./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.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_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/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_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/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_f7eb1e50-5807-4c66-aaf9-67576936b910/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 a3ff87c3e5fb8bea0460b71e9b9f7b5386599503dd506c0803db0e63f978b184 --- 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 14:51:41,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:51:41,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:51:41,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:51:41,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:51:41,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:51:41,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:51:41,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:51:41,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:51:41,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:51:41,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:51:41,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:51:41,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:51:41,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:51:41,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:51:41,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:51:41,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:51:41,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:51:41,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:51:41,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:51:41,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:51:41,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:51:41,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:51:41,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:51:41,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:51:41,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:51:41,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:51:41,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:51:41,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:51:41,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:51:41,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:51:41,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:51:41,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:51:41,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:51:41,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:51:41,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:51:41,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:51:41,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:51:41,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:51:41,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:51:41,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:51:41,703 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 14:51:41,724 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:51:41,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:51:41,724 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:51:41,724 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:51:41,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:51:41,725 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:51:41,726 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:51:41,726 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:51:41,726 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:51:41,726 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:51:41,726 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:51:41,727 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:51:41,727 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:51:41,727 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:51:41,727 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:51:41,727 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:51:41,728 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:51:41,728 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:51:41,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:51:41,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:51:41,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:51:41,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:51:41,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:51:41,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:51:41,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:51:41,729 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:51:41,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:51:41,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:51:41,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:51:41,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:51:41,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:51:41,730 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:51:41,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:51:41,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:51:41,731 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:51:41,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:51:41,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:51:41,731 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:51:41,731 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_f7eb1e50-5807-4c66-aaf9-67576936b910/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3ff87c3e5fb8bea0460b71e9b9f7b5386599503dd506c0803db0e63f978b184 [2022-12-14 14:51:41,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:51:41,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:51:41,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:51:41,918 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:51:41,918 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:51:41,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2022-12-14 14:51:44,498 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:51:44,899 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:51:44,899 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2022-12-14 14:51:44,926 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/data/2aedbd7fb/e6a4007b593240f28e8221fe5c220b92/FLAGb420cd386 [2022-12-14 14:51:45,073 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/data/2aedbd7fb/e6a4007b593240f28e8221fe5c220b92 [2022-12-14 14:51:45,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:51:45,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:51:45,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:51:45,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:51:45,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:51:45,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:51:45" (1/1) ... [2022-12-14 14:51:45,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2945ee1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:51:45, skipping insertion in model container [2022-12-14 14:51:45,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:51:45" (1/1) ... [2022-12-14 14:51:45,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:51:45,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:51:45,787 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 14:51:45,833 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:45,863 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:51:45,872 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-14 14:51:45,879 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-14 14:51:45,927 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:45,935 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:46,013 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 14:51:46,019 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 14:51:46,026 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 14:51:46,032 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 14:51:46,038 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 14:51:46,082 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 14:51:46,088 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 14:51:46,098 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:51:46,099 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 14:51:46,100 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:51:46,106 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:51:46,106 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 14:51:46,107 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:51:46,257 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:46,455 