./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_e8753d92-6dd4-4d79-aa56-a6772ff1381c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/bin/utaipan-gh47qXpMRh --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 371146a21f508450d2917c35c74c2cfe0e1080bf9001699397599cb4eb3a0e88 --- 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-2329fc7 [2022-12-14 15:31:11,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:31:11,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:31:11,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:31:11,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:31:11,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:31:11,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:31:11,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:31:11,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:31:11,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:31:11,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:31:11,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:31:11,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:31:11,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:31:11,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:31:11,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:31:11,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:31:11,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:31:11,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:31:11,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:31:11,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:31:11,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:31:11,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:31:11,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:31:11,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:31:11,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:31:11,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:31:11,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:31:11,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:31:11,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:31:11,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:31:11,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:31:11,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:31:11,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:31:11,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:31:11,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:31:11,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:31:11,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:31:11,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:31:11,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:31:11,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:31:11,703 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 15:31:11,721 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:31:11,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:31:11,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:31:11,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:31:11,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:31:11,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:31:11,723 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:31:11,723 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:31:11,723 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:31:11,723 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:31:11,723 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:31:11,723 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:31:11,724 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:31:11,724 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:31:11,724 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:31:11,724 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:31:11,724 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:31:11,724 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:31:11,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:31:11,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:31:11,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:31:11,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:31:11,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:31:11,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:31:11,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:31:11,726 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:31:11,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:31:11,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:31:11,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:31:11,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:31:11,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:31:11,727 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:31:11,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:31:11,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:31:11,728 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:31:11,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:31:11,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:31:11,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:31:11,728 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_e8753d92-6dd4-4d79-aa56-a6772ff1381c/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 371146a21f508450d2917c35c74c2cfe0e1080bf9001699397599cb4eb3a0e88 [2022-12-14 15:31:11,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:31:11,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:31:11,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:31:11,929 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:31:11,929 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:31:11,930 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2022-12-14 15:31:14,497 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:31:14,969 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:31:14,969 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2022-12-14 15:31:15,010 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/bin/utaipan-gh47qXpMRh/data/5df54463f/99a0ff4c04544defbd4752986df66069/FLAG4430d541b [2022-12-14 15:31:15,056 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/bin/utaipan-gh47qXpMRh/data/5df54463f/99a0ff4c04544defbd4752986df66069 [2022-12-14 15:31:15,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:31:15,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:31:15,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:31:15,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:31:15,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:31:15,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:31:15" (1/1) ... [2022-12-14 15:31:15,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f77c2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:31:15, skipping insertion in model container [2022-12-14 15:31:15,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:31:15" (1/1) ... [2022-12-14 15:31:15,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:31:15,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:31:15,696 WARN L623 FunctionHandler]: Unknown extern function mount_nodev [2022-12-14 15:31:15,725 WARN L623 FunctionHandler]: Unknown extern function register_filesystem [2022-12-14 15:31:15,734 WARN L623 FunctionHandler]: Unknown extern function unregister_filesystem [2022-12-14 15:31:16,090 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 15:31:16,161 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:31:16,330 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:16,335 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 15:31:16,337 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:16,338 WARN L623 FunctionHandler]: Unknown extern function kill_litter_super [2022-12-14 15:31:16,338 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_68 [2022-12-14 15:31:16,339 WARN L623 FunctionHandler]: Unknown extern function kfree_call_rcu [2022-12-14 15:31:16,343 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:16,344 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 15:31:16,345 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:16,346 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 15:31:16,346 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:16,347 WARN L623 FunctionHandler]: Unknown extern function pid_vnr [2022-12-14 15:31:16,347 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:16,347 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:16,348 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:16,348 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:16,348 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:16,349 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:16,349 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:16,353 WARN L623 FunctionHandler]: Unknown extern function clear_inode [2022-12-14 15:31:16,354 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:16,360 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:16,361 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:16,362 WARN L623 FunctionHandler]: Unknown extern function match_token [2022-12-14 15:31:16,363 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:31:16,363 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:31:16,363 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:16,364 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-12-14 15:31:16,364 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:31:16,365 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:16,365 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-12-14 15:31:16,366 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:31:16,366 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:31:16,366 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:31:16,367 WARN L623 FunctionHandler]: Unknown extern function strsep [2022-12-14 15:31:16,370 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:16,371 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:31:16,371 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:31:16,371 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:31:16,372 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:31:16,373 WARN L623 FunctionHandler]: Unknown extern function d_make_root [2022-12-14 15:31:16,374 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:16,374 WARN L623 FunctionHandler]: Unknown extern function find_get_pid [2022-12-14 15:31:16,375 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:16,375 WARN L623 FunctionHandler]: Unknown extern function get_task_pid [2022-12-14 15:31:16,376 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:16,378 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:16,378 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 15:31:16,378 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:16,379 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:16,379 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:31:16,380 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:16,380 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:16,380 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 15:31:16,380 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:16,381 WARN L623 FunctionHandler]: Unknown extern function new_inode [2022-12-14 15:31:16,382 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 15:31:16,383 WARN L623 FunctionHandler]: Unknown extern function get_next_ino [2022-12-14 15:31:16,384 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-14 15:31:16,385 WARN L623 FunctionHandler]: Unknown extern function simple_statfs [2022-12-14 15:31:16,399 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 15:31:16,409 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 15:31:16,470 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 15:31:16,485 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 15:31:16,520 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 15:31:16,520 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 15:31:16,535 WARN L623 FunctionHandler]: Unknown extern function lockref_get [2022-12-14 15:31:16,594 WARN L623 FunctionHandler]: Unknown extern function __task_pid_nr_ns [2022-12-14 15:31:16,697 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:16,698 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:31:16,699 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_open [2022-12-14 15:31:16,700 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:16,701 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:31:16,702 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:31:16,707 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:31:16,714 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:31:16,719 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:16,721 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:16,725 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:16,730 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 15:31:16,731 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:16,732 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:16,734 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 15:31:16,735 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:31:16,737 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:16,738 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:31:16,740 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:16,742 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:16,744 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 15:31:16,746 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:16,747 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:16,748 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:16,748 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 15:31:16,749 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 15:31:16,750 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:16,750 WARN L623 FunctionHandler]: Unknown extern function clear_nlink [2022-12-14 15:31:16,751 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 15:31:16,751 WARN L623 FunctionHandler]: Unknown extern function d_drop [2022-12-14 15:31:16,761 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:16,762 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:31:16,762 WARN L623 FunctionHandler]: Unknown extern function d_drop [2022-12-14 15:31:16,763 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:16,763 WARN L623 FunctionHandler]: Unknown extern function clear_nlink [2022-12-14 15:31:16,763 WARN L623 FunctionHandler]: Unknown extern function drop_nlink [2022-12-14 15:31:16,774 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:16,775 WARN L623 FunctionHandler]: Unknown extern function inc_nlink [2022-12-14 15:31:16,775 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 15:31:16,779 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:16,780 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:16,784 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:16,784 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:16,789 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:16,793 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:16,797 WARN L623 FunctionHandler]: Unknown extern function may_umount [2022-12-14 15:31:16,798 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:16,799 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:16,805 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:16,805 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 15:31:16,810 WARN L623 FunctionHandler]: Unknown extern function dcache_readdir [2022-12-14 15:31:16,810 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_lseek [2022-12-14 15:31:16,810 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-12-14 15:31:16,811 WARN L623 FunctionHandler]: Unknown extern function dcache_readdir [2022-12-14 15:31:16,811 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_lseek [2022-12-14 15:31:16,811 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-12-14 15:31:16,812 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_open [2022-12-14 15:31:16,812 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_close [2022-12-14 15:31:16,812 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_close [2022-12-14 15:31:16,813 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 15:31:16,825 WARN L623 FunctionHandler]: Unknown extern function generic_readlink [2022-12-14 15:31:16,922 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:31:16,926 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:31:16,930 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:31:16,937 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 15:31:16,945 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 15:31:16,945 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 15:31:16,945 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 15:31:16,945 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 15:31:16,946 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 15:31:16,997 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 15:31:17,001 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 15:31:17,005 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:17,005 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 15:31:17,005 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 15:31:17,009 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:17,010 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 15:31:17,010 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 15:31:17,047 WARN L623 FunctionHandler]: Unknown extern function __task_pid_nr_ns [2022-12-14 15:31:17,061 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 15:31:17,061 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:17,062 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,062 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:17,063 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 15:31:17,063 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:31:17,063 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:17,068 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 15:31:17,068 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:17,069 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 15:31:17,074 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,076 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 15:31:17,077 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 15:31:17,077 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:17,077 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:17,077 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:17,078 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:31:17,083 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 15:31:17,084 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 