./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/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 1a40e66604094f312102b838d8c965fbe1879fb2092ea49e39f812ee4cfee256 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:15:44,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:15:44,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:15:44,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:15:44,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:15:44,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:15:44,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:15:44,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:15:44,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:15:44,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:15:44,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:15:45,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:15:45,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:15:45,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:15:45,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:15:45,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:15:45,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:15:45,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:15:45,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:15:45,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:15:45,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:15:45,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:15:45,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:15:45,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:15:45,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:15:45,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:15:45,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:15:45,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:15:45,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:15:45,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:15:45,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:15:45,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:15:45,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:15:45,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:15:45,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:15:45,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:15:45,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:15:45,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:15:45,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:15:45,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:15:45,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:15:45,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:15:45,077 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:15:45,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:15:45,078 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:15:45,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:15:45,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:15:45,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:15:45,080 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:15:45,080 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:15:45,080 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:15:45,081 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:15:45,082 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:15:45,082 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:15:45,082 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:15:45,083 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:15:45,083 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:15:45,083 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:15:45,083 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:15:45,084 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:15:45,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:15:45,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:15:45,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:15:45,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:15:45,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:15:45,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:15:45,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:15:45,086 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:15:45,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:15:45,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:15:45,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:15:45,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:15:45,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:15:45,088 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:15:45,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:15:45,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:15:45,089 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:15:45,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:15:45,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:15:45,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:15:45,090 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a40e66604094f312102b838d8c965fbe1879fb2092ea49e39f812ee4cfee256 [2022-11-25 22:15:45,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:15:45,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:15:45,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:15:45,426 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:15:45,428 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:15:45,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i [2022-11-25 22:15:48,474 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:15:49,280 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:15:49,280 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i [2022-11-25 22:15:49,358 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/data/b179fd1ba/52fe42c5ebdc4d0aabc26d9d09ec8d53/FLAGcb0eb1994 [2022-11-25 22:15:49,379 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/data/b179fd1ba/52fe42c5ebdc4d0aabc26d9d09ec8d53 [2022-11-25 22:15:49,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:15:49,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:15:49,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:15:49,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:15:49,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:15:49,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:15:49" (1/1) ... [2022-11-25 22:15:49,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65063dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:15:49, skipping insertion in model container [2022-11-25 22:15:49,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:15:49" (1/1) ... [2022-11-25 22:15:49,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:15:49,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:15:51,001 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:51,140 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 22:15:51,157 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 22:15:51,403 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:15:51,404 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 22:15:51,404 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 22:15:51,405 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 22:15:51,412 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:15:51,413 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 22:15:51,414 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 22:15:51,414 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-25 22:15:51,447 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:15:51,534 WARN L623 FunctionHandler]: Unknown extern function skb_copy_datagram_iter [2022-11-25 22:15:51,547 WARN L623 FunctionHandler]: Unknown extern function copy_from_iter [2022-11-25 22:15:51,559 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-11-25 22:15:51,744 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:51,885 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:15:52,072 WARN L623 FunctionHandler]: Unknown extern function sk_free [2022-11-25 22:15:52,100 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1658 [2022-11-25 22:15:52,101 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:52,101 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:15:52,116 WARN L623 FunctionHandler]: Unknown extern function security_sock_graft [2022-11-25 22:15:52,148 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 22:15:52,392 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:15:52,399 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:15:52,404 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 22:15:52,460 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:52,463 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:52,493 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:52,493 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:52,494 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:52,495 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:52,508 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:15:52,521 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:15:52,525 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:15:52,559 WARN L623 FunctionHandler]: Unknown extern function sk_alloc [2022-11-25 22:15:52,560 WARN L623 FunctionHandler]: Unknown extern function sock_init_data [2022-11-25 22:15:52,560 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:52,561 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:52,562 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:15:52,563 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:15:52,563 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:15:52,564 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:15:52,565 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:15:52,577 WARN L623 FunctionHandler]: Unknown extern function sk_alloc [2022-11-25 22:15:52,579 WARN L623 FunctionHandler]: Unknown extern function sock_init_data [2022-11-25 22:15:52,581 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:52,583 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:52,621 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:52,625 WARN L623 FunctionHandler]: Unknown extern function ax25_findbyuid [2022-11-25 22:15:52,633 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:15:52,671 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:52,671 WARN L623 FunctionHandler]: Unknown extern function ax25_findbyuid [2022-11-25 22:15:52,688 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 22:15:52,689 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 22:15:52,690 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 22:15:52,702 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 22:15:52,702 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:52,703 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 22:15:52,704 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 22:15:52,709 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:52,754 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-11-25 22:15:52,772 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1054 [2022-11-25 22:15:52,773 WARN L623 FunctionHandler]: Unknown extern function send_sig [2022-11-25 22:15:52,780 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:52,782 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:52,790 WARN L623 FunctionHandler]: Unknown extern function sock_alloc_send_skb [2022-11-25 22:15:52,791 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:15:52,791 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:52,793 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 22:15:52,805 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 22:15:52,807 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:52,807 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 22:15:52,824 WARN L623 FunctionHandler]: Unknown extern function skb_recv_datagram [2022-11-25 22:15:52,825 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 22:15:52,825 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 22:15:52,826 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1257 [2022-11-25 22:15:52,829 WARN L623 FunctionHandler]: Unknown extern function skb_free_datagram [2022-11-25 22:15:52,841 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:15:52,842 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:15:52,843 WARN L623 FunctionHandler]: Unknown extern function sock_get_timestamp [2022-11-25 22:15:52,843 WARN L623 FunctionHandler]: Unknown extern function sock_get_timestampns [2022-11-25 22:15:52,844 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:15:52,845 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:15:52,847 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:52,847 WARN L623 FunctionHandler]: Unknown extern function ax25_listen_release [2022-11-25 22:15:52,848 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:52,849 WARN L623 FunctionHandler]: Unknown extern function ax25_listen_register [2022-11-25 22:15:52,859 WARN L623 FunctionHandler]: Unknown extern function seq_hlist_start_head [2022-11-25 22:15:52,867 WARN L623 FunctionHandler]: Unknown extern function seq_hlist_next [2022-11-25 22:15:52,884 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 22:15:52,890 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:52,890 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:15:52,891 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:52,892 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:52,893 WARN L623 FunctionHandler]: Unknown extern function ax25_display_timer [2022-11-25 22:15:52,893 WARN L623 FunctionHandler]: Unknown extern function ax25_display_timer [2022-11-25 22:15:52,894 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:15:52,913 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:52,914 WARN L623 FunctionHandler]: Unknown extern function proto_register [2022-11-25 22:15:52,915 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:52,917 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 22:15:52,919 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:52,919 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:52,920 WARN L623 FunctionHandler]: Unknown extern function sock_register [2022-11-25 22:15:52,951 WARN L623 FunctionHandler]: Unknown extern function ax25_register_pid [2022-11-25 22:15:52,951 WARN L623 FunctionHandler]: Unknown extern function ax25_linkfail_register [2022-11-25 22:15:52,958 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:52,958 WARN L623 FunctionHandler]: Unknown extern function proto_unregister [2022-11-25 22:15:52,966 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 22:15:52,968 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 22:15:52,969 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 22:15:52,971 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 22:15:52,973 WARN L623 FunctionHandler]: Unknown extern function ax25_protocol_release [2022-11-25 22:15:52,973 WARN L623 FunctionHandler]: Unknown extern function ax25_linkfail_release [2022-11-25 22:15:52,973 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:52,974 WARN L623 FunctionHandler]: Unknown extern function ax25_listen_release [2022-11-25 22:15:52,974 WARN L623 FunctionHandler]: Unknown extern function sock_unregister [2022-11-25 22:15:52,975 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:52,975 WARN L623 FunctionHandler]: Unknown extern function proto_unregister [2022-11-25 22:15:53,896 WARN L623 FunctionHandler]: Unknown extern function sock_no_mmap [2022-11-25 22:15:53,899 WARN L623 FunctionHandler]: Unknown extern function datagram_poll [2022-11-25 22:15:53,901 WARN L623 FunctionHandler]: Unknown extern function sock_no_sendpage [2022-11-25 22:15:53,903 WARN L623 FunctionHandler]: Unknown extern function sock_no_shutdown [2022-11-25 22:15:53,903 WARN L623 FunctionHandler]: Unknown extern function sock_no_socketpair [2022-11-25 22:15:53,905 WARN L623 FunctionHandler]: Unknown extern function sock_no_mmap [2022-11-25 22:15:53,906 WARN L623 FunctionHandler]: Unknown extern function datagram_poll [2022-11-25 22:15:53,908 WARN L623 FunctionHandler]: Unknown extern function sock_no_sendpage [2022-11-25 22:15:53,908 WARN L623 FunctionHandler]: Unknown extern function sock_no_shutdown [2022-11-25 22:15:53,909 WARN L623 FunctionHandler]: Unknown extern function sock_no_socketpair [2022-11-25 22:15:53,921 WARN L623 FunctionHandler]: Unknown extern function sock_no_mmap [2022-11-25 22:15:53,921 WARN L623 FunctionHandler]: Unknown extern function datagram_poll [2022-11-25 22:15:53,923 WARN L623 FunctionHandler]: Unknown extern function sock_no_sendpage [2022-11-25 22:15:53,924 WARN L623 FunctionHandler]: Unknown extern function sock_no_shutdown [2022-11-25 22:15:53,925 WARN L623 FunctionHandler]: Unknown extern function sock_no_socketpair [2022-11-25 22:15:53,976 WARN L623 FunctionHandler]: Unknown extern function lock_sock_nested [2022-11-25 22:15:53,977 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-25 22:15:53,978 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-25 22:15:53,978 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-25 22:15:53,979 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-25 22:15:53,979 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-25 22:15:53,979 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-25 22:15:53,979 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-25 22:15:53,980 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-11-25 22:15:53,986 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-11-25 22:15:53,988 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 22:15:53,991 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:15:53,992 WARN L623 FunctionHandler]: Unknown extern function register_netdevice_notifier [2022-11-25 22:15:53,993 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 22:15:53,993 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:15:53,994 WARN L623 FunctionHandler]: Unknown extern function unregister_netdevice_notifier [2022-11-25 22:15:53,995 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 22:15:53,996 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:15:54,096 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:15:54,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:54,170 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 22:15:54,178 WARN L623 FunctionHandler]: Unknown extern function arp_find [2022-11-25 22:15:54,179 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:54,180 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:54,181 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:54,189 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:15:54,214 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:54,215 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:15:54,323 WARN L623 FunctionHandler]: Unknown extern function sock_queue_rcv_skb [2022-11-25 22:15:54,325 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:54,397 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:54,398 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:54,482 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:15:54,483 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:54,490 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:15:54,490 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:54,507 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:54,508 WARN L623 FunctionHandler]: Unknown extern function ax25_send_frame [2022-11-25 22:15:54,516 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:54,517 WARN L623 FunctionHandler]: Unknown extern function ax25_find_cb [2022-11-25 22:15:54,519 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:54,520 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:54,520 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:54,520 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:54,521 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:15:54,522 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:54,523 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:15:54,524 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:54,525 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:15:54,526 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:54,527 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 22:15:54,527 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:54,528 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 22:15:54,536 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:54,537 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:54,537 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:54,537 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:54,538 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:54,538 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:54,538 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:54,539 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:54,569 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:54,577 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:54,578 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 22:15:54,586 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:54,587 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:54,588 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:54,589 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:54,589 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:54,590 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:54,590 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:54,590 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:54,591 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:54,591 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:54,592 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:54,592 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:54,593 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:54,593 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:54,619 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:54,620 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-11-25 22:15:54,620 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 22:15:54,621 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:54,817 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:54,818 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:54,818 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:54,819 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:54,819 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 22:15:54,827 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:54,828 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:54,828 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:54,828 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:54,829 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 22:15:54,837 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:54,837 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:54,847 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:54,849 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:54,849 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:54,850 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:54,862 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:54,862 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:54,870 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 22:15:54,871 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:54,871 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:54,872 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:54,872 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:54,881 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:54,882 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:54,891 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:54,929 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:54,929 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:54,955 WARN L623 FunctionHandler]: Unknown extern function __dev_get_by_name [2022-11-25 22:15:54,959 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:54,960 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:15:54,961 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-11-25 22:15:54,961 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:54,962 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:15:54,965 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:54,966 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:15:54,967 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:54,967 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:15:54,979 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:54,979 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:15:54,981 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:54,981 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:15:54,997 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 22:15:55,003 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:55,004 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:55,005 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:55,012 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:55,013 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:55,051 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 22:15:55,052 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:15:55,053 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:15:55,054 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 22:15:55,094 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 22:15:55,095 WARN L623 FunctionHandler]: Unknown extern function ax25_display_timer [2022-11-25 22:15:55,095 WARN L623 FunctionHandler]: Unknown extern function ax25_display_timer [2022-11-25 22:15:55,096 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:55,096 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:15:55,099 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:55,100 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:15:55,100 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 22:15:55,142 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 22:15:55,142 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:55,143 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:15:55,144 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 22:15:55,144 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:55,145 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:15:55,145 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 22:15:55,269 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 22:15:55,269 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 22:15:55,270 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 22:15:55,270 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 22:15:55,270 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 22:15:55,271 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 22:15:55,287 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:15:55,288 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-11-25 22:15:55,288 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-11-25 22:15:55,289 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-11-25 22:15:55,333 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 22:15:55,334 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 22:15:55,334 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:55,335 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:55,336 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-11-25 22:15:55,336 WARN L623 FunctionHandler]: Unknown extern function skb_append [2022-11-25 22:15:55,337 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:55,339 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:15:55,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:55,346 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:55,375 WARN L623 FunctionHandler]: Unknown extern function asc2ax [2022-11-25 22:15:55,376 WARN L623 FunctionHandler]: Unknown extern function asc2ax [2022-11-25 22:15:55,378 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:55,379 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:15:55,386 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:55,388 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:55,430 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:15:55,446 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:15:55,545 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:55,546 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:55,547 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:55,548 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:55,549 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:55,550 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:55,555 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:55,556 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:55,556 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:55,557 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:55,557 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:55,557 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:55,558 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:55,558 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:55,559 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:55,559 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:55,559 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:55,560 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:55,560 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:55,561 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:55,561 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:55,561 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:55,562 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:55,562 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:55,597 WARN L623 FunctionHandler]: Unknown extern function unregister_net_sysctl_table [2022-11-25 22:15:55,605 WARN L623 FunctionHandler]: Unknown extern function register_net_sysctl [2022-11-25 22:15:55,606 WARN L623 FunctionHandler]: Unknown extern function ldv_register_net_sysctl [2022-11-25 22:15:56,355 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:15:56,784 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:15:57,955 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680431,680444] [2022-11-25 22:15:57,959 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680576,680589] [2022-11-25 22:15:57,960 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680722,680735] [2022-11-25 22:15:57,960 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680887,680900] [2022-11-25 22:15:57,961 