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 14:51:46,456 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-12-14 14:51:46,457 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:51:46,457 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:51:46,480 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:51:46,574 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-12-14 14:51:46,618 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:51:46,623 WARN L623 FunctionHandler]: Unknown extern function ___pskb_trim [2022-12-14 14:51:46,635 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 14:51:46,647 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-12-14 14:51:46,699 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:46,700 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:46,701 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:46,702 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:46,702 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:51:46,707 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:46,708 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:46,709 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:46,711 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:46,711 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:51:46,803 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:51:46,889 WARN L623 FunctionHandler]: Unknown extern function fc_frame_alloc_fill [2022-12-14 14:51:46,889 WARN L623 FunctionHandler]: Unknown extern function _fc_frame_alloc [2022-12-14 14:51:46,901 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:51:46,922 WARN L623 FunctionHandler]: Unknown extern function __alloc_percpu [2022-12-14 14:51:46,928 WARN L623 FunctionHandler]: Unknown extern function free_percpu [2022-12-14 14:51:47,388 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,390 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,391 WARN L623 FunctionHandler]: Unknown extern function vlan_dev_real_dev [2022-12-14 14:51:47,392 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:51:47,393 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:51:47,395 WARN L623 FunctionHandler]: Unknown extern function dev_uc_add [2022-12-14 14:51:47,396 WARN L623 FunctionHandler]: Unknown extern function dev_uc_add [2022-12-14 14:51:47,397 WARN L623 FunctionHandler]: Unknown extern function dev_mc_add [2022-12-14 14:51:47,397 WARN L623 FunctionHandler]: Unknown extern function dev_mc_add [2022-12-14 14:51:47,398 WARN L623 FunctionHandler]: Unknown extern function dev_mc_add [2022-12-14 14:51:47,398 WARN L623 FunctionHandler]: Unknown extern function dev_add_pack [2022-12-14 14:51:47,399 WARN L623 FunctionHandler]: Unknown extern function dev_add_pack [2022-12-14 14:51:47,404 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,404 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_device_add [2022-12-14 14:51:47,405 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,406 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_init [2022-12-14 14:51:47,406 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_destroy [2022-12-14 14:51:47,406 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_device_delete [2022-12-14 14:51:47,411 WARN L623 FunctionHandler]: Unknown extern function __dev_remove_pack [2022-12-14 14:51:47,412 WARN L623 FunctionHandler]: Unknown extern function __dev_remove_pack [2022-12-14 14:51:47,412 WARN L623 FunctionHandler]: Unknown extern function synchronize_net [2022-12-14 14:51:47,412 WARN L623 FunctionHandler]: Unknown extern function dev_uc_del [2022-12-14 14:51:47,413 WARN L623 FunctionHandler]: Unknown extern function dev_uc_del [2022-12-14 14:51:47,413 WARN L623 FunctionHandler]: Unknown extern function dev_mc_del [2022-12-14 14:51:47,414 WARN L623 FunctionHandler]: Unknown extern function dev_mc_del [2022-12-14 14:51:47,414 WARN L623 FunctionHandler]: Unknown extern function dev_mc_del [2022-12-14 14:51:47,415 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,420 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:51:47,420 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:47,421 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_destroy [2022-12-14 14:51:47,421 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-12-14 14:51:47,422 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_recv [2022-12-14 14:51:47,426 WARN L623 FunctionHandler]: Unknown extern function fcoe_check_wait_queue [2022-12-14 14:51:47,426 WARN L623 FunctionHandler]: Unknown extern function fcoe_start_io [2022-12-14 14:51:47,427 WARN L623 FunctionHandler]: Unknown extern function fcoe_check_wait_queue [2022-12-14 14:51:47,428 WARN L623 FunctionHandler]: Unknown extern function dev_uc_del [2022-12-14 14:51:47,428 WARN L623 FunctionHandler]: Unknown extern function dev_uc_add [2022-12-14 14:51:47,434 WARN L623 FunctionHandler]: Unknown extern function fc_lport_config [2022-12-14 14:51:47,438 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:47,439 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,440 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,441 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,441 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:47,446 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,447 WARN L623 FunctionHandler]: Unknown extern function fc_set_mfs [2022-12-14 14:51:47,447 WARN L623 FunctionHandler]: Unknown extern function fcoe_link_speed_update [2022-12-14 14:51:47,448 WARN L623 FunctionHandler]: Unknown extern function fcoe_get_wwn [2022-12-14 14:51:47,448 WARN L623 FunctionHandler]: Unknown extern function fcoe_wwn_from_mac [2022-12-14 14:51:47,448 WARN L623 FunctionHandler]: Unknown extern function fcoe_get_wwn [2022-12-14 14:51:47,448 WARN L623 FunctionHandler]: Unknown extern function fcoe_wwn_from_mac [2022-12-14 14:51:47,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,471 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,474 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:51:47,474 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,485 WARN L623 FunctionHandler]: Unknown extern function vlan_dev_real_dev [2022-12-14 14:51:47,486 WARN L623 FunctionHandler]: Unknown extern function vlan_dev_real_dev [2022-12-14 14:51:47,487 WARN L623 FunctionHandler]: Unknown extern function fc_exch_mgr_add [2022-12-14 14:51:47,488 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,488 WARN L623 FunctionHandler]: Unknown extern function fc_exch_mgr_alloc [2022-12-14 14:51:47,489 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,489 WARN L623 FunctionHandler]: Unknown extern function fc_exch_mgr_alloc [2022-12-14 14:51:47,490 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,496 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,496 WARN L623 FunctionHandler]: Unknown extern function fc_fabric_logoff [2022-12-14 14:51:47,496 WARN L623 FunctionHandler]: Unknown extern function fc_lport_destroy [2022-12-14 14:51:47,497 WARN L623 FunctionHandler]: Unknown extern function fcoe_clean_pending_queue [2022-12-14 14:51:47,497 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:51:47,497 WARN L623 FunctionHandler]: Unknown extern function dev_uc_del [2022-12-14 14:51:47,498 WARN L623 FunctionHandler]: Unknown extern function synchronize_net [2022-12-14 14:51:47,498 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:47,498 WARN L623 FunctionHandler]: Unknown extern function fc_remove_host [2022-12-14 14:51:47,498 WARN L623 FunctionHandler]: Unknown extern function fc_fcp_destroy [2022-12-14 14:51:47,499 WARN L623 FunctionHandler]: Unknown extern function fc_exch_mgr_free [2022-12-14 14:51:47,499 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-12-14 14:51:47,509 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,510 WARN L623 FunctionHandler]: Unknown extern function libfc_vport_create [2022-12-14 14:51:47,510 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,511 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 14:51:47,511 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 14:51:47,512 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,513 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,514 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,515 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,515 WARN L623 FunctionHandler]: Unknown extern function fcoe_libfc_config [2022-12-14 14:51:47,516 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,516 WARN L623 FunctionHandler]: Unknown extern function fc_exch_mgr_list_clone [2022-12-14 14:51:47,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,517 WARN