,302 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,311 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,327 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,328 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,330 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,333 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,336 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,337 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,340 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:54:19,341 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-26 00:54:19,342 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:54:19,342 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:54:19,343 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,345 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-11-26 00:54:19,346 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-11-26 00:54:19,349 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,350 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,351 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:54:19,351 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-26 00:54:19,352 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:54:19,352 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:54:19,353 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:54:19,353 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:54:19,353 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:54:19,354 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-26 00:54:19,354 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:54:19,355 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:54:19,355 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:54:19,356 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:54:19,368 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:54:19,368 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-11-26 00:54:19,369 WARN L623 FunctionHandler]: Unknown extern function strsep [2022-11-26 00:54:19,371 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,372 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,372 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,373 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:19,382 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:19,383 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-11-26 00:54:19,383 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:19,384 WARN L623 FunctionHandler]: Unknown extern function unlock_page [2022-11-26 00:54:19,399 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:19,399 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:19,418 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:54:19,426 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:54:19,464 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659699,659712] [2022-11-26 00:54:19,465 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659844,659857] [2022-11-26 00:54:19,465 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659990,660003] [2022-11-26 00:54:19,466 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660155,660168] [2022-11-26 00:54:19,467 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660313,660326] [2022-11-26 00:54:19,467 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660471,660484] [2022-11-26 00:54:19,468 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660629,660642] [2022-11-26 00:54:19,468 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660789,660802] [2022-11-26 00:54:19,468 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660948,660961] [2022-11-26 00:54:19,469 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661087,661100] [2022-11-26 00:54:19,469 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661229,661242] [2022-11-26 00:54:19,470 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661378,661391] [2022-11-26 00:54:19,470 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661517,661530] [2022-11-26 00:54:19,470 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661672,661685] [2022-11-26 00:54:19,471 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661832,661845] [2022-11-26 00:54:19,472 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661983,661996] [2022-11-26 00:54:19,473 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662134,662147] [2022-11-26 00:54:19,473 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662286,662299] [2022-11-26 00:54:19,473 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662435,662448] [2022-11-26 00:54:19,474 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662583,662596] [2022-11-26 00:54:19,474 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662740,662753] [2022-11-26 00:54:19,474 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662889,662902] [2022-11-26 00:54:19,475 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663045,663058] [2022-11-26 00:54:19,475 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663198,663211] [2022-11-26 00:54:19,476 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663344,663357] [2022-11-26 00:54:19,476 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663487,663500] [2022-11-26 00:54:19,476 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663639,663652] [2022-11-26 00:54:19,477 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663785,663798] [2022-11-26 00:54:19,477 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663930,663943] [2022-11-26 00:54:19,477 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664084,664097] [2022-11-26 00:54:19,479 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664235,664248] [2022-11-26 00:54:19,479 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664390,664403] [2022-11-26 00:54:19,480 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664542,664555] [2022-11-26 00:54:19,480 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664697,664710] [2022-11-26 00:54:19,481 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664861,664874] [2022-11-26 00:54:19,481 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665017,665030] [2022-11-26 00:54:19,481 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665181,665194] [2022-11-26 00:54:19,482 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665323,665336] [2022-11-26 00:54:19,482 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665481,665494] [2022-11-26 00:54:19,482 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665648,665661] [2022-11-26 00:54:19,484 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665807,665820] [2022-11-26 00:54:19,484 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665966,665979] [2022-11-26 00:54:19,484 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666115,666128] [2022-11-26 00:54:19,485 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666262,666275] [2022-11-26 00:54:19,485 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666401,666414] [2022-11-26 00:54:19,485 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666564,666577] [2022-11-26 00:54:19,486 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666730,666743] [2022-11-26 00:54:19,486 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666894,666907] [2022-11-26 00:54:19,487 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667059,667072] [2022-11-26 00:54:19,487 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667224,667237] [2022-11-26 00:54:19,487 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667390,667403] [2022-11-26 00:54:19,488 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667555,667568] [2022-11-26 00:54:19,489 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667722,667735] [2022-11-26 00:54:19,489 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667882,667895] [2022-11-26 00:54:19,490 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668044,668057] [2022-11-26 00:54:19,490 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668203,668216] [2022-11-26 00:54:19,490 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668349,668362] [2022-11-26 00:54:19,491 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668492,668505] [2022-11-26 00:54:19,491 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668636,668649] [2022-11-26 00:54:19,492 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668779,668792] [2022-11-26 00:54:19,492 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668923,668936] [2022-11-26 00:54:19,493 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669064,669077] [2022-11-26 00:54:19,493 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669202,669215] [2022-11-26 00:54:19,493 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669360,669373] [2022-11-26 00:54:19,498 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669519,669532] [2022-11-26 00:54:19,499 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669675,669688] [2022-11-26 00:54:19,499 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669824,669837] [2022-11-26 00:54:19,500 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669976,669989] [2022-11-26 00:54:19,500 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670127,670140] [2022-11-26 00:54:19,500 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670276,670289] [2022-11-26 00:54:19,501 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670428,670441] [2022-11-26 00:54:19,501 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670576,670589] [2022-11-26 00:54:19,501 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670729,670742] [2022-11-26 00:54:19,503 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670880,670893] [2022-11-26 00:54:19,503 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671030,671043] [2022-11-26 00:54:19,503 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671177,671190] [2022-11-26 00:54:19,504 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671328,671341] [2022-11-26 00:54:19,504 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671479,671492] [2022-11-26 00:54:19,506 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671627,671640] [2022-11-26 00:54:19,506 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671793,671806] [2022-11-26 00:54:19,507 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671962,671975] [2022-11-26 00:54:19,507 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672129,672142] [2022-11-26 00:54:19,507 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672297,672310] [2022-11-26 00:54:19,508 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672447,672460] [2022-11-26 00:54:19,508 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672594,672607] [2022-11-26 00:54:19,509 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672755,672768] [2022-11-26 00:54:19,509 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672925,672938] [2022-11-26 00:54:19,509 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_c8ad446b-e248-49e7-881c-8e09c4750582/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[673087,673100] [2022-11-26 00:54:19,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:54:19,889 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:54:19,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:19 WrapperNode [2022-11-26 00:54:19,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:54:19,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:54:19,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:54:19,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:54:19,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:19" (1/1) ... [2022-11-26 00:54:20,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:19" (1/1) ... [2022-11-26 00:54:20,465 INFO L138 Inliner]: procedures = 981, calls = 6465, calls flagged for inlining = 457, calls inlined = 329, statements flattened = 12997 [2022-11-26 00:54:20,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:54:20,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:54:20,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:54:20,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:54:20,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:19" (1/1) ... [2022-11-26 00:54:20,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:19" (1/1) ... [2022-11-26 00:54:20,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:19" (1/1) ... [2022-11-26 00:54:20,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:19" (1/1) ... [2022-11-26 00:54:20,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:19" (1/1) ... [2022-11-26 00:54:20,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:19" (1/1) ... [2022-11-26 00:54:20,827 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:19" (1/1) ... [2022-11-26 00:54:20,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:19" (1/1) ... [2022-11-26 00:54:20,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:54:20,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:54:20,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:54:20,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:54:20,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:19" (1/1) ... [2022-11-26 00:54:20,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:54:20,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad446b-e248-49e7-881c-8e09c4750582/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:54:20,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad446b-e248-49e7-881c-8e09c4750582/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:54:21,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8ad446b-e248-49e7-881c-8e09c4750582/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:54:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2022-11-26 00:54:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2022-11-26 00:54:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-26 00:54:21,025 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-11-26 00:54:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-11-26 00:54:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_DeleteNSEntry [2022-11-26 00:54:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_DeleteNSEntry [2022-11-26 00:54:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure ncp__io2vol [2022-11-26 00:54:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp__io2vol [2022-11-26 00:54:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-26 00:54:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-26 00:54:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_dates [2022-11-26 00:54:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_dates [2022-11-26 00:54:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure __ncp_start_request [2022-11-26 00:54:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __ncp_start_request [2022-11-26 00:54:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-26 00:54:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-26 00:54:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 00:54:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 00:54:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_obtain_info [2022-11-26 00:54:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_obtain_info [2022-11-26 00:54:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_file_write [2022-11-26 00:54:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_file_write [2022-11-26 00:54:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2022-11-26 00:54:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2022-11-26 00:54:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure sign_packet [2022-11-26 00:54:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure sign_packet [2022-11-26 00:54:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_file_mmap_fault [2022-11-26 00:54:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_file_mmap_fault [2022-11-26 00:54:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_obtain_nfs_info [2022-11-26 00:54:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_obtain_nfs_info [2022-11-26 00:54:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure grab_cache_page [2022-11-26 00:54:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure grab_cache_page [2022-11-26 00:54:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___1 [2022-11-26 00:54:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___1 [2022-11-26 00:54:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___0 [2022-11-26 00:54:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___0 [2022-11-26 00:54:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_make_open [2022-11-26 00:54:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_make_open [2022-11-26 00:54:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-26 00:54:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-26 00:54:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-11-26 00:54:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-11-26 00:54:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-26 00:54:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-26 00:54:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2022-11-26 00:54:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2022-11-26 00:54:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 00:54:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 00:54:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-26 00:54:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-26 00:54:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:54:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_ioctl [2022-11-26 00:54:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_ioctl [2022-11-26 00:54:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-26 00:54:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-26 00:54:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2022-11-26 00:54:21,034 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2022-11-26 00:54:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure iunique [2022-11-26 00:54:21,034 INFO L138 BoogieDeclarations]: Found implementation of procedure iunique [2022-11-26 00:54:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_le16 [2022-11-26 00:54:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_le16 [2022-11-26 00:54:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-26 00:54:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-26 00:54:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_statfs [2022-11-26 00:54:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_statfs [2022-11-26 00:54:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure assert_server_locked [2022-11-26 00:54:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_server_locked [2022-11-26 00:54:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-26 00:54:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-26 00:54:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_write_kernel [2022-11-26 00:54:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_write_kernel [2022-11-26 00:54:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-26 00:54:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-26 00:54:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_byte [2022-11-26 00:54:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_byte [2022-11-26 00:54:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:54:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-26 00:54:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-26 00:54:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~wchar_t~0~X~$Pointer$~X~int~TO~int [2022-11-26 00:54:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~wchar_t~0~X~$Pointer$~X~int~TO~int [2022-11-26 00:54:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_write [2022-11-26 00:54:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_write [2022-11-26 00:54:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-26 00:54:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-26 00:54:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:54:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_destroy_inode [2022-11-26 00:54:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_destroy_inode [2022-11-26 00:54:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_attrs [2022-11-26 00:54:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_attrs [2022-11-26 00:54:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:54:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:54:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:54:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-26 00:54:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure bdi_destroy [2022-11-26 00:54:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure bdi_destroy [2022-11-26 00:54:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-26 00:54:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-26 00:54:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_get_volume_root [2022-11-26 00:54:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_get_volume_root [2022-11-26 00:54:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-26 00:54:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-26 00:54:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_ncp_server [2022-11-26 00:54:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_ncp_server [2022-11-26 00:54:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure unload_nls [2022-11-26 00:54:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure unload_nls [2022-11-26 00:54:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_request [2022-11-26 00:54:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_request [2022-11-26 00:54:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_date_dos2unix [2022-11-26 00:54:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_date_dos2unix [2022-11-26 00:54:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_new_dentry [2022-11-26 00:54:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_new_dentry [2022-11-26 00:54:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2022-11-26 00:54:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2022-11-26 00:54:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-26 00:54:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-26 00:54:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure nls_tolower [2022-11-26 00:54:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure nls_tolower [2022-11-26 00:54:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:54:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:54:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 00:54:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 00:54:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_mutex_of_ncp_inode_info [2022-11-26 00:54:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_mutex_of_ncp_inode_info [2022-11-26 00:54:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2022-11-26 00:54:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2022-11-26 00:54:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-26 00:54:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-26 00:54:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure dir_emit [2022-11-26 00:54:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dir_emit [2022-11-26 00:54:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:54:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2022-11-26 00:54:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2022-11-26 00:54:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-11-26 00:54:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-11-26 00:54:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-26 00:54:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_146 [2022-11-26 00:54:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_146 [2022-11-26 00:54:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_rmdir [2022-11-26 00:54:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_rmdir [2022-11-26 00:54:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-26 00:54:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-26 