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681045,681058] [2022-11-25 22:15:57,961 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681203,681216] [2022-11-25 22:15:57,962 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681361,681374] [2022-11-25 22:15:57,962 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681521,681534] [2022-11-25 22:15:57,963 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681680,681693] [2022-11-25 22:15:57,963 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681819,681832] [2022-11-25 22:15:57,964 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681961,681974] [2022-11-25 22:15:57,964 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682110,682123] [2022-11-25 22:15:57,965 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682249,682262] [2022-11-25 22:15:57,965 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682404,682417] [2022-11-25 22:15:57,966 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682564,682577] [2022-11-25 22:15:57,966 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682715,682728] [2022-11-25 22:15:57,967 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682866,682879] [2022-11-25 22:15:57,967 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683018,683031] [2022-11-25 22:15:57,968 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683167,683180] [2022-11-25 22:15:57,968 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683315,683328] [2022-11-25 22:15:57,969 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683472,683485] [2022-11-25 22:15:57,969 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683621,683634] [2022-11-25 22:15:57,970 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683777,683790] [2022-11-25 22:15:57,970 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683930,683943] [2022-11-25 22:15:57,971 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684076,684089] [2022-11-25 22:15:57,971 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684219,684232] [2022-11-25 22:15:57,972 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684371,684384] [2022-11-25 22:15:57,972 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684517,684530] [2022-11-25 22:15:57,973 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684662,684675] [2022-11-25 22:15:57,973 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684816,684829] [2022-11-25 22:15:57,974 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684967,684980] [2022-11-25 22:15:57,974 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685122,685135] [2022-11-25 22:15:57,975 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685274,685287] [2022-11-25 22:15:57,975 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685429,685442] [2022-11-25 22:15:57,976 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685593,685606] [2022-11-25 22:15:57,976 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685749,685762] [2022-11-25 22:15:57,976 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685913,685926] [2022-11-25 22:15:57,977 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686055,686068] [2022-11-25 22:15:57,977 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686213,686226] [2022-11-25 22:15:57,978 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686380,686393] [2022-11-25 22:15:57,978 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686539,686552] [2022-11-25 22:15:57,979 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686698,686711] [2022-11-25 22:15:57,979 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686847,686860] [2022-11-25 22:15:57,980 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686994,687007] [2022-11-25 22:15:57,980 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687133,687146] [2022-11-25 22:15:57,981 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687296,687309] [2022-11-25 22:15:57,982 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687462,687475] [2022-11-25 22:15:57,982 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687626,687639] [2022-11-25 22:15:57,982 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687791,687804] [2022-11-25 22:15:57,983 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687956,687969] [2022-11-25 22:15:57,983 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688122,688135] [2022-11-25 22:15:57,984 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688287,688300] [2022-11-25 22:15:57,984 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688454,688467] [2022-11-25 22:15:57,985 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688614,688627] [2022-11-25 22:15:57,992 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688776,688789] [2022-11-25 22:15:57,993 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688935,688948] [2022-11-25 22:15:57,994 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689081,689094] [2022-11-25 22:15:57,995 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689224,689237] [2022-11-25 22:15:57,995 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689368,689381] [2022-11-25 22:15:57,996 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689511,689524] [2022-11-25 22:15:57,996 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689655,689668] [2022-11-25 22:15:57,997 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689796,689809] [2022-11-25 22:15:57,997 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689934,689947] [2022-11-25 22:15:57,998 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690092,690105] [2022-11-25 22:15:57,998 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690251,690264] [2022-11-25 22:15:57,999 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690407,690420] [2022-11-25 22:15:57,999 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690556,690569] [2022-11-25 22:15:58,000 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690708,690721] [2022-11-25 22:15:58,000 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690859,690872] [2022-11-25 22:15:58,001 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691008,691021] [2022-11-25 22:15:58,001 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691160,691173] [2022-11-25 22:15:58,002 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691308,691321] [2022-11-25 22:15:58,002 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691461,691474] [2022-11-25 22:15:58,003 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691612,691625] [2022-11-25 22:15:58,003 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691762,691775] [2022-11-25 22:15:58,004 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691909,691922] [2022-11-25 22:15:58,004 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692060,692073] [2022-11-25 22:15:58,005 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692211,692224] [2022-11-25 22:15:58,005 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692359,692372] [2022-11-25 22:15:58,006 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692525,692538] [2022-11-25 22:15:58,006 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692694,692707] [2022-11-25 22:15:58,007 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692861,692874] [2022-11-25 22:15:58,007 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693029,693042] [2022-11-25 22:15:58,008 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693179,693192] [2022-11-25 22:15:58,008 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693326,693339] [2022-11-25 22:15:58,009 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693487,693500] [2022-11-25 22:15:58,009 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693657,693670] [2022-11-25 22:15:58,010 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693819,693832] [2022-11-25 22:15:58,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:15:58,118 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:15:58,315 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:58,316 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 22:15:58,317 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 22:15:58,320 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:15:58,320 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 22:15:58,321 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 22:15:58,321 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 22:15:58,321 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:15:58,322 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 22:15:58,322 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 22:15:58,322 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-25 22:15:58,325 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:15:58,329 WARN L623 FunctionHandler]: Unknown extern function skb_copy_datagram_iter [2022-11-25 22:15:58,330 WARN L623 FunctionHandler]: Unknown extern function copy_from_iter [2022-11-25 22:15:58,330 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-11-25 22:15:58,337 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:58,339 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:15:58,342 WARN L623 FunctionHandler]: Unknown extern function sk_free [2022-11-25 22:15:58,343 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1658 [2022-11-25 22:15:58,343 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:58,344 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:15:58,356 WARN L623 FunctionHandler]: Unknown extern function security_sock_graft [2022-11-25 22:15:58,358 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 22:15:58,360 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:15:58,361 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:15:58,367 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 22:15:58,375 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:58,376 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:58,392 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,392 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:58,392 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:58,393 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:58,399 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:15:58,411 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:15:58,413 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:15:58,423 WARN L623 FunctionHandler]: Unknown extern function sk_alloc [2022-11-25 22:15:58,424 WARN L623 FunctionHandler]: Unknown extern function sock_init_data [2022-11-25 22:15:58,425 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:58,426 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:58,426 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:15:58,426 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:15:58,426 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:15:58,427 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:15:58,427 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:15:58,428 WARN L623 FunctionHandler]: Unknown extern function sk_alloc [2022-11-25 22:15:58,428 WARN L623 FunctionHandler]: Unknown extern function sock_init_data [2022-11-25 22:15:58,429 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:58,429 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:58,452 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:58,452 WARN L623 FunctionHandler]: Unknown extern function ax25_findbyuid [2022-11-25 22:15:58,453 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:15:58,463 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:58,464 WARN L623 FunctionHandler]: Unknown extern function ax25_findbyuid [2022-11-25 22:15:58,468 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 22:15:58,468 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 22:15:58,469 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 22:15:58,475 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 22:15:58,476 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:58,476 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 22:15:58,477 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 22:15:58,487 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,519 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-11-25 22:15:58,532 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1054 [2022-11-25 22:15:58,533 WARN L623 FunctionHandler]: Unknown extern function send_sig [2022-11-25 22:15:58,535 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:58,535 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:58,538 WARN L623 FunctionHandler]: Unknown extern function sock_alloc_send_skb [2022-11-25 22:15:58,539 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:15:58,539 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,540 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 22:15:58,540 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 22:15:58,541 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,542 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 22:15:58,548 WARN L623 FunctionHandler]: Unknown extern function skb_recv_datagram [2022-11-25 22:15:58,549 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 22:15:58,549 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 22:15:58,550 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1257 [2022-11-25 22:15:58,552 WARN L623 FunctionHandler]: Unknown extern function skb_free_datagram [2022-11-25 22:15:58,559 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:15:58,559 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:15:58,560 WARN L623 FunctionHandler]: Unknown extern function sock_get_timestamp [2022-11-25 22:15:58,560 WARN L623 FunctionHandler]: Unknown extern function sock_get_timestampns [2022-11-25 22:15:58,561 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:15:58,562 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 22:15:58,562 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:58,562 WARN L623 FunctionHandler]: Unknown extern function ax25_listen_release [2022-11-25 22:15:58,563 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:58,563 WARN L623 FunctionHandler]: Unknown extern function ax25_listen_register [2022-11-25 22:15:58,565 WARN L623 FunctionHandler]: Unknown extern function seq_hlist_start_head [2022-11-25 22:15:58,565 WARN L623 FunctionHandler]: Unknown extern function seq_hlist_next [2022-11-25 22:15:58,566 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 22:15:58,567 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:58,567 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:15:58,568 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:58,569 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:58,570 WARN L623 FunctionHandler]: Unknown extern function ax25_display_timer [2022-11-25 22:15:58,570 WARN L623 FunctionHandler]: Unknown extern function ax25_display_timer [2022-11-25 22:15:58,570 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:15:58,573 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:58,574 WARN L623 FunctionHandler]: Unknown extern function proto_register [2022-11-25 22:15:58,574 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:58,575 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 22:15:58,575 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:58,576 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:58,576 WARN L623 FunctionHandler]: Unknown extern function sock_register [2022-11-25 22:15:58,577 WARN L623 FunctionHandler]: Unknown extern function ax25_register_pid [2022-11-25 22:15:58,577 WARN L623 FunctionHandler]: Unknown extern function ax25_linkfail_register [2022-11-25 22:15:58,584 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:58,584 WARN L623 FunctionHandler]: Unknown extern function proto_unregister [2022-11-25 22:15:58,585 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 22:15:58,586 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 22:15:58,587 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 22:15:58,588 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 22:15:58,589 WARN L623 FunctionHandler]: Unknown extern function ax25_protocol_release [2022-11-25 22:15:58,589 WARN L623 FunctionHandler]: Unknown extern function ax25_linkfail_release [2022-11-25 22:15:58,589 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:58,590 WARN L623 FunctionHandler]: Unknown extern function ax25_listen_release [2022-11-25 22:15:58,590 WARN L623 FunctionHandler]: Unknown extern function sock_unregister [2022-11-25 22:15:58,590 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:58,591 WARN L623 FunctionHandler]: Unknown extern function proto_unregister [2022-11-25 22:15:58,600 WARN L623 FunctionHandler]: Unknown extern function sock_no_mmap [2022-11-25 22:15:58,600 WARN L623 FunctionHandler]: Unknown extern function datagram_poll [2022-11-25 22:15:58,601 WARN L623 FunctionHandler]: Unknown extern function sock_no_sendpage [2022-11-25 22:15:58,601 WARN L623 FunctionHandler]: Unknown extern function sock_no_shutdown [2022-11-25 22:15:58,602 WARN L623 FunctionHandler]: Unknown extern function sock_no_socketpair [2022-11-25 22:15:58,604 WARN L623 FunctionHandler]: Unknown extern function sock_no_mmap [2022-11-25 22:15:58,604 WARN L623 FunctionHandler]: Unknown extern function datagram_poll [2022-11-25 22:15:58,605 WARN L623 FunctionHandler]: Unknown extern function sock_no_sendpage [2022-11-25 22:15:58,605 WARN L623 FunctionHandler]: Unknown extern function sock_no_shutdown [2022-11-25 22:15:58,606 WARN L623 FunctionHandler]: Unknown extern function sock_no_socketpair [2022-11-25 22:15:58,607 WARN L623 FunctionHandler]: Unknown extern function sock_no_mmap [2022-11-25 22:15:58,607 WARN L623 FunctionHandler]: Unknown extern function datagram_poll [2022-11-25 22:15:58,608 WARN L623 FunctionHandler]: Unknown extern function sock_no_sendpage [2022-11-25 22:15:58,609 WARN L623 FunctionHandler]: Unknown extern function sock_no_shutdown [2022-11-25 22:15:58,609 WARN L623 FunctionHandler]: Unknown extern function sock_no_socketpair [2022-11-25 22:15:58,641 WARN L623 FunctionHandler]: Unknown extern function lock_sock_nested [2022-11-25 22:15:58,642 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-25 22:15:58,642 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-25 22:15:58,642 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-25 22:15:58,643 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-25 22:15:58,643 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-25 22:15:58,643 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-25 22:15:58,643 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-11-25 22:15:58,644 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-11-25 22:15:58,644 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-11-25 22:15:58,645 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 22:15:58,645 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:15:58,646 WARN L623 FunctionHandler]: Unknown extern function register_netdevice_notifier [2022-11-25 22:15:58,646 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 22:15:58,647 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:15:58,647 WARN L623 FunctionHandler]: Unknown extern function unregister_netdevice_notifier [2022-11-25 22:15:58,647 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 22:15:58,648 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:15:58,656 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:15:58,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:58,663 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 22:15:58,737 WARN L623 FunctionHandler]: Unknown extern function arp_find [2022-11-25 22:15:58,738 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,746 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,746 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,747 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:15:58,748 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:58,749 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:15:58,761 WARN L623 FunctionHandler]: Unknown extern function sock_queue_rcv_skb [2022-11-25 22:15:58,762 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:58,766 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:58,766 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:58,767 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:15:58,768 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:58,768 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:15:58,768 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:58,769 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:58,770 WARN L623 FunctionHandler]: Unknown extern function ax25_send_frame [2022-11-25 22:15:58,771 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:58,771 WARN L623 FunctionHandler]: Unknown extern function ax25_find_cb [2022-11-25 22:15:58,773 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:58,773 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:58,774 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,774 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:58,775 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:15:58,777 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,778 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:15:58,779 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,779 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:15:58,780 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,781 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 22:15:58,781 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,782 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 22:15:58,783 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:58,783 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:58,784 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:58,784 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:58,784 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:58,784 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:58,785 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:58,785 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:58,786 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:58,786 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,786 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 22:15:58,787 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:58,788 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,788 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,789 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,790 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,790 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,790 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,790 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:58,795 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:58,795 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:58,796 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:58,796 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:58,797 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:58,797 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:58,807 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:58,807 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-11-25 22:15:58,808 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 22:15:58,808 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:58,810 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:58,813 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:58,813 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:58,814 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:58,814 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 22:15:58,815 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:58,815 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:58,815 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:58,816 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:15:58,816 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 22:15:58,816 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:58,817 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:58,825 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:58,830 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:58,830 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:58,831 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:58,860 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:58,860 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:58,863 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 22:15:58,866 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:58,866 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:58,866 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:58,867 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:58,871 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:58,872 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:15:58,876 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:58,881 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:58,882 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:15:58,899 WARN L623 FunctionHandler]: Unknown extern function __dev_get_by_name [2022-11-25 22:15:58,902 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:58,902 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:15:58,903 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-11-25 22:15:58,904 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:58,904 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:15:58,906 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:58,907 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:15:58,908 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:58,908 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:15:58,910 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:58,911 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:15:58,912 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:15:58,912 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:15:58,923 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 22:15:58,933 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:58,936 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:58,936 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:58,947 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:58,947 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-11-25 22:15:58,957 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 22:15:58,959 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:15:58,960 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:15:58,961 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 22:15:58,965 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 22:15:58,965 WARN L623 FunctionHandler]: Unknown extern function ax25_display_timer [2022-11-25 22:15:58,966 WARN L623 FunctionHandler]: Unknown extern function ax25_display_timer [2022-11-25 22:15:58,966 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:58,966 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:15:58,970 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:58,970 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:15:58,971 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 22:15:59,023 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 22:15:59,024 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:59,024 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:15:59,024 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 22:15:59,025 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:59,025 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:15:59,025 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 22:15:59,032 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 22:15:59,033 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 22:15:59,033 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 22:15:59,034 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 22:15:59,034 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 22:15:59,035 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 22:15:59,046 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:15:59,047 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-11-25 22:15:59,048 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-11-25 22:15:59,048 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-11-25 22:15:59,049 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 22:15:59,049 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 22:15:59,050 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:59,050 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:59,051 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-11-25 22:15:59,051 WARN L623 FunctionHandler]: Unknown extern function skb_append [2022-11-25 22:15:59,052 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:15:59,054 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:15:59,058 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:59,059 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:15:59,069 WARN L623 FunctionHandler]: Unknown extern function asc2ax [2022-11-25 22:15:59,069 WARN L623 FunctionHandler]: Unknown extern function asc2ax [2022-11-25 22:15:59,071 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:15:59,072 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:15:59,077 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:59,078 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-11-25 22:15:59,083 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:15:59,084 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:15:59,085 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:59,085 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:59,086 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:59,086 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:59,087 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:59,088 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:15:59,096 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:59,096 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:59,096 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:59,097 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:59,097 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:59,097 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:59,098 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:59,098 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:59,098 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:59,099 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:59,099 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:59,099 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:59,100 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:59,100 