L623 FunctionHandler]: Unknown extern function fc_exch_mgr_free [2022-12-14 14:51:47,517 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-12-14 14:51:47,523 WARN L623 FunctionHandler]: Unknown extern function fc_attach_transport [2022-12-14 14:51:47,524 WARN L623 FunctionHandler]: Unknown extern function fc_attach_transport [2022-12-14 14:51:47,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,530 WARN L623 FunctionHandler]: Unknown extern function fc_release_transport [2022-12-14 14:51:47,530 WARN L623 FunctionHandler]: Unknown extern function fc_release_transport [2022-12-14 14:51:47,537 WARN L623 FunctionHandler]: Unknown extern function __cpu_to_node [2022-12-14 14:51:47,537 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 14:51:47,537 WARN L623 FunctionHandler]: Unknown extern function kthread_bind [2022-12-14 14:51:47,538 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 14:51:47,543 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,543 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,543 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,544 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,544 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:51:47,544 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,546 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,546 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:51:47,547 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:51:47,547 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 14:51:47,547 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:51:47,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,549 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,556 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,557 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,558 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,560 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,561 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 14:51:47,562 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,562 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,562 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,563 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,563 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:51:47,563 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:51:47,568 WARN L623 FunctionHandler]: Unknown extern function fcoe_get_paged_crc_eof [2022-12-14 14:51:47,569 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:51:47,570 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:51:47,570 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_els_send [2022-12-14 14:51:47,571 WARN L623 FunctionHandler]: Unknown extern function fcoe_fc_crc [2022-12-14 14:51:47,572 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:51:47,572 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 14:51:47,573 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 14:51:47,574 WARN L623 FunctionHandler]: Unknown extern function vlan_dev_vlan_id [2022-12-14 14:51:47,576 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,576 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,576 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,577 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,577 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:51:47,582 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 14:51:47,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,589 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 14:51:47,590 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,590 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,590 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,591 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,591 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:51:47,591 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,593 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,593 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:51:47,593 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,595 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,595 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,596 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,596 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,596 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:51:47,597 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,597 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 14:51:47,598 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-14 14:51:47,599 WARN L623 FunctionHandler]: Unknown extern function fc_exch_recv [2022-12-14 14:51:47,599 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:51:47,600 WARN L623 FunctionHandler]: Unknown extern function set_user_nice [2022-12-14 14:51:47,600 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:51:47,601 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:51:47,601 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 14:51:47,601 WARN L623 FunctionHandler]: Unknown extern function register_dcbevent_notifier [2022-12-14 14:51:47,602 WARN L623 FunctionHandler]: Unknown extern function register_netdevice_notifier [2022-12-14 14:51:47,602 WARN L623 FunctionHandler]: Unknown extern function unregister_dcbevent_notifier [2022-12-14 14:51:47,602 WARN L623 FunctionHandler]: Unknown extern function unregister_netdevice_notifier [2022-12-14 14:51:47,607 WARN L623 FunctionHandler]: Unknown extern function vlan_dev_real_dev [2022-12-14 14:51:47,608 WARN L623 FunctionHandler]: Unknown extern function dev_get_by_index [2022-12-14 14:51:47,611 WARN L623 FunctionHandler]: Unknown extern function fc_set_mfs [2022-12-14 14:51:47,611 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:51:47,612 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,612 WARN L623 FunctionHandler]: Unknown extern function fcoe_link_speed_update [2022-12-14 14:51:47,612 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,613 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_link_up [2022-12-14 14:51:47,613 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_link_down [2022-12-14 14:51:47,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,614 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,614 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,615 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,615 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,615 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:51:47,616 WARN L623 FunctionHandler]: Unknown extern function fcoe_clean_pending_queue [2022-12-14 14:51:47,616 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:47,616 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:51:47,617 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:47,617 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_link_down [2022-12-14 14:51:47,617 WARN L623 FunctionHandler]: Unknown extern function fcoe_clean_pending_queue [2022-12-14 14:51:47,617 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:47,618 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:47,618 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:51:47,618 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:47,618 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_link_up [2022-12-14 14:51:47,619 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:47,620 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:47,620 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:51:47,621 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:51:47,621 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:47,621 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:47,622 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:51:47,623 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:47,623 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:47,623 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_device_delete [2022-12-14 14:51:47,628 WARN L623 FunctionHandler]: Unknown extern function dcb_ieee_getapp_mask [2022-12-14 14:51:47,629 WARN L623 FunctionHandler]: Unknown extern function dcb_ieee_getapp_mask [2022-12-14 14:51:47,629 WARN L623 FunctionHandler]: Unknown extern function dcb_getapp [2022-12-14 14:51:47,629 WARN L623 FunctionHandler]: Unknown extern function dcb_getapp [2022-12-14 14:51:47,634 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:47,635 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:51:47,635 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,636 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:47,636 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:47,636 