00:54:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_file_read [2022-11-26 00:54:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_file_read [2022-11-26 00:54:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2022-11-26 00:54:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2022-11-26 00:54:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_i_mutex_of_inode [2022-11-26 00:54:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_i_mutex_of_inode [2022-11-26 00:54:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_compat_ioctl [2022-11-26 00:54:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_compat_ioctl [2022-11-26 00:54:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure WSET_LH [2022-11-26 00:54:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure WSET_LH [2022-11-26 00:54:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:54:21,047 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:54:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure setattr_copy [2022-11-26 00:54:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setattr_copy [2022-11-26 00:54:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-26 00:54:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-26 00:54:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2022-11-26 00:54:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2022-11-26 00:54:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-26 00:54:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-26 00:54:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_data [2022-11-26 00:54:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_data [2022-11-26 00:54:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:54:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 00:54:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 00:54:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-26 00:54:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-26 00:54:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:54:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-26 00:54:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-26 00:54:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_d_prune [2022-11-26 00:54:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_d_prune [2022-11-26 00:54:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2022-11-26 00:54:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2022-11-26 00:54:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_byte [2022-11-26 00:54:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_byte [2022-11-26 00:54:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_init_header [2022-11-26 00:54:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_init_header [2022-11-26 00:54:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure pagecache_get_page [2022-11-26 00:54:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pagecache_get_page [2022-11-26 00:54:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_mem [2022-11-26 00:54:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_mem [2022-11-26 00:54:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure kill_anon_super [2022-11-26 00:54:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_anon_super [2022-11-26 00:54:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_root_setup_lock_of_ncp_server [2022-11-26 00:54:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_root_setup_lock_of_ncp_server [2022-11-26 00:54:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_is_server_root [2022-11-26 00:54:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_is_server_root [2022-11-26 00:54:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_is_nfs_extras [2022-11-26 00:54:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_is_nfs_extras [2022-11-26 00:54:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_release [2022-11-26 00:54:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_release [2022-11-26 00:54:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-26 00:54:21,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-26 00:54:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure ncpdgram_send [2022-11-26 00:54:21,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ncpdgram_send [2022-11-26 00:54:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-26 00:54:21,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-26 00:54:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-26 00:54:21,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-26 00:54:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_inode_close [2022-11-26 00:54:21,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_inode_close [2022-11-26 00:54:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure NCP_FINFO [2022-11-26 00:54:21,055 INFO L138 BoogieDeclarations]: Found implementation of procedure NCP_FINFO [2022-11-26 00:54:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure ncp__vol2io [2022-11-26 00:54:21,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp__vol2io [2022-11-26 00:54:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_creq_mutex_of_NOT_ARG_SIGN [2022-11-26 00:54:21,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_creq_mutex_of_NOT_ARG_SIGN [2022-11-26 00:54:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_RenameNSEntry [2022-11-26 00:54:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_RenameNSEntry [2022-11-26 00:54:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_i_mutex_of_inode [2022-11-26 00:54:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_i_mutex_of_inode [2022-11-26 00:54:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-11-26 00:54:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-11-26 00:54:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_notify_change [2022-11-26 00:54:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_notify_change [2022-11-26 00:54:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_75 [2022-11-26 00:54:21,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_75 [2022-11-26 00:54:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_dword [2022-11-26 00:54:21,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_dword [2022-11-26 00:54:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-26 00:54:21,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-26 00:54:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:54:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure mark_inode_dirty [2022-11-26 00:54:21,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_inode_dirty [2022-11-26 00:54:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_inode [2022-11-26 00:54:21,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_inode [2022-11-26 00:54:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_del_file_or_subdir [2022-11-26 00:54:21,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_del_file_or_subdir [2022-11-26 00:54:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:54:21,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:54:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_create_new [2022-11-26 00:54:21,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_create_new [2022-11-26 00:54:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-26 00:54:21,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-26 00:54:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-26 00:54:21,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-26 00:54:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_init_request [2022-11-26 00:54:21,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_init_request [2022-11-26 00:54:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure PageUptodate [2022-11-26 00:54:21,060 INFO L138 BoogieDeclarations]: Found implementation of procedure PageUptodate [2022-11-26 00:54:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-26 00:54:21,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-26 00:54:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2022-11-26 00:54:21,060 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2022-11-26 00:54:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure NCP_SBP [2022-11-26 00:54:21,060 INFO L138 BoogieDeclarations]: Found implementation of procedure NCP_SBP [2022-11-26 00:54:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2022-11-26 00:54:21,061 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2022-11-26 00:54:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_hash_dentry [2022-11-26 00:54:21,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_hash_dentry [2022-11-26 00:54:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure load_nls_default [2022-11-26 00:54:21,061 INFO L138 BoogieDeclarations]: Found implementation of procedure load_nls_default [2022-11-26 00:54:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-26 00:54:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-26 00:54:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_open_create_file_or_subdir [2022-11-26 00:54:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_open_create_file_or_subdir [2022-11-26 00:54:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-26 00:54:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-26 00:54:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-26 00:54:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-26 00:54:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:54:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:54:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure WVAL_LH___0 [2022-11-26 00:54:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure WVAL_LH___0 [2022-11-26 00:54:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure d_rehash [2022-11-26 00:54:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure d_rehash [2022-11-26 00:54:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_evict_inode [2022-11-26 00:54:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_evict_inode [2022-11-26 00:54:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_show_options [2022-11-26 00:54:21,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_show_options [2022-11-26 00:54:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-26 00:54:21,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-26 00:54:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-26 00:54:21,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-26 00:54:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure generic_file_llseek [2022-11-26 00:54:21,066 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_file_llseek [2022-11-26 00:54:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_before_release_sock [2022-11-26 00:54:21,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_before_release_sock [2022-11-26 00:54:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_be16 [2022-11-26 00:54:21,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_be16 [2022-11-26 00:54:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_make_closed [2022-11-26 00:54:21,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_make_closed [2022-11-26 00:54:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:54:21,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 00:54:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_del_file_or_subdir2 [2022-11-26 00:54:21,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_del_file_or_subdir2 [2022-11-26 00:54:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_modify_nfs_info [2022-11-26 00:54:21,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_modify_nfs_info [2022-11-26 00:54:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_case_sensitive [2022-11-26 00:54:21,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_case_sensitive [2022-11-26 00:54:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:54:21,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:54:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-26 00:54:21,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-26 00:54:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_inodecache [2022-11-26 00:54:21,069 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_inodecache [2022-11-26 00:54:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:54:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~~loff_t~0~X~~u64~0~X~int~TO~int [2022-11-26 00:54:21,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~~loff_t~0~X~~u64~0~X~int~TO~int [2022-11-26 00:54:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure __ncp_abort_request [2022-11-26 00:54:21,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __ncp_abort_request [2022-11-26 00:54:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2022-11-26 00:54:21,070 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2022-11-26 00:54:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-26 00:54:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_word [2022-11-26 00:54:21,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_word [2022-11-26 00:54:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_dword_lh [2022-11-26 00:54:21,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_dword_lh [2022-11-26 00:54:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:54:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_do_request [2022-11-26 00:54:21,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_do_request [2022-11-26 00:54:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-26 00:54:21,071 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-26 00:54:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_inode_close___3 [2022-11-26 00:54:21,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_inode_close___3 [2022-11-26 00:54:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:54:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_date_unix2dos [2022-11-26 00:54:21,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_date_unix2dos [2022-11-26 00:54:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-26 00:54:21,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-26 00:54:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-26 00:54:21,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-26 00:54:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 00:54:21,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 00:54:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_ren_or_mov_file_or_subdir [2022-11-26 00:54:21,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_ren_or_mov_file_or_subdir [2022-11-26 00:54:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-26 00:54:21,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-26 00:54:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-11-26 00:54:21,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-11-26 00:54:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_creq_mutex_of_NOT_ARG_SIGN [2022-11-26 00:54:21,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_creq_mutex_of_NOT_ARG_SIGN [2022-11-26 00:54:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_request2 [2022-11-26 00:54:21,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_request2 [2022-11-26 00:54:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-26 00:54:21,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-26 00:54:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_init_request_s [2022-11-26 00:54:21,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_init_request_s [2022-11-26 00:54:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-26 00:54:21,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-26 00:54:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-26 00:54:21,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-26 00:54:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_lock_server [2022-11-26 00:54:21,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_lock_server [2022-11-26 00:54:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure DSET_LH [2022-11-26 00:54:21,076 INFO L138 BoogieDeclarations]: Found implementation of procedure DSET_LH [2022-11-26 00:54:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_close_file [2022-11-26 00:54:21,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_close_file [2022-11-26 00:54:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure nwsign [2022-11-26 00:54:21,076 INFO L138 BoogieDeclarations]: Found implementation of procedure nwsign [2022-11-26 00:54:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-11-26 00:54:21,076 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-11-26 00:54:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_known_namespace [2022-11-26 00:54:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_known_namespace [2022-11-26 00:54:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure load_nls [2022-11-26 00:54:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure load_nls [2022-11-26 00:54:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_sock__double_release [2022-11-26 00:54:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_sock__double_release [2022-11-26 00:54:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure DVAL_LH___0 [2022-11-26 00:54:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure DVAL_LH___0 [2022-11-26 00:54:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_readdir [2022-11-26 00:54:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_readdir [2022-11-26 00:54:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-26 00:54:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-26 00:54:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-26 00:54:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-26 00:54:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_read_kernel [2022-11-26 00:54:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_read_kernel [2022-11-26 00:54:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-26 00:54:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-26 00:54:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure rol32 [2022-11-26 00:54:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure rol32 [2022-11-26 00:54:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:54:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:54:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:54:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-26 00:54:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-26 00:54:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 00:54:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 00:54:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_disconnect [2022-11-26 00:54:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_disconnect [2022-11-26 00:54:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure inode_permission [2022-11-26 00:54:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure inode_permission [2022-11-26 00:54:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_extract_file_info [2022-11-26 00:54:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_extract_file_info [2022-11-26 00:54:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_modify_file_or_subdir_dos_info_path [2022-11-26 00:54:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_modify_file_or_subdir_dos_info_path [2022-11-26 00:54:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_put_super [2022-11-26 00:54:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_put_super [2022-11-26 00:54:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_lookup_volume [2022-11-26 00:54:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_lookup_volume [2022-11-26 00:54:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure __ncptcp_try_send [2022-11-26 00:54:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __ncptcp_try_send [2022-11-26 00:54:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-26 00:54:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-26 00:54:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-26 00:54:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-26 00:54:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_mmap [2022-11-26 00:54:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_mmap [2022-11-26 00:54:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_be16 [2022-11-26 00:54:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_be16 [2022-11-26 00:54:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure do_send [2022-11-26 00:54:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure do_send [2022-11-26 00:54:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-26 00:54:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-26 00:54:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_pstring [2022-11-26 00:54:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_pstring [2022-11-26 00:54:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_root_setup_lock_of_ncp_server [2022-11-26 00:54:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_root_setup_lock_of_ncp_server [2022-11-26 00:54:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2022-11-26 00:54:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2022-11-26 00:54:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_obtain_mtime [2022-11-26 00:54:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_obtain_mtime [2022-11-26 00:54:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_unlink [2022-11-26 00:54:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_unlink [2022-11-26 00:54:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_dword [2022-11-26 00:54:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_dword [2022-11-26 00:54:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-11-26 00:54:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-11-26 00:54:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure file_accessed [2022-11-26 00:54:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure file_accessed [2022-11-26 00:54:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2022-11-26 00:54:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2022-11-26 00:54:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_age_dentry [2022-11-26 00:54:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_age_dentry [2022-11-26 00:54:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_handle_path [2022-11-26 00:54:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_handle_path [2022-11-26 00:54:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-11-26 00:54:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-11-26 00:54:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-26 00:54:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-26 00:54:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:54:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-26 00:54:21,088 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-26 00:54:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-26 00:54:21,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-26 00:54:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-26 00:54:21,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-26 00:54:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_iget [2022-11-26 00:54:21,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_iget [2022-11-26 00:54:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 00:54:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 00:54:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_fill_cache [2022-11-26 00:54:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_fill_cache [2022-11-26 00:54:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_stop_tasks [2022-11-26 00:54:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_stop_tasks [2022-11-26 00:54:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_dirent [2022-11-26 00:54:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_dirent [2022-11-26 00:54:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_instantiate [2022-11-26 00:54:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_instantiate [2022-11-26 00:54:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_single_volume [2022-11-26 00:54:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_single_volume [2022-11-26 00:54:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_symlink_readpage [2022-11-26 00:54:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_symlink_readpage [2022-11-26 00:54:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-26 00:54:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-26 00:54:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure DVAL_LH [2022-11-26 00:54:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure DVAL_LH [2022-11-26 00:54:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:54:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:54:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_74 [2022-11-26 00:54:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_74 [2022-11-26 00:54:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_dword_lh [2022-11-26 00:54:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_dword_lh [2022-11-26 00:54:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-26 00:54:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-26 00:54:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:54:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:54:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_siglock_of_sighand_struct [2022-11-26 00:54:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_siglock_of_sighand_struct [2022-11-26 00:54:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-26 00:54:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-26 00:54:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2022-11-26 00:54:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2022-11-26 00:54:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2022-11-26 00:54:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2022-11-26 00:54:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-26 00:54:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-26 00:54:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_req_put [2022-11-26 00:54:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_req_put [2022-11-26 00:54:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-26 00:54:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-26 00:54:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-26 00:54:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-26 00:54:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_conn_valid [2022-11-26 00:54:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_conn_valid [2022-11-26 00:54:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-26 00:54:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-26 00:54:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 00:54:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 00:54:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_be32 [2022-11-26 00:54:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_be32 [2022-11-26 00:54:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_mutex_of_ncp_inode_info [2022-11-26 00:54:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_mutex_of_ncp_inode_info [2022-11-26 00:54:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_finish_request [2022-11-26 00:54:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_finish_request [2022-11-26 00:54:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-26 00:54:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-26 00:54:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_inode2 [2022-11-26 00:54:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_inode2 [2022-11-26 00:54:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:54:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:54:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:54:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2022-11-26 00:54:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2022-11-26 00:54:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-26 00:54:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_unlock_server [2022-11-26 00:54:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_unlock_server [2022-11-26 00:54:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-11-26 00:54:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-11-26 00:54:22,699 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:54:22,707 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:54:22,926 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:54:35,714 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:54:38,754 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:54:38,754 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-11-26 00:54:38,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:54:38 BoogieIcfgContainer [2022-11-26 00:54:38,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:54:38,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:54:38,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:54:38,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:54:38,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:54:09" (1/3) ... [2022-11-26 00:54:38,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a1e2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:54:38, skipping insertion in model container [2022-11-26 00:54:38,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:19" (2/3) ... [2022-11-26 00:54:38,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a1e2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:54:38, skipping insertion in model container [2022-11-26 00:54:38,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:54:38" (3/3) ... [2022-11-26 00:54:38,778 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i [2022-11-26 00:54:38,800 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:54:38,800 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-26 00:54:38,957 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:54:38,966 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;@36b0a872, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:54:38,966 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-11-26 00:54:38,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 3581 states, 2044 states have (on average 1.3087084148727985) internal successors, (2675), 2136 states have internal predecessors, (2675), 1261 states have call successors, (1261), 246 states have call predecessors, (1261), 245 states have return successors, (1252), 1230 states have call predecessors, (1252), 1252 states have call successors, (1252) [2022-11-26 00:54:38,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-26 00:54:38,993 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:38,993 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-26 00:54:38,994 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:54:38,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:39,000 INFO L85 PathProgramCache]: Analyzing trace with hash -2122548548, now seen corresponding path program 1 times [2022-11-26 00:54:39,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:39,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938444767] [2022-11-26 00:54:39,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:39,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:54:40,098 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:40,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938444767] [2022-11-26 00:54:40,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938444767] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:40,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:40,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:54:40,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189754699] [2022-11-26 00:54:40,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:40,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:54:40,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:40,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:54:40,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:54:40,162 INFO L87 Difference]: Start difference. First operand has 3581 states, 2044 states have (on average 1.3087084148727985) internal successors, (2675), 2136 states have internal predecessors, (2675), 1261 states have call successors, (1261), 246 states have call predecessors, (1261), 245 states have return successors, (1252), 1230 states have call predecessors, (1252), 1252 states have call successors, (1252) Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-26 00:54:46,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:46,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:46,149 INFO L93 Difference]: Finished difference Result 7111 states and 10670 transitions. [2022-11-26 00:54:46,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:54:46,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 35 [2022-11-26 00:54:46,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:46,228 INFO L225 Difference]: With dead ends: 7111 [2022-11-26 00:54:46,229 INFO L226 Difference]: Without dead ends: 3534 [2022-11-26 00:54:46,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:54:46,298 INFO L413 NwaCegarLoop]: 4610 mSDtfsCounter, 5082 mSDsluCounter, 4602 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5087 SdHoareTripleChecker+Valid, 9212 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:46,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5087 Valid, 9212 Invalid, 949 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 948 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-11-26 00:54:46,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3534 states. [2022-11-26 00:54:46,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3534 to 3532. [2022-11-26 00:54:46,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3532 states, 2019 states have (on average 1.283308568598316) internal successors, (2591), 2094 states have internal predecessors, (2591), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-26 00:54:46,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3532 states to 3532 states and 5063 transitions. [2022-11-26 00:54:46,814 INFO L78 Accepts]: Start accepts. Automaton has 3532 states and 5063 transitions. Word has length 35 [2022-11-26 00:54:46,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:46,816 INFO L495 AbstractCegarLoop]: Abstraction has 3532 states and 5063 transitions. [2022-11-26 00:54:46,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-26 00:54:46,816 INFO L276 IsEmpty]: Start isEmpty. Operand 3532 states and 5063 transitions. [2022-11-26 00:54:46,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-26 00:54:46,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:46,820 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-26 00:54:46,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:54:46,820 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_for_read_sectionErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:54:46,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:46,821 INFO L85 PathProgramCache]: Analyzing trace with hash 349814328, now seen corresponding path program 1 times [2022-11-26 00:54:46,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:46,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831687806] [2022-11-26 00:54:46,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:46,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:47,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:54:47,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:47,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831687806] [2022-11-26 00:54:47,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831687806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:47,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:47,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:54:47,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245936877] [2022-11-26 00:54:47,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:47,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:54:47,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:47,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:54:47,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:54:47,366 INFO L87 Difference]: Start difference. First operand 3532 states and 5063 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-26 00:54:53,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:53,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:53,937 INFO L93 Difference]: Finished difference Result 3534 states and 5066 transitions. [2022-11-26 00:54:53,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:54:53,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 37 [2022-11-26 00:54:53,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:53,966 INFO L225 Difference]: With dead ends: 3534 [2022-11-26 00:54:53,967 INFO L226 Difference]: Without dead ends: 3532 [2022-11-26 00:54:53,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:54:53,971 INFO L413 NwaCegarLoop]: 4585 mSDtfsCounter, 5049 mSDsluCounter, 4580 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5054 SdHoareTripleChecker+Valid, 9165 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:53,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5054 Valid, 9165 Invalid, 946 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 945 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-11-26 00:54:53,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3532 states. [2022-11-26 00:54:54,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3532 to 3530. [2022-11-26 00:54:54,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3530 states, 2018 states have (on average 1.2829534192269574) internal successors, (2589), 2092 states have internal predecessors, (2589), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-26 00:54:54,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3530 states to 3530 states and 5061 transitions. [2022-11-26 00:54:54,230 INFO L78 Accepts]: Start accepts. Automaton has 3530 states and 5061 transitions. Word has length 37 [2022-11-26 00:54:54,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:54,231 INFO L495 AbstractCegarLoop]: Abstraction has 3530 states and 5061 transitions. [2022-11-26 00:54:54,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-26 00:54:54,232 INFO L276 IsEmpty]: Start isEmpty. Operand 3530 states and 5061 transitions. [2022-11-26 00:54:54,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-26 00:54:54,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:54,240 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-26 00:54:54,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:54:54,241 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:54:54,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:54,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1173807411, now seen corresponding path program 1 times [2022-11-26 00:54:54,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:54,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919094379] [2022-11-26 00:54:54,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:54,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:54:54,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:54,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919094379] [2022-11-26 00:54:54,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919094379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:54,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:54,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:54:54,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985947923] [2022-11-26 00:54:54,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:54,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:54:54,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:54,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:54:54,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:54:54,818 INFO L87 Difference]: Start difference. First operand 3530 states and 5061 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-26 00:55:00,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:00,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:00,756 INFO L93 Difference]: Finished difference Result 3532 states and 5064 transitions. [2022-11-26 00:55:00,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:55:00,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2022-11-26 00:55:00,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:00,782 INFO L225 Difference]: With dead ends: 3532 [2022-11-26 00:55:00,783 INFO L226 Difference]: Without dead ends: 3530 [2022-11-26 00:55:00,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:55:00,787 INFO L413 NwaCegarLoop]: 4583 mSDtfsCounter, 5041 mSDsluCounter, 4581 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5046 SdHoareTripleChecker+Valid, 9164 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:00,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5046 Valid, 9164 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 946 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-11-26 00:55:00,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3530 states. [2022-11-26 00:55:00,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3530 to 3528. [2022-11-26 00:55:01,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3528 states, 2017 states have (on average 1.282597917699554) internal successors, (2587), 2090 states have internal predecessors, (2587), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-26 00:55:01,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3528 states and 5059 transitions. [2022-11-26 00:55:01,025 INFO L78 Accepts]: Start accepts. Automaton has 3528 states and 5059 transitions. Word has length 39 [2022-11-26 00:55:01,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:01,026 INFO L495 AbstractCegarLoop]: Abstraction has 3528 states and 5059 transitions. [2022-11-26 00:55:01,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-26 00:55:01,026 INFO L276 IsEmpty]: Start isEmpty. Operand 3528 states and 5059 transitions. [2022-11-26 00:55:01,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-26 00:55:01,028 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:01,028 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-26 00:55:01,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:55:01,028 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_for_read_sectionErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:55:01,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:01,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1537924703, now seen corresponding path program 1 times [2022-11-26 00:55:01,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:01,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154460741] [2022-11-26 00:55:01,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:01,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:01,596 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:55:01,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:01,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154460741] [2022-11-26 00:55:01,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154460741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:01,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:01,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:55:01,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577594203] [2022-11-26 00:55:01,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:01,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:55:01,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:01,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:55:01,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:55:01,600 INFO L87 Difference]: Start difference. First operand 3528 states and 5059 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-26 00:55:08,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:08,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:08,204 INFO L93 Difference]: Finished difference Result 3530 states and 5062 transitions. [2022-11-26 00:55:08,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:55:08,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2022-11-26 00:55:08,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:08,233 INFO L225 Difference]: With dead ends: 3530 [2022-11-26 00:55:08,234 INFO L226 Difference]: Without dead ends: 3528 [2022-11-26 00:55:08,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:55:08,239 INFO L413 NwaCegarLoop]: 4581 mSDtfsCounter, 5033 mSDsluCounter, 4582 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5038 SdHoareTripleChecker+Valid, 9163 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:08,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5038 Valid, 9163 Invalid, 948 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 947 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-11-26 00:55:08,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3528 states. [2022-11-26 00:55:08,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3528 to 3526. [2022-11-26 00:55:08,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3526 states, 2016 states have (on average 1.2822420634920635) internal successors, (2585), 2088 states have internal predecessors, (2585), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-26 00:55:08,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3526 states to 3526 states and 5057 transitions. [2022-11-26 00:55:08,550 INFO L78 Accepts]: Start accepts. Automaton has 3526 states and 5057 transitions. Word has length 41 [2022-11-26 00:55:08,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:08,551 INFO L495 AbstractCegarLoop]: Abstraction has 3526 states and 5057 transitions. [2022-11-26 00:55:08,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-26 00:55:08,551 INFO L276 IsEmpty]: Start isEmpty. Operand 3526 states and 5057 transitions. [2022-11-26 00:55:08,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-26 00:55:08,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:08,555 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:08,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:55:08,556 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:55:08,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:08,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1578421416, now seen corresponding path program 1 times [2022-11-26 00:55:08,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:08,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646925060] [2022-11-26 00:55:08,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:08,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:08,953 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:55:08,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:08,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646925060] [2022-11-26 00:55:08,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646925060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:08,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:08,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:55:08,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548916568] [2022-11-26 00:55:08,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:08,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:55:08,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:08,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:55:08,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:55:08,957 INFO L87 Difference]: Start difference. First operand 3526 states and 5057 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-26 00:55:14,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:14,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:14,807 INFO L93 Difference]: Finished difference Result 3528 states and 5060 transitions. [2022-11-26 00:55:14,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:55:14,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 49 [2022-11-26 00:55:14,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:14,832 INFO L225 Difference]: With dead ends: 3528 [2022-11-26 00:55:14,832 INFO L226 Difference]: Without dead ends: 3526 [2022-11-26 00:55:14,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:55:14,836 INFO L413 NwaCegarLoop]: 4579 mSDtfsCounter, 5035 mSDsluCounter, 4580 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5039 SdHoareTripleChecker+Valid, 9159 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:14,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5039 Valid, 9159 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 947 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-11-26 00:55:14,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3526 states. [2022-11-26 00:55:15,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3526 to 3524. [2022-11-26 00:55:15,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3524 states, 2015 states have (on average 1.2818858560794044) internal successors, (2583), 2086 states have internal predecessors, (2583), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-26 00:55:15,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3524 states to 3524 states and 5055 transitions. [2022-11-26 00:55:15,108 INFO L78 Accepts]: Start accepts. Automaton has 3524 states and 5055 transitions. Word has length 49 [2022-11-26 00:55:15,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:15,108 INFO L495 AbstractCegarLoop]: Abstraction has 3524 states and 5055 transitions. [2022-11-26 00:55:15,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-26 00:55:15,110 INFO L276 IsEmpty]: Start isEmpty. Operand 3524 states and 5055 transitions. [2022-11-26 00:55:15,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-26 00:55:15,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:15,111 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:15,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:55:15,111 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:55:15,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:15,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1724294130, now seen corresponding path program 1 times [2022-11-26 00:55:15,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:15,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840613983] [2022-11-26 00:55:15,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:15,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:55:15,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:15,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840613983] [2022-11-26 00:55:15,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840613983] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:15,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:15,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:55:15,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236910723] [2022-11-26 00:55:15,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:15,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:55:15,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:15,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:55:15,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:55:15,543 INFO L87 Difference]: Start difference. First operand 3524 states and 5055 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-26 00:55:21,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:21,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:21,274 INFO L93 Difference]: Finished difference Result 3526 states and 5058 transitions. [2022-11-26 00:55:21,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:55:21,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 54 [2022-11-26 00:55:21,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:21,300 INFO L225 Difference]: With dead ends: 3526 [2022-11-26 00:55:21,301 INFO L226 Difference]: Without dead ends: 3524 [2022-11-26 00:55:21,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:55:21,305 INFO L413 NwaCegarLoop]: 4577 mSDtfsCounter, 5032 mSDsluCounter, 4578 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5036 SdHoareTripleChecker+Valid, 9155 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:21,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5036 Valid, 9155 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 947 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-11-26 00:55:21,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3524 states. [2022-11-26 00:55:21,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3524 to 3522. [2022-11-26 00:55:21,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3522 states, 2014 states have (on average 1.2815292949354518) internal successors, (2581), 2084 states have internal predecessors, (2581), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-26 00:55:21,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 3522 states and 5053 transitions. [2022-11-26 00:55:21,642 INFO L78 Accepts]: Start accepts. Automaton has 3522 states and 5053 transitions. Word has length 54 [2022-11-26 00:55:21,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:21,645 INFO L495 AbstractCegarLoop]: Abstraction has 3522 states and 5053 transitions. [2022-11-26 00:55:21,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-26 00:55:21,645 INFO L276 IsEmpty]: Start isEmpty. Operand 3522 states and 5053 transitions. [2022-11-26 00:55:21,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-26 00:55:21,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:21,648 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:21,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:55:21,649 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:55:21,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:21,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1787005869, now seen corresponding path program 1 times [2022-11-26 00:55:21,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:21,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134533157] [2022-11-26 00:55:21,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:21,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:22,060 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:55:22,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:22,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134533157] [2022-11-26 00:55:22,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134533157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:22,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:22,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:55:22,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445433879] [2022-11-26 00:55:22,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:22,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:55:22,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:22,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:55:22,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:55:22,065 INFO L87 Difference]: Start difference. First operand 3522 states and 5053 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 00:55:26,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:28,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:28,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:28,628 INFO L93 Difference]: Finished difference Result 3522 states and 5053 transitions. [2022-11-26 00:55:28,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:55:28,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 59 [2022-11-26 00:55:28,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:28,652 INFO L225 Difference]: With dead ends: 3522 [2022-11-26 00:55:28,652 INFO L226 Difference]: Without dead ends: 3520 [2022-11-26 00:55:28,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:55:28,656 INFO L413 NwaCegarLoop]: 4575 mSDtfsCounter, 5030 mSDsluCounter, 4575 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5032 SdHoareTripleChecker+Valid, 9150 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:28,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5032 Valid, 9150 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 948 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-11-26 00:55:28,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3520 states. [2022-11-26 00:55:28,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3520 to 3520. [2022-11-26 00:55:28,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3520 states, 2013 states have (on average 1.2811723795330352) internal successors, (2579), 2082 states have internal predecessors, (2579), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-26 00:55:29,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3520 states to 3520 states and 5051 transitions. [2022-11-26 00:55:29,008 INFO L78 Accepts]: Start accepts. Automaton has 3520 states and 5051 transitions. Word has length 59 [2022-11-26 00:55:29,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:29,009 INFO L495 AbstractCegarLoop]: Abstraction has 3520 states and 5051 transitions. [2022-11-26 00:55:29,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 00:55:29,010 INFO L276 IsEmpty]: Start isEmpty. Operand 3520 states and 5051 transitions. [2022-11-26 00:55:29,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-26 00:55:29,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:29,011 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:29,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:55:29,012 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:55:29,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:29,012 INFO L85 PathProgramCache]: Analyzing trace with hash -2124060192, now seen corresponding path program 1 times [2022-11-26 00:55:29,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:29,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274053763] [2022-11-26 00:55:29,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:29,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:29,408 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:55:29,408 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:29,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274053763] [2022-11-26 00:55:29,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274053763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:29,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:29,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:55:29,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445674852] [2022-11-26 00:55:29,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:29,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:55:29,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:29,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:55:29,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:55:29,411 INFO L87 Difference]: Start difference. First operand 3520 states and 5051 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-26 00:55:34,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:35,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:35,030 INFO L93 Difference]: Finished difference Result 3522 states and 5054 transitions. [2022-11-26 00:55:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:55:35,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 64 [2022-11-26 00:55:35,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:35,051 INFO L225 Difference]: With dead ends: 3522 [2022-11-26 00:55:35,051 INFO L226 Difference]: Without dead ends: 3520 [2022-11-26 00:55:35,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:55:35,055 INFO L413 NwaCegarLoop]: 4573 mSDtfsCounter, 5026 mSDsluCounter, 4574 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5030 SdHoareTripleChecker+Valid, 9147 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:35,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5030 Valid, 9147 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 947 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-11-26 00:55:35,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3520 states. [2022-11-26 00:55:35,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3520 to 3518. [2022-11-26 00:55:35,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3518 states, 2012 states have (on average 1.2808151093439364) internal successors, (2577), 2080 states have internal predecessors, (2577), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-26 00:55:35,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3518 states to 3518 states and 5049 transitions. [2022-11-26 00:55:35,361 INFO L78 Accepts]: Start accepts. Automaton has 3518 states and 5049 transitions. Word has length 64 [2022-11-26 00:55:35,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:35,361 INFO L495 AbstractCegarLoop]: Abstraction has 3518 states and 5049 transitions. [2022-11-26 00:55:35,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-26 00:55:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3518 states and 5049 transitions. [2022-11-26 00:55:35,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-26 00:55:35,364 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:35,364 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:35,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:55:35,365 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:55:35,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:35,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1186259556, now seen corresponding path program 1 times [2022-11-26 00:55:35,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:35,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463863719] [2022-11-26 00:55:35,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:35,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:36,276 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:55:36,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:36,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463863719] [2022-11-26 00:55:36,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463863719] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:36,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:36,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:55:36,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267805074] [2022-11-26 00:55:36,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:36,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:55:36,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:36,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:55:36,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:55:36,281 INFO L87 Difference]: Start difference. First operand 3518 states and 5049 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 00:55:45,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:45,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:45,569 INFO L93 Difference]: Finished difference Result 6233 states and 9147 transitions. [2022-11-26 00:55:45,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:55:45,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 67 [2022-11-26 00:55:45,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:45,609 INFO L225 Difference]: With dead ends: 6233 [2022-11-26 00:55:45,609 INFO L226 Difference]: Without dead ends: 6231 [2022-11-26 00:55:45,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:55:45,616 INFO L413 NwaCegarLoop]: 6071 mSDtfsCounter, 3959 mSDsluCounter, 16823 mSDsCounter, 0 mSdLazyCounter, 2122 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3965 SdHoareTripleChecker+Valid, 22894 SdHoareTripleChecker+Invalid, 2126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2122 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:45,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3965 Valid, 22894 Invalid, 2126 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2122 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2022-11-26 00:55:45,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6231 states. [2022-11-26 00:55:46,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6231 to 6054. [2022-11-26 00:55:46,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6054 states, 3567 states have (on average 1.2946453602467058) internal successors, (4618), 3665 states have internal predecessors, (4618), 2048 states have call successors, (2048), 417 states have call predecessors, (2048), 413 states have return successors, (2293), 2024 states have call predecessors, (2293), 2046 states have call successors, (2293) [2022-11-26 00:55:46,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6054 states to 6054 states and 8959 transitions. [2022-11-26 00:55:46,156 INFO L78 Accepts]: Start accepts. Automaton has 6054 states and 8959 transitions. Word has length 67 [2022-11-26 00:55:46,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:46,157 INFO L495 AbstractCegarLoop]: Abstraction has 6054 states and 8959 transitions. [2022-11-26 00:55:46,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 00:55:46,157 INFO L276 IsEmpty]: Start isEmpty. Operand 6054 states and 8959 transitions. [2022-11-26 00:55:46,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-26 00:55:46,159 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:46,159 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:46,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:55:46,160 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:55:46,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:46,160 INFO L85 PathProgramCache]: Analyzing trace with hash -33553170, now seen corresponding path program 1 times [2022-11-26 00:55:46,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:46,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982156792] [2022-11-26 00:55:46,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:46,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:46,540 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:55:46,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:46,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982156792] [2022-11-26 00:55:46,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982156792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:46,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:46,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:55:46,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947816003] [2022-11-26 00:55:46,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:46,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:55:46,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:46,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:55:46,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:55:46,544 INFO L87 Difference]: Start difference. First operand 6054 states and 8959 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:55:51,613 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 [] [2022-11-26 00:55:53,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:53,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:53,670 INFO L93 Difference]: Finished difference Result 6054 states and 8959 transitions. [2022-11-26 00:55:53,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:55:53,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 69 [2022-11-26 00:55:53,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:53,703 INFO L225 Difference]: With dead ends: 6054 [2022-11-26 00:55:53,703 INFO L226 Difference]: Without dead ends: 6052 [2022-11-26 00:55:53,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:55:53,709 INFO L413 NwaCegarLoop]: 4571 mSDtfsCounter, 5024 mSDsluCounter, 4571 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5026 SdHoareTripleChecker+Valid, 9142 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:53,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5026 Valid, 9142 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 948 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-11-26 00:55:53,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6052 states. [2022-11-26 00:55:54,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6052 to 6052. [2022-11-26 00:55:54,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6052 states, 3566 states have (on average 1.2944475602916432) internal successors, (4616), 3663 states have internal predecessors, (4616), 2048 states have call successors, (2048), 417 states have call predecessors, (2048), 413 states have return successors, (2293), 2024 states have call predecessors, (2293), 2046 states have call successors, (2293) [2022-11-26 00:55:54,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6052 states to 6052 states and 8957 transitions. [2022-11-26 00:55:54,286 INFO L78 Accepts]: Start accepts. Automaton has 6052 states and 8957 transitions. Word has length 69 [2022-11-26 00:55:54,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:54,287 INFO L495 AbstractCegarLoop]: Abstraction has 6052 states and 8957 transitions. [2022-11-26 00:55:54,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:55:54,288 INFO L276 IsEmpty]: Start isEmpty. Operand 6052 states and 8957 transitions. [2022-11-26 00:55:54,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-26 00:55:54,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:54,290 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:54,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:55:54,290 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:55:54,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:54,291 INFO L85 PathProgramCache]: Analyzing trace with hash -358992852, now seen corresponding path program 1 times [2022-11-26 00:55:54,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:54,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024787913] [2022-11-26 00:55:54,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:54,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:55,071 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:55:55,072 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:55,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024787913] [2022-11-26 00:55:55,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024787913] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:55,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:55,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:55:55,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911323722] [2022-11-26 00:55:55,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:55,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:55:55,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:55,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:55:55,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:55:55,075 INFO L87 Difference]: Start difference. First operand 6052 states and 8957 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 00:56:05,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:05,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:05,207 INFO L93 Difference]: Finished difference Result 6707 states and 9770 transitions. [2022-11-26 00:56:05,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:56:05,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 70 [2022-11-26 00:56:05,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:05,240 INFO L225 Difference]: With dead ends: 6707 [2022-11-26 00:56:05,241 INFO L226 Difference]: Without dead ends: 6705 [2022-11-26 00:56:05,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:56:05,246 INFO L413 NwaCegarLoop]: 5020 mSDtfsCounter, 4924 mSDsluCounter, 10743 mSDsCounter, 0 mSdLazyCounter, 1661 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4931 SdHoareTripleChecker+Valid, 15763 SdHoareTripleChecker+Invalid, 1665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1661 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:05,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4931 Valid, 15763 Invalid, 1665 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1661 Invalid, 1 Unknown, 0 Unchecked, 9.4s Time] [2022-11-26 00:56:05,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6705 states. [2022-11-26 00:56:05,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6705 to 6693. [2022-11-26 00:56:05,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6693 states, 3911 states have (on average 1.281513679365891) internal successors, (5012), 4015 states have internal predecessors, (5012), 2248 states have call