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:59,100 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:59,100 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:59,101 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:15:59,101 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-11-25 22:15:59,105 WARN L623 FunctionHandler]: Unknown extern function unregister_net_sysctl_table [2022-11-25 22:15:59,106 WARN L623 FunctionHandler]: Unknown extern function register_net_sysctl [2022-11-25 22:15:59,106 WARN L623 FunctionHandler]: Unknown extern function ldv_register_net_sysctl [2022-11-25 22:15:59,120 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:15:59,126 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:15:59,153 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680431,680444] [2022-11-25 22:15:59,158 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680576,680589] [2022-11-25 22:15:59,158 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680722,680735] [2022-11-25 22:15:59,159 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680887,680900] [2022-11-25 22:15:59,159 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681045,681058] [2022-11-25 22:15:59,160 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681203,681216] [2022-11-25 22:15:59,160 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681361,681374] [2022-11-25 22:15:59,161 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681521,681534] [2022-11-25 22:15:59,161 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681680,681693] [2022-11-25 22:15:59,161 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681819,681832] [2022-11-25 22:15:59,162 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681961,681974] [2022-11-25 22:15:59,162 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682110,682123] [2022-11-25 22:15:59,162 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682249,682262] [2022-11-25 22:15:59,163 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682404,682417] [2022-11-25 22:15:59,163 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682564,682577] [2022-11-25 22:15:59,164 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682715,682728] [2022-11-25 22:15:59,165 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682866,682879] [2022-11-25 22:15:59,165 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683018,683031] [2022-11-25 22:15:59,165 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683167,683180] [2022-11-25 22:15:59,166 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683315,683328] [2022-11-25 22:15:59,166 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683472,683485] [2022-11-25 22:15:59,166 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683621,683634] [2022-11-25 22:15:59,167 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683777,683790] [2022-11-25 22:15:59,167 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683930,683943] [2022-11-25 22:15:59,167 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684076,684089] [2022-11-25 22:15:59,168 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684219,684232] [2022-11-25 22:15:59,168 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684371,684384] [2022-11-25 22:15:59,169 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684517,684530] [2022-11-25 22:15:59,170 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684662,684675] [2022-11-25 22:15:59,170 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684816,684829] [2022-11-25 22:15:59,171 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684967,684980] [2022-11-25 22:15:59,171 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685122,685135] [2022-11-25 22:15:59,171 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685274,685287] [2022-11-25 22:15:59,172 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685429,685442] [2022-11-25 22:15:59,172 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685593,685606] [2022-11-25 22:15:59,172 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685749,685762] [2022-11-25 22:15:59,173 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685913,685926] [2022-11-25 22:15:59,174 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686055,686068] [2022-11-25 22:15:59,174 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686213,686226] [2022-11-25 22:15:59,174 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686380,686393] [2022-11-25 22:15:59,175 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686539,686552] [2022-11-25 22:15:59,176 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686698,686711] [2022-11-25 22:15:59,176 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686847,686860] [2022-11-25 22:15:59,178 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686994,687007] [2022-11-25 22:15:59,178 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687133,687146] [2022-11-25 22:15:59,179 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687296,687309] [2022-11-25 22:15:59,179 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687462,687475] [2022-11-25 22:15:59,179 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687626,687639] [2022-11-25 22:15:59,180 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687791,687804] [2022-11-25 22:15:59,180 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687956,687969] [2022-11-25 22:15:59,180 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688122,688135] [2022-11-25 22:15:59,181 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688287,688300] [2022-11-25 22:15:59,181 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688454,688467] [2022-11-25 22:15:59,182 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688614,688627] [2022-11-25 22:15:59,182 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688776,688789] [2022-11-25 22:15:59,182 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688935,688948] [2022-11-25 22:15:59,183 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689081,689094] [2022-11-25 22:15:59,183 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689224,689237] [2022-11-25 22:15:59,183 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689368,689381] [2022-11-25 22:15:59,184 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689511,689524] [2022-11-25 22:15:59,184 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689655,689668] [2022-11-25 22:15:59,185 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689796,689809] [2022-11-25 22:15:59,185 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689934,689947] [2022-11-25 22:15:59,185 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690092,690105] [2022-11-25 22:15:59,186 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690251,690264] [2022-11-25 22:15:59,191 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690407,690420] [2022-11-25 22:15:59,192 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690556,690569] [2022-11-25 22:15:59,192 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690708,690721] [2022-11-25 22:15:59,192 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690859,690872] [2022-11-25 22:15:59,193 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691008,691021] [2022-11-25 22:15:59,193 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691160,691173] [2022-11-25 22:15:59,193 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691308,691321] [2022-11-25 22:15:59,194 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691461,691474] [2022-11-25 22:15:59,195 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691612,691625] [2022-11-25 22:15:59,195 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691762,691775] [2022-11-25 22:15:59,196 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691909,691922] [2022-11-25 22:15:59,196 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692060,692073] [2022-11-25 22:15:59,196 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692211,692224] [2022-11-25 22:15:59,198 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692359,692372] [2022-11-25 22:15:59,198 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692525,692538] [2022-11-25 22:15:59,199 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692694,692707] [2022-11-25 22:15:59,199 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692861,692874] [2022-11-25 22:15:59,200 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693029,693042] [2022-11-25 22:15:59,200 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693179,693192] [2022-11-25 22:15:59,200 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693326,693339] [2022-11-25 22:15:59,202 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693487,693500] [2022-11-25 22:15:59,202 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693657,693670] [2022-11-25 22:15:59,202 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_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693819,693832] [2022-11-25 22:15:59,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:15:59,657 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:15:59,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:15:59 WrapperNode [2022-11-25 22:15:59,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:15:59,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:15:59,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:15:59,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:15:59,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:15:59" (1/1) ... [2022-11-25 22:15:59,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:15:59" (1/1) ... [2022-11-25 22:16:00,128 INFO L138 Inliner]: procedures = 963, calls = 5049, calls flagged for inlining = 494, calls inlined = 305, statements flattened = 9457 [2022-11-25 22:16:00,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:16:00,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:16:00,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:16:00,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:16:00,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:15:59" (1/1) ... [2022-11-25 22:16:00,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:15:59" (1/1) ... [2022-11-25 22:16:00,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:15:59" (1/1) ... [2022-11-25 22:16:00,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:15:59" (1/1) ... [2022-11-25 22:16:00,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:15:59" (1/1) ... [2022-11-25 22:16:00,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:15:59" (1/1) ... [2022-11-25 22:16:00,593 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:15:59" (1/1) ... [2022-11-25 22:16:00,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:15:59" (1/1) ... [2022-11-25 22:16:00,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:16:00,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:16:00,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:16:00,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:16:00,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:15:59" (1/1) ... [2022-11-25 22:16:00,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:16:00,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:16:00,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:16:00,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:16:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure rose_stop_timer [2022-11-25 22:16:00,830 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_stop_timer [2022-11-25 22:16:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-25 22:16:00,830 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-25 22:16:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-25 22:16:00,831 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-25 22:16:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-25 22:16:00,831 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-25 22:16:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure rose_start_heartbeat [2022-11-25 22:16:00,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_start_heartbeat [2022-11-25 22:16:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure sock_init_data [2022-11-25 22:16:00,831 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_init_data [2022-11-25 22:16:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-25 22:16:00,832 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-25 22:16:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_135 [2022-11-25 22:16:00,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_135 [2022-11-25 22:16:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure proto_unregister [2022-11-25 22:16:00,832 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_unregister [2022-11-25 22:16:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 22:16:00,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 22:16:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:16:00,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:16:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure rose_add_loopback_node [2022-11-25 22:16:00,833 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_add_loopback_node [2022-11-25 22:16:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-11-25 22:16:00,833 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-11-25 22:16:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure sock_set_flag [2022-11-25 22:16:00,833 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_set_flag [2022-11-25 22:16:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 22:16:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-11-25 22:16:00,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-11-25 22:16:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure rose_send_frame [2022-11-25 22:16:00,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_send_frame [2022-11-25 22:16:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure rose_destroy_socket [2022-11-25 22:16:00,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_destroy_socket [2022-11-25 22:16:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure rose_write_internal [2022-11-25 22:16:00,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_write_internal [2022-11-25 22:16:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-11-25 22:16:00,835 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-11-25 22:16:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure rose_del_loopback_node [2022-11-25 22:16:00,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_del_loopback_node [2022-11-25 22:16:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 22:16:00,835 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 22:16:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-25 22:16:00,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-25 22:16:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure rose_requeue_frames [2022-11-25 22:16:00,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_requeue_frames [2022-11-25 22:16:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure rose_rx_call_request [2022-11-25 22:16:00,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_rx_call_request [2022-11-25 22:16:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-25 22:16:00,836 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-25 22:16:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure rose_dev_get [2022-11-25 22:16:00,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_dev_get [2022-11-25 22:16:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure sock_wfree [2022-11-25 22:16:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 22:16:00,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 22:16:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure rose_new_lci [2022-11-25 22:16:00,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_new_lci [2022-11-25 22:16:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2022-11-25 22:16:00,837 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_open [2022-11-25 22:16:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 22:16:00,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 22:16:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:16:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 22:16:00,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 22:16:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure rose_neigh_open [2022-11-25 22:16:00,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_neigh_open [2022-11-25 22:16:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 22:16:00,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 22:16:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure rose_validate_nr [2022-11-25 22:16:00,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_validate_nr [2022-11-25 22:16:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 22:16:00,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 22:16:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-25 22:16:00,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-25 22:16:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure sock_flag [2022-11-25 22:16:00,840 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_flag [2022-11-25 22:16:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2022-11-25 22:16:00,840 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2022-11-25 22:16:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:16:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:16:00,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 22:16:00,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 22:16:00,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:16:00,841 INFO L130 BoogieDeclarations]: Found specification of procedure ax2asc [2022-11-25 22:16:00,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ax2asc [2022-11-25 22:16:00,841 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 22:16:00,841 INFO L130 BoogieDeclarations]: Found specification of procedure rose_start_t0timer [2022-11-25 22:16:00,841 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_start_t0timer [2022-11-25 22:16:00,842 INFO L130 BoogieDeclarations]: Found specification of procedure rose_transmit_restart_request [2022-11-25 22:16:00,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_transmit_restart_request [2022-11-25 22:16:00,842 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-25 22:16:00,842 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-25 22:16:00,842 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 22:16:00,842 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 22:16:00,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 22:16:00,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 22:16:00,842 INFO L130 BoogieDeclarations]: Found specification of procedure rose_process_rx_frame [2022-11-25 22:16:00,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_process_rx_frame [2022-11-25 22:16:00,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:16:00,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:16:00,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 22:16:00,843 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-25 22:16:00,843 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-25 22:16:00,843 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2022-11-25 22:16:00,843 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2022-11-25 22:16:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-25 22:16:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure ax25_cb_put [2022-11-25 22:16:00,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ax25_cb_put [2022-11-25 22:16:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:16:00,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:16:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2022-11-25 22:16:00,844 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2022-11-25 22:16:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure rose_clear_queues [2022-11-25 22:16:00,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_clear_queues [2022-11-25 22:16:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-25 22:16:00,845 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-25 22:16:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-25 22:16:00,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-25 22:16:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 22:16:00,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 22:16:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure rose_insert_socket [2022-11-25 22:16:00,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_insert_socket [2022-11-25 22:16:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure rose_parse_facilities [2022-11-25 22:16:00,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_parse_facilities [2022-11-25 22:16:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:16:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 22:16:00,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 22:16:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:16:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-25 22:16:00,847 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-25 22:16:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_125 [2022-11-25 22:16:00,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_125 [2022-11-25 22:16:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_126 [2022-11-25 22:16:00,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_126 [2022-11-25 22:16:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-25 22:16:00,848 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-25 22:16:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 22:16:00,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 22:16:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_127___0 [2022-11-25 22:16:00,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_127___0 [2022-11-25 22:16:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure rose_start_idletimer [2022-11-25 22:16:00,848 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_start_idletimer [2022-11-25 22:16:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-25 22:16:00,848 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-25 22:16:00,849 INFO L130 BoogieDeclarations]: Found specification of procedure rose_transmit_link [2022-11-25 22:16:00,849 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_transmit_link [2022-11-25 22:16:00,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 22:16:00,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 22:16:00,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 22:16:00,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 22:16:00,849 INFO L130 BoogieDeclarations]: Found specification of procedure rose_find_socket [2022-11-25 22:16:00,849 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_find_socket [2022-11-25 22:16:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure rose_remove_node [2022-11-25 22:16:00,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_remove_node [2022-11-25 22:16:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-25 22:16:00,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-25 22:16:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:16:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 22:16:00,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 22:16:00,850 INFO L130 BoogieDeclarations]: Found specification of procedure ax25_display_timer [2022-11-25 22:16:00,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ax25_display_timer [2022-11-25 22:16:00,851 INFO L130 BoogieDeclarations]: Found specification of procedure rose_remove_route [2022-11-25 22:16:00,851 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_remove_route [2022-11-25 22:16:00,851 INFO L130 BoogieDeclarations]: Found specification of procedure ax25_listen_release [2022-11-25 22:16:00,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ax25_listen_release [2022-11-25 22:16:00,851 INFO L130 BoogieDeclarations]: Found specification of procedure rosecmp [2022-11-25 22:16:00,851 INFO L138 BoogieDeclarations]: Found implementation of procedure rosecmp [2022-11-25 22:16:00,851 INFO L130 BoogieDeclarations]: Found specification of procedure rose_stop_ftimer [2022-11-25 22:16:00,851 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_stop_ftimer [2022-11-25 22:16:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure rose_del_route_by_neigh [2022-11-25 22:16:00,852 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_del_route_by_neigh [2022-11-25 22:16:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 22:16:00,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 22:16:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 22:16:00,852 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 22:16:00,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_134 [2022-11-25 22:16:00,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_134 [2022-11-25 22:16:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-25 22:16:00,853 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-25 22:16:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 22:16:00,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 22:16:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-25 22:16:00,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-25 22:16:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 22:16:00,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 22:16:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure rose_setup [2022-11-25 22:16:00,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_setup [2022-11-25 22:16:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure sk_wmem_alloc_get [2022-11-25 22:16:00,854 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_wmem_alloc_get [2022-11-25 22:16:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure sk_alloc [2022-11-25 22:16:00,854 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_alloc [2022-11-25 22:16:00,854 INFO L130 BoogieDeclarations]: Found specification of procedure ax25cmp [2022-11-25 22:16:00,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ax25cmp [2022-11-25 22:16:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 22:16:00,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 22:16:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-25 22:16:00,855 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-25 22:16:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure rose_start_t3timer [2022-11-25 22:16:00,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_start_t3timer [2022-11-25 22:16:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-25 22:16:00,855 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-25 22:16:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 22:16:00,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 22:16:00,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-25 22:16:00,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-25 22:16:00,857 INFO L130 BoogieDeclarations]: Found specification of procedure rose_remove_neigh [2022-11-25 22:16:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_remove_neigh [2022-11-25 22:16:00,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:16:00,858 INFO L130 BoogieDeclarations]: Found specification of procedure rose_disconnect [2022-11-25 22:16:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_disconnect [2022-11-25 22:16:00,858 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 22:16:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 22:16:00,858 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2022-11-25 22:16:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2022-11-25 22:16:00,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 22:16:00,859 INFO L130 BoogieDeclarations]: Found specification of procedure sk_rmem_alloc_get [2022-11-25 22:16:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_rmem_alloc_get [2022-11-25 22:16:00,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-25 22:16:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-25 22:16:00,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 22:16:00,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-25 22:16:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-25 22:16:00,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-25 22:16:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-25 22:16:00,860 INFO L130 BoogieDeclarations]: Found specification of procedure rose_route_free_lci [2022-11-25 22:16:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_route_free_lci [2022-11-25 22:16:00,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 22:16:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 22:16:00,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 22:16:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 22:16:00,860 INFO L130 BoogieDeclarations]: Found specification of procedure rose2asc [2022-11-25 22:16:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure rose2asc [2022-11-25 22:16:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure rose_get_neigh [2022-11-25 22:16:00,861 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_get_neigh [2022-11-25 22:16:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 22:16:00,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 22:16:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 22:16:00,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 22:16:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-11-25 22:16:00,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-11-25 22:16:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create [2022-11-25 22:16:00,862 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create [2022-11-25 22:16:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure rose_kick [2022-11-25 22:16:00,862 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_kick [2022-11-25 22:16:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_149 [2022-11-25 22:16:00,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_149 [2022-11-25 22:16:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure rose_start_t2timer [2022-11-25 22:16:00,862 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_start_t2timer [2022-11-25 22:16:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_seq_open [2022-11-25 22:16:00,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_seq_open [2022-11-25 22:16:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 22:16:00,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 22:16:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2022-11-25 22:16:00,863 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2022-11-25 