15:31:17,088 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:31:17,093 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:17,094 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-14 15:31:17,094 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 15:31:17,095 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 15:31:17,095 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 15:31:17,095 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:17,097 WARN L623 FunctionHandler]: Unknown extern function task_tgid_nr_ns [2022-12-14 15:31:17,097 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 15:31:17,098 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:17,098 WARN L623 FunctionHandler]: Unknown extern function full_name_hash [2022-12-14 15:31:17,099 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 15:31:17,099 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:17,099 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:17,099 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:17,100 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:17,100 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:17,100 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 15:31:17,101 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:17,101 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:17,103 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,104 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,104 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:17,104 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:17,106 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 15:31:17,107 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 15:31:17,107 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 15:31:17,107 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 15:31:17,108 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 15:31:17,109 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,110 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 15:31:17,110 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:17,110 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 15:31:17,111 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:17,111 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:17,112 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 15:31:17,112 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:17,113 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:17,113 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 15:31:17,113 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:17,113 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:17,114 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 15:31:17,114 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 15:31:17,114 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 15:31:17,118 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 15:31:17,128 WARN L623 FunctionHandler]: Unknown extern function lock_set_class [2022-12-14 15:31:17,149 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_trylock [2022-12-14 15:31:17,156 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 15:31:17,187 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:17,187 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 15:31:17,188 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 15:31:17,188 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 15:31:17,212 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,213 WARN L623 FunctionHandler]: Unknown extern function path_get [2022-12-14 15:31:17,213 WARN L623 FunctionHandler]: Unknown extern function follow_down_one [2022-12-14 15:31:17,213 WARN L623 FunctionHandler]: Unknown extern function may_umount_tree [2022-12-14 15:31:17,214 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,215 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:31:17,219 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:17,220 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:17,224 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:17,226 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:17,230 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,231 WARN L623 FunctionHandler]: Unknown extern function may_umount_tree [2022-12-14 15:31:17,236 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,237 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,237 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:17,238 WARN L623 FunctionHandler]: Unknown extern function d_invalidate [2022-12-14 15:31:17,238 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:17,243 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,244 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,246 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:17,249 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,250 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,251 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:31:17,251 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:17,252 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,255 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,255 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 15:31:17,256 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,257 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:17,258 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-12-14 15:31:17,258 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-12-14 15:31:17,259 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:17,259 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:17,260 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 15:31:17,260 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 15:31:17,260 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 15:31:17,305 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:17,305 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 15:31:17,306 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 15:31:17,306 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 15:31:17,350 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 15:31:17,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:17,359 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-12-14 15:31:17,363 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:17,367 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:17,367 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:17,368 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:17,382 WARN L623 FunctionHandler]: Unknown extern function kern_path_mountpoint [2022-12-14 15:31:17,383 WARN L623 FunctionHandler]: Unknown extern function path_get [2022-12-14 15:31:17,383 WARN L623 FunctionHandler]: Unknown extern function follow_up [2022-12-14 15:31:17,383 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:31:17,397 WARN L623 FunctionHandler]: Unknown extern function get_unused_fd_flags [2022-12-14 15:31:17,397 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:17,398 WARN L623 FunctionHandler]: Unknown extern function dentry_open [2022-12-14 15:31:17,398 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:31:17,398 WARN L623 FunctionHandler]: Unknown extern function fd_install [2022-12-14 15:31:17,398 WARN L623 FunctionHandler]: Unknown extern function put_unused_fd [2022-12-14 15:31:17,409 WARN L623 FunctionHandler]: Unknown extern function sys_close [2022-12-14 15:31:17,424 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 15:31:17,424 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:17,424 WARN L623 FunctionHandler]: Unknown extern function get_task_pid [2022-12-14 15:31:17,425 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:17,425 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 15:31:17,425 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:31:17,426 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 15:31:17,426 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:17,441 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:17,441 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 15:31:17,441 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:17,442 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 15:31:17,442 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:31:17,449 WARN L623 FunctionHandler]: Unknown extern function may_umount [2022-12-14 15:31:17,454 WARN L623 FunctionHandler]: Unknown extern function kern_path_mountpoint [2022-12-14 15:31:17,455 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 15:31:17,455 WARN L623 FunctionHandler]: Unknown extern function follow_down_one [2022-12-14 15:31:17,455 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:31:17,464 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 15:31:17,465 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:17,466 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 15:31:17,466 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:31:17,466 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:31:17,467 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:31:17,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:17,510 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 15:31:17,511 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 15:31:17,512 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 15:31:17,555 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 15:31:17,562 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,613 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,617 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,621 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,625 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,639 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,639 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,639 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,643 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,647 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,660 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,664 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,668 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,672 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,676 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,690 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,694 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,698 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,701 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,705 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,718 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,719 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,719 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,720 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,725 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,740 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,741 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,741 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,745 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,748 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,764 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,767 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,771 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,775 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,778 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,792 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,796 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,800 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,804 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,808 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,822 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,822 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,832 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,836 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,839 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,852 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,853 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,853 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,853 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,853 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,853 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,854 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,854 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,854 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,854 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:17,871 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402539,402552] [2022-12-14 15:31:17,874 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402684,402697] [2022-12-14 15:31:17,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:31:17,909 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:31:17,951 WARN L623 FunctionHandler]: Unknown extern function mount_nodev [2022-12-14 15:31:17,953 WARN L623 FunctionHandler]: Unknown extern function register_filesystem [2022-12-14 15:31:17,954 WARN L623 FunctionHandler]: Unknown extern function unregister_filesystem [2022-12-14 15:31:17,960 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 15:31:17,972 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:31:17,978 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:17,979 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 15:31:17,980 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,980 WARN L623 FunctionHandler]: Unknown extern function kill_litter_super [2022-12-14 15:31:17,980 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_68 [2022-12-14 15:31:17,981 WARN L623 FunctionHandler]: Unknown extern function kfree_call_rcu [2022-12-14 15:31:17,983 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:17,984 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 15:31:17,984 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:17,984 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 15:31:17,985 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:17,985 WARN L623 FunctionHandler]: Unknown extern function pid_vnr [2022-12-14 15:31:17,985 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:17,985 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:17,985 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:17,985 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:17,986 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:17,986 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:17,986 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:31:17,987 WARN L623 FunctionHandler]: Unknown extern function clear_inode [2022-12-14 15:31:17,987 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:17,988 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:17,989 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:17,989 WARN L623 FunctionHandler]: Unknown extern function match_token [2022-12-14 15:31:17,990 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:31:17,990 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:31:17,990 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:17,990 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-12-14 15:31:17,991 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:31:17,991 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:17,991 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-12-14 15:31:17,991 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:31:17,992 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:31:17,992 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:31:17,992 WARN L623 FunctionHandler]: Unknown extern function strsep [2022-12-14 15:31:17,994 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:17,995 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:31:17,995 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:31:17,995 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:31:17,995 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:31:17,997 WARN L623 FunctionHandler]: Unknown extern function d_make_root [2022-12-14 15:31:17,998 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:17,998 WARN L623 FunctionHandler]: Unknown extern function find_get_pid [2022-12-14 15:31:17,998 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:17,999 WARN L623 FunctionHandler]: Unknown extern function get_task_pid [2022-12-14 15:31:18,002 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:18,003 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,003 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 15:31:18,003 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:18,004 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:18,004 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:31:18,004 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:18,004 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:18,004 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 15:31:18,004 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:18,005 WARN L623 FunctionHandler]: Unknown extern function new_inode [2022-12-14 15:31:18,006 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 15:31:18,006 WARN L623 FunctionHandler]: Unknown extern function get_next_ino [2022-12-14 15:31:18,006 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-14 15:31:18,011 WARN L623 FunctionHandler]: Unknown extern function simple_statfs [2022-12-14 15:31:18,011 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 15:31:18,011 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 15:31:18,012 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 15:31:18,012 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 15:31:18,013 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 15:31:18,013 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 15:31:18,014 WARN L623 FunctionHandler]: Unknown extern function lockref_get [2022-12-14 15:31:18,015 WARN L623 FunctionHandler]: Unknown extern function __task_pid_nr_ns [2022-12-14 15:31:18,023 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,024 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:31:18,024 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_open [2022-12-14 15:31:18,026 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,026 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:31:18,026 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:31:18,029 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:31:18,031 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:31:18,034 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,034 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,035 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:18,053 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 15:31:18,053 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:18,055 