successors, (2248), 514 states have call predecessors, (2248), 509 states have return successors, (2501), 2220 states have call predecessors, (2501), 2246 states have call successors, (2501) [2022-11-26 00:56:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6693 states to 6693 states and 9761 transitions. [2022-11-26 00:56:05,827 INFO L78 Accepts]: Start accepts. Automaton has 6693 states and 9761 transitions. Word has length 70 [2022-11-26 00:56:05,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:05,828 INFO L495 AbstractCegarLoop]: Abstraction has 6693 states and 9761 transitions. [2022-11-26 00:56:05,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 00:56:05,828 INFO L276 IsEmpty]: Start isEmpty. Operand 6693 states and 9761 transitions. [2022-11-26 00:56:05,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-26 00:56:05,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:05,836 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:05,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:56:05,836 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:56:05,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:05,837 INFO L85 PathProgramCache]: Analyzing trace with hash -687431419, now seen corresponding path program 1 times [2022-11-26 00:56:05,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:05,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596098228] [2022-11-26 00:56:05,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:05,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:06,718 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:56:06,718 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:06,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596098228] [2022-11-26 00:56:06,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596098228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:06,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:06,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:56:06,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171143614] [2022-11-26 00:56:06,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:06,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:56:06,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:06,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:56:06,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:56:06,721 INFO L87 Difference]: Start difference. First operand 6693 states and 9761 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 00:56:16,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:16,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:16,777 INFO L93 Difference]: Finished difference Result 14359 states and 21211 transitions. [2022-11-26 00:56:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:56:16,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 67 [2022-11-26 00:56:16,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:16,823 INFO L225 Difference]: With dead ends: 14359 [2022-11-26 00:56:16,823 INFO L226 Difference]: Without dead ends: 7672 [2022-11-26 00:56:16,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:56:16,867 INFO L413 NwaCegarLoop]: 4810 mSDtfsCounter, 379 mSDsluCounter, 13935 mSDsCounter, 0 mSdLazyCounter, 2156 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 18745 SdHoareTripleChecker+Invalid, 2157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2156 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:16,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 18745 Invalid, 2157 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2156 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2022-11-26 00:56:16,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7672 states. [2022-11-26 00:56:17,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7672 to 6697. [2022-11-26 00:56:17,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6697 states, 3914 states have (on average 1.2812979049565663) internal successors, (5015), 4018 states have internal predecessors, (5015), 2248 states have call successors, (2248), 514 states have call predecessors, (2248), 510 states have return successors, (2519), 2221 states have call predecessors, (2519), 2246 states have call successors, (2519) [2022-11-26 00:56:17,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6697 states to 6697 states and 9782 transitions. [2022-11-26 00:56:17,664 INFO L78 Accepts]: Start accepts. Automaton has 6697 states and 9782 transitions. Word has length 67 [2022-11-26 00:56:17,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:17,665 INFO L495 AbstractCegarLoop]: Abstraction has 6697 states and 9782 transitions. [2022-11-26 00:56:17,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 00:56:17,665 INFO L276 IsEmpty]: Start isEmpty. Operand 6697 states and 9782 transitions. [2022-11-26 00:56:17,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-26 00:56:17,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:17,668 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:17,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:56:17,668 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:56:17,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:17,669 INFO L85 PathProgramCache]: Analyzing trace with hash -346473505, now seen corresponding path program 1 times [2022-11-26 00:56:17,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:17,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219723044] [2022-11-26 00:56:17,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:17,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:18,044 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:56:18,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:18,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219723044] [2022-11-26 00:56:18,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219723044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:18,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:18,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:56:18,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190486738] [2022-11-26 00:56:18,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:18,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:56:18,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:18,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:56:18,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:56:18,048 INFO L87 Difference]: Start difference. First operand 6697 states and 9782 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:56:24,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:24,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:24,219 INFO L93 Difference]: Finished difference Result 6697 states and 9782 transitions. [2022-11-26 00:56:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:56:24,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 74 [2022-11-26 00:56:24,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:24,253 INFO L225 Difference]: With dead ends: 6697 [2022-11-26 00:56:24,254 INFO L226 Difference]: Without dead ends: 6695 [2022-11-26 00:56:24,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:56:24,259 INFO L413 NwaCegarLoop]: 4569 mSDtfsCounter, 5020 mSDsluCounter, 4570 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5024 SdHoareTripleChecker+Valid, 9139 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:24,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5024 Valid, 9139 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 947 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-11-26 00:56:24,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6695 states. [2022-11-26 00:56:25,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6695 to 6695. [2022-11-26 00:56:25,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6695 states, 3913 states have (on average 1.2811142346026068) internal successors, (5013), 4016 states have internal predecessors, (5013), 2248 states have call successors, (2248), 514 states have call predecessors, (2248), 510 states have return successors, (2519), 2221 states have call predecessors, (2519), 2246 states have call successors, (2519) [2022-11-26 00:56:25,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6695 states to 6695 states and 9780 transitions. [2022-11-26 00:56:25,138 INFO L78 Accepts]: Start accepts. Automaton has 6695 states and 9780 transitions. Word has length 74 [2022-11-26 00:56:25,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:25,139 INFO L495 AbstractCegarLoop]: Abstraction has 6695 states and 9780 transitions. [2022-11-26 00:56:25,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:56:25,139 INFO L276 IsEmpty]: Start isEmpty. Operand 6695 states and 9780 transitions. [2022-11-26 00:56:25,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-26 00:56:25,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:25,142 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:25,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 00:56:25,142 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:56:25,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:25,143 INFO L85 PathProgramCache]: Analyzing trace with hash -395623126, now seen corresponding path program 1 times [2022-11-26 00:56:25,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:25,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180255998] [2022-11-26 00:56:25,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:25,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:25,608 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:56:25,608 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:25,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180255998] [2022-11-26 00:56:25,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180255998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:25,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:25,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:56:25,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255312989] [2022-11-26 00:56:25,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:25,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:56:25,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:25,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:56:25,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:56:25,611 INFO L87 Difference]: Start difference. First operand 6695 states and 9780 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:56:31,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:31,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:31,397 INFO L93 Difference]: Finished difference Result 6695 states and 9780 transitions. [2022-11-26 00:56:31,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:56:31,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 79 [2022-11-26 00:56:31,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:31,427 INFO L225 Difference]: With dead ends: 6695 [2022-11-26 00:56:31,427 INFO L226 Difference]: Without dead ends: 6693 [2022-11-26 00:56:31,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:56:31,433 INFO L413 NwaCegarLoop]: 4567 mSDtfsCounter, 5017 mSDsluCounter, 4568 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5021 SdHoareTripleChecker+Valid, 9135 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:31,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5021 Valid, 9135 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 947 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-11-26 00:56:31,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6693 states. [2022-11-26 00:56:32,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6693 to 6693. [2022-11-26 00:56:32,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6693 states, 3912 states have (on average 1.2809304703476483) internal successors, (5011), 4014 states have internal predecessors, (5011), 2248 states have call successors, (2248), 514 states have call predecessors, (2248), 510 states have return successors, (2519), 2221 states have call predecessors, (2519), 2246 states have call successors, (2519) [2022-11-26 00:56:32,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6693 states to 6693 states and 9778 transitions. [2022-11-26 00:56:32,352 INFO L78 Accepts]: Start accepts. Automaton has 6693 states and 9778 transitions. Word has length 79 [2022-11-26 00:56:32,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:32,353 INFO L495 AbstractCegarLoop]: Abstraction has 6693 states and 9778 transitions. [2022-11-26 00:56:32,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:56:32,354 INFO L276 IsEmpty]: Start isEmpty. Operand 6693 states and 9778 transitions. [2022-11-26 00:56:32,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-26 00:56:32,355 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:32,356 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:32,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-26 00:56:32,356 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:56:32,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:32,357 INFO L85 PathProgramCache]: Analyzing trace with hash 430009275, now seen corresponding path program 1 times [2022-11-26 00:56:32,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:32,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228258728] [2022-11-26 00:56:32,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:32,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:33,434 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-26 00:56:33,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:33,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228258728] [2022-11-26 00:56:33,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228258728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:33,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:33,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:56:33,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828636242] [2022-11-26 00:56:33,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:33,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:56:33,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:33,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:56:33,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:56:33,437 INFO L87 Difference]: Start difference. First operand 6693 states and 9778 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:56:48,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:50,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:52,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:52,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:52,537 INFO L93 Difference]: Finished difference Result 6693 states and 9778 transitions. [2022-11-26 00:56:52,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:56:52,538 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 80 [2022-11-26 00:56:52,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:52,567 INFO L225 Difference]: With dead ends: 6693 [2022-11-26 00:56:52,567 INFO L226 Difference]: Without dead ends: 6691 [2022-11-26 00:56:52,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:56:52,573 INFO L413 NwaCegarLoop]: 4566 mSDtfsCounter, 5017 mSDsluCounter, 11218 mSDsCounter, 0 mSdLazyCounter, 4365 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5022 SdHoareTripleChecker+Valid, 15784 SdHoareTripleChecker+Invalid, 4368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4365 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:52,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5022 Valid, 15784 Invalid, 4368 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 4365 Invalid, 3 Unknown, 0 Unchecked, 17.9s Time] [2022-11-26 00:56:52,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6691 states. [2022-11-26 00:56:53,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6691 to 6691. [2022-11-26 00:56:53,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6691 states, 3911 states have (on average 1.28023523395551) internal successors, (5007), 4012 states have internal predecessors, (5007), 2248 states have call successors, (2248), 514 states have call predecessors, (2248), 510 states have return successors, (2519), 2221 states have call predecessors, (2519), 2246 states have call successors, (2519) [2022-11-26 00:56:53,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 9774 transitions. [2022-11-26 00:56:53,378 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 9774 transitions. Word has length 80 [2022-11-26 00:56:53,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:53,378 INFO L495 AbstractCegarLoop]: Abstraction has 6691 states and 9774 transitions. [2022-11-26 00:56:53,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:56:53,379 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 9774 transitions. [2022-11-26 00:56:53,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-26 00:56:53,382 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:53,383 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:53,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 00:56:53,383 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:56:53,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:53,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1021873923, now seen corresponding path program 1 times [2022-11-26 00:56:53,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:53,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759343989] [2022-11-26 00:56:53,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:53,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:53,803 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:56:53,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:53,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759343989] [2022-11-26 00:56:53,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759343989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:53,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:53,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:56:53,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985464218] [2022-11-26 00:56:53,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:53,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:56:53,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:53,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:56:53,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:56:53,806 INFO L87 Difference]: Start difference. First operand 6691 states and 9774 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:57:00,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:00,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:00,770 INFO L93 Difference]: Finished difference Result 6691 states and 9774 transitions. [2022-11-26 00:57:00,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:57:00,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2022-11-26 00:57:00,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:00,806 INFO L225 Difference]: With dead ends: 6691 [2022-11-26 00:57:00,807 INFO L226 Difference]: Without dead ends: 6689 [2022-11-26 00:57:00,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:57:00,813 INFO L413 NwaCegarLoop]: 4563 mSDtfsCounter, 5016 mSDsluCounter, 4560 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5020 SdHoareTripleChecker+Valid, 9123 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:00,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5020 Valid, 9123 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 947 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-11-26 00:57:00,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6689 states. [2022-11-26 00:57:01,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6689 to 6689. [2022-11-26 00:57:01,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6689 states, 3910 states have (on average 1.2800511508951407) internal successors, (5005), 4010 states have internal predecessors, (5005), 2248 states have call successors, (2248), 514 states have call predecessors, (2248), 510 states have return successors, (2519), 2221 states have call predecessors, (2519), 2246 states have call successors, (2519) [2022-11-26 00:57:01,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6689 states to 6689 states and 9772 transitions. [2022-11-26 00:57:01,664 INFO L78 Accepts]: Start accepts. Automaton has 6689 states and 9772 transitions. Word has length 84 [2022-11-26 00:57:01,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:01,665 INFO L495 AbstractCegarLoop]: Abstraction has 6689 states and 9772 transitions. [2022-11-26 00:57:01,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:57:01,665 INFO L276 IsEmpty]: Start isEmpty. Operand 6689 states and 9772 transitions. [2022-11-26 00:57:01,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-26 00:57:01,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:01,668 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:01,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-26 00:57:01,668 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:57:01,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:01,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1290491955, now seen corresponding path program 1 times [2022-11-26 00:57:01,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:01,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235066083] [2022-11-26 00:57:01,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:01,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:01,940 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-26 00:57:01,940 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:01,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235066083] [2022-11-26 00:57:01,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235066083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:01,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:01,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:57:01,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335461660] [2022-11-26 00:57:01,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:01,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:57:01,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:01,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:57:01,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:57:01,943 INFO L87 Difference]: Start difference. First operand 6689 states and 9772 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:57:06,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:06,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:06,475 INFO L93 Difference]: Finished difference Result 13351 states and 19984 transitions. [2022-11-26 00:57:06,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:57:06,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 83 [2022-11-26 00:57:06,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:06,507 INFO L225 Difference]: With dead ends: 13351 [2022-11-26 00:57:06,508 INFO L226 Difference]: Without dead ends: 6681 [2022-11-26 00:57:06,561 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 [2022-11-26 00:57:06,562 INFO L413 NwaCegarLoop]: 4558 mSDtfsCounter, 5002 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5002 SdHoareTripleChecker+Valid, 4558 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:06,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5002 Valid, 4558 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-26 00:57:06,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6681 states. [2022-11-26 00:57:07,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6681 to 6681. [2022-11-26 00:57:07,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6681 states, 3903 states have (on average 1.2790161414296695) internal successors, (4992), 4002 states have internal predecessors, (4992), 2248 states have call successors, (2248), 514 states have call predecessors, (2248), 510 states have return successors, (2519), 2221 states have call predecessors, (2519), 2246 states have call successors, (2519) [2022-11-26 00:57:07,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6681 states to 6681 states and 9759 transitions. [2022-11-26 00:57:07,591 INFO L78 