22:16:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure rosecmpm [2022-11-25 22:16:00,863 INFO L138 BoogieDeclarations]: Found implementation of procedure rosecmpm [2022-11-25 22:16:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure rose_enquiry_response [2022-11-25 22:16:00,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_enquiry_response [2022-11-25 22:16:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 22:16:00,864 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 22:16:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 22:16:00,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 22:16:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_transport_header [2022-11-25 22:16:00,864 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_transport_header [2022-11-25 22:16:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-25 22:16:00,865 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-25 22:16:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure rose_kill_by_neigh [2022-11-25 22:16:00,865 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_kill_by_neigh [2022-11-25 22:16:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-25 22:16:00,865 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-25 22:16:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure rose_stop_t0timer [2022-11-25 22:16:00,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_stop_t0timer [2022-11-25 22:16:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 22:16:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 22:16:00,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 22:16:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:16:00,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:16:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-25 22:16:00,866 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-25 22:16:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-25 22:16:00,867 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-25 22:16:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure skb_orphan [2022-11-25 22:16:00,867 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_orphan [2022-11-25 22:16:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-25 22:16:00,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-25 22:16:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:16:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-25 22:16:00,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-25 22:16:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 22:16:00,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 22:16:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_150 [2022-11-25 22:16:00,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_150 [2022-11-25 22:16:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 22:16:00,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 22:16:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_hash_from_sk [2022-11-25 22:16:00,868 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_hash_from_sk [2022-11-25 22:16:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure rose_route_frame [2022-11-25 22:16:00,869 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_route_frame [2022-11-25 22:16:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 22:16:00,869 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 22:16:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure rose_stop_idletimer [2022-11-25 22:16:00,869 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_stop_idletimer [2022-11-25 22:16:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 22:16:00,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 22:16:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 22:16:00,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 22:16:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_127 [2022-11-25 22:16:00,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_127 [2022-11-25 22:16:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_128 [2022-11-25 22:16:00,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_128 [2022-11-25 22:16:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 22:16:00,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 22:16:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure rose_route_open [2022-11-25 22:16:00,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_route_open [2022-11-25 22:16:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure rose_nodes_open [2022-11-25 22:16:00,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_nodes_open [2022-11-25 22:16:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 22:16:00,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 22:16:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure rose_transmit_clear_request [2022-11-25 22:16:00,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_transmit_clear_request [2022-11-25 22:16:00,871 INFO L130 BoogieDeclarations]: Found specification of procedure ax25_cb_put___0 [2022-11-25 22:16:00,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ax25_cb_put___0 [2022-11-25 22:16:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_126___0 [2022-11-25 22:16:00,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_126___0 [2022-11-25 22:16:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 22:16:00,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 22:16:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 22:16:00,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 22:16:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-25 22:16:00,872 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-25 22:16:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure asc2ax [2022-11-25 22:16:00,873 INFO L138 BoogieDeclarations]: Found implementation of procedure asc2ax [2022-11-25 22:16:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-25 22:16:00,873 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-25 22:16:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-25 22:16:00,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-25 22:16:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:16:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure rose_frames_acked [2022-11-25 22:16:00,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_frames_acked [2022-11-25 22:16:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure net_eq [2022-11-25 22:16:00,874 INFO L138 BoogieDeclarations]: Found implementation of procedure net_eq [2022-11-25 22:16:00,874 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-25 22:16:00,874 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-25 22:16:02,217 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:16:02,221 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:16:02,725 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 22:16:59,828 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:17:01,420 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:17:01,420 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-25 22:17:01,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:17:01 BoogieIcfgContainer [2022-11-25 22:17:01,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:17:01,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:17:01,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:17:01,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:17:01,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:15:49" (1/3) ... [2022-11-25 22:17:01,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5f4544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:17:01, skipping insertion in model container [2022-11-25 22:17:01,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:15:59" (2/3) ... [2022-11-25 22:17:01,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5f4544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:17:01, skipping insertion in model container [2022-11-25 22:17:01,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:17:01" (3/3) ... [2022-11-25 22:17:01,439 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---net--rose--rose.ko.cil.i [2022-11-25 22:17:01,460 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:17:01,460 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-11-25 22:17:01,572 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:17:01,582 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;@dfc926b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:17:01,582 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-11-25 22:17:01,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 2337 states, 1358 states have (on average 1.349779086892489) internal successors, (1833), 1502 states have internal predecessors, (1833), 791 states have call successors, (791), 162 states have call predecessors, (791), 161 states have return successors, (779), 738 states have call predecessors, (779), 779 states have call successors, (779) [2022-11-25 22:17:01,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 22:17:01,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:17:01,604 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:17:01,605 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:17:01,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:17:01,613 INFO L85 PathProgramCache]: Analyzing trace with hash -771250644, now seen corresponding path program 1 times [2022-11-25 22:17:01,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:17:01,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020046102] [2022-11-25 22:17:01,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:17:01,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:17:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:17:03,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:17:03,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:17:03,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020046102] [2022-11-25 22:17:03,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020046102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:17:03,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:17:03,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 22:17:03,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614563527] [2022-11-25 22:17:03,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:17:03,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:17:03,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:17:03,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:17:03,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:17:03,721 INFO L87 Difference]: Start difference. First operand has 2337 states, 1358 states have (on average 1.349779086892489) internal successors, (1833), 1502 states have internal predecessors, (1833), 791 states have call successors, (791), 162 states have call predecessors, (791), 161 states have return successors, (779), 738 states have call predecessors, (779), 779 states have call successors, (779) Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:17:21,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:17:21,555 INFO L93 Difference]: Finished difference Result 5465 states and 8125 transitions. [2022-11-25 22:17:21,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 22:17:21,557 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2022-11-25 22:17:21,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:17:21,593 INFO L225 Difference]: With dead ends: 5465 [2022-11-25 22:17:21,594 INFO L226 Difference]: Without dead ends: 3117 [2022-11-25 22:17:21,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:17:21,622 INFO L413 NwaCegarLoop]: 3493 mSDtfsCounter, 3121 mSDsluCounter, 10227 mSDsCounter, 0 mSdLazyCounter, 3195 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3128 SdHoareTripleChecker+Valid, 13720 SdHoareTripleChecker+Invalid, 3197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:17:21,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3128 Valid, 13720 Invalid, 3197 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3195 Invalid, 0 Unknown, 0 Unchecked, 17.1s Time] [2022-11-25 22:17:21,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3117 states. [2022-11-25 22:17:22,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3117 to 3109. [2022-11-25 22:17:22,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3109 states, 1842 states have (on average 1.3268186753528772) internal successors, (2444), 2000 states have internal predecessors, (2444), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-11-25 22:17:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 3109 states and 4436 transitions. [2022-11-25 22:17:22,084 INFO L78 Accepts]: Start accepts. Automaton has 3109 states and 4436 transitions. Word has length 16 [2022-11-25 22:17:22,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:17:22,084 INFO L495 AbstractCegarLoop]: Abstraction has 3109 states and 4436 transitions. [2022-11-25 22:17:22,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:17:22,085 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 4436 transitions. [2022-11-25 22:17:22,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 22:17:22,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:17:22,086 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:17:22,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:17:22,087 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:17:22,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:17:22,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1938400162, now seen corresponding path program 1 times [2022-11-25 22:17:22,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:17:22,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935731325] [2022-11-25 22:17:22,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:17:22,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:17:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:17:22,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:17:22,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:17:22,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935731325] [2022-11-25 22:17:22,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935731325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:17:22,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:17:22,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:17:22,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985875715] [2022-11-25 22:17:22,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:17:22,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:17:22,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:17:22,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:17:22,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:17:22,476 INFO L87 Difference]: Start difference. First operand 3109 states and 4436 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:17:25,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:17:25,231 INFO L93 Difference]: Finished difference Result 6206 states and 8944 transitions. [2022-11-25 22:17:25,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:17:25,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2022-11-25 22:17:25,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:17:25,254 INFO L225 Difference]: With dead ends: 6206 [2022-11-25 22:17:25,254 INFO L226 Difference]: Without dead ends: 3103 [2022-11-25 22:17:25,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:17:25,272 INFO L413 NwaCegarLoop]: 2982 mSDtfsCounter, 3328 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3328 SdHoareTripleChecker+Valid, 2982 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:17:25,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3328 Valid, 2982 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-25 22:17:25,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3103 states. [2022-11-25 22:17:25,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3103 to 3103. [2022-11-25 22:17:25,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3103 states, 1837 states have (on average 1.3255307566684813) internal successors, (2435), 1994 states have internal predecessors, (2435), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-11-25 22:17:25,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 4427 transitions. [2022-11-25 22:17:25,472 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 4427 transitions. Word has length 19 [2022-11-25 22:17:25,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:17:25,473 INFO L495 AbstractCegarLoop]: Abstraction has 3103 states and 4427 transitions. [2022-11-25 22:17:25,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:17:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 4427 transitions. [2022-11-25 22:17:25,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-25 22:17:25,475 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:17:25,475 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:17:25,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:17:25,476 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:17:25,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:17:25,485 INFO L85 PathProgramCache]: Analyzing trace with hash -2111176268, now seen corresponding path program 1 times [2022-11-25 22:17:25,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:17:25,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086008739] [2022-11-25 22:17:25,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:17:25,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:17:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:17:26,045 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:17:26,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:17:26,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086008739] [2022-11-25 22:17:26,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086008739] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:17:26,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:17:26,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:17:26,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780283936] [2022-11-25 22:17:26,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:17:26,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:17:26,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:17:26,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:17:26,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:17:26,047 INFO L87 Difference]: Start difference. First operand 3103 states and 4427 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 22:17:32,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:17:32,013 INFO L93 Difference]: Finished difference Result 3103 states and 4427 transitions. [2022-11-25 22:17:32,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:17:32,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 38 [2022-11-25 22:17:32,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:17:32,035 INFO L225 Difference]: With dead ends: 3103 [2022-11-25 22:17:32,036 INFO L226 Difference]: Without dead ends: 3101 [2022-11-25 22:17:32,038 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 [2022-11-25 22:17:32,041 INFO L413 NwaCegarLoop]: 2979 mSDtfsCounter, 3321 mSDsluCounter, 2979 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3323 SdHoareTripleChecker+Valid, 5958 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:17:32,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3323 Valid, 5958 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-25 22:17:32,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2022-11-25 22:17:32,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 3101. [2022-11-25 22:17:32,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3101 states, 1836 states have (on average 1.3251633986928104) internal successors, (2433), 1992 states have internal predecessors, (2433), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-11-25 22:17:32,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 3101 states and 4425 transitions. [2022-11-25 22:17:32,243 INFO L78 Accepts]: Start accepts. Automaton has 3101 states and 4425 transitions. Word has length 38 [2022-11-25 22:17:32,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:17:32,244 INFO L495 AbstractCegarLoop]: Abstraction has 3101 states and 4425 transitions. [2022-11-25 22:17:32,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 22:17:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand 3101 states and 4425 transitions. [2022-11-25 22:17:32,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 22:17:32,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:17:32,252 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:17:32,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:17:32,252 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:17:32,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:17:32,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1953254279, now seen corresponding path program 1 times [2022-11-25 22:17:32,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:17:32,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910690740] [2022-11-25 22:17:32,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:17:32,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:17:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:17:32,779 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:17:32,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:17:32,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910690740] [2022-11-25 22:17:32,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910690740] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:17:32,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:17:32,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:17:32,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775411450] [2022-11-25 22:17:32,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:17:32,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:17:32,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:17:32,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:17:32,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:17:32,781 INFO L87 Difference]: Start difference. First operand 3101 states and 4425 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, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 22:17:38,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:17:38,124 INFO L93 Difference]: Finished difference Result 3101 states and 4425 transitions. [2022-11-25 22:17:38,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:17:38,125 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, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2022-11-25 22:17:38,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:17:38,143 INFO L225 Difference]: With dead ends: 3101 [2022-11-25 22:17:38,143 INFO L226 Difference]: Without dead ends: 3099 [2022-11-25 22:17:38,145 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 [2022-11-25 22:17:38,146 INFO L413 NwaCegarLoop]: 2977 mSDtfsCounter, 3318 mSDsluCounter, 2977 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3320 SdHoareTripleChecker+Valid, 5954 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:17:38,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3320 Valid, 5954 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-25 22:17:38,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3099 states. [2022-11-25 22:17:38,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3099 to 3099. [2022-11-25 22:17:38,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3099 states, 1835 states have (on average 1.3247956403269754) internal successors, (2431), 1990 states have internal predecessors, (2431), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-11-25 22:17:38,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 4423 transitions. [2022-11-25 22:17:38,374 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 4423 transitions. Word has length 43 [2022-11-25 22:17:38,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:17:38,375 INFO L495 AbstractCegarLoop]: Abstraction has 3099 states and 4423 transitions. [2022-11-25 22:17:38,375 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, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 22:17:38,376 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 4423 transitions. [2022-11-25 22:17:38,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-25 22:17:38,381 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:17:38,381 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:17:38,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:17:38,382 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:17:38,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:17:38,382 INFO L85 PathProgramCache]: Analyzing trace with hash -588406478, now seen corresponding path program 1 times [2022-11-25 22:17:38,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:17:38,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758486021] [2022-11-25 22:17:38,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:17:38,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:17:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:17:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:17:38,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:17:38,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758486021] [2022-11-25 22:17:38,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758486021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:17:38,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:17:38,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:17:38,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177540011] [2022-11-25 22:17:38,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:17:38,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:17:38,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:17:38,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:17:38,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:17:38,907 INFO L87 Difference]: Start difference. First operand 3099 states and 4423 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) [2022-11-25 22:17:43,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:17:43,999 INFO L93 Difference]: Finished difference Result 3099 states and 4423 transitions. [2022-11-25 22:17:44,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:17:44,000 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 48 [2022-11-25 22:17:44,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:17:44,020 INFO L225 Difference]: With dead ends: 3099 [2022-11-25 22:17:44,020 INFO L226 Difference]: Without dead ends: 3097 [2022-11-25 22:17:44,022 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 [2022-11-25 22:17:44,023 INFO L413 NwaCegarLoop]: 2975 mSDtfsCounter, 3315 mSDsluCounter, 2975 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3317 SdHoareTripleChecker+Valid, 5950 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:17:44,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3317 Valid, 5950 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-11-25 22:17:44,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3097 states. [2022-11-25 22:17:44,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3097 to 3097. [2022-11-25 22:17:44,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3097 states, 1834 states have (on average 1.3244274809160306) internal successors, (2429), 1988 states have internal predecessors, (2429), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-11-25 22:17:44,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 3097 states and 4421 transitions. [2022-11-25 22:17:44,246 INFO L78 Accepts]: Start accepts. Automaton has 3097 states and 4421 transitions. Word has length 48 [2022-11-25 22:17:44,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:17:44,247 INFO L495 AbstractCegarLoop]: Abstraction has 3097 states and 4421 transitions. [2022-11-25 22:17:44,247 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) [2022-11-25 22:17:44,247 INFO L276 IsEmpty]: Start isEmpty. Operand 3097 states and 4421 transitions. [2022-11-25 22:17:44,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-25 22:17:44,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:17:44,249 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:17:44,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:17:44,250 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:17:44,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:17:44,251 INFO L85 PathProgramCache]: Analyzing trace with hash -589750216, now seen corresponding path program 1 times [2022-11-25 22:17:44,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:17:44,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166532117] [2022-11-25 22:17:44,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:17:44,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:17:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:17:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:17:44,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:17:44,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166532117] [2022-11-25 22:17:44,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166532117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:17:44,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:17:44,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:17:44,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670139535] [2022-11-25 22:17:44,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:17:44,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:17:44,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:17:44,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:17:44,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:17:44,733 INFO L87 Difference]: Start difference. First operand 3097 states and 4421 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) [2022-11-25 22:17:49,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:17:49,838 INFO L93 Difference]: Finished difference Result 3097 states and 4421 transitions. [2022-11-25 22:17:49,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:17:49,839 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 53 [2022-11-25 22:17:49,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:17:49,861 INFO L225 Difference]: With dead ends: 3097 [2022-11-25 22:17:49,861 INFO L226 Difference]: Without dead ends: 3095 [2022-11-25 22:17:49,863 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 [2022-11-25 22:17:49,865 INFO L413 NwaCegarLoop]: 2973 mSDtfsCounter, 3312 mSDsluCounter, 2973 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3314 SdHoareTripleChecker+Valid, 5946 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:17:49,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3314 