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,056 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 15:31:18,057 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:31:18,059 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,060 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:31:18,062 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,063 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,064 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 15:31:18,066 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,067 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:18,067 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:18,068 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 15:31:18,069 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 15:31:18,070 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:18,070 WARN L623 FunctionHandler]: Unknown extern function clear_nlink [2022-12-14 15:31:18,070 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 15:31:18,071 WARN L623 FunctionHandler]: Unknown extern function d_drop [2022-12-14 15:31:18,073 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,073 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:31:18,074 WARN L623 FunctionHandler]: Unknown extern function d_drop [2022-12-14 15:31:18,074 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:18,074 WARN L623 FunctionHandler]: Unknown extern function clear_nlink [2022-12-14 15:31:18,075 WARN L623 FunctionHandler]: Unknown extern function drop_nlink [2022-12-14 15:31:18,077 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,078 WARN L623 FunctionHandler]: Unknown extern function inc_nlink [2022-12-14 15:31:18,078 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 15:31:18,079 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:18,079 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:18,079 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:18,080 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:18,080 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:18,080 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:18,081 WARN L623 FunctionHandler]: Unknown extern function may_umount [2022-12-14 15:31:18,081 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,082 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:18,084 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,084 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 15:31:18,089 WARN L623 FunctionHandler]: Unknown extern function dcache_readdir [2022-12-14 15:31:18,089 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_lseek [2022-12-14 15:31:18,089 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-12-14 15:31:18,090 WARN L623 FunctionHandler]: Unknown extern function dcache_readdir [2022-12-14 15:31:18,090 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_lseek [2022-12-14 15:31:18,090 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-12-14 15:31:18,091 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_open [2022-12-14 15:31:18,091 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_close [2022-12-14 15:31:18,091 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_close [2022-12-14 15:31:18,091 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 15:31:18,093 WARN L623 FunctionHandler]: Unknown extern function generic_readlink [2022-12-14 15:31:18,095 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:31:18,096 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:31:18,096 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:31:18,096 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 15:31:18,097 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 15:31:18,097 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 15:31:18,097 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 15:31:18,097 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 15:31:18,097 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 15:31:18,099 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 15:31:18,099 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 15:31:18,099 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:18,099 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 15:31:18,100 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 15:31:18,100 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:18,100 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 15:31:18,100 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 15:31:18,103 WARN L623 FunctionHandler]: Unknown extern function __task_pid_nr_ns [2022-12-14 15:31:18,104 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 15:31:18,104 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:18,105 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,105 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:18,106 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 15:31:18,106 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:31:18,106 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:18,107 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 15:31:18,108 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:18,109 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 15:31:18,110 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,112 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 15:31:18,112 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 15:31:18,112 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:18,112 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:18,113 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:18,113 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:31:18,114 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 15:31:18,115 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 15:31:18,116 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:31:18,117 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:18,117 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-14 15:31:18,117 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 15:31:18,118 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 15:31:18,119 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 15:31:18,119 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:18,120 WARN L623 FunctionHandler]: Unknown extern function task_tgid_nr_ns [2022-12-14 15:31:18,121 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 15:31:18,121 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:18,122 WARN L623 FunctionHandler]: Unknown extern function full_name_hash [2022-12-14 15:31:18,122 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 15:31:18,122 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:18,122 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:18,123 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:18,123 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:18,123 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:18,124 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 15:31:18,124 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:18,124 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:18,125 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,126 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,126 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:18,127 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:18,127 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 15:31:18,128 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 15:31:18,128 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 15:31:18,128 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 15:31:18,128 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 15:31:18,129 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,129 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 15:31:18,130 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:18,130 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 15:31:18,131 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:18,131 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:18,132 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 15:31:18,132 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:18,132 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:18,133 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 15:31:18,133 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:18,133 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:18,133 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 15:31:18,133 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 15:31:18,134 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 15:31:18,134 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 15:31:18,134 WARN L623 FunctionHandler]: Unknown extern function lock_set_class [2022-12-14 15:31:18,134 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_trylock [2022-12-14 15:31:18,135 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 15:31:18,135 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:18,136 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 15:31:18,136 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 15:31:18,136 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 15:31:18,138 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,139 WARN L623 FunctionHandler]: Unknown extern function path_get [2022-12-14 15:31:18,139 WARN L623 FunctionHandler]: Unknown extern function follow_down_one [2022-12-14 15:31:18,140 WARN L623 FunctionHandler]: Unknown extern function may_umount_tree [2022-12-14 15:31:18,141 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,141 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:31:18,142 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:18,143 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:18,144 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:18,145 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:18,146 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,146 WARN L623 FunctionHandler]: Unknown extern function may_umount_tree [2022-12-14 15:31:18,148 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,148 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,149 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:18,149 WARN L623 FunctionHandler]: Unknown extern function d_invalidate [2022-12-14 15:31:18,150 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:18,151 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,151 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,153 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:18,154 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,155 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,156 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:31:18,156 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:18,157 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,159 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,160 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 15:31:18,160 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:31:18,161 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:18,162 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-12-14 15:31:18,162 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-12-14 15:31:18,163 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:31:18,163 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:18,163 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 15:31:18,164 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 15:31:18,164 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 15:31:18,165 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:31:18,165 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 15:31:18,165 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 15:31:18,165 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 15:31:18,166 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 15:31:18,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:18,167 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-12-14 15:31:18,167 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:31:18,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:18,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:18,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:18,181 WARN L623 FunctionHandler]: Unknown extern function kern_path_mountpoint [2022-12-14 15:31:18,182 WARN L623 FunctionHandler]: Unknown extern function path_get [2022-12-14 15:31:18,182 WARN L623 FunctionHandler]: Unknown extern function follow_up [2022-12-14 15:31:18,183 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:31:18,184 WARN L623 FunctionHandler]: Unknown extern function get_unused_fd_flags [2022-12-14 15:31:18,185 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:18,185 WARN L623 FunctionHandler]: Unknown extern function dentry_open [2022-12-14 15:31:18,185 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:31:18,186 WARN L623 FunctionHandler]: Unknown extern function fd_install [2022-12-14 15:31:18,186 WARN L623 FunctionHandler]: Unknown extern function put_unused_fd [2022-12-14 15:31:18,187 WARN L623 FunctionHandler]: Unknown extern function sys_close [2022-12-14 15:31:18,189 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 15:31:18,189 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:18,190 WARN L623 FunctionHandler]: Unknown extern function get_task_pid [2022-12-14 15:31:18,190 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:18,191 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 15:31:18,191 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:31:18,192 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 15:31:18,192 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 15:31:18,194 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:18,194 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 15:31:18,195 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:31:18,195 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 15:31:18,195 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:31:18,198 WARN L623 FunctionHandler]: Unknown extern function may_umount [2022-12-14 15:31:18,200 WARN L623 FunctionHandler]: Unknown extern function kern_path_mountpoint [2022-12-14 15:31:18,202 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 15:31:18,202 WARN L623 FunctionHandler]: Unknown extern function follow_down_one [2022-12-14 15:31:18,203 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:31:18,206 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 15:31:18,207 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:18,208 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 15:31:18,209 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:31:18,209 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:31:18,209 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:31:18,212 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:31:18,218 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 15:31:18,220 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 15:31:18,221 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 15:31:18,224 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 15:31:18,224 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,228 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,228 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,228 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,229 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,229 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,230 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,230 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,230 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,230 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,231 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,232 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,232 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,232 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,233 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,233 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,234 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,234 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,234 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,234 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,235 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,236 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,236 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,236 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,236 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,237 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,237 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,238 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,238 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,238 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,239 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,239 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,240 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,240 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,240 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,241 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,241 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,242 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,242 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,242 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,243 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,243 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,244 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,244 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,244 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,245 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,245 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,245 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,246 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,246 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,246 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,246 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,246 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,246 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,247 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:31:18,248 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402539,402552] [2022-12-14 15:31:18,248 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i[402684,402697] [2022-12-14 15:31:18,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:31:18,350 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:31:18,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:31:18 WrapperNode [2022-12-14 