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_device_delete [2022-12-14 14:51:47,636 WARN L623 FunctionHandler]: Unknown extern function fc_fabric_login [2022-12-14 14:51:47,637 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:47,637 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_link_up [2022-12-14 14:51:47,637 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:47,637 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:47,637 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:47,639 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 14:51:47,639 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 14:51:47,640 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_link_down [2022-12-14 14:51:47,640 WARN L623 FunctionHandler]: Unknown extern function fcoe_clean_pending_queue [2022-12-14 14:51:47,640 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_link_up [2022-12-14 14:51:47,642 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:51:47,647 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 14:51:47,648 WARN L623 FunctionHandler]: Unknown extern function fcoe_transport_attach [2022-12-14 14:51:47,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,648 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:47,649 WARN L623 FunctionHandler]: Unknown extern function cpu_maps_update_begin [2022-12-14 14:51:47,649 WARN L623 FunctionHandler]: Unknown extern function __register_cpu_notifier [2022-12-14 14:51:47,649 WARN L623 FunctionHandler]: Unknown extern function cpu_maps_update_done [2022-12-14 14:51:47,649 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:47,650 WARN L623 FunctionHandler]: Unknown extern function cpu_maps_update_done [2022-12-14 14:51:47,650 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:47,654 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:47,654 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:51:47,655 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:47,655 WARN L623 FunctionHandler]: Unknown extern function cpu_maps_update_begin [2022-12-14 14:51:47,656 WARN L623 FunctionHandler]: Unknown extern function __unregister_cpu_notifier [2022-12-14 14:51:47,656 WARN L623 FunctionHandler]: Unknown extern function cpu_maps_update_done [2022-12-14 14:51:47,656 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:47,656 WARN L623 FunctionHandler]: Unknown extern function fcoe_transport_detach [2022-12-14 14:51:47,661 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_recv_flogi [2022-12-14 14:51:47,661 WARN L623 FunctionHandler]: Unknown extern function fc_lport_flogi_resp [2022-12-14 14:51:47,667 WARN L623 FunctionHandler]: Unknown extern function fc_lport_logo_resp [2022-12-14 14:51:47,668 WARN L623 FunctionHandler]: Unknown extern function fc_elsct_send [2022-12-14 14:51:47,668 WARN L623 FunctionHandler]: Unknown extern function fc_elsct_send [2022-12-14 14:51:47,668 WARN L623 FunctionHandler]: Unknown extern function fc_elsct_send [2022-12-14 14:51:47,669 WARN L623 FunctionHandler]: Unknown extern function fcoe_validate_vport_create [2022-12-14 14:51:47,669 WARN L623 FunctionHandler]: Unknown extern function fcoe_wwn_to_str [2022-12-14 14:51:47,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,670 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:47,670 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:51:47,670 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:47,670 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:47,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,671 WARN L623 FunctionHandler]: Unknown extern function fc_fabric_login [2022-12-14 14:51:47,671 WARN L623 FunctionHandler]: Unknown extern function fc_vport_setlink [2022-12-14 14:51:47,671 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:47,671 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:51:47,671 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:47,672 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:47,672 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:47,672 WARN L623 FunctionHandler]: Unknown extern function fc_fabric_logoff [2022-12-14 14:51:47,672 WARN L623 FunctionHandler]: Unknown extern function fc_fabric_login [2022-12-14 14:51:47,672 WARN L623 FunctionHandler]: Unknown extern function fc_vport_setlink [2022-12-14 14:51:47,673 WARN L623 FunctionHandler]: Unknown extern function strnlen [2022-12-14 14:51:47,675 WARN L623 FunctionHandler]: Unknown extern function vlan_dev_vlan_id [2022-12-14 14:51:47,675 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_recv_flogi [2022-12-14 14:51:47,684 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,685 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,690 WARN L623 FunctionHandler]: Unknown extern function fcoe_queue_timer [2022-12-14 14:51:47,695 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 14:51:47,696 WARN L623 FunctionHandler]: Unknown extern function fc_get_host_speed [2022-12-14 14:51:47,697 WARN L623 FunctionHandler]: Unknown extern function fc_set_rport_loss_tmo [2022-12-14 14:51:47,697 WARN L623 FunctionHandler]: Unknown extern function fc_lport_bsg_request [2022-12-14 14:51:47,697 WARN L623 FunctionHandler]: Unknown extern function fc_get_host_stats [2022-12-14 14:51:47,698 WARN L623 FunctionHandler]: Unknown extern function fc_rport_terminate_io [2022-12-14 14:51:47,698 WARN L623 FunctionHandler]: Unknown extern function fc_get_host_port_state [2022-12-14 14:51:47,699 WARN L623 FunctionHandler]: Unknown extern function fcoe_get_lesb [2022-12-14 14:51:47,700 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_get_lesb [2022-12-14 14:51:47,700 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_get_lesb [2022-12-14 14:51:47,701 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_set_fip_mode [2022-12-14 14:51:47,701 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_get_lesb [2022-12-14 14:51:47,701 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_get_lesb [2022-12-14 14:51:47,701 WARN L623 FunctionHandler]: Unknown extern function fcoe_fcf_get_selected [2022-12-14 14:51:47,701 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_get_lesb [2022-12-14 14:51:47,702 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_get_lesb [2022-12-14 14:51:47,702 WARN L623 FunctionHandler]: Unknown extern function scsi_change_queue_depth [2022-12-14 14:51:47,702 WARN L623 FunctionHandler]: Unknown extern function fc_queuecommand [2022-12-14 14:51:47,703 WARN L623 FunctionHandler]: Unknown extern function fc_eh_device_reset [2022-12-14 14:51:47,703 WARN L623 FunctionHandler]: Unknown extern function fc_eh_abort [2022-12-14 14:51:47,703 WARN L623 FunctionHandler]: Unknown extern function fc_slave_alloc [2022-12-14 14:51:47,703 WARN L623 FunctionHandler]: Unknown extern function fc_eh_host_reset [2022-12-14 14:51:47,704 WARN L623 FunctionHandler]: Unknown extern function fc_get_host_speed [2022-12-14 14:51:47,704 WARN L623 FunctionHandler]: Unknown extern function fc_set_rport_loss_tmo [2022-12-14 14:51:47,705 WARN L623 FunctionHandler]: Unknown extern function fc_lport_bsg_request [2022-12-14 14:51:47,705 WARN L623 FunctionHandler]: Unknown extern function fc_get_host_stats [2022-12-14 14:51:47,705 WARN L623 FunctionHandler]: Unknown extern function fc_rport_terminate_io [2022-12-14 14:51:47,705 WARN L623 FunctionHandler]: Unknown extern function fc_get_host_port_state [2022-12-14 14:51:47,706 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:51:47,707 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:51:47,707 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:51:47,707 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 14:51:47,708 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:51:47,708 WARN L623 FunctionHandler]: Unknown extern function scsi_add_host_with_dma [2022-12-14 14:51:47,708 WARN L623 FunctionHandler]: Unknown extern function scsi_host_alloc [2022-12-14 14:51:47,709 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 14:51:47,709 WARN L623 FunctionHandler]: Unknown extern function scsi_remove_host [2022-12-14 14:51:47,709 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 14:51:47,709 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 14:51:47,710 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 14:51:47,714 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i[413960,413973] [2022-12-14 14:51:47,735 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,735 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,735 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,736 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,736 