Valid, 5946 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-11-25 22:17:49,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3095 states. [2022-11-25 22:17:50,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3095 to 3095. [2022-11-25 22:17:50,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3095 states, 1833 states have (on average 1.3240589198036006) internal successors, (2427), 1986 states have internal predecessors, (2427), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-11-25 22:17:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 3095 states and 4419 transitions. [2022-11-25 22:17:50,220 INFO L78 Accepts]: Start accepts. Automaton has 3095 states and 4419 transitions. Word has length 53 [2022-11-25 22:17:50,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:17:50,221 INFO L495 AbstractCegarLoop]: Abstraction has 3095 states and 4419 transitions. [2022-11-25 22:17:50,221 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) [2022-11-25 22:17:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 4419 transitions. [2022-11-25 22:17:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-25 22:17:50,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:17:50,224 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:17:50,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 22:17:50,224 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:17:50,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:17:50,224 INFO L85 PathProgramCache]: Analyzing trace with hash -901102862, now seen corresponding path program 1 times [2022-11-25 22:17:50,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:17:50,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872384305] [2022-11-25 22:17:50,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:17:50,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:17:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:17:50,687 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:17:50,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:17:50,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872384305] [2022-11-25 22:17:50,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872384305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:17:50,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:17:50,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:17:50,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304549417] [2022-11-25 22:17:50,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:17:50,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:17:50,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:17:50,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:17:50,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:17:50,689 INFO L87 Difference]: Start difference. First operand 3095 states and 4419 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) [2022-11-25 22:17:55,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:17:55,410 INFO L93 Difference]: Finished difference Result 3095 states and 4419 transitions. [2022-11-25 22:17:55,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:17:55,410 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 58 [2022-11-25 22:17:55,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:17:55,427 INFO L225 Difference]: With dead ends: 3095 [2022-11-25 22:17:55,427 INFO L226 Difference]: Without dead ends: 3093 [2022-11-25 22:17:55,429 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 [2022-11-25 22:17:55,430 INFO L413 NwaCegarLoop]: 2971 mSDtfsCounter, 3309 mSDsluCounter, 2971 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3311 SdHoareTripleChecker+Valid, 5942 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:17:55,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3311 Valid, 5942 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-25 22:17:55,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3093 states. [2022-11-25 22:17:55,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3093 to 3093. [2022-11-25 22:17:55,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3093 states, 1832 states have (on average 1.3236899563318778) internal successors, (2425), 1984 states have internal predecessors, (2425), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-11-25 22:17:55,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3093 states to 3093 states and 4417 transitions. [2022-11-25 22:17:55,683 INFO L78 Accepts]: Start accepts. Automaton has 3093 states and 4417 transitions. Word has length 58 [2022-11-25 22:17:55,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:17:55,686 INFO L495 AbstractCegarLoop]: Abstraction has 3093 states and 4417 transitions. [2022-11-25 22:17:55,686 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) [2022-11-25 22:17:55,686 INFO L276 IsEmpty]: Start isEmpty. Operand 3093 states and 4417 transitions. [2022-11-25 22:17:55,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-25 22:17:55,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:17:55,687 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:17:55,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 22:17:55,688 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:17:55,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:17:55,688 INFO L85 PathProgramCache]: Analyzing trace with hash -553826378, now seen corresponding path program 1 times [2022-11-25 22:17:55,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:17:55,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776867502] [2022-11-25 22:17:55,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:17:55,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:17:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:17:56,139 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:17:56,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:17:56,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776867502] [2022-11-25 22:17:56,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776867502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:17:56,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:17:56,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:17:56,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850973337] [2022-11-25 22:17:56,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:17:56,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:17:56,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:17:56,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:17:56,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:17:56,141 INFO L87 Difference]: Start difference. First operand 3093 states and 4417 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) [2022-11-25 22:18:01,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:18:01,276 INFO L93 Difference]: Finished difference Result 3093 states and 4417 transitions. [2022-11-25 22:18:01,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:18:01,276 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 63 [2022-11-25 22:18:01,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:18:01,290 INFO L225 Difference]: With dead ends: 3093 [2022-11-25 22:18:01,290 INFO L226 Difference]: Without dead ends: 3091 [2022-11-25 22:18:01,291 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 [2022-11-25 22:18:01,292 INFO L413 NwaCegarLoop]: 2969 mSDtfsCounter, 3306 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3308 SdHoareTripleChecker+Valid, 5938 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:18:01,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3308 Valid, 5938 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-25 22:18:01,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3091 states. [2022-11-25 22:18:01,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3091 to 3091. [2022-11-25 22:18:01,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3091 states, 1831 states have (on average 1.3233205898416167) internal successors, (2423), 1982 states have internal predecessors, (2423), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-11-25 22:18:01,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3091 states to 3091 states and 4415 transitions. [2022-11-25 22:18:01,556 INFO L78 Accepts]: Start accepts. Automaton has 3091 states and 4415 transitions. Word has length 63 [2022-11-25 22:18:01,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:18:01,556 INFO L495 AbstractCegarLoop]: Abstraction has 3091 states and 4415 transitions. [2022-11-25 22:18:01,557 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) [2022-11-25 22:18:01,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3091 states and 4415 transitions. [2022-11-25 22:18:01,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-25 22:18:01,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:18:01,560 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:18:01,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 22:18:01,560 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:18:01,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:18:01,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1468966371, now seen corresponding path program 1 times [2022-11-25 22:18:01,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:18:01,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856401081] [2022-11-25 22:18:01,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:18:01,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:18:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:18:02,000 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:18:02,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:18:02,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856401081] [2022-11-25 22:18:02,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856401081] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:18:02,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:18:02,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:18:02,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181216968] [2022-11-25 22:18:02,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:18:02,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:18:02,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:18:02,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:18:02,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:18:02,002 INFO L87 Difference]: Start difference. First operand 3091 states and 4415 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) [2022-11-25 22:18:07,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:18:07,173 INFO L93 Difference]: Finished difference Result 3091 states and 4415 transitions. [2022-11-25 22:18:07,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:18:07,173 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 68 [2022-11-25 22:18:07,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:18:07,190 INFO L225 Difference]: With dead ends: 3091 [2022-11-25 22:18:07,191 INFO L226 Difference]: Without dead ends: 3089 [2022-11-25 22:18:07,193 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 [2022-11-25 22:18:07,194 INFO L413 NwaCegarLoop]: 2967 mSDtfsCounter, 3303 mSDsluCounter, 2967 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3305 SdHoareTripleChecker+Valid, 5934 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:18:07,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3305 Valid, 5934 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-11-25 22:18:07,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3089 states. [2022-11-25 22:18:07,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3089 to 3089. [2022-11-25 22:18:07,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3089 states, 1830 states have (on average 1.3229508196721311) internal successors, (2421), 1980 states have internal predecessors, (2421), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-11-25 22:18:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3089 states to 3089 states and 4413 transitions. [2022-11-25 22:18:07,470 INFO L78 Accepts]: Start accepts. Automaton has 3089 states and 4413 transitions. Word has length 68 [2022-11-25 22:18:07,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:18:07,471 INFO L495 AbstractCegarLoop]: Abstraction has 3089 states and 4413 transitions. [2022-11-25 22:18:07,471 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) [2022-11-25 22:18:07,471 INFO L276 IsEmpty]: Start isEmpty. Operand 3089 states and 4413 transitions. [2022-11-25 22:18:07,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-25 22:18:07,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:18:07,474 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:18:07,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 22:18:07,475 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:18:07,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:18:07,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1766168495, now seen corresponding path program 1 times [2022-11-25 22:18:07,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:18:07,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407574559] [2022-11-25 22:18:07,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:18:07,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:18:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:18:07,906 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:18:07,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:18:07,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407574559] [2022-11-25 22:18:07,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407574559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:18:07,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:18:07,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:18:07,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138579569] [2022-11-25 22:18:07,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:18:07,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:18:07,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:18:07,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:18:07,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:18:07,908 INFO L87 Difference]: Start difference. First operand 3089 states and 4413 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) [2022-11-25 22:18:12,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:18:12,867 INFO L93 Difference]: Finished difference Result 3089 states and 4413 transitions. [2022-11-25 22:18:12,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:18:12,868 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 73 [2022-11-25 22:18:12,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:18:12,884 INFO L225 Difference]: With dead ends: 3089 [2022-11-25 22:18:12,884 INFO L226 Difference]: Without dead ends: 3087 [2022-11-25 22:18:12,886 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 [2022-11-25 22:18:12,887 INFO L413 NwaCegarLoop]: 2965 mSDtfsCounter, 3304 mSDsluCounter, 2961 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3306 SdHoareTripleChecker+Valid, 5926 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:18:12,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3306 Valid, 5926 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-25 22:18:12,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3087 states. [2022-11-25 22:18:13,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3087 to 3087. [2022-11-25 22:18:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3087 states, 1829 states have (on average 1.3225806451612903) internal successors, (2419), 1978 states have internal predecessors, (2419), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-11-25 22:18:13,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 3087 states and 4411 transitions. [2022-11-25 22:18:13,176 INFO L78 Accepts]: Start accepts. Automaton has 3087 states and 4411 transitions. Word has length 73 [2022-11-25 22:18:13,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:18:13,177 INFO L495 AbstractCegarLoop]: Abstraction has 3087 states and 4411 transitions. [2022-11-25 22:18:13,177 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) [2022-11-25 22:18:13,177 INFO L276 IsEmpty]: Start isEmpty. Operand 3087 states and 4411 transitions. [2022-11-25 22:18:13,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-25 22:18:13,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:18:13,179 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:18:13,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 22:18:13,179 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:18:13,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:18:13,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1963772519, now seen corresponding path program 1 times [2022-11-25 22:18:13,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:18:13,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804359918] [2022-11-25 22:18:13,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:18:13,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:18:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:18:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-25 22:18:13,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:18:13,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804359918] [2022-11-25 22:18:13,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804359918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:18:13,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:18:13,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:18:13,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306629271] [2022-11-25 22:18:13,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:18:13,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:18:13,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:18:13,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:18:13,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:18:13,981 INFO L87 Difference]: Start difference. First operand 3087 states and 4411 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 22:18:23,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:18:23,479 INFO L93 Difference]: Finished difference Result 5880 states and 8390 transitions. [2022-11-25 22:18:23,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:18:23,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2022-11-25 22:18:23,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:18:23,513 INFO L225 Difference]: With dead ends: 5880 [2022-11-25 22:18:23,513 INFO L226 Difference]: Without dead ends: 5878 [2022-11-25 22:18:23,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:18:23,517 INFO L413 NwaCegarLoop]: 3675 mSDtfsCounter, 3225 mSDsluCounter, 9993 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3230 SdHoareTripleChecker+Valid, 13668 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:18:23,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3230 Valid, 13668 Invalid, 1415 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1412 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-11-25 22:18:23,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5878 states. [2022-11-25 22:18:24,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5878 to 5839. [2022-11-25 22:18:24,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5839 states, 3473 states have (on average 1.3245033112582782) internal successors, (4600), 3748 states have internal predecessors, (4600), 1874 states have call successors, (1874), 480 states have call predecessors, (1874), 475 states have return successors, (1892), 1770 states have call predecessors, (1892), 1872 states have call successors, (1892) [2022-11-25 22:18:24,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5839 states to 5839 states and 8366 transitions. [2022-11-25 22:18:24,107 INFO L78 Accepts]: Start accepts. Automaton has 5839 states and 8366 transitions. Word has length 74 [2022-11-25 22:18:24,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:18:24,107 INFO L495 AbstractCegarLoop]: Abstraction has 5839 states and 8366 transitions. [2022-11-25 22:18:24,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 22:18:24,108 INFO L276 IsEmpty]: Start isEmpty. Operand 5839 states and 8366 transitions. [2022-11-25 22:18:24,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-25 22:18:24,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:18:24,113 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:18:24,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 22:18:24,113 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:18:24,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:18:24,114 INFO L85 PathProgramCache]: Analyzing trace with hash 776010418, now seen corresponding path program 1 times [2022-11-25 22:18:24,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:18:24,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534651698] [2022-11-25 22:18:24,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:18:24,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:18:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:18:24,580 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:18:24,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:18:24,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534651698] [2022-11-25 22:18:24,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534651698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:18:24,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:18:24,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:18:24,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519044438] [2022-11-25 22:18:24,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:18:24,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:18:24,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:18:24,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:18:24,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:18:24,582 INFO L87 Difference]: Start difference. First operand 5839 states and 8366 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-11-25 22:18:29,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:18:29,916 INFO L93 Difference]: Finished difference Result 5839 states and 8366 transitions. [2022-11-25 22:18:29,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:18:29,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 75 [2022-11-25 22:18:29,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:18:29,946 INFO L225 Difference]: With dead ends: 5839 [2022-11-25 22:18:29,946 INFO L226 Difference]: Without dead ends: 5837 [2022-11-25 22:18:29,950 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 [2022-11-25 22:18:29,951 INFO L413 NwaCegarLoop]: 2963 mSDtfsCounter, 3296 mSDsluCounter, 2963 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3298 SdHoareTripleChecker+Valid, 5926 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:18:29,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3298 Valid, 5926 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-25 22:18:29,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5837 states. [2022-11-25 22:18:30,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5837 to 5837. [2022-11-25 22:18:30,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5837 states, 3472 states have (on average 1.3240207373271888) internal successors, (4597), 3746 states have internal predecessors, (4597), 1874 states have call successors, (1874), 480 states have call predecessors, (1874), 475 states have return successors, (1892), 1770 states have call predecessors, (1892), 1872 states have call successors, (1892) [2022-11-25 22:18:30,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5837 states to 5837 states and 8363 transitions. [2022-11-25 22:18:30,544 INFO L78 Accepts]: Start accepts. Automaton has 5837 states and 8363 transitions. Word has length 75 [2022-11-25 22:18:30,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:18:30,545 INFO L495 AbstractCegarLoop]: Abstraction has 5837 states and 8363 transitions. [2022-11-25 22:18:30,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-11-25 22:18:30,546 INFO L276 IsEmpty]: Start isEmpty. Operand 5837 states and 8363 transitions. [2022-11-25 22:18:30,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-25 22:18:30,547 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:18:30,548 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:18:30,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 22:18:30,548 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:18:30,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:18:30,549 INFO L85 PathProgramCache]: Analyzing trace with hash 643965176, now seen corresponding path program 1 times [2022-11-25 22:18:30,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:18:30,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571451120] [2022-11-25 22:18:30,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:18:30,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:18:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:18:31,028 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:18:31,029 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:18:31,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571451120] [2022-11-25 22:18:31,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571451120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:18:31,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:18:31,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:18:31,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254615652] [2022-11-25 22:18:31,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:18:31,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:18:31,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:18:31,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:18:31,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:18:31,032 INFO L87 Difference]: Start difference. First operand 5837 states and 8363 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2022-11-25 22:18:36,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:18:36,539 INFO L93 Difference]: Finished difference Result 5837 states and 8363 transitions. [2022-11-25 22:18:36,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:18:36,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 80 [2022-11-25 22:18:36,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:18:36,568 INFO L225 Difference]: With dead ends: 5837 [2022-11-25 22:18:36,569 INFO L226 Difference]: Without dead ends: 5835 [2022-11-25 22:18:36,573 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 [2022-11-25 22:18:36,574 INFO L413 NwaCegarLoop]: 2961 mSDtfsCounter, 3295 mSDsluCounter, 2961 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3297 SdHoareTripleChecker+Valid, 5922 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:18:36,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3297 Valid, 5922 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-25 22:18:36,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5835 states. [2022-11-25 22:18:37,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5835 to 5835. [2022-11-25 22:18:37,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5835 states, 3471 states have (on average 1.323537885335638) internal successors, (4594), 3744 states have internal predecessors, (4594), 1874 states have call successors, (1874), 480 states have call predecessors, (1874), 475 states have return successors, (1892), 1770 states have call predecessors, (1892), 1872 states have call successors, (1892) [2022-11-25 22:18:37,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5835 states to 5835 states and 8360 transitions. [2022-11-25 22:18:37,221 INFO L78 Accepts]: Start accepts. Automaton has 5835 states and 8360 transitions. Word has length 80 [2022-11-25 22:18:37,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:18:37,222 INFO L495 AbstractCegarLoop]: Abstraction has 5835 states and 8360 transitions. [2022-11-25 22:18:37,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2022-11-25 22:18:37,222 INFO L276 IsEmpty]: Start isEmpty. Operand 5835 states and 8360 transitions. [2022-11-25 22:18:37,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-25 22:18:37,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:18:37,225 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:18:37,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 22:18:37,225 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:18:37,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:18:37,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1189594253, now seen corresponding path program 1 times [2022-11-25 22:18:37,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:18:37,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498935667] [2022-11-25 22:18:37,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:18:37,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:18:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:18:37,837 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:18:37,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:18:37,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498935667] [2022-11-25 22:18:37,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498935667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:18:37,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:18:37,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:18:37,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149657219] [2022-11-25 22:18:37,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:18:37,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:18:37,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:18:37,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:18:37,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:18:37,839 INFO L87 Difference]: Start difference. First operand 5835 states and 8360 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) [2022-11-25 22:18:43,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:18:43,266 INFO L93 Difference]: Finished difference Result 5835 states and 8360 transitions. [2022-11-25 22:18:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:18:43,267 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 85 [2022-11-25 22:18:43,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:18:43,295 INFO L225 Difference]: With dead ends: 5835 [2022-11-25 22:18:43,295 INFO L226 Difference]: Without dead ends: 5833 [2022-11-25 22:18:43,300 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 [2022-11-25 22:18:43,300 INFO L413 NwaCegarLoop]: 2959 mSDtfsCounter, 3292 mSDsluCounter, 2959 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3294 SdHoareTripleChecker+Valid, 5918 