15:31:18,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:31:18,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:31:18,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:31:18,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:31:18,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:31:18" (1/1) ... [2022-12-14 15:31:18,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:31:18" (1/1) ... [2022-12-14 15:31:18,630 INFO L138 Inliner]: procedures = 551, calls = 3920, calls flagged for inlining = 270, calls inlined = 246, statements flattened = 9260 [2022-12-14 15:31:18,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:31:18,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:31:18,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:31:18,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:31:18,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:31:18" (1/1) ... [2022-12-14 15:31:18,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:31:18" (1/1) ... [2022-12-14 15:31:18,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:31:18" (1/1) ... [2022-12-14 15:31:18,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:31:18" (1/1) ... [2022-12-14 15:31:18,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:31:18" (1/1) ... [2022-12-14 15:31:18,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:31:18" (1/1) ... [2022-12-14 15:31:18,827 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:31:18" (1/1) ... [2022-12-14 15:31:18,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:31:18" (1/1) ... [2022-12-14 15:31:18,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:31:18,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:31:18,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:31:18,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:31:18,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:31:18" (1/1) ... [2022-12-14 15:31:18,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:31:18,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:31:18,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:31:18,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8753d92-6dd4-4d79-aa56-a6772ff1381c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:31:18,936 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2022-12-14 15:31:18,936 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2022-12-14 15:31:18,936 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2022-12-14 15:31:18,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2022-12-14 15:31:18,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 15:31:18,936 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 15:31:18,936 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2022-12-14 15:31:18,936 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2022-12-14 15:31:18,937 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2022-12-14 15:31:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2022-12-14 15:31:18,937 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-14 15:31:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-14 15:31:18,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 15:31:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 15:31:18,937 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2022-12-14 15:31:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2022-12-14 15:31:18,937 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2022-12-14 15:31:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2022-12-14 15:31:18,937 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-12-14 15:31:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-12-14 15:31:18,937 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2022-12-14 15:31:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2022-12-14 15:31:18,937 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2022-12-14 15:31:18,938 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2022-12-14 15:31:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2022-12-14 15:31:18,938 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2022-12-14 15:31:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2022-12-14 15:31:18,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2022-12-14 15:31:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2022-12-14 15:31:18,938 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2022-12-14 15:31:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2022-12-14 15:31:18,938 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2022-12-14 15:31:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2022-12-14 15:31:18,938 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2022-12-14 15:31:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2022-12-14 15:31:18,938 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2022-12-14 15:31:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2022-12-14 15:31:18,938 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2022-12-14 15:31:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2022-12-14 15:31:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2022-12-14 15:31:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2022-12-14 15:31:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2022-12-14 15:31:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 15:31:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2022-12-14 15:31:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2022-12-14 15:31:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2022-12-14 15:31:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2022-12-14 15:31:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 15:31:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 15:31:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-12-14 15:31:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-12-14 15:31:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 15:31:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 15:31:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:31:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2022-12-14 15:31:18,940 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2022-12-14 15:31:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-14 15:31:18,940 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-14 15:31:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_63 [2022-12-14 15:31:18,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_63 [2022-12-14 15:31:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2022-12-14 15:31:18,940 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2022-12-14 15:31:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 15:31:18,940 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 15:31:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 15:31:18,940 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 15:31:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-12-14 15:31:18,940 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-12-14 15:31:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2022-12-14 15:31:18,941 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2022-12-14 15:31:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2022-12-14 15:31:18,941 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2022-12-14 15:31:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2022-12-14 15:31:18,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2022-12-14 15:31:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2022-12-14 15:31:18,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2022-12-14 15:31:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_57 [2022-12-14 15:31:18,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_57 [2022-12-14 15:31:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 15:31:18,941 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 15:31:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2022-12-14 15:31:18,941 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2022-12-14 15:31:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 15:31:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 15:31:18,942 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 15:31:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2022-12-14 15:31:18,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2022-12-14 15:31:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2022-12-14 15:31:18,942 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2022-12-14 15:31:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2022-12-14 15:31:18,942 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2022-12-14 15:31:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 15:31:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 15:31:18,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 15:31:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2022-12-14 15:31:18,942 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2022-12-14 15:31:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2022-12-14 15:31:18,942 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2022-12-14 15:31:18,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:31:18,943 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2022-12-14 15:31:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2022-12-14 15:31:18,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-14 15:31:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-14 15:31:18,943 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2022-12-14 15:31:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2022-12-14 15:31:18,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 15:31:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 15:31:18,943 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2022-12-14 15:31:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2022-12-14 15:31:18,943 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2022-12-14 15:31:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2022-12-14 15:31:18,943 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2022-12-14 15:31:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2022-12-14 15:31:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-12-14 15:31:18,944 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-12-14 15:31:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 15:31:18,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 15:31:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 15:31:18,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 15:31:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2022-12-14 15:31:18,944 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2022-12-14 15:31:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 15:31:18,944 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 15:31:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2022-12-14 15:31:18,944 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2022-12-14 15:31:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2022-12-14 15:31:18,944 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2022-12-14 15:31:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:31:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-12-14 15:31:18,945 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-12-14 15:31:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 15:31:18,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 15:31:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 15:31:18,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 15:31:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-12-14 15:31:18,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-12-14 15:31:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 15:31:18,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 15:31:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2022-12-14 15:31:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-12-14 15:31:18,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-12-14 15:31:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:31:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 15:31:18,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 15:31:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:31:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 15:31:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2022-12-14 15:31:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2022-12-14 15:31:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-12-14 15:31:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-12-14 15:31:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-12-14 15:31:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-12-14 15:31:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2022-12-14 15:31:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2022-12-14 15:31:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-12-14 15:31:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-12-14 15:31:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2022-12-14 15:31:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2022-12-14 15:31:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2022-12-14 15:31:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2022-12-14 15:31:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-14 15:31:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-14 15:31:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-14 15:31:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-14 15:31:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2022-12-14 15:31:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2022-12-14 15:31:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-14 15:31:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-14 15:31:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2022-12-14 15:31:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2022-12-14 15:31:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2022-12-14 15:31:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2022-12-14 15:31:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2022-12-14 15:31:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2022-12-14 15:31:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:31:18,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:31:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2022-12-14 15:31:18,948 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2022-12-14 15:31:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 15:31:18,948 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 15:31:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2022-12-14 15:31:18,948 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2022-12-14 15:31:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-12-14 15:31:18,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-12-14 15:31:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2022-12-14 15:31:18,948 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2022-12-14 15:31:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-12-14 15:31:18,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-12-14 15:31:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 15:31:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 15:31:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2022-12-14 15:31:18,949 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2022-12-14 15:31:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 15:31:18,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 15:31:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2022-12-14 15:31:18,949 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2022-12-14 15:31:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-12-14 15:31:18,949 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-12-14 15:31:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 15:31:18,949 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 15:31:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2022-12-14 15:31:18,949 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2022-12-14 15:31:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2022-12-14 15:31:18,949 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2022-12-14 15:31:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-12-14 15:31:18,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-12-14 15:31:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-12-14 15:31:18,950 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-12-14 15:31:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2022-12-14 15:31:18,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2022-12-14 15:31:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2022-12-14 15:31:18,950 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2022-12-14 15:31:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 15:31:18,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 15:31:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2022-12-14 15:31:18,950 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2022-12-14 15:31:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 15:31:18,950 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 15:31:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2022-12-14 15:31:18,950 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2022-12-14 15:31:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 15:31:18,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 15:31:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2022-12-14 15:31:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2022-12-14 15:31:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2022-12-14 15:31:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2022-12-14 15:31:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2022-12-14 15:31:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2022-12-14 15:31:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2022-12-14 15:31:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2022-12-14 15:31:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-14 15:31:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-14 15:31:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2022-12-14 15:31:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2022-12-14 15:31:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:31:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 15:31:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 15:31:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2022-12-14 15:31:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2022-12-14 15:31:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-12-14 15:31:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-12-14 15:31:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2022-12-14 15:31:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2022-12-14 