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,737 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,746 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,746 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,747 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,747 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,747 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,748 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,748 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,749 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,751 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,755 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,756 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,757 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,757 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,757 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,758 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:51:47,800 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:51:47,881 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 14:51:47,882 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,883 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:51:47,883 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-14 14:51:47,884 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-14 14:51:47,885 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,885 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,897 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 14:51:47,898 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 14:51:47,898 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 14:51:47,898 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 14:51:47,898 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 14:51:47,899 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 14:51:47,899 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 14:51:47,899 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:51:47,899 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 14:51:47,900 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:51:47,900 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:51:47,900 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 14:51:47,901 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:51:47,901 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:47,905 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 14:51:47,906 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-12-14 14:51:47,906 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:51:47,906 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:51:47,908 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:51:47,914 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-12-14 14:51:47,916 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:51:47,916 WARN L623 FunctionHandler]: Unknown extern function ___pskb_trim [2022-12-14 14:51:47,917 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 14:51:47,917 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-12-14 14:51:47,919 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,920 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,920 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,921 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,921 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:51:47,922 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,922 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,923 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,923 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:47,923 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:51:47,926 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:51:47,932 WARN L623 FunctionHandler]: Unknown extern function fc_frame_alloc_fill [2022-12-14 14:51:47,932 WARN L623 FunctionHandler]: Unknown extern function _fc_frame_alloc [2022-12-14 14:51:47,932 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:51:47,933 WARN L623 FunctionHandler]: Unknown extern function __alloc_percpu [2022-12-14 14:51:47,934 WARN L623 FunctionHandler]: Unknown extern function free_percpu [2022-12-14 14:51:47,943 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,943 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,944 WARN L623 FunctionHandler]: Unknown extern function vlan_dev_real_dev [2022-12-14 14:51:47,944 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:51:47,945 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:51:47,946 WARN L623 FunctionHandler]: Unknown extern function dev_uc_add [2022-12-14 14:51:47,946 WARN L623 FunctionHandler]: Unknown extern function dev_uc_add [2022-12-14 14:51:47,946 WARN L623 FunctionHandler]: Unknown extern function dev_mc_add [2022-12-14 14:51:47,947 WARN L623 FunctionHandler]: Unknown extern function dev_mc_add [2022-12-14 14:51:47,947 WARN L623 FunctionHandler]: Unknown extern function dev_mc_add [2022-12-14 14:51:47,949 WARN L623 FunctionHandler]: Unknown extern function dev_add_pack [2022-12-14 14:51:47,952 WARN L623 FunctionHandler]: Unknown extern function dev_add_pack [2022-12-14 14:51:47,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,953 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_device_add [2022-12-14 14:51:47,954 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,954 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_init [2022-12-14 14:51:47,957 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_destroy [2022-12-14 14:51:47,957 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_device_delete [2022-12-14 14:51:47,958 WARN L623 FunctionHandler]: Unknown extern function __dev_remove_pack [2022-12-14 14:51:47,958 WARN L623 FunctionHandler]: Unknown extern function __dev_remove_pack [2022-12-14 14:51:47,959 WARN L623 FunctionHandler]: Unknown extern function synchronize_net [2022-12-14 14:51:47,959 WARN L623 FunctionHandler]: Unknown extern function dev_uc_del [2022-12-14 14:51:47,959 WARN L623 FunctionHandler]: Unknown extern function dev_uc_del [2022-12-14 14:51:47,960 WARN L623 FunctionHandler]: Unknown extern function dev_mc_del [2022-12-14 14:51:47,960 WARN L623 FunctionHandler]: Unknown extern function dev_mc_del [2022-12-14 14:51:47,960 WARN L623 FunctionHandler]: Unknown extern function dev_mc_del [2022-12-14 14:51:47,971 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,972 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:51:47,972 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:47,972 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_destroy [2022-12-14 14:51:47,973 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-12-14 14:51:47,973 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_recv [2022-12-14 14:51:47,974 WARN L623 FunctionHandler]: Unknown extern function fcoe_check_wait_queue [2022-12-14 14:51:47,974 WARN L623 FunctionHandler]: Unknown extern function fcoe_start_io [2022-12-14 14:51:47,974 WARN L623 FunctionHandler]: Unknown extern function fcoe_check_wait_queue [2022-12-14 14:51:47,978 WARN L623 FunctionHandler]: Unknown extern function dev_uc_del [2022-12-14 14:51:47,979 WARN L623 FunctionHandler]: Unknown extern function dev_uc_add [2022-12-14 14:51:47,979 WARN L623 FunctionHandler]: Unknown extern function fc_lport_config [2022-12-14 14:51:47,980 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:47,981 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,981 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,982 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,982 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:47,983 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:47,984 WARN L623 FunctionHandler]: Unknown extern function fc_set_mfs [2022-12-14 14:51:47,984 WARN L623 FunctionHandler]: Unknown extern function fcoe_link_speed_update [2022-12-14 14:51:47,984 WARN L623 FunctionHandler]: Unknown extern function fcoe_get_wwn [2022-12-14 14:51:47,984 WARN L623 FunctionHandler]: Unknown extern function fcoe_wwn_from_mac [2022-12-14 14:51:47,985 WARN L623 FunctionHandler]: Unknown extern function fcoe_get_wwn [2022-12-14 14:51:47,985 WARN L623 FunctionHandler]: Unknown extern function fcoe_wwn_from_mac [2022-12-14 14:51:47,994 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,000 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,002 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:51:48,002 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,009 WARN L623 FunctionHandler]: Unknown extern function vlan_dev_real_dev [2022-12-14 14:51:48,010 WARN L623 FunctionHandler]: Unknown extern function vlan_dev_real_dev [2022-12-14 14:51:48,011 WARN L623 FunctionHandler]: Unknown extern function fc_exch_mgr_add [2022-12-14 14:51:48,011 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,011 WARN L623 FunctionHandler]: Unknown extern function fc_exch_mgr_alloc [2022-12-14 14:51:48,012 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,012 WARN L623 FunctionHandler]: Unknown extern function fc_exch_mgr_alloc [2022-12-14 14:51:48,013 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,014 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,014 WARN L623 FunctionHandler]: Unknown extern function fc_fabric_logoff [2022-12-14 14:51:48,014 WARN L623 FunctionHandler]: Unknown extern function fc_lport_destroy [2022-12-14 14:51:48,014 WARN L623 FunctionHandler]: Unknown extern function fcoe_clean_pending_queue [2022-12-14 14:51:48,014 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:51:48,015 WARN L623 FunctionHandler]: Unknown extern function dev_uc_del [2022-12-14 14:51:48,015 WARN L623 FunctionHandler]: Unknown extern function synchronize_net [2022-12-14 14:51:48,015 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:48,015 WARN L623 FunctionHandler]: Unknown extern function fc_remove_host [2022-12-14 14:51:48,016 WARN L623 FunctionHandler]: Unknown extern function fc_fcp_destroy [2022-12-14 14:51:48,016 WARN L623 FunctionHandler]: Unknown extern function fc_exch_mgr_free [2022-12-14 14:51:48,016 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-12-14 14:51:48,029 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,029 WARN L623 FunctionHandler]: Unknown extern function libfc_vport_create [2022-12-14 14:51:48,030 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,030 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 14:51:48,031 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 14:51:48,031 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,033 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,033 WARN L623 FunctionHandler]: Unknown extern function fcoe_libfc_config [2022-12-14 14:51:48,034 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,034 WARN L623 FunctionHandler]: Unknown extern function fc_exch_mgr_list_clone [2022-12-14 14:51:48,034 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,035 WARN L623 FunctionHandler]: Unknown extern function fc_exch_mgr_free [2022-12-14 14:51:48,035 WARN L623 FunctionHandler]: Unknown extern function scsi_host_put [2022-12-14 14:51:48,035 WARN L623 FunctionHandler]: Unknown extern function fc_attach_transport [2022-12-14 14:51:48,036 WARN L623 FunctionHandler]: Unknown extern function fc_attach_transport [2022-12-14 14:51:48,036 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,036 WARN L623 FunctionHandler]: Unknown extern function fc_release_transport [2022-12-14 14:51:48,036 WARN L623 FunctionHandler]: Unknown extern function fc_release_transport [2022-12-14 14:51:48,037 WARN L623 FunctionHandler]: Unknown extern function __cpu_to_node [2022-12-14 14:51:48,037 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 14:51:48,038 WARN L623 FunctionHandler]: Unknown extern function kthread_bind [2022-12-14 14:51:48,038 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 14:51:48,039 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,039 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,040 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,040 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,040 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:51:48,040 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,041 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,042 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:51:48,042 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:51:48,042 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 14:51:48,043 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:51:48,043 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,044 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,045 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,047 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,048 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,052 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,052 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 14:51:48,053 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,053 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,053 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,054 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,054 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:51:48,054 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:51:48,055 WARN L623 FunctionHandler]: Unknown extern function fcoe_get_paged_crc_eof [2022-12-14 14:51:48,056 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:51:48,056 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:51:48,056 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_els_send [2022-12-14 14:51:48,057 WARN L623 FunctionHandler]: Unknown extern function fcoe_fc_crc [2022-12-14 14:51:48,058 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:51:48,058 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 14:51:48,058 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 14:51:48,061 WARN L623 FunctionHandler]: Unknown extern function vlan_dev_vlan_id [2022-12-14 14:51:48,065 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,065 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,065 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,066 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,066 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:51:48,074 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 14:51:48,076 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,077 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 14:51:48,077 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,078 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,078 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,078 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,078 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:51:48,078 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,082 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,083 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:51:48,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,084 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,084 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,084 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,085 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,085 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:51:48,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,086 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 14:51:48,089 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-14 14:51:48,089 WARN L623 FunctionHandler]: Unknown extern function fc_exch_recv [2022-12-14 14:51:48,089 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:51:48,090 WARN L623 FunctionHandler]: Unknown extern function set_user_nice [2022-12-14 14:51:48,091 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:51:48,091 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:51:48,091 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 14:51:48,091 WARN L623 FunctionHandler]: Unknown extern function register_dcbevent_notifier [2022-12-14 14:51:48,092 WARN L623 FunctionHandler]: Unknown extern function register_netdevice_notifier [2022-12-14 14:51:48,092 WARN L623 FunctionHandler]: Unknown extern function unregister_dcbevent_notifier [2022-12-14 14:51:48,092 WARN L623 FunctionHandler]: Unknown extern function unregister_netdevice_notifier [2022-12-14 14:51:48,092 WARN L623 FunctionHandler]: Unknown extern function vlan_dev_real_dev [2022-12-14 14:51:48,093 WARN L623 FunctionHandler]: Unknown extern function dev_get_by_index [2022-12-14 14:51:48,095 WARN L623 FunctionHandler]: Unknown extern function fc_set_mfs [2022-12-14 14:51:48,096 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:51:48,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,096 WARN L623 FunctionHandler]: Unknown extern function fcoe_link_speed_update [2022-12-14 14:51:48,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,097 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_link_up [2022-12-14 14:51:48,097 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_link_down [2022-12-14 14:51:48,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,098 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,098 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,098 