Accepts]: Start accepts. Automaton has 6681 states and 9759 transitions. Word has length 83 [2022-11-26 00:57:07,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:07,592 INFO L495 AbstractCegarLoop]: Abstraction has 6681 states and 9759 transitions. [2022-11-26 00:57:07,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:57:07,592 INFO L276 IsEmpty]: Start isEmpty. Operand 6681 states and 9759 transitions. [2022-11-26 00:57:07,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-26 00:57:07,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:07,594 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:07,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 00:57:07,594 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:57:07,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:07,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1526381114, now seen corresponding path program 1 times [2022-11-26 00:57:07,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:07,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166642267] [2022-11-26 00:57:07,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:07,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:07,935 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:57:07,935 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:07,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166642267] [2022-11-26 00:57:07,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166642267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:07,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:07,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:57:07,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903363961] [2022-11-26 00:57:07,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:07,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:57:07,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:07,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:57:07,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:57:07,938 INFO L87 Difference]: Start difference. First operand 6681 states and 9759 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:57:12,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:14,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:14,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:14,987 INFO L93 Difference]: Finished difference Result 6681 states and 9759 transitions. [2022-11-26 00:57:14,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:57:14,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 86 [2022-11-26 00:57:14,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:15,009 INFO L225 Difference]: With dead ends: 6681 [2022-11-26 00:57:15,009 INFO L226 Difference]: Without dead ends: 6679 [2022-11-26 00:57:15,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:57:15,013 INFO L413 NwaCegarLoop]: 4556 mSDtfsCounter, 5004 mSDsluCounter, 4556 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5006 SdHoareTripleChecker+Valid, 9112 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:15,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5006 Valid, 9112 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 948 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-11-26 00:57:15,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6679 states. [2022-11-26 00:57:15,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6679 to 6679. [2022-11-26 00:57:15,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6679 states, 3902 states have (on average 1.2788313685289594) internal successors, (4990), 4000 states have internal predecessors, (4990), 2248 states have call successors, (2248), 514 states have call predecessors, (2248), 510 states have return successors, (2519), 2221 states have call predecessors, (2519), 2246 states have call successors, (2519) [2022-11-26 00:57:15,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6679 states to 6679 states and 9757 transitions. [2022-11-26 00:57:15,880 INFO L78 Accepts]: Start accepts. Automaton has 6679 states and 9757 transitions. Word has length 86 [2022-11-26 00:57:15,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:15,880 INFO L495 AbstractCegarLoop]: Abstraction has 6679 states and 9757 transitions. [2022-11-26 00:57:15,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:57:15,881 INFO L276 IsEmpty]: Start isEmpty. Operand 6679 states and 9757 transitions. [2022-11-26 00:57:15,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-26 00:57:15,883 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:15,884 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:15,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-26 00:57:15,884 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:57:15,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:15,885 INFO L85 PathProgramCache]: Analyzing trace with hash 362178353, now seen corresponding path program 1 times [2022-11-26 00:57:15,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:15,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519842566] [2022-11-26 00:57:15,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:15,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:16,225 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:57:16,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:16,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519842566] [2022-11-26 00:57:16,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519842566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:16,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:16,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:57:16,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584099085] [2022-11-26 00:57:16,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:16,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:57:16,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:16,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:57:16,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:57:16,229 INFO L87 Difference]: Start difference. First operand 6679 states and 9757 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-26 00:57:23,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:23,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:23,118 INFO L93 Difference]: Finished difference Result 6679 states and 9757 transitions. [2022-11-26 00:57:23,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:57:23,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 91 [2022-11-26 00:57:23,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:23,144 INFO L225 Difference]: With dead ends: 6679 [2022-11-26 00:57:23,144 INFO L226 Difference]: Without dead ends: 6677 [2022-11-26 00:57:23,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:57:23,148 INFO L413 NwaCegarLoop]: 4554 mSDtfsCounter, 5002 mSDsluCounter, 4555 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5006 SdHoareTripleChecker+Valid, 9109 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:23,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5006 Valid, 9109 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 947 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-26 00:57:23,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6677 states. [2022-11-26 00:57:24,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6677 to 6677. [2022-11-26 00:57:24,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6677 states, 3901 states have (on average 1.2786465008972059) internal successors, (4988), 3998 states have internal predecessors, (4988), 2248 states have call successors, (2248), 514 states have call predecessors, (2248), 510 states have return successors, (2519), 2221 states have call predecessors, (2519), 2246 states have call successors, (2519) [2022-11-26 00:57:24,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6677 states to 6677 states and 9755 transitions. [2022-11-26 00:57:24,066 INFO L78 Accepts]: Start accepts. Automaton has 6677 states and 9755 transitions. Word has length 91 [2022-11-26 00:57:24,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:24,067 INFO L495 AbstractCegarLoop]: Abstraction has 6677 states and 9755 transitions. [2022-11-26 00:57:24,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-26 00:57:24,067 INFO L276 IsEmpty]: Start isEmpty. Operand 6677 states and 9755 transitions. [2022-11-26 00:57:24,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-26 00:57:24,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:24,069 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:24,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-26 00:57:24,069 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:57:24,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:24,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1353353360, now seen corresponding path program 1 times [2022-11-26 00:57:24,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:24,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454691435] [2022-11-26 00:57:24,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:24,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:24,410 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:57:24,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:24,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454691435] [2022-11-26 00:57:24,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454691435] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:24,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:24,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:57:24,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742861965] [2022-11-26 00:57:24,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:24,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:57:24,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:24,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:57:24,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:57:24,413 INFO L87 Difference]: Start difference. First operand 6677 states and 9755 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-26 00:57:30,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:31,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:31,071 INFO L93 Difference]: Finished difference Result 6677 states and 9755 transitions. [2022-11-26 00:57:31,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:57:31,072 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 96 [2022-11-26 00:57:31,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:31,094 INFO L225 Difference]: With dead ends: 6677 [2022-11-26 00:57:31,095 INFO L226 Difference]: Without dead ends: 6675 [2022-11-26 00:57:31,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:57:31,099 INFO L413 NwaCegarLoop]: 4551 mSDtfsCounter, 4999 mSDsluCounter, 4552 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5003 SdHoareTripleChecker+Valid, 9103 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:31,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5003 Valid, 9103 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 949 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-11-26 00:57:31,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6675 states. [2022-11-26 00:57:31,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6675 to 6675. [2022-11-26 00:57:31,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6675 states, 3900 states have (on average 1.2784615384615385) internal successors, (4986), 3996 states have internal predecessors, (4986), 2248 states have call successors, (2248), 514 states have call predecessors, (2248), 510 states have return successors, (2519), 2221 states have call predecessors, (2519), 2246 states have call successors, (2519) [2022-11-26 00:57:31,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6675 states to 6675 states and 9753 transitions. [2022-11-26 00:57:31,933 INFO L78 Accepts]: Start accepts. Automaton has 6675 states and 9753 transitions. Word has length 96 [2022-11-26 00:57:31,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:31,934 INFO L495 AbstractCegarLoop]: Abstraction has 6675 states and 9753 transitions. [2022-11-26 00:57:31,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-26 00:57:31,934 INFO L276 IsEmpty]: Start isEmpty. Operand 6675 states and 9753 transitions. [2022-11-26 00:57:31,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-26 00:57:31,935 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:31,935 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:31,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-26 00:57:31,936 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:57:31,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:31,936 INFO L85 PathProgramCache]: Analyzing trace with hash 150115108, now seen corresponding path program 1 times [2022-11-26 00:57:31,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:31,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914230000] [2022-11-26 00:57:31,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:31,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:32,621 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-26 00:57:32,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:32,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914230000] [2022-11-26 00:57:32,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914230000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:32,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:32,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:57:32,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721112957] [2022-11-26 00:57:32,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:32,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:57:32,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:32,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:57:32,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:57:32,626 INFO L87 Difference]: Start difference. First operand 6675 states and 9753 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-26 00:57:45,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:47,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:49,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:49,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:49,157 INFO L93 Difference]: Finished difference Result 6847 states and 9934 transitions. [2022-11-26 00:57:49,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:57:49,158 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 102 [2022-11-26 00:57:49,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:49,181 INFO L225 Difference]: With dead ends: 6847 [2022-11-26 00:57:49,181 INFO L226 Difference]: Without dead ends: 6845 [2022-11-26 00:57:49,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:57:49,187 INFO L413 NwaCegarLoop]: 7574 mSDtfsCounter, 5131 mSDsluCounter, 18702 mSDsCounter, 0 mSdLazyCounter, 2813 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5132 SdHoareTripleChecker+Valid, 26276 SdHoareTripleChecker+Invalid, 2816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2813 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:49,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5132 Valid, 26276 Invalid, 2816 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2813 Invalid, 3 Unknown, 0 Unchecked, 15.1s Time] [2022-11-26 00:57:49,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6845 states. [2022-11-26 00:57:49,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6845 to 6683. [2022-11-26 00:57:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6683 states, 3907 states have (on average 1.2779626311748145) internal successors, (4993), 4001 states have internal predecessors, (4993), 2248 states have call successors, (2248), 516 states have call predecessors, (2248), 511 states have return successors, (2515), 2222 states have call predecessors, (2515), 2246 states have call successors, (2515) [2022-11-26 00:57:50,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6683 states to 6683 states and 9756 transitions. [2022-11-26 00:57:50,005 INFO L78 Accepts]: Start accepts. Automaton has 6683 states and 9756 transitions. Word has length 102 [2022-11-26 00:57:50,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:50,006 INFO L495 AbstractCegarLoop]: Abstraction has 6683 states and 9756 transitions. [2022-11-26 00:57:50,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-26 00:57:50,006 INFO L276 IsEmpty]: Start isEmpty. Operand 6683 states and 9756 transitions. [2022-11-26 00:57:50,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-26 00:57:50,008 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:50,008 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:50,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-26 00:57:50,009 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:57:50,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:50,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1816690731, now seen corresponding path program 1 times [2022-11-26 00:57:50,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:50,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739054999] [2022-11-26 00:57:50,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:50,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:50,778 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-26 00:57:50,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:50,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739054999] [2022-11-26 00:57:50,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739054999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:50,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:50,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:57:50,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596974001] [2022-11-26 00:57:50,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:50,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:57:50,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:50,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:57:50,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:57:50,784 INFO L87 Difference]: Start difference. First operand 6683 states and 9756 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-26 00:57:57,178 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 [] [2022-11-26 00:57:59,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:01,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:01,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:58:01,278 INFO L93 Difference]: Finished difference Result 6705 states and 9772 transitions. [2022-11-26 00:58:01,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:58:01,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 104 [2022-11-26 00:58:01,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:58:01,303 INFO L225 Difference]: With dead ends: 6705 [2022-11-26 00:58:01,304 INFO L226 Difference]: Without dead ends: 6703 [2022-11-26 00:58:01,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:58:01,309 INFO L413 NwaCegarLoop]: 4556 mSDtfsCounter, 4947 mSDsluCounter, 9161 mSDsCounter, 0 mSdLazyCounter, 1436 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4949 SdHoareTripleChecker+Valid, 13717 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1436 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:58:01,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4949 Valid, 13717 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1436 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2022-11-26 00:58:01,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6703 states. [2022-11-26 00:58:02,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6703 to 6701. [2022-11-26 00:58:02,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6701 states, 3919 states have (on average 1.2771115080377646) internal successors, (5005), 4013 states have internal predecessors, (5005), 2248 states have call successors, (2248), 522 states have call predecessors, (2248), 517 states have return successors, (2515), 2222 states have call predecessors, (2515), 2246 states have call successors, (2515) [2022-11-26 00:58:02,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6701 states to 6701 states and 9768 transitions. [2022-11-26 00:58:02,097 INFO L78 Accepts]: Start accepts. Automaton has 6701 states and 9768 transitions. Word has length 104 [2022-11-26 00:58:02,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:58:02,097 INFO L495 AbstractCegarLoop]: Abstraction has 6701 states and 9768 transitions. [2022-11-26 00:58:02,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-26 00:58:02,097 INFO L276 IsEmpty]: Start isEmpty. Operand 6701 states and 9768 transitions. [2022-11-26 00:58:02,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-26 00:58:02,099 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:58:02,099 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:58:02,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-26 00:58:02,099 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:58:02,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:58:02,100 INFO L85 PathProgramCache]: Analyzing trace with hash 275721439, now seen corresponding path program 1 times [2022-11-26 00:58:02,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:58:02,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907037529] [2022-11-26 00:58:02,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:02,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:58:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:58:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:58:02,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:58:02,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907037529] [2022-11-26 00:58:02,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907037529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:58:02,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:58:02,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:58:02,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940738530] [2022-11-26 00:58:02,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:58:02,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:58:02,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:58:02,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:58:02,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:58:02,456 INFO L87 Difference]: Start difference. First operand 6701 states and 9768 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-26 00:58:08,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:10,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:10,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:58:10,501 INFO L93 Difference]: Finished difference Result 6701 states and 9768 transitions. [2022-11-26 00:58:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:58:10,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 101 [2022-11-26 00:58:10,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:58:10,525 INFO L225 Difference]: With dead ends: 6701 [2022-11-26 00:58:10,525 INFO L226 Difference]: Without dead ends: 6699 [2022-11-26 00:58:10,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:58:10,529 INFO L413 NwaCegarLoop]: 4550 mSDtfsCounter, 4997 mSDsluCounter, 4550 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4999 SdHoareTripleChecker+Valid, 9100 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:58:10,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4999 Valid, 9100 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 948 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-11-26 00:58:10,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6699 states. [2022-11-26 00:58:11,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6699 to 6699. [2022-11-26 00:58:11,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6699 states, 3918 states have (on average 1.2769270035732516) internal successors, (5003), 4011 states have internal predecessors, (5003), 2248 states have call successors, (2248), 522 states have call predecessors, (2248), 517 states have return successors, (2515), 2222 states have call predecessors, (2515), 2246 states have call