15:31:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:31:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-12-14 15:31:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-12-14 15:31:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2022-12-14 15:31:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2022-12-14 15:31:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 15:31:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 15:31:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 15:31:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 15:31:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 15:31:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 15:31:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 15:31:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2022-12-14 15:31:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2022-12-14 15:31:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 15:31:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 15:31:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 15:31:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 15:31:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2022-12-14 15:31:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2022-12-14 15:31:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2022-12-14 15:31:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2022-12-14 15:31:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 15:31:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 15:31:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 15:31:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 15:31:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2022-12-14 15:31:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2022-12-14 15:31:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_86 [2022-12-14 15:31:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_86 [2022-12-14 15:31:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_64 [2022-12-14 15:31:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_64 [2022-12-14 15:31:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2022-12-14 15:31:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2022-12-14 15:31:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2022-12-14 15:31:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2022-12-14 15:31:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_58 [2022-12-14 15:31:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_58 [2022-12-14 15:31:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 15:31:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 15:31:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2022-12-14 15:31:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2022-12-14 15:31:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2022-12-14 15:31:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2022-12-14 15:31:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2022-12-14 15:31:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2022-12-14 15:31:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-12-14 15:31:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-12-14 15:31:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2022-12-14 15:31:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2022-12-14 15:31:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:31:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2022-12-14 15:31:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2022-12-14 15:31:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2022-12-14 15:31:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2022-12-14 15:31:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 15:31:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 15:31:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_87 [2022-12-14 15:31:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_87 [2022-12-14 15:31:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2022-12-14 15:31:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2022-12-14 15:31:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2022-12-14 15:31:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2022-12-14 15:31:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-12-14 15:31:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-12-14 15:31:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2022-12-14 15:31:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2022-12-14 15:31:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 15:31:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 15:31:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2022-12-14 15:31:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2022-12-14 15:31:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-14 15:31:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-14 15:31:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2022-12-14 15:31:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2022-12-14 15:31:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-12-14 15:31:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-12-14 15:31:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-14 15:31:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-14 15:31:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 15:31:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 15:31:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 15:31:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 15:31:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2022-12-14 15:31:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2022-12-14 15:31:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 15:31:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 15:31:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2022-12-14 15:31:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2022-12-14 15:31:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 15:31:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 15:31:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 15:31:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 15:31:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-12-14 15:31:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-12-14 15:31:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:31:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2022-12-14 15:31:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2022-12-14 15:31:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2022-12-14 15:31:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2022-12-14 15:31:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2022-12-14 15:31:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2022-12-14 15:31:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 15:31:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 15:31:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-12-14 15:31:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-12-14 15:31:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-12-14 15:31:19,673 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:31:19,677 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:31:19,896 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 15:31:20,472 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#descriptor~12#1.base, ~#descriptor~12#1.offset);havoc ~#descriptor~12#1.base, ~#descriptor~12#1.offset; [2022-12-14 15:31:26,674 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 15:31:26,862 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:31:27,949 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:31:27,949 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-12-14 15:31:27,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:31:27 BoogieIcfgContainer [2022-12-14 15:31:27,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:31:27,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:31:27,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:31:27,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:31:27,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:31:15" (1/3) ... [2022-12-14 15:31:27,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7fe8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:31:27, skipping insertion in model container [2022-12-14 15:31:27,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:31:18" (2/3) ... [2022-12-14 15:31:27,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7fe8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:31:27, skipping insertion in model container [2022-12-14 15:31:27,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:31:27" (3/3) ... [2022-12-14 15:31:27,963 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-autofs4-autofs4.cil.i [2022-12-14 15:31:27,983 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:31:27,983 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 15:31:28,082 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:31:28,087 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;@52eac53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:31:28,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 15:31:28,097 INFO L276 IsEmpty]: Start isEmpty. Operand has 2631 states, 1544 states have (on average 1.3128238341968912) internal successors, (2027), 1594 states have internal predecessors, (2027), 922 states have call successors, (922), 165 states have call predecessors, (922), 164 states have return successors, (911), 905 states have call predecessors, (911), 911 states have call successors, (911) [2022-12-14 15:31:28,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2022-12-14 15:31:28,140 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:31:28,141 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:31:28,141 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:31:28,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:31:28,145 INFO L85 PathProgramCache]: Analyzing trace with hash 884597356, now seen corresponding path program 1 times [2022-12-14 15:31:28,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:31:28,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094545371] [2022-12-14 15:31:28,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:31:28,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:31:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:31:28,969 INFO L134 CoverageAnalysis]: Checked inductivity of 7665 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7665 trivial. 0 not checked. [2022-12-14 15:31:28,970 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:31:28,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094545371] [2022-12-14 15:31:28,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094545371] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:31:28,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:31:28,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:31:28,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227339435] [2022-12-14 15:31:28,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:31:28,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:31:28,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:31:29,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:31:29,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:31:29,006 INFO L87 Difference]: Start difference. First operand has 2631 states, 1544 states have (on average 1.3128238341968912) internal successors, (2027), 1594 states have internal predecessors, (2027), 922 states have call successors, (922), 165 states have call predecessors, (922), 164 states have return successors, (911), 905 states have call predecessors, (911), 911 states have call successors, (911) Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-12-14 15:31:31,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:31:34,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:31:34,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:31:34,624 INFO L93 Difference]: Finished difference Result 7224 states and 10638 transitions. [2022-12-14 15:31:34,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:31:34,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 531 [2022-12-14 15:31:34,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:31:34,672 INFO L225 Difference]: With dead ends: 7224 [2022-12-14 15:31:34,673 INFO L226 Difference]: Without dead ends: 4619 [2022-12-14 15:31:34,693 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 [2022-12-14 15:31:34,696 INFO L413 NwaCegarLoop]: 5033 mSDtfsCounter, 2987 mSDsluCounter, 3430 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2989 SdHoareTripleChecker+Valid, 8463 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 15:31:34,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2989 Valid, 8463 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 922 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 15:31:34,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4619 states. [2022-12-14 15:31:34,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4619 to 4615. [2022-12-14 15:31:34,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4615 states, 2730 states have (on average 1.3054945054945055) internal successors, (3564), 2810 states have internal predecessors, (3564), 1577 states have call successors, (1577), 307 states have call predecessors, (1577), 307 states have return successors, (1579), 1564 states have call predecessors, (1579), 1577 states have call successors, (1579) [2022-12-14 15:31:35,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4615 states to 4615 states and 6720 transitions. [2022-12-14 15:31:35,021 INFO L78 Accepts]: Start accepts. Automaton has 4615 states and 6720 transitions. Word has length 531 [2022-12-14 15:31:35,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:31:35,023 INFO L495 AbstractCegarLoop]: Abstraction has 4615 states and 6720 transitions. [2022-12-14 15:31:35,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-12-14 15:31:35,024 INFO L276 IsEmpty]: Start isEmpty. Operand 4615 states and 6720 transitions. [2022-12-14 15:31:35,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2022-12-14 15:31:35,053 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:31:35,053 INFO L195 NwaCegarLoop]: trace histogram [46, 44, 44, 44, 44, 44, 44, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:31:35,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:31:35,053 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:31:35,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:31:35,054 INFO L85 PathProgramCache]: Analyzing trace with hash -404153307, now seen corresponding path program 1 times [2022-12-14 15:31:35,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:31:35,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164385625] [2022-12-14 15:31:35,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:31:35,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:31:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:31:35,595 INFO L134 CoverageAnalysis]: Checked inductivity of 7764 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7761 trivial. 0 not checked. [2022-12-14 15:31:35,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:31:35,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164385625] [2022-12-14 15:31:35,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164385625] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:31:35,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:31:35,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:31:35,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837744033] [2022-12-14 15:31:35,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:31:35,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:31:35,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:31:35,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:31:35,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:31:35,599 INFO L87 Difference]: Start difference. First operand 4615 states and 6720 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-12-14 15:31:37,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:31:40,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:31:41,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:31:41,175 INFO L93 Difference]: Finished difference Result 11131 states and 16176 transitions. [2022-12-14 15:31:41,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:31:41,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 549 [2022-12-14 15:31:41,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:31:41,207 INFO L225 Difference]: With dead ends: 11131 [2022-12-14 15:31:41,207 INFO L226 Difference]: Without dead ends: 6605 [2022-12-14 15:31:41,225 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 [2022-12-14 15:31:41,225 INFO L413 NwaCegarLoop]: 4912 mSDtfsCounter, 2897 mSDsluCounter, 3326 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2899 SdHoareTripleChecker+Valid, 8238 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 15:31:41,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2899 Valid, 8238 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 913 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 15:31:41,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6605 states. [2022-12-14 15:31:41,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6605 to 6603. [2022-12-14 15:31:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6603 states, 3904 states have (on average 1.3037909836065573) internal successors, (5090), 4014 states have internal predecessors, (5090), 2243 states have call successors, (2243), 455 states have call predecessors, (2243), 455 states have return successors, (2247), 2225 states have call predecessors, (2247), 2243 states have call successors, (2247) [2022-12-14 15:31:41,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6603 states to 6603 states and 9580 transitions. [2022-12-14 15:31:41,528 INFO L78 Accepts]: Start accepts. Automaton has 6603 states and 9580 transitions. Word has length 549 [2022-12-14 15:31:41,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:31:41,528 INFO L495 AbstractCegarLoop]: Abstraction has 6603 states and 9580 transitions. [2022-12-14 15:31:41,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-12-14 15:31:41,529 INFO L276 IsEmpty]: Start isEmpty. Operand 6603 states and 9580 transitions. [2022-12-14 15:31:41,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2022-12-14 15:31:41,543 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:31:41,543 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:31:41,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:31:41,543 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:31:41,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:31:41,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1472306196, now seen corresponding path program 1 times [2022-12-14 15:31:41,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:31:41,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244449141] [2022-12-14 15:31:41,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:31:41,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:31:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:31:42,079 INFO L134 CoverageAnalysis]: Checked inductivity of 7660 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7660 trivial. 