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,099 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:51:48,099 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:51:48,099 WARN L623 FunctionHandler]: Unknown extern function fcoe_clean_pending_queue [2022-12-14 14:51:48,100 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:48,100 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:51:48,100 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:48,100 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_link_down [2022-12-14 14:51:48,100 WARN L623 FunctionHandler]: Unknown extern function fcoe_clean_pending_queue [2022-12-14 14:51:48,101 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:48,101 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:48,101 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:51:48,101 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:48,102 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_link_up [2022-12-14 14:51:48,102 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:48,103 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:48,103 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:51:48,103 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:51:48,103 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:48,103 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:48,104 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:51:48,105 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:48,106 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:48,106 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_device_delete [2022-12-14 14:51:48,109 WARN L623 FunctionHandler]: Unknown extern function dcb_ieee_getapp_mask [2022-12-14 14:51:48,109 WARN L623 FunctionHandler]: Unknown extern function dcb_ieee_getapp_mask [2022-12-14 14:51:48,109 WARN L623 FunctionHandler]: Unknown extern function dcb_getapp [2022-12-14 14:51:48,110 WARN L623 FunctionHandler]: Unknown extern function dcb_getapp [2022-12-14 14:51:48,111 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:48,111 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:51:48,111 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,112 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:48,112 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:48,112 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_device_delete [2022-12-14 14:51:48,112 WARN L623 FunctionHandler]: Unknown extern function fc_fabric_login [2022-12-14 14:51:48,112 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:48,112 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_link_up [2022-12-14 14:51:48,112 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:48,113 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:48,113 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:48,114 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 14:51:48,114 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 14:51:48,115 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_link_down [2022-12-14 14:51:48,115 WARN L623 FunctionHandler]: Unknown extern function fcoe_clean_pending_queue [2022-12-14 14:51:48,116 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_link_up [2022-12-14 14:51:48,117 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:51:48,118 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 14:51:48,118 WARN L623 FunctionHandler]: Unknown extern function fcoe_transport_attach [2022-12-14 14:51:48,118 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,118 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:48,119 WARN L623 FunctionHandler]: Unknown extern function cpu_maps_update_begin [2022-12-14 14:51:48,119 WARN L623 FunctionHandler]: Unknown extern function __register_cpu_notifier [2022-12-14 14:51:48,119 WARN L623 FunctionHandler]: Unknown extern function cpu_maps_update_done [2022-12-14 14:51:48,119 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:48,120 WARN L623 FunctionHandler]: Unknown extern function cpu_maps_update_done [2022-12-14 14:51:48,120 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:48,120 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:48,120 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:51:48,121 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:48,121 WARN L623 FunctionHandler]: Unknown extern function cpu_maps_update_begin [2022-12-14 14:51:48,121 WARN L623 FunctionHandler]: Unknown extern function __unregister_cpu_notifier [2022-12-14 14:51:48,121 WARN L623 FunctionHandler]: Unknown extern function cpu_maps_update_done [2022-12-14 14:51:48,122 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:48,122 WARN L623 FunctionHandler]: Unknown extern function fcoe_transport_detach [2022-12-14 14:51:48,125 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_recv_flogi [2022-12-14 14:51:48,125 WARN L623 FunctionHandler]: Unknown extern function fc_lport_flogi_resp [2022-12-14 14:51:48,126 WARN L623 FunctionHandler]: Unknown extern function fc_lport_logo_resp [2022-12-14 14:51:48,127 WARN L623 FunctionHandler]: Unknown extern function fc_elsct_send [2022-12-14 14:51:48,127 WARN L623 FunctionHandler]: Unknown extern function fc_elsct_send [2022-12-14 14:51:48,127 WARN L623 FunctionHandler]: Unknown extern function fc_elsct_send [2022-12-14 14:51:48,128 WARN L623 FunctionHandler]: Unknown extern function fcoe_validate_vport_create [2022-12-14 14:51:48,128 WARN L623 FunctionHandler]: Unknown extern function fcoe_wwn_to_str [2022-12-14 14:51:48,128 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,129 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:48,129 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:51:48,129 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:51:48,129 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:48,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:51:48,130 WARN L623 FunctionHandler]: Unknown extern function fc_fabric_login [2022-12-14 14:51:48,130 WARN L623 FunctionHandler]: Unknown extern function fc_vport_setlink [2022-12-14 14:51:48,130 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:48,130 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:51:48,130 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:48,130 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:51:48,131 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:51:48,131 WARN L623 FunctionHandler]: Unknown extern function fc_fabric_logoff [2022-12-14 14:51:48,131 WARN L623 FunctionHandler]: Unknown extern function fc_fabric_login [2022-12-14 14:51:48,131 WARN L623 FunctionHandler]: Unknown extern function fc_vport_setlink [2022-12-14 14:51:48,132 WARN L623 FunctionHandler]: Unknown extern function strnlen [2022-12-14 14:51:48,137 WARN L623 FunctionHandler]: Unknown extern function vlan_dev_vlan_id [2022-12-14 14:51:48,138 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_recv_flogi [2022-12-14 14:51:48,139 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,139 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,143 WARN L623 FunctionHandler]: Unknown extern function fcoe_queue_timer [2022-12-14 14:51:48,144 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 14:51:48,145 WARN L623 FunctionHandler]: Unknown extern function fc_get_host_speed [2022-12-14 14:51:48,146 WARN L623 FunctionHandler]: Unknown extern function fc_set_rport_loss_tmo [2022-12-14 14:51:48,146 WARN L623 FunctionHandler]: Unknown extern function fc_lport_bsg_request [2022-12-14 14:51:48,146 WARN L623 FunctionHandler]: Unknown extern function fc_get_host_stats [2022-12-14 14:51:48,147 WARN L623 FunctionHandler]: Unknown extern function fc_rport_terminate_io [2022-12-14 14:51:48,147 WARN L623 FunctionHandler]: Unknown extern function fc_get_host_port_state [2022-12-14 14:51:48,148 WARN L623 FunctionHandler]: Unknown extern function fcoe_get_lesb [2022-12-14 14:51:48,149 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_get_lesb [2022-12-14 14:51:48,149 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_get_lesb [2022-12-14 14:51:48,150 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_set_fip_mode [2022-12-14 14:51:48,150 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_get_lesb [2022-12-14 14:51:48,150 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_get_lesb [2022-12-14 14:51:48,150 WARN L623 FunctionHandler]: Unknown extern function fcoe_fcf_get_selected [2022-12-14 14:51:48,150 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_get_lesb [2022-12-14 14:51:48,150 WARN L623 FunctionHandler]: Unknown extern function fcoe_ctlr_get_lesb [2022-12-14 