successors, (2515) [2022-11-26 00:58:11,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6699 states to 6699 states and 9766 transitions. [2022-11-26 00:58:11,304 INFO L78 Accepts]: Start accepts. Automaton has 6699 states and 9766 transitions. Word has length 101 [2022-11-26 00:58:11,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:58:11,305 INFO L495 AbstractCegarLoop]: Abstraction has 6699 states and 9766 transitions. [2022-11-26 00:58:11,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-26 00:58:11,305 INFO L276 IsEmpty]: Start isEmpty. Operand 6699 states and 9766 transitions. [2022-11-26 00:58:11,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-26 00:58:11,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:58:11,307 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:58:11,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-26 00:58:11,307 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:58:11,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:58:11,308 INFO L85 PathProgramCache]: Analyzing trace with hash 19365162, now seen corresponding path program 1 times [2022-11-26 00:58:11,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:58:11,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130725351] [2022-11-26 00:58:11,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:11,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:58:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:58:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-26 00:58:11,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:58:11,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130725351] [2022-11-26 00:58:11,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130725351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:58:11,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:58:11,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:58:11,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821589481] [2022-11-26 00:58:11,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:58:11,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:58:11,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:58:11,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:58:11,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:58:11,883 INFO L87 Difference]: Start difference. First operand 6699 states and 9766 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, (23), 3 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-26 00:58:23,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:23,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:58:23,754 INFO L93 Difference]: Finished difference Result 6711 states and 9774 transitions. [2022-11-26 00:58:23,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:58:23,755 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, (23), 3 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 106 [2022-11-26 00:58:23,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:58:23,778 INFO L225 Difference]: With dead ends: 6711 [2022-11-26 00:58:23,779 INFO L226 Difference]: Without dead ends: 6709 [2022-11-26 00:58:23,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:58:23,784 INFO L413 NwaCegarLoop]: 5113 mSDtfsCounter, 792 mSDsluCounter, 14680 mSDsCounter, 0 mSdLazyCounter, 2139 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 19793 SdHoareTripleChecker+Invalid, 2140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2139 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:58:23,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 19793 Invalid, 2140 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2139 Invalid, 1 Unknown, 0 Unchecked, 10.7s Time] [2022-11-26 00:58:23,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6709 states. [2022-11-26 00:58:24,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6709 to 6703. [2022-11-26 00:58:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6703 states, 3921 states have (on average 1.2764600867125733) internal successors, (5005), 4014 states have internal predecessors, (5005), 2248 states have call successors, (2248), 523 states have call predecessors, (2248), 518 states have return successors, (2515), 2222 states have call predecessors, (2515), 2246 states have call successors, (2515) [2022-11-26 00:58:24,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6703 states to 6703 states and 9768 transitions. [2022-11-26 00:58:24,536 INFO L78 Accepts]: Start accepts. Automaton has 6703 states and 9768 transitions. Word has length 106 [2022-11-26 00:58:24,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:58:24,536 INFO L495 AbstractCegarLoop]: Abstraction has 6703 states and 9768 transitions. [2022-11-26 00:58:24,536 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, (23), 3 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-26 00:58:24,537 INFO L276 IsEmpty]: Start isEmpty. Operand 6703 states and 9768 transitions. [2022-11-26 00:58:24,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-26 00:58:24,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:58:24,540 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:58:24,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-26 00:58:24,541 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:58:24,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:58:24,541 INFO L85 PathProgramCache]: Analyzing trace with hash 2110905678, now seen corresponding path program 1 times [2022-11-26 00:58:24,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:58:24,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213943574] [2022-11-26 00:58:24,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:24,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:58:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:58:24,866 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:58:24,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:58:24,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213943574] [2022-11-26 00:58:24,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213943574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:58:24,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:58:24,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:58:24,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99209768] [2022-11-26 00:58:24,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:58:24,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:58:24,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:58:24,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:58:24,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:58:24,869 INFO L87 Difference]: Start difference. First operand 6703 states and 9768 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-26 00:58:31,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:31,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:58:31,423 INFO L93 Difference]: Finished difference Result 6707 states and 9774 transitions. [2022-11-26 00:58:31,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:58:31,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 106 [2022-11-26 00:58:31,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:58:31,444 INFO L225 Difference]: With dead ends: 6707 [2022-11-26 00:58:31,445 INFO L226 Difference]: Without dead ends: 6705 [2022-11-26 00:58:31,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:58:31,449 INFO L413 NwaCegarLoop]: 4548 mSDtfsCounter, 4993 mSDsluCounter, 4549 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4997 SdHoareTripleChecker+Valid, 9097 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:58:31,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4997 Valid, 9097 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 947 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-11-26 00:58:31,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6705 states. [2022-11-26 00:58:32,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6705 to 6701. [2022-11-26 00:58:32,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6701 states, 3920 states have (on average 1.2762755102040817) internal successors, (5003), 4012 states have internal predecessors, (5003), 2248 states have call successors, (2248), 523 states have call predecessors, (2248), 518 states have return successors, (2515), 2222 states have call predecessors, (2515), 2246 states have call successors, (2515) [2022-11-26 00:58:32,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6701 states to 6701 states and 9766 transitions. [2022-11-26 00:58:32,179 INFO L78 Accepts]: Start accepts. Automaton has 6701 states and 9766 transitions. Word has length 106 [2022-11-26 00:58:32,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:58:32,180 INFO L495 AbstractCegarLoop]: Abstraction has 6701 states and 9766 transitions. [2022-11-26 00:58:32,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-26 00:58:32,180 INFO L276 IsEmpty]: Start isEmpty. Operand 6701 states and 9766 transitions. [2022-11-26 00:58:32,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-26 00:58:32,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:58:32,183 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:58:32,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-26 00:58:32,183 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_net_sock__double_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:58:32,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:58:32,184 INFO L85 PathProgramCache]: Analyzing trace with hash -26294806, now seen corresponding path program 1 times [2022-11-26 00:58:32,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:58:32,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360013463] [2022-11-26 00:58:32,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:32,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:58:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:58:33,125 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-26 00:58:33,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:58:33,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360013463] [2022-11-26 00:58:33,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360013463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:58:33,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:58:33,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:58:33,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155035455] [2022-11-26 00:58:33,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:58:33,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:58:33,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:58:33,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:58:33,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:58:33,127 INFO L87 Difference]: Start difference. First operand 6701 states and 9766 transitions. Second operand has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 00:59:14,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:17,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:17,267 INFO L93 Difference]: Finished difference Result 13283 states and 19384 transitions. [2022-11-26 00:59:17,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:59:17,268 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 111 [2022-11-26 00:59:17,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:17,316 INFO L225 Difference]: With dead ends: 13283 [2022-11-26 00:59:17,317 INFO L226 Difference]: Without dead ends: 13281 [2022-11-26 00:59:17,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:59:17,323 INFO L413 NwaCegarLoop]: 4792 mSDtfsCounter, 7985 mSDsluCounter, 10362 mSDsCounter, 0 mSdLazyCounter, 15496 mSolverCounterSat, 287 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8947 SdHoareTripleChecker+Valid, 15154 SdHoareTripleChecker+Invalid, 15784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 15496 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:17,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8947 Valid, 15154 Invalid, 15784 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [287 Valid, 15496 Invalid, 1 Unknown, 0 Unchecked, 40.9s Time] [2022-11-26 00:59:17,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13281 states. [2022-11-26 00:59:18,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13281 to 13123. [2022-11-26 00:59:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13123 states, 7693 states have (on average 1.2794748472637463) internal successors, (9843), 7866 states have internal predecessors, (9843), 4415 states have call successors, (4415), 1014 states have call predecessors, (4415), 1000 states have return successors, (4937), 4355 states have call predecessors, (4937), 4413 states have call successors, (4937) [2022-11-26 00:59:18,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13123 states to 13123 states and 19195 transitions. [2022-11-26 00:59:18,867 INFO L78 Accepts]: Start accepts. Automaton has 13123 states and 19195 transitions. Word has length 111 [2022-11-26 00:59:18,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:18,867 INFO L495 AbstractCegarLoop]: Abstraction has 13123 states and 19195 transitions. [2022-11-26 00:59:18,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 00:59:18,867 INFO L276 IsEmpty]: Start isEmpty. Operand 13123 states and 19195 transitions. [2022-11-26 00:59:18,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-26 00:59:18,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:18,870 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:18,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-26 00:59:18,871 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:59:18,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:18,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1438277290, now seen corresponding path program 1 times [2022-11-26 00:59:18,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:18,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100533686] [2022-11-26 00:59:18,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:18,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:19,201 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:59:19,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:19,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100533686] [2022-11-26 00:59:19,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100533686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:19,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:19,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:59:19,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013612897] [2022-11-26 00:59:19,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:19,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:59:19,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:19,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:59:19,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:59:19,204 INFO L87 Difference]: Start difference. First operand 13123 states and 19195 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 00:59:26,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:26,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:26,923 INFO L93 Difference]: Finished difference Result 13127 states and 19201 transitions. [2022-11-26 00:59:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:59:26,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 111 [2022-11-26 00:59:26,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:26,970 INFO L225 Difference]: With dead ends: 13127 [2022-11-26 00:59:26,970 INFO L226 Difference]: Without dead ends: 13125 [2022-11-26 00:59:26,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:59:26,976 INFO L413 NwaCegarLoop]: 4546 mSDtfsCounter, 4990 mSDsluCounter, 4547 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4994 SdHoareTripleChecker+Valid, 9093 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:26,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4994 Valid, 9093 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 947 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-11-26 00:59:26,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13125 states. [2022-11-26 00:59:28,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13125 to 13125. [2022-11-26 00:59:28,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13125 states, 7694 states have (on average 1.279308552118534) internal successors, (9843), 7868 states have internal predecessors, (9843), 4415 states have call successors, (4415), 1014 states have call predecessors, (4415), 1002 states have return successors, (4941), 4355 states have call predecessors, (4941), 4413 states have call successors, (4941) [2022-11-26 00:59:28,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13125 states to 13125 states and 19199 transitions. [2022-11-26 00:59:28,572 INFO L78 Accepts]: Start accepts. Automaton has 13125 states and 19199 transitions. Word has length 111 [2022-11-26 00:59:28,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:28,572 INFO L495 AbstractCegarLoop]: Abstraction has 13125 states and 19199 transitions. [2022-11-26 00:59:28,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 00:59:28,572 INFO L276 IsEmpty]: Start isEmpty. Operand 13125 states and 19199 transitions. [2022-11-26 00:59:28,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-26 00:59:28,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:28,576 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:28,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-26 00:59:28,576 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:59:28,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:28,577 INFO L85 PathProgramCache]: Analyzing trace with hash -629582893, now seen corresponding path program 1 times [2022-11-26 00:59:28,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:28,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076724960] [2022-11-26 00:59:28,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:28,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:28,963 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:59:28,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:28,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076724960] [2022-11-26 00:59:28,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076724960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:28,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:28,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:59:28,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759800965] [2022-11-26 00:59:28,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:28,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:59:28,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:28,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:59:28,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:59:28,966 INFO L87 Difference]: Start difference. First operand 13125 states and 19199 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-26 00:59:36,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:36,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:36,570 INFO L93 Difference]: Finished difference Result 13125 states and 19199 transitions. [2022-11-26 00:59:36,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:59:36,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 116 [2022-11-26 00:59:36,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:36,614 INFO L225 Difference]: With dead ends: 13125 [2022-11-26 00:59:36,614 INFO L226 Difference]: Without dead ends: 13123 [2022-11-26 00:59:36,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:59:36,620 INFO L413 NwaCegarLoop]: 4544 mSDtfsCounter, 4987 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4991 SdHoareTripleChecker+Valid, 9089 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:36,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4991 Valid, 9089 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 947 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-11-26 00:59:36,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13123 states. [2022-11-26 00:59:38,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13123 to 13123. [2022-11-26 00:59:38,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13123 states, 7693 states have (on average 1.2792148706616404) internal successors, (9841), 7866 states have internal predecessors, (9841), 4415 states have call successors, (4415), 1014 states have call predecessors, (4415), 1002 states have return successors, (4941), 4355 states have call predecessors, (4941), 4413 states have call successors, (4941) [2022-11-26 00:59:38,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13123 states to 13123 states and 19197 transitions. [2022-11-26 00:59:38,381 INFO L78 Accepts]: Start accepts. Automaton has 13123 states and 19197 transitions. Word has length 116 [2022-11-26 00:59:38,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:38,381 INFO L495 AbstractCegarLoop]: Abstraction has 13123 states and 19197 transitions. [2022-11-26 00:59:38,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-26 00:59:38,381 INFO L276 IsEmpty]: Start isEmpty. Operand 13123 states and 19197 transitions. [2022-11-26 00:59:38,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-26 00:59:38,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:38,385 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:38,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-26 00:59:38,386 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:59:38,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:38,386 INFO L85 PathProgramCache]: Analyzing trace with hash 701075001, now seen corresponding path program 1 times [2022-11-26 00:59:38,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:38,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732290353] [2022-11-26 00:59:38,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:38,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-26 00:59:39,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:39,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732290353] [2022-11-26 00:59:39,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732290353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:39,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:39,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:59:39,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932397855] [2022-11-26 00:59:39,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:39,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:59:39,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:39,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:59:39,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:59:39,034 INFO L87 Difference]: Start difference. First operand 13123 states and 19197 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-26 00:59:47,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:52,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:52,132 INFO L93 Difference]: Finished difference Result 25384 states and 37228 transitions. [2022-11-26 00:59:52,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:59:52,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 142 [2022-11-26 00:59:52,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:52,223 INFO L225 Difference]: With dead ends: 25384 [2022-11-26 00:59:52,223 INFO L226 Difference]: Without dead ends: 25382 [2022-11-26 00:59:52,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:59:52,232 INFO L413 NwaCegarLoop]: 5669 mSDtfsCounter, 4929 mSDsluCounter, 15563 mSDsCounter, 0 mSdLazyCounter, 1860 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4931 SdHoareTripleChecker+Valid, 21232 SdHoareTripleChecker+Invalid, 1864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1860 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:59:52,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4931 Valid, 21232 Invalid, 1864 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1860 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2022-11-26 00:59:52,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25382 states. [2022-11-26 