0 not checked. [2022-12-14 15:31:42,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:31:42,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244449141] [2022-12-14 15:31:42,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244449141] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:31:42,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:31:42,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:31:42,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933614788] [2022-12-14 15:31:42,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:31:42,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:31:42,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:31:42,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:31:42,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:31:42,083 INFO L87 Difference]: Start difference. First operand 6603 states and 9580 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (67), 2 states have call predecessors, (67), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-12-14 15:31:44,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:31:47,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:31:47,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:31:47,741 INFO L93 Difference]: Finished difference Result 17197 states and 24908 transitions. [2022-12-14 15:31:47,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:31:47,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (67), 2 states have call predecessors, (67), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 551 [2022-12-14 15:31:47,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:31:47,815 INFO L225 Difference]: With dead ends: 17197 [2022-12-14 15:31:47,815 INFO L226 Difference]: Without dead ends: 10683 [2022-12-14 15:31:47,849 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 [2022-12-14 15:31:47,850 INFO L413 NwaCegarLoop]: 5066 mSDtfsCounter, 3195 mSDsluCounter, 3346 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3199 SdHoareTripleChecker+Valid, 8412 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 15:31:47,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3199 Valid, 8412 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 952 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 15:31:47,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10683 states. [2022-12-14 15:31:48,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10683 to 10680. [2022-12-14 15:31:48,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10680 states, 6327 states have (on average 1.3018808281966177) internal successors, (8237), 6511 states have internal predecessors, (8237), 3590 states have call successors, (3590), 762 states have call predecessors, (3590), 762 states have return successors, (3602), 3559 states have call predecessors, (3602), 3590 states have call successors, (3602) [2022-12-14 15:31:48,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10680 states to 10680 states and 15429 transitions. [2022-12-14 15:31:48,313 INFO L78 Accepts]: Start accepts. Automaton has 10680 states and 15429 transitions. Word has length 551 [2022-12-14 15:31:48,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:31:48,314 INFO L495 AbstractCegarLoop]: Abstraction has 10680 states and 15429 transitions. [2022-12-14 15:31:48,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (67), 2 states have call predecessors, (67), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-12-14 15:31:48,315 INFO L276 IsEmpty]: Start isEmpty. Operand 10680 states and 15429 transitions. [2022-12-14 15:31:48,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2022-12-14 15:31:48,330 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:31:48,330 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:31:48,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 15:31:48,331 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:31:48,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:31:48,331 INFO L85 PathProgramCache]: Analyzing trace with hash -46220835, now seen corresponding path program 1 times [2022-12-14 15:31:48,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:31:48,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380933782] [2022-12-14 15:31:48,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:31:48,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:31:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:31:48,815 INFO L134 CoverageAnalysis]: Checked inductivity of 7660 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7660 trivial. 0 not checked. [2022-12-14 15:31:48,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:31:48,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380933782] [2022-12-14 15:31:48,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380933782] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:31:48,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:31:48,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:31:48,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230940073] [2022-12-14 15:31:48,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:31:48,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:31:48,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:31:48,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:31:48,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:31:48,817 INFO L87 Difference]: Start difference. First operand 10680 states and 15429 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-12-14 15:31:50,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:31:54,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:31:54,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:31:54,683 INFO L93 Difference]: Finished difference Result 28012 states and 40320 transitions. [2022-12-14 15:31:54,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:31:54,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 544 [2022-12-14 15:31:54,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:31:54,746 INFO L225 Difference]: With dead ends: 28012 [2022-12-14 15:31:54,746 INFO L226 Difference]: Without dead ends: 17421 [2022-12-14 15:31:54,775 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 [2022-12-14 15:31:54,775 INFO L413 NwaCegarLoop]: 5070 mSDtfsCounter, 3210 mSDsluCounter, 3350 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3214 SdHoareTripleChecker+Valid, 8420 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:31:54,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3214 Valid, 8420 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 949 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 15:31:54,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17421 states. [2022-12-14 15:31:55,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17421 to 17410. [2022-12-14 15:31:55,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17410 states, 10361 states have (on average 1.2996814979249107) internal successors, (13466), 10675 states have internal predecessors, (13466), 5734 states have call successors, (5734), 1314 states have call predecessors, (5734), 1314 states have return successors, (5764), 5680 states have call predecessors, (5764), 5734 states have call successors, (5764) [2022-12-14 15:31:55,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17410 states to 17410 states and 24964 transitions. [2022-12-14 15:31:55,452 INFO L78 Accepts]: Start accepts. Automaton has 17410 states and 24964 transitions. Word has length 544 [2022-12-14 15:31:55,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:31:55,453 INFO L495 AbstractCegarLoop]: Abstraction has 17410 states and 24964 transitions. [2022-12-14 15:31:55,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-12-14 15:31:55,453 INFO L276 IsEmpty]: Start isEmpty. Operand 17410 states and 24964 transitions. [2022-12-14 15:31:55,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2022-12-14 15:31:55,498 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:31:55,499 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:31:55,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 15:31:55,499 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:31:55,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:31:55,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1994862820, now seen corresponding path program 1 times [2022-12-14 15:31:55,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:31:55,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795473457] [2022-12-14 15:31:55,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:31:55,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:31:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:31:56,051 INFO L134 CoverageAnalysis]: Checked inductivity of 7660 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7660 trivial. 0 not checked. [2022-12-14 15:31:56,051 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:31:56,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795473457] [2022-12-14 15:31:56,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795473457] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:31:56,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:31:56,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:31:56,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863562476] [2022-12-14 15:31:56,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:31:56,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:31:56,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:31:56,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:31:56,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:31:56,054 INFO L87 Difference]: Start difference. First operand 17410 states and 24964 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2022-12-14 15:31:58,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:32:01,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:32:02,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:32:02,329 INFO L93 Difference]: Finished difference Result 47937 states and 68657 transitions. [2022-12-14 15:32:02,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:32:02,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) Word has length 559 [2022-12-14 15:32:02,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:32:02,433 INFO L225 Difference]: With dead ends: 47937 [2022-12-14 15:32:02,433 INFO L226 Difference]: Without dead ends: 30616 [2022-12-14 15:32:02,475 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 [2022-12-14 15:32:02,476 INFO L413 NwaCegarLoop]: 5091 mSDtfsCounter, 3062 mSDsluCounter, 3347 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3064 SdHoareTripleChecker+Valid, 8438 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:32:02,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3064 Valid, 8438 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 963 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 15:32:02,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30616 states. [2022-12-14 15:32:03,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30616 to 30613. [2022-12-14 15:32:03,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30613 states, 18221 states have (on average 1.2954283519016518) internal successors, (23604), 18792 states have internal predecessors, (23604), 10040 states have call successors, (10040), 2353 states have call predecessors, (10040), 2351 states have return successors, (10090), 9934 states have call predecessors, (10090), 10040 states have call successors, (10090) [2022-12-14 15:32:03,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30613 states to 30613 states and 43734 transitions. [2022-12-14 15:32:03,593 INFO L78 Accepts]: Start accepts. Automaton has 30613 states and 43734 transitions. Word has length 559 [2022-12-14 15:32:03,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:32:03,594 INFO L495 AbstractCegarLoop]: Abstraction has 30613 states and 43734 transitions. [2022-12-14 15:32:03,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2022-12-14 15:32:03,594 INFO L276 IsEmpty]: Start isEmpty. Operand 30613 states and 43734 transitions. [2022-12-14 15:32:03,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2022-12-14 15:32:03,614 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:32:03,614 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:32:03,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 15:32:03,615 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:32:03,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:32:03,615 INFO L85 PathProgramCache]: Analyzing trace with hash 590677447, now seen corresponding path program 1 times [2022-12-14 15:32:03,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:32:03,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674765831] [2022-12-14 15:32:03,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:32:03,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:32:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:32:03,990 INFO L134 CoverageAnalysis]: Checked inductivity of 7704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7704 trivial. 0 not checked. [2022-12-14 15:32:03,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:32:03,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674765831] [2022-12-14 15:32:03,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674765831] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:32:03,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:32:03,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:32:03,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847095281] [2022-12-14 15:32:03,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:32:03,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:32:03,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:32:03,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:32:03,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:32:03,993 INFO L87 Difference]: Start difference. First operand 30613 states and 43734 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2022-12-14 15:32:06,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:32:09,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:32:10,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:32:10,586 INFO L93 Difference]: Finished difference Result 84031 states and 119694 transitions. [2022-12-14 15:32:10,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:32:10,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) Word has length 602 [2022-12-14 15:32:10,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:32:10,758 INFO L225 Difference]: With dead ends: 84031 [2022-12-14 15:32:10,758 INFO L226 Difference]: Without dead ends: 53507 [2022-12-14 15:32:10,890 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 [2022-12-14 15:32:10,891 INFO L413 NwaCegarLoop]: 4561 mSDtfsCounter, 2963 mSDsluCounter, 3374 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2967 SdHoareTripleChecker+Valid, 7935 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:32:10,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2967 Valid, 7935 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 867 Invalid, 2 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 15:32:10,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53507 states. [2022-12-14 15:32:12,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53507 to 53472. [2022-12-14 15:32:12,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53472 states, 31813 states have (on average 1.2916732153522146) internal successors, (41092), 32759 states have internal predecessors, (41092), 17389 states have call successors, (17389), 4273 states have call predecessors, (17389), 4269 states have return successors, (17493), 17205 states have call predecessors, (17493), 17389 states have call successors, (17493) [2022-12-14 15:32:12,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53472 states to 53472 states and 75974 transitions. [2022-12-14 15:32:12,684 INFO L78 Accepts]: Start accepts. Automaton has 53472 states and 75974 transitions. Word has length 602 [2022-12-14 15:32:12,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:32:12,685 INFO L495 AbstractCegarLoop]: Abstraction has 53472 states and 75974 transitions. [2022-12-14 15:32:12,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2022-12-14 15:32:12,685 INFO L276 IsEmpty]: Start isEmpty. Operand 53472 states and 75974 transitions. [2022-12-14 15:32:12,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2022-12-14 15:32:12,717 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:32:12,718 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:32:12,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 15:32:12,718 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:32:12,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:32:12,718 INFO L85 PathProgramCache]: Analyzing trace with hash 497375383, now seen corresponding path program 1 times [2022-12-14 15:32:12,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:32:12,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171733500] [2022-12-14 15:32:12,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:32:12,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:32:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:32:13,133 INFO L134 CoverageAnalysis]: Checked inductivity of 8096 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8089 trivial. 