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:18:43,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3294 Valid, 5918 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-11-25 22:18:43,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5833 states. [2022-11-25 22:18:44,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5833 to 5833. [2022-11-25 22:18:44,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5833 states, 3470 states have (on average 1.3230547550432277) internal successors, (4591), 3742 states have internal predecessors, (4591), 1874 states have call successors, (1874), 480 states have call predecessors, (1874), 475 states have return successors, (1892), 1770 states have call predecessors, (1892), 1872 states have call successors, (1892) [2022-11-25 22:18:44,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5833 states to 5833 states and 8357 transitions. [2022-11-25 22:18:44,095 INFO L78 Accepts]: Start accepts. Automaton has 5833 states and 8357 transitions. Word has length 85 [2022-11-25 22:18:44,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:18:44,097 INFO L495 AbstractCegarLoop]: Abstraction has 5833 states and 8357 transitions. [2022-11-25 22:18:44,097 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) [2022-11-25 22:18:44,097 INFO L276 IsEmpty]: Start isEmpty. Operand 5833 states and 8357 transitions. [2022-11-25 22:18:44,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-25 22:18:44,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:18:44,100 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:18:44,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 22:18:44,100 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:18:44,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:18:44,101 INFO L85 PathProgramCache]: Analyzing trace with hash -467527094, now seen corresponding path program 1 times [2022-11-25 22:18:44,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:18:44,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462121930] [2022-11-25 22:18:44,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:18:44,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:18:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:18:44,544 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 22:18:44,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:18:44,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462121930] [2022-11-25 22:18:44,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462121930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:18:44,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:18:44,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:18:44,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41724781] [2022-11-25 22:18:44,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:18:44,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:18:44,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:18:44,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:18:44,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:18:44,546 INFO L87 Difference]: Start difference. First operand 5833 states and 8357 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-25 22:18:55,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:18:55,014 INFO L93 Difference]: Finished difference Result 11613 states and 16636 transitions. [2022-11-25 22:18:55,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:18:55,014 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), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 102 [2022-11-25 22:18:55,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:18:55,038 INFO L225 Difference]: With dead ends: 11613 [2022-11-25 22:18:55,039 INFO L226 Difference]: Without dead ends: 5898 [2022-11-25 22:18:55,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:18:55,063 INFO L413 NwaCegarLoop]: 2957 mSDtfsCounter, 3360 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 2299 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3383 SdHoareTripleChecker+Valid, 4355 SdHoareTripleChecker+Invalid, 2323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:18:55,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3383 Valid, 4355 Invalid, 2323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2299 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-11-25 22:18:55,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5898 states. [2022-11-25 22:18:55,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5898 to 5834. [2022-11-25 22:18:55,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5834 states, 3471 states have (on average 1.3226735811005474) internal successors, (4591), 3743 states have internal predecessors, (4591), 1874 states have call successors, (1874), 480 states have call predecessors, (1874), 475 states have return successors, (1892), 1770 states have call predecessors, (1892), 1872 states have call successors, (1892) [2022-11-25 22:18:55,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5834 states to 5834 states and 8357 transitions. [2022-11-25 22:18:55,793 INFO L78 Accepts]: Start accepts. Automaton has 5834 states and 8357 transitions. Word has length 102 [2022-11-25 22:18:55,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:18:55,793 INFO L495 AbstractCegarLoop]: Abstraction has 5834 states and 8357 transitions. [2022-11-25 22:18:55,794 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), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-25 22:18:55,794 INFO L276 IsEmpty]: Start isEmpty. Operand 5834 states and 8357 transitions. [2022-11-25 22:18:55,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-25 22:18:55,797 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:18:55,797 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:18:55,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 22:18:55,798 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:18:55,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:18:55,798 INFO L85 PathProgramCache]: Analyzing trace with hash -364812386, now seen corresponding path program 1 times [2022-11-25 22:18:55,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:18:55,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818714855] [2022-11-25 22:18:55,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:18:55,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:18:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:18:56,222 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:18:56,222 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:18:56,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818714855] [2022-11-25 22:18:56,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818714855] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:18:56,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:18:56,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:18:56,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280914729] [2022-11-25 22:18:56,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:18:56,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:18:56,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:18:56,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:18:56,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:18:56,224 INFO L87 Difference]: Start difference. First operand 5834 states and 8357 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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) [2022-11-25 22:19:01,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:19:01,414 INFO L93 Difference]: Finished difference Result 5834 states and 8357 transitions. [2022-11-25 22:19:01,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:19:01,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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 [2022-11-25 22:19:01,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:19:01,442 INFO L225 Difference]: With dead ends: 5834 [2022-11-25 22:19:01,442 INFO L226 Difference]: Without dead ends: 5832 [2022-11-25 22:19:01,447 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 [2022-11-25 22:19:01,447 INFO L413 NwaCegarLoop]: 2956 mSDtfsCounter, 3287 mSDsluCounter, 2956 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3289 SdHoareTripleChecker+Valid, 5912 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:19:01,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3289 Valid, 5912 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-25 22:19:01,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5832 states. [2022-11-25 22:19:02,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5832 to 5832. [2022-11-25 22:19:02,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5832 states, 3470 states have (on average 1.3221902017291067) internal successors, (4588), 3741 states have internal predecessors, (4588), 1874 states have call successors, (1874), 480 states have call predecessors, (1874), 475 states have return successors, (1892), 1770 states have call predecessors, (1892), 1872 states have call successors, (1892) [2022-11-25 22:19:02,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5832 states to 5832 states and 8354 transitions. [2022-11-25 22:19:02,155 INFO L78 Accepts]: Start accepts. Automaton has 5832 states and 8354 transitions. Word has length 91 [2022-11-25 22:19:02,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:19:02,156 INFO L495 AbstractCegarLoop]: Abstraction has 5832 states and 8354 transitions. [2022-11-25 22:19:02,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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) [2022-11-25 22:19:02,156 INFO L276 IsEmpty]: Start isEmpty. Operand 5832 states and 8354 transitions. [2022-11-25 22:19:02,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-25 22:19:02,159 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:19:02,159 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:19:02,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 22:19:02,160 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:19:02,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:19:02,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1570002123, now seen corresponding path program 1 times [2022-11-25 22:19:02,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:19:02,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20239406] [2022-11-25 22:19:02,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:19:02,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:19:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:19:02,535 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-25 22:19:02,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:19:02,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20239406] [2022-11-25 22:19:02,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20239406] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:19:02,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:19:02,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:19:02,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055195616] [2022-11-25 22:19:02,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:19:02,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:19:02,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:19:02,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:19:02,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:19:02,538 INFO L87 Difference]: Start difference. First operand 5832 states and 8354 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-25 22:19:11,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:19:11,317 INFO L93 Difference]: Finished difference Result 12302 states and 17814 transitions. [2022-11-25 22:19:11,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:19:11,318 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), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 100 [2022-11-25 22:19:11,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:19:11,348 INFO L225 Difference]: With dead ends: 12302 [2022-11-25 22:19:11,348 INFO L226 Difference]: Without dead ends: 6672 [2022-11-25 22:19:11,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:19:11,370 INFO L413 NwaCegarLoop]: 3595 mSDtfsCounter, 313 mSDsluCounter, 6511 mSDsCounter, 0 mSdLazyCounter, 1393 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 10106 SdHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:19:11,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 10106 Invalid, 1394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1393 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-11-25 22:19:11,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6672 states. [2022-11-25 22:19:12,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6672 to 5891. [2022-11-25 22:19:12,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5891 states, 3508 states have (on average 1.3221208665906499) internal successors, (4638), 3782 states have internal predecessors, (4638), 1895 states have call successors, (1895), 480 states have call predecessors, (1895), 475 states have return successors, (1913), 1790 states have call predecessors, (1913), 1893 states have call successors, (1913) [2022-11-25 22:19:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5891 states to 5891 states and 8446 transitions. [2022-11-25 22:19:12,183 INFO L78 Accepts]: Start accepts. Automaton has 5891 states and 8446 transitions. Word has length 100 [2022-11-25 22:19:12,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:19:12,184 INFO L495 AbstractCegarLoop]: Abstraction has 5891 states and 8446 transitions. [2022-11-25 22:19:12,184 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), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-25 22:19:12,184 INFO L276 IsEmpty]: Start isEmpty. Operand 5891 states and 8446 transitions. [2022-11-25 22:19:12,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-25 22:19:12,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:19:12,187 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-11-25 22:19:12,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 22:19:12,187 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:19:12,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:19:12,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1639665723, now seen corresponding path program 1 times [2022-11-25 22:19:12,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:19:12,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592918592] [2022-11-25 22:19:12,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:19:12,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:19:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:19:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-25 22:19:12,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:19:12,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592918592] [2022-11-25 22:19:12,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592918592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:19:12,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:19:12,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:19:12,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50320188] [2022-11-25 22:19:12,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:19:12,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:19:12,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:19:12,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:19:12,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:19:12,436 INFO L87 Difference]: Start difference. First operand 5891 states and 8446 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-25 22:19:17,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:19:17,700 INFO L93 Difference]: Finished difference Result 11736 states and 16829 transitions. [2022-11-25 22:19:17,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:19:17,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 94 [2022-11-25 22:19:17,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:19:17,728 INFO L225 Difference]: With dead ends: 11736 [2022-11-25 22:19:17,728 INFO L226 Difference]: Without dead ends: 5892 [2022-11-25 22:19:17,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:19:17,753 INFO L413 NwaCegarLoop]: 2957 mSDtfsCounter, 1 mSDsluCounter, 2949 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5906 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:19:17,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5906 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-25 22:19:17,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5892 states. [2022-11-25 22:19:18,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5892 to 5892. [2022-11-25 22:19:18,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5892 states, 3509 states have (on average 1.3220290681105729) internal successors, (4639), 3783 states have internal predecessors, (4639), 1895 states have call successors, (1895), 480 states have call predecessors, (1895), 475 states have return successors, (1913), 1790 states have call predecessors, (1913), 1893 states have call successors, (1913) [2022-11-25 22:19:18,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5892 states to 5892 states and 8447 transitions. [2022-11-25 22:19:18,589 INFO L78 Accepts]: Start accepts. Automaton has 5892 states and 8447 transitions. Word has length 94 [2022-11-25 22:19:18,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:19:18,590 INFO L495 AbstractCegarLoop]: Abstraction has 5892 states and 8447 transitions. [2022-11-25 22:19:18,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-25 22:19:18,590 INFO L276 IsEmpty]: Start isEmpty. Operand 5892 states and 8447 transitions. [2022-11-25 22:19:18,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-25 22:19:18,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:19:18,593 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:19:18,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 22:19:18,593 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:19:18,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:19:18,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1319883828, now seen corresponding path program 1 times [2022-11-25 22:19:18,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:19:18,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084088139] [2022-11-25 22:19:18,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:19:18,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:19:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:19:19,059 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:19:19,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:19:19,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084088139] [2022-11-25 22:19:19,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084088139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:19:19,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:19:19,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:19:19,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43320676] [2022-11-25 22:19:19,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:19:19,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:19:19,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:19:19,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:19:19,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:19:19,061 INFO L87 Difference]: Start difference. First operand 5892 states and 8447 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-11-25 22:19:26,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:19:26,249 INFO L93 Difference]: Finished difference Result 9803 states and 13915 transitions. [2022-11-25 22:19:26,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:19:26,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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 [2022-11-25 22:19:26,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:19:26,282 INFO L225 Difference]: With dead ends: 9803 [2022-11-25 22:19:26,282 INFO L226 Difference]: Without dead ends: 9801 [2022-11-25 22:19:26,286 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 [2022-11-25 22:19:26,287 INFO L413 NwaCegarLoop]: 3444 mSDtfsCounter, 3092 mSDsluCounter, 5413 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3094 SdHoareTripleChecker+Valid, 8857 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:19:26,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3094 Valid, 8857 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 984 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-25 22:19:26,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9801 states. [2022-11-25 22:19:27,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9801 to 9624. [2022-11-25 22:19:27,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9624 states, 5733 states have (on average 1.3240886098028954) internal successors, (7591), 6188 states have internal predecessors, (7591), 3050 states have call successors, (3050), 837 states have call predecessors, (3050), 828 states have return successors, (3082), 2874 states have call predecessors, (3082), 3048 states have call successors, (3082) [2022-11-25 22:19:27,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9624 states to 9624 states and 13723 transitions. [2022-11-25 22:19:27,364 INFO L78 Accepts]: Start accepts. Automaton has 9624 states and 13723 transitions. Word has length 96 [2022-11-25 22:19:27,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:19:27,364 INFO L495 AbstractCegarLoop]: Abstraction has 9624 states and 13723 transitions. [2022-11-25 22:19:27,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-11-25 22:19:27,364 INFO L276 IsEmpty]: Start isEmpty. Operand 9624 states and 13723 transitions. [2022-11-25 22:19:27,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-25 22:19:27,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:19:27,367 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:19:27,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 22:19:27,367 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:19:27,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:19:27,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1834286729, now seen corresponding path program 1 times [2022-11-25 22:19:27,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:19:27,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870685382] [2022-11-25 22:19:27,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:19:27,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:19:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:19:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:19:27,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:19:27,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870685382] [2022-11-25 22:19:27,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870685382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:19:27,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:19:27,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:19:27,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162163468] [2022-11-25 22:19:27,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:19:27,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:19:27,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:19:27,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:19:27,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:19:27,791 INFO L87 Difference]: Start difference. First operand 9624 states and 13723 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2022-11-25 22:19:33,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:19:33,269 INFO L93 Difference]: Finished difference Result 9624 states and 13723 transitions. [2022-11-25 22:19:33,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:19:33,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 [2022-11-25 22:19:33,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:19:33,309 INFO L225 Difference]: With dead ends: 9624 [2022-11-25 22:19:33,309 INFO L226 Difference]: Without dead ends: 9622 [2022-11-25 22:19:33,316 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 [2022-11-25 22:19:33,317 INFO L413 NwaCegarLoop]: 2954 mSDtfsCounter, 3283 mSDsluCounter, 2954 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3285 SdHoareTripleChecker+Valid, 5908 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:19:33,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3285 Valid, 5908 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-25 22:19:33,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9622 states. [2022-11-25 22:19:34,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9622 to 9622. [2022-11-25 22:19:34,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9622 states, 5732 states have (on average 1.3237962316817864) internal successors, (7588), 6186 states have internal predecessors, (7588), 3050 states have call successors, (3050), 837 states have call predecessors, (3050), 828 states have return successors, (3082), 2874 states have call predecessors, (3082), 3048 states have call successors, (3082) [2022-11-25 22:19:34,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9622 states to 9622 states and 13720 transitions. [2022-11-25 22:19:34,343 INFO L78 Accepts]: Start accepts. Automaton has 9622 states and 13720 transitions. Word has length 101 [2022-11-25 22:19:34,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:19:34,344 INFO L495 AbstractCegarLoop]: Abstraction has 9622 states and 13720 transitions. [2022-11-25 22:19:34,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2022-11-25 22:19:34,344 INFO L276 IsEmpty]: Start isEmpty. Operand 9622 states and 13720 transitions. [2022-11-25 22:19:34,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-25 22:19:34,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:19:34,347 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-11-25 22:19:34,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-25 22:19:34,347 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:19:34,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:19:34,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1370606608, now seen corresponding path program 1 times [2022-11-25 22:19:34,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:19:34,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698037289] [2022-11-25 22:19:34,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:19:34,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:19:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:19:34,728 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-25 22:19:34,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:19:34,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698037289] [2022-11-25 22:19:34,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698037289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:19:34,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:19:34,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:19:34,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892552678] [2022-11-25 22:19:34,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:19:34,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:19:34,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:19:34,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:19:34,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:19:34,732 INFO L87 Difference]: Start difference. First operand 9622 states and 13720 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-25 22:19:46,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:19:46,427 INFO L93 Difference]: Finished difference Result 19219 states and 27414 transitions. [2022-11-25 22:19:46,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:19:46,427 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 103 [2022-11-25 22:19:46,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:19:46,465 INFO L225 Difference]: With dead ends: 19219 [2022-11-25 22:19:46,465 INFO L226 Difference]: Without dead ends: 9644 [2022-11-25 22:19:46,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:19:46,505 INFO L413 NwaCegarLoop]: 2967 mSDtfsCounter, 9 mSDsluCounter, 8882 mSDsCounter, 0 mSdLazyCounter, 1453 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 11849 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:19:46,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 11849 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1453 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-11-25 22:19:46,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9644 states. [2022-11-25 22:19:47,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9644 to 9626. [2022-11-25 22:19:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9626 states, 5735 states have (on average 1.3236268526591106) internal successors, (7591), 6189 states have internal predecessors, (7591), 3050 states have call successors, (3050), 837 states have call predecessors, (3050), 829 states have return successors, (3086), 2875 states have call predecessors, (3086), 3048 states have call successors, (3086) [2022-11-25 22:19:47,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9626 states to 9626 states and 13727 transitions. [2022-11-25 22:19:47,643 INFO L78 Accepts]: Start accepts. Automaton has 9626 states and 13727 transitions. Word has length 103 [2022-11-25 22:19:47,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:19:47,644 INFO L495 AbstractCegarLoop]: Abstraction has 9626 states and 13727 transitions. [2022-11-25 22:19:47,644 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-25 22:19:47,644 INFO L276 IsEmpty]: Start isEmpty. Operand 9626 states and 13727 transitions. [2022-11-25 22:19:47,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-25 22:19:47,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:19:47,647 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-11-25 22:19:47,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-25 22:19:47,647 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:19:47,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:19:47,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1260032000, now seen corresponding path program 1 times [2022-11-25 22:19:47,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:19:47,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838223984] [2022-11-25 22:19:47,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:19:47,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:19:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:19:48,224 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-25 22:19:48,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:19:48,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838223984] [2022-11-25 