00:59:55,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25382 to 25299. [2022-11-26 00:59:55,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25299 states, 14873 states have (on average 1.281113427015397) internal successors, (19054), 15193 states have internal predecessors, (19054), 8480 states have call successors, (8480), 1959 states have call predecessors, (8480), 1933 states have return successors, (9604), 8363 states have call predecessors, (9604), 8478 states have call successors, (9604) [2022-11-26 00:59:55,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25299 states to 25299 states and 37138 transitions. [2022-11-26 00:59:55,882 INFO L78 Accepts]: Start accepts. Automaton has 25299 states and 37138 transitions. Word has length 142 [2022-11-26 00:59:55,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:55,883 INFO L495 AbstractCegarLoop]: Abstraction has 25299 states and 37138 transitions. [2022-11-26 00:59:55,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-26 00:59:55,883 INFO L276 IsEmpty]: Start isEmpty. Operand 25299 states and 37138 transitions. [2022-11-26 00:59:55,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-26 00:59:55,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:55,885 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:59:55,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-26 00:59:55,886 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:59:55,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:55,886 INFO L85 PathProgramCache]: Analyzing trace with hash 621610883, now seen corresponding path program 1 times [2022-11-26 00:59:55,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:59:55,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333803872] [2022-11-26 00:59:55,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:55,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:59:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:56,585 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:59:56,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:59:56,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333803872] [2022-11-26 00:59:56,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333803872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:56,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:56,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:59:56,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751527736] [2022-11-26 00:59:56,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:56,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:59:56,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:59:56,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:59:56,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:59:56,588 INFO L87 Difference]: Start difference. First operand 25299 states and 37138 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 01:00:04,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:00:07,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:07,112 INFO L93 Difference]: Finished difference Result 25299 states and 37138 transitions. [2022-11-26 01:00:07,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:00:07,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 121 [2022-11-26 01:00:07,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:07,195 INFO L225 Difference]: With dead ends: 25299 [2022-11-26 01:00:07,195 INFO L226 Difference]: Without dead ends: 25297 [2022-11-26 01:00:07,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:00:07,205 INFO L413 NwaCegarLoop]: 4542 mSDtfsCounter, 4985 mSDsluCounter, 4542 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4987 SdHoareTripleChecker+Valid, 9084 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:07,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4987 Valid, 9084 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 948 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-11-26 01:00:07,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25297 states. [2022-11-26 01:00:10,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25297 to 25297. [2022-11-26 01:00:10,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25297 states, 14872 states have (on average 1.2809978483055406) internal successors, (19051), 15191 states have internal predecessors, (19051), 8480 states have call successors, (8480), 1959 states have call predecessors, (8480), 1933 states have return successors, (9604), 8363 states have call predecessors, (9604), 8478 states have call successors, (9604) [2022-11-26 01:00:10,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25297 states to 25297 states and 37135 transitions. [2022-11-26 01:00:10,665 INFO L78 Accepts]: Start accepts. Automaton has 25297 states and 37135 transitions. Word has length 121 [2022-11-26 01:00:10,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:10,666 INFO L495 AbstractCegarLoop]: Abstraction has 25297 states and 37135 transitions. [2022-11-26 01:00:10,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 01:00:10,666 INFO L276 IsEmpty]: Start isEmpty. Operand 25297 states and 37135 transitions. [2022-11-26 01:00:10,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-26 01:00:10,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:10,669 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:10,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-26 01:00:10,670 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:00:10,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:10,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1715889705, now seen corresponding path program 1 times [2022-11-26 01:00:10,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:10,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145118263] [2022-11-26 01:00:10,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:10,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:11,101 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:00:11,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:11,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145118263] [2022-11-26 01:00:11,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145118263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:11,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:11,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:00:11,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115347987] [2022-11-26 01:00:11,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:11,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:00:11,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:11,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:00:11,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:00:11,105 INFO L87 Difference]: Start difference. First operand 25297 states and 37135 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 01:00:18,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:00:20,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:20,751 INFO L93 Difference]: Finished difference Result 25297 states and 37135 transitions. [2022-11-26 01:00:20,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:00:20,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 126 [2022-11-26 01:00:20,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:20,858 INFO L225 Difference]: With dead ends: 25297 [2022-11-26 01:00:20,858 INFO L226 Difference]: Without dead ends: 25295 [2022-11-26 01:00:20,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:00:20,871 INFO L413 NwaCegarLoop]: 4540 mSDtfsCounter, 4981 mSDsluCounter, 4541 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4985 SdHoareTripleChecker+Valid, 9081 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:20,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4985 Valid, 9081 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 947 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-11-26 01:00:20,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25295 states. [2022-11-26 01:00:24,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25295 to 25295. [2022-11-26 01:00:24,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25295 states, 14871 states have (on average 1.2808822540515097) internal successors, (19048), 15189 states have internal predecessors, (19048), 8480 states have call successors, (8480), 1959 states have call predecessors, (8480), 1933 states have return successors, (9604), 8363 states have call predecessors, (9604), 8478 states have call successors, (9604) [2022-11-26 01:00:24,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25295 states to 25295 states and 37132 transitions. [2022-11-26 01:00:24,293 INFO L78 Accepts]: Start accepts. Automaton has 25295 states and 37132 transitions. Word has length 126 [2022-11-26 01:00:24,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:24,294 INFO L495 AbstractCegarLoop]: Abstraction has 25295 states and 37132 transitions. [2022-11-26 01:00:24,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 01:00:24,294 INFO L276 IsEmpty]: Start isEmpty. Operand 25295 states and 37132 transitions. [2022-11-26 01:00:24,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-26 01:00:24,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:24,297 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:24,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-26 01:00:24,298 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:00:24,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:24,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1103486936, now seen corresponding path program 1 times [2022-11-26 01:00:24,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:24,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565302217] [2022-11-26 01:00:24,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:24,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:24,761 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:00:24,761 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:24,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565302217] [2022-11-26 01:00:24,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565302217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:24,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:24,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:00:24,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527957290] [2022-11-26 01:00:24,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:24,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:00:24,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:24,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:00:24,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:00:24,764 INFO L87 Difference]: Start difference. First operand 25295 states and 37132 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-26 01:00:26,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:00:35,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:00:37,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:37,420 INFO L93 Difference]: Finished difference Result 25555 states and 37407 transitions. [2022-11-26 01:00:37,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:00:37,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 131 [2022-11-26 01:00:37,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:37,517 INFO L225 Difference]: With dead ends: 25555 [2022-11-26 01:00:37,517 INFO L226 Difference]: Without dead ends: 25553 [2022-11-26 01:00:37,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:00:37,528 INFO L413 NwaCegarLoop]: 5749 mSDtfsCounter, 4902 mSDsluCounter, 10269 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4906 SdHoareTripleChecker+Valid, 16018 SdHoareTripleChecker+Invalid, 1423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:37,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4906 Valid, 16018 Invalid, 1423 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1421 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-11-26 01:00:37,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25553 states. [2022-11-26 01:00:40,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25553 to 25505. [2022-11-26 01:00:40,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25505 states, 14992 states have (on average 1.2786152614727855) internal successors, (19169), 15311 states have internal predecessors, (19169), 8533 states have call successors, (8533), 1995 states have call predecessors, (8533), 1969 states have return successors, (9657), 8415 states have call predecessors, (9657), 8531 states have call successors, (9657) [2022-11-26 01:00:41,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25505 states to 25505 states and 37359 transitions. [2022-11-26 01:00:41,051 INFO L78 Accepts]: Start accepts. Automaton has 25505 states and 37359 transitions. Word has length 131 [2022-11-26 01:00:41,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:41,051 INFO L495 AbstractCegarLoop]: Abstraction has 25505 states and 37359 transitions. [2022-11-26 01:00:41,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-26 01:00:41,052 INFO L276 IsEmpty]: Start isEmpty. Operand 25505 states and 37359 transitions. [2022-11-26 01:00:41,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-26 01:00:41,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:41,055 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:41,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-26 01:00:41,055 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:00:41,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:41,055 INFO L85 PathProgramCache]: Analyzing trace with hash -371125743, now seen corresponding path program 1 times [2022-11-26 01:00:41,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:41,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311451294] [2022-11-26 01:00:41,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:41,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:41,572 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-11-26 01:00:41,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:41,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311451294] [2022-11-26 01:00:41,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311451294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:41,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:41,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:00:41,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461155362] [2022-11-26 01:00:41,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:41,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:00:41,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:41,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:00:41,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:00:41,575 INFO L87 Difference]: Start difference. First operand 25505 states and 37359 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-26 01:00:50,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:00:52,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:52,451 INFO L93 Difference]: Finished difference Result 25559 states and 37396 transitions. [2022-11-26 01:00:52,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:00:52,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 156 [2022-11-26 01:00:52,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:52,576 INFO L225 Difference]: With dead ends: 25559 [2022-11-26 01:00:52,576 INFO L226 Difference]: Without dead ends: 25557 [2022-11-26 01:00:52,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 01:00:52,593 INFO L413 NwaCegarLoop]: 4546 mSDtfsCounter, 51 mSDsluCounter, 13587 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 18133 SdHoareTripleChecker+Invalid, 1912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:52,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 18133 Invalid, 1912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1910 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-11-26 01:00:52,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25557 states. [2022-11-26 01:00:56,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25557 to 25557. [2022-11-26 01:00:56,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25557 states, 15020 states have (on average 1.2778295605858856) internal successors, (19193), 15339 states have internal predecessors, (19193), 8537 states have call successors, (8537), 2015 states have call predecessors, (8537), 1989 states have return successors, (9661), 8419 states have call predecessors, (9661), 8535 states have call successors, (9661) [2022-11-26 01:00:56,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25557 states to 25557 states and 37391 transitions. [2022-11-26 01:00:56,191 INFO L78 Accepts]: Start accepts. Automaton has 25557 states and 37391 transitions. Word has length 156 [2022-11-26 01:00:56,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:56,192 INFO L495 AbstractCegarLoop]: Abstraction has 25557 states and 37391 transitions. [2022-11-26 01:00:56,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-26 01:00:56,192 INFO L276 IsEmpty]: Start isEmpty. Operand 25557 states and 37391 transitions. [2022-11-26 01:00:56,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-26 01:00:56,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:56,195 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:56,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-26 01:00:56,196 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:00:56,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:56,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1185082150, now seen corresponding path program 1 times [2022-11-26 01:00:56,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:56,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156241276] [2022-11-26 01:00:56,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:56,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:56,494 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 01:00:56,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:00:56,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156241276] [2022-11-26 01:00:56,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156241276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:56,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:56,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:00:56,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090324175] [2022-11-26 01:00:56,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:56,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:00:56,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:00:56,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:00:56,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:00:56,497 INFO L87 Difference]: Start difference. First operand 25557 states and 37391 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 01:01:03,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:05,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:01:05,550 INFO L93 Difference]: Finished difference Result 25557 states and 37391 transitions. [2022-11-26 01:01:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:01:05,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 136 [2022-11-26 01:01:05,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:01:05,628 INFO L225 Difference]: With dead ends: 25557 [2022-11-26 01:01:05,629 INFO L226 Difference]: Without dead ends: 25555 [2022-11-26 01:01:05,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:01:05,638 INFO L413 NwaCegarLoop]: 4538 mSDtfsCounter, 4977 mSDsluCounter, 4539 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4981 SdHoareTripleChecker+Valid, 9077 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:01:05,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4981 Valid, 9077 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 947 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-11-26 01:01:05,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25555 states. [2022-11-26 01:01:09,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25555 to 25555. [2022-11-26 01:01:09,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25555 states, 15019 states have (on average 1.2777148944670085) internal successors, (19190), 15337 states have internal predecessors, (19190), 8537 states have call successors, (8537), 2015 states have call predecessors, (8537), 1989 states have return successors, (9661), 8419 states have call predecessors, (9661), 8535 states have call successors, (9661) [2022-11-26 01:01:09,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25555 states to 25555 states and 37388 transitions. [2022-11-26 01:01:09,141 INFO L78 Accepts]: Start accepts. Automaton has 25555 states and 37388 transitions. Word has length 136 [2022-11-26 01:01:09,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:01:09,142 INFO L495 AbstractCegarLoop]: Abstraction has 25555 states and 37388 transitions. [2022-11-26 01:01:09,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 01:01:09,142 INFO L276 IsEmpty]: Start isEmpty. Operand 25555 states and 37388 transitions. [2022-11-26 01:01:09,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-26 01:01:09,145 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:09,145 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:01:09,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-26 01:01:09,145 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 01:01:09,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:09,146 INFO L85 PathProgramCache]: Analyzing trace with hash 2061121221, now seen corresponding path program 1 times [2022-11-26 01:01:09,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:01:09,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079156465] [2022-11-26 01:01:09,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:09,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:01:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:09,613 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-11-26 01:01:09,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:01:09,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079156465] [2022-11-26 01:01:09,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079156465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:01:09,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:01:09,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:01:09,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191219847] [2022-11-26 01:01:09,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:01:09,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:01:09,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:01:09,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:01:09,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:01:09,616 INFO L87 Difference]: Start difference. First operand 25555 states and 37388 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-26 01:01:19,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:21,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:01:21,704 INFO L93 Difference]: Finished difference Result 25555 states and 37388 transitions. [2022-11-26 01:01:21,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:01:21,704 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2022-11-26 01:01:21,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:01:21,775 INFO L225 Difference]: With dead ends: 25555 [2022-11-26 01:01:21,775 INFO L226 Difference]: Without dead ends: 25553 [2022-11-26 01:01:21,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 01:01:21,785 INFO L413 NwaCegarLoop]: 4536 mSDtfsCounter, 43 mSDsluCounter, 13562 mSDsCounter, 0 mSdLazyCounter, 1901 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 18098 SdHoareTripleChecker+Invalid, 1903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1901 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:01:21,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 18098 Invalid, 1903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1901 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2022-11-26 01:01:21,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25553 states.