0 not checked. [2022-12-14 15:32:13,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:32:13,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171733500] [2022-12-14 15:32:13,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171733500] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:32:13,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:32:13,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:32:13,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153951006] [2022-12-14 15:32:13,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:32:13,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:32:13,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:32:13,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:32:13,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:32:13,134 INFO L87 Difference]: Start difference. First operand 53472 states and 75974 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (68), 3 states have call predecessors, (68), 3 states have call successors, (68) [2022-12-14 15:32:15,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:32:18,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:32:20,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:32:22,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:32:22,363 INFO L93 Difference]: Finished difference Result 130637 states and 185564 transitions. [2022-12-14 15:32:22,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:32:22,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (68), 3 states have call predecessors, (68), 3 states have call successors, (68) Word has length 599 [2022-12-14 15:32:22,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:32:22,629 INFO L225 Difference]: With dead ends: 130637 [2022-12-14 15:32:22,630 INFO L226 Difference]: Without dead ends: 77394 [2022-12-14 15:32:22,766 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 [2022-12-14 15:32:22,767 INFO L413 NwaCegarLoop]: 6000 mSDtfsCounter, 2945 mSDsluCounter, 3365 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2947 SdHoareTripleChecker+Valid, 9365 SdHoareTripleChecker+Invalid, 1134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:32:22,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2947 Valid, 9365 Invalid, 1134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1128 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2022-12-14 15:32:22,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77394 states. [2022-12-14 15:32:24,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77394 to 77360. [2022-12-14 15:32:24,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77360 states, 46088 states have (on average 1.292657524735289) internal successors, (59576), 47424 states have internal predecessors, (59576), 25036 states have call successors, (25036), 6241 states have call predecessors, (25036), 6235 states have return successors, (25178), 24752 states have call predecessors, (25178), 25036 states have call successors, (25178) [2022-12-14 15:32:25,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77360 states to 77360 states and 109790 transitions. [2022-12-14 15:32:25,322 INFO L78 Accepts]: Start accepts. Automaton has 77360 states and 109790 transitions. Word has length 599 [2022-12-14 15:32:25,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:32:25,323 INFO L495 AbstractCegarLoop]: Abstraction has 77360 states and 109790 transitions. [2022-12-14 15:32:25,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (68), 3 states have call predecessors, (68), 3 states have call successors, (68) [2022-12-14 15:32:25,323 INFO L276 IsEmpty]: Start isEmpty. Operand 77360 states and 109790 transitions. [2022-12-14 15:32:25,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2022-12-14 15:32:25,383 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:32:25,384 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:32:25,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 15:32:25,384 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:32:25,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:32:25,385 INFO L85 PathProgramCache]: Analyzing trace with hash -252660468, now seen corresponding path program 1 times [2022-12-14 15:32:25,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:32:25,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536609010] [2022-12-14 15:32:25,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:32:25,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:32:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:32:25,915 INFO L134 CoverageAnalysis]: Checked inductivity of 8053 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8050 trivial. 0 not checked. [2022-12-14 15:32:25,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:32:25,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536609010] [2022-12-14 15:32:25,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536609010] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:32:25,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:32:25,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:32:25,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314936079] [2022-12-14 15:32:25,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:32:25,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:32:25,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:32:25,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:32:25,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:32:25,917 INFO L87 Difference]: Start difference. First operand 77360 states and 109790 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2022-12-14 15:32:28,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:32:31,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:32:34,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:32:34,500 INFO L93 Difference]: Finished difference Result 187601 states and 266094 transitions. [2022-12-14 15:32:34,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:32:34,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) Word has length 611 [2022-12-14 15:32:34,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:32:34,996 INFO L225 Difference]: With dead ends: 187601 [2022-12-14 15:32:34,996 INFO L226 Difference]: Without dead ends: 110470 [2022-12-14 15:32:35,248 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 [2022-12-14 15:32:35,249 INFO L413 NwaCegarLoop]: 6255 mSDtfsCounter, 3207 mSDsluCounter, 3340 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3211 SdHoareTripleChecker+Valid, 9595 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:32:35,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3211 Valid, 9595 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1169 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 15:32:35,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110470 states. [2022-12-14 15:32:38,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110470 to 110419. [2022-12-14 15:32:38,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110419 states, 65880 states have (on average 1.2917577413479053) internal successors, (85101), 67812 states have internal predecessors, (85101), 35505 states have call successors, (35505), 9045 states have call predecessors, (35505), 9033 states have return successors, (35729), 35085 states have call predecessors, (35729), 35505 states have call successors, (35729) [2022-12-14 15:32:38,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110419 states to 110419 states and 156335 transitions. [2022-12-14 15:32:38,859 INFO L78 Accepts]: Start accepts. Automaton has 110419 states and 156335 transitions. Word has length 611 [2022-12-14 15:32:38,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:32:38,859 INFO L495 AbstractCegarLoop]: Abstraction has 110419 states and 156335 transitions. [2022-12-14 15:32:38,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2022-12-14 15:32:38,860 INFO L276 IsEmpty]: Start isEmpty. Operand 110419 states and 156335 transitions. [2022-12-14 15:32:39,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2022-12-14 15:32:39,016 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:32:39,017 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:32:39,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 15:32:39,017 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:32:39,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:32:39,017 INFO L85 PathProgramCache]: Analyzing trace with hash -748154408, now seen corresponding path program 1 times [2022-12-14 15:32:39,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:32:39,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178154795] [2022-12-14 15:32:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:32:39,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:32:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:32:39,535 INFO L134 CoverageAnalysis]: Checked inductivity of 8053 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8050 trivial. 0 not checked. [2022-12-14 15:32:39,536 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:32:39,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178154795] [2022-12-14 15:32:39,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178154795] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:32:39,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:32:39,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:32:39,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168753470] [2022-12-14 15:32:39,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:32:39,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:32:39,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:32:39,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:32:39,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:32:39,539 INFO L87 Difference]: Start difference. First operand 110419 states and 156335 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (68), 3 states have call predecessors, (68), 3 states have call successors, (68) [2022-12-14 15:32:41,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:32:45,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:32:48,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:32:51,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:32:51,944 INFO L93 Difference]: Finished difference Result 264900 states and 374725 transitions. [2022-12-14 15:32:51,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:32:51,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (68), 3 states have call predecessors, (68), 3 states have call successors, (68) Word has length 609 [2022-12-14 15:32:51,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:32:52,510 INFO L225 Difference]: With dead ends: 264900 [2022-12-14 15:32:52,510 INFO L226 Difference]: Without dead ends: 154710 [2022-12-14 15:32:52,775 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 [2022-12-14 15:32:52,775 INFO L413 NwaCegarLoop]: 6238 mSDtfsCounter, 3192 mSDsluCounter, 3336 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3196 SdHoareTripleChecker+Valid, 9574 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:32:52,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3196 Valid, 9574 Invalid, 1187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1175 Invalid, 3 Unknown, 0 Unchecked, 8.1s Time] [2022-12-14 15:32:52,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154710 states. [2022-12-14 15:32:57,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154710 to 154707. [2022-12-14 15:32:57,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154707 states, 92488 states have (on average 1.2904701150419513) internal successors, (119353), 95236 states have internal predecessors, (119353), 49329 states have call successors, (49329), 12913 states have call predecessors, (49329), 12889 states have return successors, (49679), 48711 states have call predecessors, (49679), 49329 states have call successors, (49679) [2022-12-14 15:32:57,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154707 states to 154707 states and 218361 transitions. [2022-12-14 15:32:57,931 INFO L78 Accepts]: Start accepts. Automaton has 154707 states and 218361 transitions. Word has length 609 [2022-12-14 15:32:57,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:32:57,932 INFO L495 AbstractCegarLoop]: Abstraction has 154707 states and 218361 transitions. [2022-12-14 15:32:57,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (68), 3 states have call predecessors, (68), 3 states have call successors, (68) [2022-12-14 15:32:57,932 INFO L276 IsEmpty]: Start isEmpty. Operand 154707 states and 218361 transitions. [2022-12-14 15:32:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2022-12-14 15:32:57,979 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:32:57,979 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:32:57,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 15:32:57,980 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:32:57,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:32:57,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1459531066, now seen corresponding path program 1 times [2022-12-14 15:32:57,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:32:57,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052922891] [2022-12-14 15:32:57,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:32:57,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:32:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:32:58,499 INFO L134 CoverageAnalysis]: Checked inductivity of 8053 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8050 trivial. 0 not checked. [2022-12-14 15:32:58,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:32:58,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052922891] [2022-12-14 15:32:58,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052922891] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:32:58,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:32:58,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:32:58,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823812186] [2022-12-14 15:32:58,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:32:58,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:32:58,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:32:58,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:32:58,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:32:58,501 INFO L87 Difference]: Start difference. First operand 154707 states and 218361 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2022-12-14 15:33:01,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:33:03,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:33:09,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:33:09,913 INFO L93 Difference]: Finished difference Result 377254 states and 532537 transitions. [2022-12-14 15:33:09,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:33:09,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) Word has length 620 [2022-12-14 15:33:09,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:33:10,795 INFO L225 Difference]: With dead ends: 377254 [2022-12-14 15:33:10,795 INFO L226 Difference]: Without dead ends: 222776 [2022-12-14 15:33:11,191 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 [2022-12-14 15:33:11,191 INFO L413 NwaCegarLoop]: 6114 mSDtfsCounter, 3059 mSDsluCounter, 3337 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3061 SdHoareTripleChecker+Valid, 9451 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:33:11,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3061 Valid, 9451 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1156 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 15:33:11,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222776 states. [2022-12-14 15:33:18,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222776 to 222773. [2022-12-14 15:33:18,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222773 states, 133238 states have (on average 1.288844023476786) internal successors, (171723), 137255 states have internal predecessors, (171723), 70887 states have call successors, (70887), 18695 states have call predecessors, (70887), 18647 states have return successors, (71375), 69948 states have call predecessors, (71375), 70887 states have call successors, (71375) [2022-12-14 15:33:19,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222773 states to 222773 states and 313985 transitions. [2022-12-14 15:33:19,230 INFO L78 Accepts]: Start accepts. Automaton has 222773 states and 313985 transitions. Word has length 620 [2022-12-14 15:33:19,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:33:19,230 INFO L495 AbstractCegarLoop]: Abstraction has 222773 states and 313985 transitions. [2022-12-14 15:33:19,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2022-12-14 15:33:19,231 INFO L276 IsEmpty]: Start isEmpty. Operand 222773 states and 313985 transitions. [2022-12-14 15:33:19,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2022-12-14 15:33:19,398 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:33:19,398 INFO L195 NwaCegarLoop]: trace histogram [51, 44, 44, 44, 44, 44, 44, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:33:19,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 15:33:19,398 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:33:19,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:33:19,399 INFO L85 PathProgramCache]: Analyzing trace with hash -561823259, now seen corresponding path program 1 times [2022-12-14 15:33:19,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:33:19,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669071855] [2022-12-14 15:33:19,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:33:19,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:33:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:33:19,782 INFO L134 CoverageAnalysis]: Checked inductivity of 8312 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8294 trivial. 