22:19:48,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838223984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:19:48,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:19:48,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:19:48,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430069365] [2022-11-25 22:19:48,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:19:48,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:19:48,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:19:48,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:19:48,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:19:48,226 INFO L87 Difference]: Start difference. First operand 9626 states and 13727 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 22:20:01,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:20:01,295 INFO L93 Difference]: Finished difference Result 9768 states and 13863 transitions. [2022-11-25 22:20:01,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:20:01,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 104 [2022-11-25 22:20:01,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:20:01,327 INFO L225 Difference]: With dead ends: 9768 [2022-11-25 22:20:01,327 INFO L226 Difference]: Without dead ends: 9766 [2022-11-25 22:20:01,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:20:01,333 INFO L413 NwaCegarLoop]: 5490 mSDtfsCounter, 2936 mSDsluCounter, 13868 mSDsCounter, 0 mSdLazyCounter, 2301 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2941 SdHoareTripleChecker+Valid, 19358 SdHoareTripleChecker+Invalid, 2302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:20:01,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2941 Valid, 19358 Invalid, 2302 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2301 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2022-11-25 22:20:01,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9766 states. [2022-11-25 22:20:02,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9766 to 9634. [2022-11-25 22:20:02,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9634 states, 5741 states have (on average 1.3232886256749694) internal successors, (7597), 6195 states have internal predecessors, (7597), 3050 states have call successors, (3050), 839 states have call predecessors, (3050), 831 states have return successors, (3086), 2875 states have call predecessors, (3086), 3048 states have call successors, (3086) [2022-11-25 22:20:02,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9634 states to 9634 states and 13733 transitions. [2022-11-25 22:20:02,553 INFO L78 Accepts]: Start accepts. Automaton has 9634 states and 13733 transitions. Word has length 104 [2022-11-25 22:20:02,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:20:02,553 INFO L495 AbstractCegarLoop]: Abstraction has 9634 states and 13733 transitions. [2022-11-25 22:20:02,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 22:20:02,554 INFO L276 IsEmpty]: Start isEmpty. Operand 9634 states and 13733 transitions. [2022-11-25 22:20:02,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-25 22:20:02,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:02,556 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:20:02,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-25 22:20:02,557 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:20:02,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:02,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1913163673, now seen corresponding path program 1 times [2022-11-25 22:20:02,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:20:02,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898348085] [2022-11-25 22:20:02,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:02,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:20:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:20:03,061 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:20:03,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:20:03,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898348085] [2022-11-25 22:20:03,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898348085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:20:03,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:20:03,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:20:03,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403928069] [2022-11-25 22:20:03,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:20:03,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:20:03,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:20:03,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:20:03,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:20:03,064 INFO L87 Difference]: Start difference. First operand 9634 states and 13733 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2022-11-25 22:20:08,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:20:08,402 INFO L93 Difference]: Finished difference Result 9634 states and 13733 transitions. [2022-11-25 22:20:08,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:20:08,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 [2022-11-25 22:20:08,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:20:08,430 INFO L225 Difference]: With dead ends: 9634 [2022-11-25 22:20:08,430 INFO L226 Difference]: Without dead ends: 9632 [2022-11-25 22:20:08,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:20:08,436 INFO L413 NwaCegarLoop]: 2952 mSDtfsCounter, 3280 mSDsluCounter, 2952 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3282 SdHoareTripleChecker+Valid, 5904 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:20:08,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3282 Valid, 5904 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-25 22:20:08,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9632 states. [2022-11-25 22:20:09,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9632 to 9632. [2022-11-25 22:20:09,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9632 states, 5740 states have (on average 1.3229965156794425) internal successors, (7594), 6193 states have internal predecessors, (7594), 3050 states have call successors, (3050), 839 states have call predecessors, (3050), 831 states have return successors, (3086), 2875 states have call predecessors, (3086), 3048 states have call successors, (3086) [2022-11-25 22:20:09,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9632 states to 9632 states and 13730 transitions. [2022-11-25 22:20:09,455 INFO L78 Accepts]: Start accepts. Automaton has 9632 states and 13730 transitions. Word has length 106 [2022-11-25 22:20:09,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:20:09,455 INFO L495 AbstractCegarLoop]: Abstraction has 9632 states and 13730 transitions. [2022-11-25 22:20:09,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2022-11-25 22:20:09,455 INFO L276 IsEmpty]: Start isEmpty. Operand 9632 states and 13730 transitions. [2022-11-25 22:20:09,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-25 22:20:09,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:09,457 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2022-11-25 22:20:09,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-25 22:20:09,457 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:20:09,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:09,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1262380349, now seen corresponding path program 1 times [2022-11-25 22:20:09,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:20:09,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345374322] [2022-11-25 22:20:09,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:09,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:20:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:20:10,369 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:20:10,370 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:20:10,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345374322] [2022-11-25 22:20:10,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345374322] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:20:10,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:20:10,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:20:10,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460083767] [2022-11-25 22:20:10,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:20:10,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:20:10,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:20:10,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:20:10,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:20:10,372 INFO L87 Difference]: Start difference. First operand 9632 states and 13730 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2022-11-25 22:20:16,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:20:16,093 INFO L93 Difference]: Finished difference Result 9632 states and 13730 transitions. [2022-11-25 22:20:16,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:20:16,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 [2022-11-25 22:20:16,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:20:16,116 INFO L225 Difference]: With dead ends: 9632 [2022-11-25 22:20:16,116 INFO L226 Difference]: Without dead ends: 9630 [2022-11-25 22:20:16,119 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 [2022-11-25 22:20:16,119 INFO L413 NwaCegarLoop]: 2950 mSDtfsCounter, 3277 mSDsluCounter, 2950 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3279 SdHoareTripleChecker+Valid, 5900 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:20:16,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3279 Valid, 5900 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-25 22:20:16,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9630 states. [2022-11-25 22:20:17,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9630 to 9630. [2022-11-25 22:20:17,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9630 states, 5739 states have (on average 1.3227043038856943) internal successors, (7591), 6191 states have internal predecessors, (7591), 3050 states have call successors, (3050), 839 states have call predecessors, (3050), 831 states have return successors, (3086), 2875 states have call predecessors, (3086), 3048 states have call successors, (3086) [2022-11-25 22:20:17,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9630 states to 9630 states and 13727 transitions. [2022-11-25 22:20:17,356 INFO L78 Accepts]: Start accepts. Automaton has 9630 states and 13727 transitions. Word has length 111 [2022-11-25 22:20:17,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:20:17,357 INFO L495 AbstractCegarLoop]: Abstraction has 9630 states and 13727 transitions. [2022-11-25 22:20:17,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2022-11-25 22:20:17,357 INFO L276 IsEmpty]: Start isEmpty. Operand 9630 states and 13727 transitions. [2022-11-25 22:20:17,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 22:20:17,360 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:17,360 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:20:17,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-25 22:20:17,360 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:20:17,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:17,360 INFO L85 PathProgramCache]: Analyzing trace with hash 970334689, now seen corresponding path program 1 times [2022-11-25 22:20:17,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:20:17,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959991893] [2022-11-25 22:20:17,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:17,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:20:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:20:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:20:17,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:20:17,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959991893] [2022-11-25 22:20:17,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959991893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:20:17,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:20:17,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:20:17,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638540151] [2022-11-25 22:20:17,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:20:17,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:20:17,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:20:17,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:20:17,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:20:17,813 INFO L87 Difference]: Start difference. First operand 9630 states and 13727 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2022-11-25 22:20:23,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:20:23,756 INFO L93 Difference]: Finished difference Result 9630 states and 13727 transitions. [2022-11-25 22:20:23,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:20:23,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 [2022-11-25 22:20:23,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:20:23,784 INFO L225 Difference]: With dead ends: 9630 [2022-11-25 22:20:23,784 INFO L226 Difference]: Without dead ends: 9628 [2022-11-25 22:20:23,788 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 [2022-11-25 22:20:23,789 INFO L413 NwaCegarLoop]: 2948 mSDtfsCounter, 3274 mSDsluCounter, 2948 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3276 SdHoareTripleChecker+Valid, 5896 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:20:23,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3276 Valid, 5896 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-25 22:20:23,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9628 states. [2022-11-25 22:20:24,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9628 to 9628. [2022-11-25 22:20:24,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9628 states, 5738 states have (on average 1.3224119902405018) internal successors, (7588), 6189 states have internal predecessors, (7588), 3050 states have call successors, (3050), 839 states have call predecessors, (3050), 831 states have return successors, (3086), 2875 states have call predecessors, (3086), 3048 states have call successors, (3086) [2022-11-25 22:20:24,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9628 states to 9628 states and 13724 transitions. [2022-11-25 22:20:24,828 INFO L78 Accepts]: Start accepts. Automaton has 9628 states and 13724 transitions. Word has length 116 [2022-11-25 22:20:24,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:20:24,829 INFO L495 AbstractCegarLoop]: Abstraction has 9628 states and 13724 transitions. [2022-11-25 22:20:24,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2022-11-25 22:20:24,829 INFO L276 IsEmpty]: Start isEmpty. Operand 9628 states and 13724 transitions. [2022-11-25 22:20:24,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-25 22:20:24,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:24,832 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:20:24,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-25 22:20:24,832 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:20:24,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:24,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1281704062, now seen corresponding path program 1 times [2022-11-25 22:20:24,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:20:24,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921633935] [2022-11-25 22:20:24,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:24,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:20:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:20:25,265 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:20:25,265 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:20:25,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921633935] [2022-11-25 22:20:25,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921633935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:20:25,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:20:25,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:20:25,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380398245] [2022-11-25 22:20:25,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:20:25,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:20:25,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:20:25,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:20:25,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:20:25,267 INFO L87 Difference]: Start difference. First operand 9628 states and 13724 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2022-11-25 22:20:30,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:20:30,789 INFO L93 Difference]: Finished difference Result 9628 states and 13724 transitions. [2022-11-25 22:20:30,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:20:30,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 [2022-11-25 22:20:30,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:20:30,818 INFO L225 Difference]: With dead ends: 9628 [2022-11-25 22:20:30,818 INFO L226 Difference]: Without dead ends: 9626 [2022-11-25 22:20:30,823 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 [2022-11-25 22:20:30,824 INFO L413 NwaCegarLoop]: 2946 mSDtfsCounter, 3271 mSDsluCounter, 2946 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3273 SdHoareTripleChecker+Valid, 5892 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:20:30,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3273 Valid, 5892 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-25 22:20:30,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9626 states. [2022-11-25 22:20:32,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9626 to 9626. [2022-11-25 22:20:32,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9626 states, 5737 states have (on average 1.322119574690605) internal successors, (7585), 6187 states have internal predecessors, (7585), 3050 states have call successors, (3050), 839 states have call predecessors, (3050), 831 states have return successors, (3086), 2875 states have call predecessors, (3086), 3048 states have call successors, (3086) [2022-11-25 22:20:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9626 states to 9626 states and 13721 transitions. [2022-11-25 22:20:32,093 INFO L78 Accepts]: Start accepts. Automaton has 9626 states and 13721 transitions. Word has length 121 [2022-11-25 22:20:32,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:20:32,094 INFO L495 AbstractCegarLoop]: Abstraction has 9626 states and 13721 transitions. [2022-11-25 22:20:32,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2022-11-25 22:20:32,094 INFO L276 IsEmpty]: Start isEmpty. Operand 9626 states and 13721 transitions. [2022-11-25 22:20:32,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-25 22:20:32,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:32,098 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:20:32,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-25 22:20:32,098 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:20:32,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:32,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1054983019, now seen corresponding path program 1 times [2022-11-25 22:20:32,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:20:32,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143041691] [2022-11-25 22:20:32,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:32,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:20:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:20:32,537 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:20:32,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:20:32,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143041691] [2022-11-25 22:20:32,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143041691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:20:32,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:20:32,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:20:32,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149709109] [2022-11-25 22:20:32,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:20:32,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:20:32,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:20:32,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:20:32,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:20:32,540 INFO L87 Difference]: Start difference. First operand 9626 states and 13721 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2022-11-25 22:20:37,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:20:37,630 INFO L93 Difference]: Finished difference Result 9626 states and 13721 transitions. [2022-11-25 22:20:37,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:20:37,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 [2022-11-25 22:20:37,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:20:37,660 INFO L225 Difference]: With dead ends: 9626 [2022-11-25 22:20:37,660 INFO L226 Difference]: Without dead ends: 9624 [2022-11-25 22:20:37,665 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 [2022-11-25 22:20:37,666 INFO L413 NwaCegarLoop]: 2944 mSDtfsCounter, 3268 mSDsluCounter, 2944 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3270 SdHoareTripleChecker+Valid, 5888 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:20:37,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3270 Valid, 5888 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-25 22:20:37,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9624 states. [2022-11-25 22:20:38,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9624 to 9624. [2022-11-25 22:20:38,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9624 states, 5736 states have (on average 1.3218270571827058) internal successors, (7582), 6185 states have internal predecessors, (7582), 3050 states have call successors, (3050), 839 states have call predecessors, (3050), 831 states have return successors, (3086), 2875 states have call predecessors, (3086), 3048 states have call successors, (3086) [2022-11-25 22:20:38,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9624 states to 9624 states and 13718 transitions. [2022-11-25 22:20:38,918 INFO L78 Accepts]: Start accepts. Automaton has 9624 states and 13718 transitions. Word has length 126 [2022-11-25 22:20:38,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:20:38,919 INFO L495 AbstractCegarLoop]: Abstraction has 9624 states and 13718 transitions. [2022-11-25 22:20:38,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2022-11-25 22:20:38,919 INFO L276 IsEmpty]: Start isEmpty. Operand 9624 states and 13718 transitions. [2022-11-25 22:20:38,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-25 22:20:38,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:38,922 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:20:38,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-25 22:20:38,923 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:20:38,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:38,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1566211141, now seen corresponding path program 1 times [2022-11-25 22:20:38,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:20:38,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193624948] [2022-11-25 22:20:38,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:38,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:20:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:20:39,709 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-25 22:20:39,709 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:20:39,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193624948] [2022-11-25 22:20:39,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193624948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:20:39,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:20:39,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:20:39,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879111389] [2022-11-25 22:20:39,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:20:39,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:20:39,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:20:39,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:20:39,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:20:39,711 INFO L87 Difference]: Start difference. First operand 9624 states and 13718 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 22:20:49,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:20:49,704 INFO L93 Difference]: Finished difference Result 12778 states and 17999 transitions. [2022-11-25 22:20:49,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:20:49,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 141 [2022-11-25 22:20:49,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:20:49,744 INFO L225 Difference]: With dead ends: 12778 [2022-11-25 22:20:49,744 INFO L226 Difference]: Without dead ends: 12776 [2022-11-25 22:20:49,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:20:49,750 INFO L413 NwaCegarLoop]: 3461 mSDtfsCounter, 3161 mSDsluCounter, 8682 mSDsCounter, 0 mSdLazyCounter, 1331 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3166 SdHoareTripleChecker+Valid, 12143 SdHoareTripleChecker+Invalid, 1334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:20:49,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3166 Valid, 12143 Invalid, 1334 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1331 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-11-25 22:20:49,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12776 states. [2022-11-25 22:20:51,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12776 to 12553. [2022-11-25 22:20:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12553 states, 7366 states have (on average 1.3038284007602499) internal successors, (9604), 7964 states have internal predecessors, (9604), 4036 states have call successors, (4036), 1170 states have call predecessors, (4036), 1144 states have return successors, (4130), 3782 states have call predecessors, (4130), 4034 states have call successors, (4130) [2022-11-25 22:20:51,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12553 states to 12553 states and 17770 transitions. [2022-11-25 22:20:51,362 INFO L78 Accepts]: Start accepts. Automaton has 12553 states and 17770 transitions. Word has length 141 [2022-11-25 22:20:51,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:20:51,362 INFO L495 AbstractCegarLoop]: Abstraction has 12553 states and 17770 transitions. [2022-11-25 22:20:51,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 22:20:51,363 INFO L276 IsEmpty]: Start isEmpty. Operand 12553 states and 17770 transitions. [2022-11-25 22:20:51,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-25 22:20:51,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:51,366 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:20:51,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-25 22:20:51,367 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:20:51,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:51,367 INFO L85 PathProgramCache]: Analyzing trace with hash 850693730, now seen corresponding path program 1 times [2022-11-25 22:20:51,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:20:51,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061865226] [2022-11-25 22:20:51,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:51,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:20:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:20:51,805 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:20:51,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:20:51,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061865226] [2022-11-25 22:20:51,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061865226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:20:51,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:20:51,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:20:51,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332779699] [2022-11-25 22:20:51,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:20:51,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:20:51,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:20:51,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:20:51,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:20:51,807 INFO L87 Difference]: Start difference. First operand 12553 states and 17770 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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) [2022-11-25 22:20:57,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:20:57,626 INFO L93 Difference]: Finished difference Result 12553 states and 17770 transitions. [2022-11-25 22:20:57,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:20:57,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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 [2022-11-25 22:20:57,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:20:57,661 INFO L225 Difference]: With dead ends: 12553 [2022-11-25 22:20:57,661 INFO L226 Difference]: Without dead ends: 12551 [2022-11-25 22:20:57,666 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 [2022-11-25 22:20:57,666 INFO L413 NwaCegarLoop]: 2942 mSDtfsCounter, 3265 mSDsluCounter, 2942 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3267 SdHoareTripleChecker+Valid, 5884 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:20:57,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3267 Valid, 5884 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-25 22:20:57,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12551 states. [2022-11-25 22:20:59,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12551 to 12551. [2022-11-25 22:20:59,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12551 states, 7365 states have (on average 1.3035980991174474) internal successors, (9601), 7962 states have internal predecessors, (9601), 4036 states have call successors, (4036), 1170 states have call predecessors, (4036), 1144 states have return successors, (4130), 3782 states have call predecessors, (4130), 4034 states have call successors, (4130) [2022-11-25 22:20:59,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12551 states to 12551 states and 17767 transitions. [2022-11-25 22:20:59,246 INFO L78 Accepts]: Start accepts. Automaton has 12551 states and 17767 transitions. Word has length 131 [2022-11-25 22:20:59,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:20:59,246 INFO L495 AbstractCegarLoop]: Abstraction has 12551 states and 17767 transitions. [2022-11-25 22:20:59,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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) [2022-11-25 