0 not checked. [2022-12-14 15:33:19,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:33:19,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669071855] [2022-12-14 15:33:19,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669071855] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:33:19,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:33:19,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:33:19,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699618383] [2022-12-14 15:33:19,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:33:19,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:33:19,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:33:19,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:33:19,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:33:19,784 INFO L87 Difference]: Start difference. First operand 222773 states and 313985 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 4 states have call predecessors, (70), 3 states have call successors, (70) [2022-12-14 15:33:22,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:33:34,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:33:34,277 INFO L93 Difference]: Finished difference Result 512532 states and 722003 transitions. [2022-12-14 15:33:34,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:33:34,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 4 states have call predecessors, (70), 3 states have call successors, (70) Word has length 624 [2022-12-14 15:33:34,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:33:35,586 INFO L225 Difference]: With dead ends: 512532 [2022-12-14 15:33:35,586 INFO L226 Difference]: Without dead ends: 289988 [2022-12-14 15:33:36,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:33:36,284 INFO L413 NwaCegarLoop]: 5999 mSDtfsCounter, 2924 mSDsluCounter, 15363 mSDsCounter, 0 mSdLazyCounter, 2560 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2926 SdHoareTripleChecker+Valid, 21362 SdHoareTripleChecker+Invalid, 2562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2560 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:33:36,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2926 Valid, 21362 Invalid, 2562 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2560 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-12-14 15:33:36,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289988 states. [2022-12-14 15:33:45,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289988 to 289770. [2022-12-14 15:33:45,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289770 states, 173323 states have (on average 1.2882768011169896) internal successors, (223288), 178485 states have internal predecessors, (223288), 92043 states have call successors, (92043), 24413 states have call predecessors, (92043), 24403 states have return successors, (92713), 90827 states have call predecessors, (92713), 92043 states have call successors, (92713) [2022-12-14 15:33:47,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289770 states to 289770 states and 408044 transitions. [2022-12-14 15:33:47,187 INFO L78 Accepts]: Start accepts. Automaton has 289770 states and 408044 transitions. Word has length 624 [2022-12-14 15:33:47,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:33:47,188 INFO L495 AbstractCegarLoop]: Abstraction has 289770 states and 408044 transitions. [2022-12-14 15:33:47,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 4 states have call predecessors, (70), 3 states have call successors, (70) [2022-12-14 15:33:47,188 INFO L276 IsEmpty]: Start isEmpty. Operand 289770 states and 408044 transitions. [2022-12-14 15:33:47,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2022-12-14 15:33:47,233 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:33:47,234 INFO L195 NwaCegarLoop]: trace histogram [51, 44, 44, 44, 44, 44, 44, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:33:47,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 15:33:47,234 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:33:47,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:33:47,234 INFO L85 PathProgramCache]: Analyzing trace with hash 915926038, now seen corresponding path program 1 times [2022-12-14 15:33:47,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:33:47,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840525622] [2022-12-14 15:33:47,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:33:47,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:33:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:33:47,732 INFO L134 CoverageAnalysis]: Checked inductivity of 8312 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8294 trivial. 0 not checked. [2022-12-14 15:33:47,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:33:47,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840525622] [2022-12-14 15:33:47,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840525622] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:33:47,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:33:47,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:33:47,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120290381] [2022-12-14 15:33:47,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:33:47,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:33:47,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:33:47,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:33:47,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:33:47,735 INFO L87 Difference]: Start difference. First operand 289770 states and 408044 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 3 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 4 states have call predecessors, (70), 3 states have call successors, (70) [2022-12-14 15:33:51,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:33:53,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:33:55,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:34:06,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:34:06,012 INFO L93 Difference]: Finished difference Result 646714 states and 910409 transitions. [2022-12-14 15:34:06,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:34:06,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 3 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 4 states have call predecessors, (70), 3 states have call successors, (70) Word has length 625 [2022-12-14 15:34:06,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:34:07,751 INFO L225 Difference]: With dead ends: 646714 [2022-12-14 15:34:07,751 INFO L226 Difference]: Without dead ends: 357173 [2022-12-14 15:34:08,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:34:08,778 INFO L413 NwaCegarLoop]: 6004 mSDtfsCounter, 2935 mSDsluCounter, 15363 mSDsCounter, 0 mSdLazyCounter, 2558 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2937 SdHoareTripleChecker+Valid, 21367 SdHoareTripleChecker+Invalid, 2564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2558 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-12-14 15:34:08,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2937 Valid, 21367 Invalid, 2564 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2558 Invalid, 3 Unknown, 0 Unchecked, 8.7s Time] [2022-12-14 15:34:09,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357173 states. [2022-12-14 15:34:19,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357173 to 356955. [2022-12-14 15:34:19,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356955 states, 213564 states have (on average 1.2877498080200782) internal successors, (275017), 219871 states have internal predecessors, (275017), 113207 states have call successors, (113207), 30155 states have call predecessors, (113207), 30183 states have return successors, (114059), 111714 states have call predecessors, (114059), 113207 states have call successors, (114059) [2022-12-14 15:34:21,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356955 states to 356955 states and 502283 transitions. [2022-12-14 15:34:21,533 INFO L78 Accepts]: Start accepts. Automaton has 356955 states and 502283 transitions. Word has length 625 [2022-12-14 15:34:21,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:34:21,533 INFO L495 AbstractCegarLoop]: Abstraction has 356955 states and 502283 transitions. [2022-12-14 15:34:21,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 3 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 4 states have call predecessors, (70), 3 states have call successors, (70) [2022-12-14 15:34:21,533 INFO L276 IsEmpty]: Start isEmpty. Operand 356955 states and 502283 transitions. [2022-12-14 15:34:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2022-12-14 15:34:21,587 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:34:21,587 INFO L195 NwaCegarLoop]: trace histogram [51, 44, 44, 44, 44, 44, 44, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:34:21,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 15:34:21,588 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:34:21,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:34:21,588 INFO L85 PathProgramCache]: Analyzing trace with hash 256607396, now seen corresponding path program 1 times [2022-12-14 15:34:21,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:34:21,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639646800] [2022-12-14 15:34:21,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:34:21,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:34:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:34:22,065 INFO L134 CoverageAnalysis]: Checked inductivity of 8312 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8294 trivial. 0 not checked. [2022-12-14 15:34:22,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:34:22,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639646800] [2022-12-14 15:34:22,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639646800] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:34:22,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:34:22,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:34:22,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206090602] [2022-12-14 15:34:22,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:34:22,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:34:22,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:34:22,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:34:22,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:34:22,067 INFO L87 Difference]: Start difference. First operand 356955 states and 502283 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 4 states have call predecessors, (70), 3 states have call successors, (70) [2022-12-14 15:34:25,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:34:27,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:34:29,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:34:31,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:34:44,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:34:44,858 INFO L93 Difference]: Finished difference Result 781968 states and 1099828 transitions. [2022-12-14 15:34:44,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:34:44,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 4 states have call predecessors, (70), 3 states have call successors, (70) Word has length 626 [2022-12-14 15:34:44,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:34:46,772 INFO L225 Difference]: With dead ends: 781968 [2022-12-14 15:34:46,772 INFO L226 Difference]: Without dead ends: 425242 [2022-12-14 15:34:47,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:34:47,742 INFO L413 NwaCegarLoop]: 5991 mSDtfsCounter, 3098 mSDsluCounter, 15181 mSDsCounter, 0 mSdLazyCounter, 2545 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3100 SdHoareTripleChecker+Valid, 21172 SdHoareTripleChecker+Invalid, 2555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2545 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:34:47,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3100 Valid, 21172 Invalid, 2555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2545 Invalid, 4 Unknown, 0 Unchecked, 10.6s Time] [2022-12-14 15:34:48,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425242 states. [2022-12-14 15:35:00,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425242 to 425024. [2022-12-14 15:35:00,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425024 states, 254328 states have (on average 1.2868933031361076) internal successors, (327293), 261780 states have internal predecessors, (327293), 134487 states have call successors, (134487), 36142 states have call predecessors, (134487), 36208 states have return successors, (135521), 132717 states have call predecessors, (135521), 134487 states have call successors, (135521) [2022-12-14 15:35:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425024 states to 425024 states and 597301 transitions. [2022-12-14 15:35:03,268 INFO L78 Accepts]: Start accepts. Automaton has 425024 states and 597301 transitions. Word has length 626 [2022-12-14 15:35:03,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:35:03,269 INFO L495 AbstractCegarLoop]: Abstraction has 425024 states and 597301 transitions. [2022-12-14 15:35:03,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 4 states have call predecessors, (70), 3 states have call successors, (70) [2022-12-14 15:35:03,269 INFO L276 IsEmpty]: Start isEmpty. Operand 425024 states and 597301 transitions. [2022-12-14 15:35:03,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2022-12-14 15:35:03,331 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:35:03,331 INFO L195 NwaCegarLoop]: trace histogram [51, 44, 44, 44, 44, 44, 44, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:35:03,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 15:35:03,331 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:35:03,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:35:03,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1031530354, now seen corresponding path program 1 times [2022-12-14 15:35:03,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:35:03,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288319830] [2022-12-14 15:35:03,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:35:03,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:35:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:35:03,736 INFO L134 CoverageAnalysis]: Checked inductivity of 8312 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8294 trivial. 0 not checked. [2022-12-14 15:35:03,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:35:03,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288319830] [2022-12-14 15:35:03,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288319830] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:35:03,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:35:03,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:35:03,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021269817] [2022-12-14 15:35:03,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:35:03,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:35:03,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:35:03,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:35:03,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:35:03,738 INFO L87 Difference]: Start difference. First operand 425024 states and 597301 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 4 states have call predecessors, (70), 3 states have call successors, (70) [2022-12-14 15:35:06,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:35:08,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:35:10,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:35:12,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:35:17,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:35:19,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:35:21,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:35:34,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:35:34,030 INFO L93 Difference]: Finished difference Result 920508 states and 1292903 transitions. [2022-12-14 15:35:34,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:35:34,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 4 states have call predecessors, (70), 3 states have call successors, (70) Word has length 627 [2022-12-14 15:35:34,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:35:36,475 INFO L225 Difference]: With dead ends: 920508 [2022-12-14 15:35:36,475 INFO L226 Difference]: Without dead ends: 495713 [2022-12-14 15:35:37,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:35:37,784 INFO L413 NwaCegarLoop]: 6003 mSDtfsCounter, 3029 mSDsluCounter, 15310 mSDsCounter, 0 mSdLazyCounter, 2555 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3031 SdHoareTripleChecker+Valid, 21313 SdHoareTripleChecker+Invalid, 2568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2555 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:35:37,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3031 Valid, 21313 Invalid, 2568 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 2555 Invalid, 6 Unknown, 0 Unchecked, 15.6s Time] [2022-12-14 15:35:38,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495713 states. [2022-12-14 15:35:53,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495713 to 495495. [2022-12-14 15:35:53,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495495 states, 296313 states have (on average 1.285768764785885) internal successors, (380990), 305071 states have internal predecessors, (380990), 156549 states have call successors, (156549), 42528 states have call predecessors, (156549), 42632 states have return successors, (157765), 154449 states have call predecessors, (157765), 156549 states have call successors, (157765) [2022-12-14 15:35:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495495 states to 495495 states and 695304 transitions. [2022-12-14 15:35:55,820 INFO L78 Accepts]: Start accepts. Automaton has 495495 states and 695304 transitions. Word has length 627 [2022-12-14 15:35:55,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:35:55,821 INFO L495 AbstractCegarLoop]: Abstraction has 495495 states and 695304 transitions. [2022-12-14 15:35:55,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 4 states have call predecessors, (70), 3 states have call successors, (70) [2022-12-14 15:35:55,821 INFO L276 IsEmpty]: Start isEmpty. Operand 495495 states and 695304 transitions. [2022-12-14 15:35:55,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629 [2022-12-14 15:35:55,895 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:35:55,895 INFO L195 NwaCegarLoop]: trace histogram [51, 44, 44, 44, 44, 44, 44, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:35:55,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 15:35:55,895 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:35:55,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:35:55,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1308573898, now seen corresponding path program 1 times [2022-12-14 15:35:55,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:35:55,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091736593] [2022-12-14 15:35:55,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:35:55,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:35:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:35:56,401 INFO L134 CoverageAnalysis]: Checked inductivity of 8312 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8294 trivial. 0 not checked. [2022-12-14 15:35:56,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:35:56,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091736593] [2022-12-14 15:35:56,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091736593] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:35:56,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:35:56,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:35:56,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803165210] [2022-12-14 15:35:56,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:35:56,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:35:56,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:35:56,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:35:56,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:35:56,403 INFO L87 Difference]: Start difference. First operand 495495 states and 695304 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 3 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (70), 4 states have call predecessors, (70), 3 states have call successors, (70)