22:20:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 12551 states and 17767 transitions. [2022-11-25 22:20:59,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-25 22:20:59,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:59,251 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:20:59,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-25 22:20:59,251 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:20:59,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:59,252 INFO L85 PathProgramCache]: Analyzing trace with hash -281616662, now seen corresponding path program 1 times [2022-11-25 22:20:59,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:20:59,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438361169] [2022-11-25 22:20:59,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:59,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:20:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:20:59,689 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:20:59,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:20:59,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438361169] [2022-11-25 22:20:59,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438361169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:20:59,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:20:59,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:20:59,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640014097] [2022-11-25 22:20:59,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:20:59,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:20:59,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:20:59,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:20:59,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:20:59,691 INFO L87 Difference]: Start difference. First operand 12551 states and 17767 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-11-25 22:21:06,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:06,389 INFO L93 Difference]: Finished difference Result 12551 states and 17767 transitions. [2022-11-25 22:21:06,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:21:06,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 [2022-11-25 22:21:06,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:06,428 INFO L225 Difference]: With dead ends: 12551 [2022-11-25 22:21:06,428 INFO L226 Difference]: Without dead ends: 12058 [2022-11-25 22:21:06,441 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 [2022-11-25 22:21:06,441 INFO L413 NwaCegarLoop]: 2941 mSDtfsCounter, 3262 mSDsluCounter, 2941 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3262 SdHoareTripleChecker+Valid, 5882 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:06,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3262 Valid, 5882 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-11-25 22:21:06,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12058 states. [2022-11-25 22:21:08,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12058 to 12058. [2022-11-25 22:21:08,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12058 states, 7085 states have (on average 1.3076923076923077) internal successors, (9265), 7664 states have internal predecessors, (9265), 3885 states have call successors, (3885), 1110 states have call predecessors, (3885), 1083 states have return successors, (3959), 3632 states have call predecessors, (3959), 3863 states have call successors, (3959) [2022-11-25 22:21:08,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12058 states to 12058 states and 17109 transitions. [2022-11-25 22:21:08,145 INFO L78 Accepts]: Start accepts. Automaton has 12058 states and 17109 transitions. Word has length 136 [2022-11-25 22:21:08,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:08,146 INFO L495 AbstractCegarLoop]: Abstraction has 12058 states and 17109 transitions. [2022-11-25 22:21:08,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-11-25 22:21:08,146 INFO L276 IsEmpty]: Start isEmpty. Operand 12058 states and 17109 transitions. [2022-11-25 22:21:08,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-25 22:21:08,149 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:08,149 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:21:08,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-25 22:21:08,149 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:21:08,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:08,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1589529324, now seen corresponding path program 1 times [2022-11-25 22:21:08,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:08,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629985885] [2022-11-25 22:21:08,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:08,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:08,876 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-11-25 22:21:08,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:08,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629985885] [2022-11-25 22:21:08,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629985885] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:08,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:08,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:21:08,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78075355] [2022-11-25 22:21:08,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:08,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:21:08,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:08,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:21:08,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:21:08,878 INFO L87 Difference]: Start difference. First operand 12058 states and 17109 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-25 22:21:19,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:19,581 INFO L93 Difference]: Finished difference Result 19403 states and 27344 transitions. [2022-11-25 22:21:19,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:21:19,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 160 [2022-11-25 22:21:19,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:19,659 INFO L225 Difference]: With dead ends: 19403 [2022-11-25 22:21:19,659 INFO L226 Difference]: Without dead ends: 19401 [2022-11-25 22:21:19,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:21:19,674 INFO L413 NwaCegarLoop]: 3602 mSDtfsCounter, 2818 mSDsluCounter, 9776 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2823 SdHoareTripleChecker+Valid, 13378 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:19,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2823 Valid, 13378 Invalid, 1429 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1426 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-11-25 22:21:19,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19401 states. [2022-11-25 22:21:22,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19401 to 19317. [2022-11-25 22:21:22,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19317 states, 11232 states have (on average 1.2939814814814814) internal successors, (14534), 12185 states have internal predecessors, (14534), 6262 states have call successors, (6262), 1875 states have call predecessors, (6262), 1818 states have return successors, (6461), 5812 states have call predecessors, (6461), 6219 states have call successors, (6461) [2022-11-25 22:21:22,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19317 states to 19317 states and 27257 transitions. [2022-11-25 22:21:22,359 INFO L78 Accepts]: Start accepts. Automaton has 19317 states and 27257 transitions. Word has length 160 [2022-11-25 22:21:22,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:22,360 INFO L495 AbstractCegarLoop]: Abstraction has 19317 states and 27257 transitions. [2022-11-25 22:21:22,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-25 22:21:22,360 INFO L276 IsEmpty]: Start isEmpty. Operand 19317 states and 27257 transitions. [2022-11-25 22:21:22,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-25 22:21:22,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:22,363 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:21:22,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-25 22:21:22,363 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:21:22,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:22,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1294829159, now seen corresponding path program 1 times [2022-11-25 22:21:22,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:22,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426391701] [2022-11-25 22:21:22,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:22,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2022-11-25 22:21:23,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:23,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426391701] [2022-11-25 22:21:23,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426391701] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:21:23,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098711434] [2022-11-25 22:21:23,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:23,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:23,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:23,799 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:21:23,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:21:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:25,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 3861 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 22:21:25,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:21:25,877 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-11-25 22:21:25,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:21:25,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098711434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:25,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:21:25,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2022-11-25 22:21:25,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82435729] [2022-11-25 22:21:25,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:25,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:21:25,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:25,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:21:25,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:21:25,880 INFO L87 Difference]: Start difference. First operand 19317 states and 27257 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-25 22:21:37,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:37,058 INFO L93 Difference]: Finished difference Result 37917 states and 53647 transitions. [2022-11-25 22:21:37,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:21:37,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 182 [2022-11-25 22:21:37,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:37,161 INFO L225 Difference]: With dead ends: 37917 [2022-11-25 22:21:37,161 INFO L226 Difference]: Without dead ends: 19125 [2022-11-25 22:21:37,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:21:37,525 INFO L413 NwaCegarLoop]: 2822 mSDtfsCounter, 11 mSDsluCounter, 8354 mSDsCounter, 0 mSdLazyCounter, 1665 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 11176 SdHoareTripleChecker+Invalid, 1667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:37,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 11176 Invalid, 1667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1665 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-11-25 22:21:37,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19125 states. [2022-11-25 22:21:40,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19125 to 19121. [2022-11-25 22:21:40,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19121 states, 11134 states have (on average 1.2947727680977188) internal successors, (14416), 12083 states have internal predecessors, (14416), 6166 states have call successors, (6166), 1861 states have call predecessors, (6166), 1816 states have return successors, (6397), 5736 states have call predecessors, (6397), 6123 states have call successors, (6397) [2022-11-25 22:21:40,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19121 states to 19121 states and 26979 transitions. [2022-11-25 22:21:40,741 INFO L78 Accepts]: Start accepts. Automaton has 19121 states and 26979 transitions. Word has length 182 [2022-11-25 22:21:40,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:40,741 INFO L495 AbstractCegarLoop]: Abstraction has 19121 states and 26979 transitions. [2022-11-25 22:21:40,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-25 22:21:40,741 INFO L276 IsEmpty]: Start isEmpty. Operand 19121 states and 26979 transitions. [2022-11-25 22:21:40,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-25 22:21:40,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:40,743 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:21:40,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:21:40,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-11-25 22:21:40,944 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:21:40,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:40,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1055274727, now seen corresponding path program 1 times [2022-11-25 22:21:40,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:40,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161088801] [2022-11-25 22:21:40,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:40,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:43,776 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 46 proven. 14 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-11-25 22:21:43,776 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:43,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161088801] [2022-11-25 22:21:43,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161088801] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:21:43,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76293361] [2022-11-25 22:21:43,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:43,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:43,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:43,779 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:21:43,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:21:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:45,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 3862 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 22:21:45,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:21:45,755 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-11-25 22:21:45,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:21:45,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76293361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:45,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:21:45,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2022-11-25 22:21:45,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055325067] [2022-11-25 22:21:45,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:45,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:21:45,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:45,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:21:45,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-25 22:21:45,760 INFO L87 Difference]: Start difference. First operand 19121 states and 26979 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-25 22:21:57,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:57,968 INFO L93 Difference]: Finished difference Result 37583 states and 53162 transitions. [2022-11-25 22:21:57,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:21:57,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 183 [2022-11-25 22:21:57,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:58,054 INFO L225 Difference]: With dead ends: 37583 [2022-11-25 22:21:58,054 INFO L226 Difference]: Without dead ends: 18989 [2022-11-25 22:21:58,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-25 22:21:58,132 INFO L413 NwaCegarLoop]: 2826 mSDtfsCounter, 16 mSDsluCounter, 8364 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 1668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:58,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 11190 Invalid, 1668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-11-25 22:21:58,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18989 states. [2022-11-25 22:22:01,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18989 to 18985. [2022-11-25 22:22:01,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18985 states, 11060 states have (on average 1.2942133815551538) internal successors, (14314), 12005 states have internal predecessors, (14314), 6098 states have call successors, (6098), 1855 states have call predecessors, (6098), 1822 states have return successors, (6361), 5688 states have call predecessors, (6361), 6055 states have call successors, (6361) [2022-11-25 22:22:01,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18985 states to 18985 states and 26773 transitions. [2022-11-25 22:22:01,428 INFO L78 Accepts]: Start accepts. Automaton has 18985 states and 26773 transitions. Word has length 183 [2022-11-25 22:22:01,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:22:01,430 INFO L495 AbstractCegarLoop]: Abstraction has 18985 states and 26773 transitions. [2022-11-25 22:22:01,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-25 22:22:01,430 INFO L276 IsEmpty]: Start isEmpty. Operand 18985 states and 26773 transitions. [2022-11-25 22:22:01,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-25 22:22:01,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:01,434 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:22:01,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:22:01,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-11-25 22:22:01,643 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:22:01,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:01,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1579636128, now seen corresponding path program 1 times [2022-11-25 22:22:01,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:22:01,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60081869] [2022-11-25 22:22:01,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:01,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:22:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:03,683 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 46 proven. 14 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-11-25 22:22:03,683 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:22:03,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60081869] [2022-11-25 22:22:03,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60081869] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:22:03,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456492489] [2022-11-25 22:22:03,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:03,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:22:03,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:22:03,685 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:22:03,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:22:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:05,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 3863 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 22:22:05,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:22:05,353 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-11-25 22:22:05,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:22:05,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456492489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:22:05,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:22:05,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2022-11-25 22:22:05,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519389875] [2022-11-25 22:22:05,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:22:05,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:22:05,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:22:05,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:22:05,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-25 22:22:05,356 INFO L87 Difference]: Start difference. First operand 18985 states and 26773 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-25 22:22:17,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:22:17,759 INFO L93 Difference]: Finished difference Result 37354 states and 52813 transitions. [2022-11-25 22:22:17,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:22:17,760 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 184 [2022-11-25 22:22:17,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:22:17,844 INFO L225 Difference]: With dead ends: 37354 [2022-11-25 22:22:17,844 INFO L226 Difference]: Without dead ends: 18896 [2022-11-25 22:22:17,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-25 22:22:17,911 INFO L413 NwaCegarLoop]: 2826 mSDtfsCounter, 16 mSDsluCounter, 8364 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 1668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:22:17,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 11190 Invalid, 1668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2022-11-25 22:22:17,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18896 states. [2022-11-25 22:22:20,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18896 to 18892. [2022-11-25 22:22:20,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18892 states, 11013 states have (on average 1.2936529555979297) internal successors, (14247), 11954 states have internal predecessors, (14247), 6044 states have call successors, (6044), 1852 states have call predecessors, (6044), 1830 states have return successors, (6339), 5653 states have call predecessors, (6339), 6001 states have call successors, (6339) [2022-11-25 22:22:20,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18892 states to 18892 states and 26630 transitions. [2022-11-25 22:22:20,735 INFO L78 Accepts]: Start accepts. Automaton has 18892 states and 26630 transitions. Word has length 184 [2022-11-25 22:22:20,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:22:20,735 INFO L495 AbstractCegarLoop]: Abstraction has 18892 states and 26630 transitions. [2022-11-25 22:22:20,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-25 22:22:20,736 INFO L276 IsEmpty]: Start isEmpty. Operand 18892 states and 26630 transitions. [2022-11-25 22:22:20,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-25 22:22:20,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:20,738 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:22:20,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-25 22:22:20,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-11-25 22:22:20,939 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:22:20,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:20,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1928577704, now seen corresponding path program 1 times [2022-11-25 22:22:20,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:22:20,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717867126] [2022-11-25 22:22:20,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:20,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:22:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:21,926 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2022-11-25 22:22:21,926 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:22:21,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717867126] [2022-11-25 22:22:21,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717867126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:22:21,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:22:21,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:22:21,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340622696] [2022-11-25 22:22:21,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:22:21,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:22:21,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:22:21,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:22:21,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:22:21,928 INFO L87 Difference]: Start difference. First operand 18892 states and 26630 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 22:22:36,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:22:36,619 INFO L93 Difference]: Finished difference Result 32712 states and 46049 transitions. [2022-11-25 22:22:36,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:22:36,620 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 185 [2022-11-25 22:22:36,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:22:36,711 INFO L225 Difference]: With dead ends: 32712 [2022-11-25 22:22:36,712 INFO L226 Difference]: Without dead ends: 32710 [2022-11-25 22:22:36,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:22:36,722 INFO L413 NwaCegarLoop]: 4103 mSDtfsCounter, 2847 mSDsluCounter, 10736 mSDsCounter, 0 mSdLazyCounter, 1659 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2852 SdHoareTripleChecker+Valid, 14839 SdHoareTripleChecker+Invalid, 1662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:22:36,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2852 Valid, 14839 Invalid, 1662 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1659 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-11-25 22:22:36,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32710 states. [2022-11-25 22:22:41,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32710 to 32620. [2022-11-25 22:22:41,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32620 states, 18868 states have (on average 1.2845028619885521) internal successors, (24236), 20539 states have internal predecessors, (24236), 10508 states have call successors, (10508), 3297 states have call predecessors, (10508), 3239 states have return successors, (11209), 9765 states have call predecessors, (11209), 10423 states have call successors, (11209) [2022-11-25 22:22:41,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32620 states to 32620 states and 45953 transitions. [2022-11-25 22:22:41,695 INFO L78 Accepts]: Start accepts. Automaton has 32620 states and 45953 transitions. Word has length 185 [2022-11-25 22:22:41,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:22:41,695 INFO L495 AbstractCegarLoop]: Abstraction has 32620 states and 45953 transitions. [2022-11-25 22:22:41,695 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 22:22:41,695 INFO L276 IsEmpty]: Start isEmpty. Operand 32620 states and 45953 transitions. [2022-11-25 22:22:41,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-25 22:22:41,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:41,697 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:22:41,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-25 22:22:41,698 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-25 22:22:41,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:41,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1195983012, now seen corresponding path program 1 times [2022-11-25 22:22:41,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:22:41,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226670805] [2022-11-25 22:22:41,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:41,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:22:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:43,689 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 46 proven. 14 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-11-25 22:22:43,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:22:43,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226670805] [2022-11-25 22:22:43,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226670805] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:22:43,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657009234] [2022-11-25 22:22:43,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:43,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:22:43,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:22:43,692 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:22:43,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_535df2f8-26d6-40f5-b6b7-a8dcdf1203d5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 22:22:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:45,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 3864 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 22:22:45,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:22:45,410 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-11-25 22:22:45,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:22:45,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657009234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:22:45,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:22:45,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2022-11-25 22:22:45,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461154248] [2022-11-25 22:22:45,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:22:45,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:22:45,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:22:45,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:22:45,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-25 22:22:45,413 INFO L87 Difference]: Start difference. First operand 32620 states and 45953 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-25 22:22:59,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:22:59,335 INFO L93 Difference]: Finished difference Result 64399 states and 90938 transitions. [2022-11-25 22:22:59,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:22:59,336 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 185 [2022-11-25 22:22:59,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:22:59,451 INFO L225 Difference]: With dead ends: 64399 [2022-11-25 22:22:59,451 INFO L226 Difference]: Without dead ends: 32300 [2022-11-25 22:22:59,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-25 22:22:59,585 INFO L413 NwaCegarLoop]: 2825 mSDtfsCounter, 16 mSDsluCounter, 8361 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 11186 SdHoareTripleChecker+Invalid, 1665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:22:59,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 11186 Invalid, 1665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1663 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-11-25 22:22:59,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32300 states.