14:51:48,151 WARN L623 FunctionHandler]: Unknown extern function scsi_change_queue_depth [2022-12-14 14:51:48,151 WARN L623 FunctionHandler]: Unknown extern function fc_queuecommand [2022-12-14 14:51:48,151 WARN L623 FunctionHandler]: Unknown extern function fc_eh_device_reset [2022-12-14 14:51:48,152 WARN L623 FunctionHandler]: Unknown extern function fc_eh_abort [2022-12-14 14:51:48,152 WARN L623 FunctionHandler]: Unknown extern function fc_slave_alloc [2022-12-14 14:51:48,152 WARN L623 FunctionHandler]: Unknown extern function fc_eh_host_reset [2022-12-14 14:51:48,153 WARN L623 FunctionHandler]: Unknown extern function fc_get_host_speed [2022-12-14 14:51:48,153 WARN L623 FunctionHandler]: Unknown extern function fc_set_rport_loss_tmo [2022-12-14 14:51:48,154 WARN L623 FunctionHandler]: Unknown extern function fc_lport_bsg_request [2022-12-14 14:51:48,154 WARN L623 FunctionHandler]: Unknown extern function fc_get_host_stats [2022-12-14 14:51:48,154 WARN L623 FunctionHandler]: Unknown extern function fc_rport_terminate_io [2022-12-14 14:51:48,154 WARN L623 FunctionHandler]: Unknown extern function fc_get_host_port_state [2022-12-14 14:51:48,156 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:51:48,156 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:51:48,156 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:51:48,156 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 14:51:48,157 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:51:48,157 WARN L623 FunctionHandler]: Unknown extern function scsi_add_host_with_dma [2022-12-14 14:51:48,157 WARN L623 FunctionHandler]: Unknown extern function scsi_host_alloc [2022-12-14 14:51:48,158 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 14:51:48,158 WARN L623 FunctionHandler]: Unknown extern function scsi_remove_host [2022-12-14 14:51:48,158 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 14:51:48,159 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 14:51:48,159 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 14:51:48,159 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i[413960,413973] [2022-12-14 14:51:48,160 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,161 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,161 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,163 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,164 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,164 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,165 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,165 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,166 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,166 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,166 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,166 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,167 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,167 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,176 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,177 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,178 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,178 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,178 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,178 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,179 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:51:48,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:51:48,289 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:51:48,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:51:48 WrapperNode [2022-12-14 14:51:48,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:51:48,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:51:48,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:51:48,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:51:48,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:51:48" (1/1) ... [2022-12-14 14:51:48,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:51:48" (1/1) ... [2022-12-14 14:51:48,487 INFO L138 Inliner]: procedures = 420, calls = 2181, calls flagged for inlining = 207, calls inlined = 186, statements flattened = 6321 [2022-12-14 14:51:48,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:51:48,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:51:48,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:51:48,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:51:48,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:51:48" (1/1) ... [2022-12-14 14:51:48,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:51:48" (1/1) ... [2022-12-14 14:51:48,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:51:48" (1/1) ... [2022-12-14 14:51:48,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:51:48" (1/1) ... [2022-12-14 14:51:48,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:51:48" (1/1) ... [2022-12-14 14:51:48,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:51:48" (1/1) ... [2022-12-14 14:51:48,668 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:51:48" (1/1) ... [2022-12-14 14:51:48,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:51:48" (1/1) ... [2022-12-14 14:51:48,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:51:48,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:51:48,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:51:48,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:51:48,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:51:48" (1/1) ... [2022-12-14 14:51:48,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:51:48,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:51:48,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:51:48,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:51:48,772 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_done [2022-12-14 14:51:48,772 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_done [2022-12-14 14:51:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_get_wwn [2022-12-14 14:51:48,773 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_get_wwn [2022-12-14 14:51:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_bsg_request [2022-12-14 14:51:48,773 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_bsg_request [2022-12-14 14:51:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-12-14 14:51:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_del [2022-12-14 14:51:48,773 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_del [2022-12-14 14:51:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-12-14 14:51:48,773 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-12-14 14:51:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 14:51:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 14:51:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-12-14 14:51:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-12-14 14:51:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-14 14:51:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-14 14:51:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_header_get [2022-12-14 14:51:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_header_get [2022-12-14 14:51:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 14:51:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 14:51:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev [2022-12-14 14:51:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev [2022-12-14 14:51:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_recv_flogi [2022-12-14 14:51:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_recv_flogi [2022-12-14 14:51:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_setlink [2022-12-14 14:51:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_setlink [2022-12-14 14:51:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_abort [2022-12-14 14:51:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_abort [2022-12-14 14:51:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-12-14 14:51:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-12-14 14:51:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_dev_from_skb [2022-12-14 14:51:48,776 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_dev_from_skb [2022-12-14 14:51:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2022-12-14 14:51:48,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2022-12-14 14:51:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_create [2022-12-14 14:51:48,776 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_create [2022-12-14 14:51:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_priv [2022-12-14 14:51:48,776 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_priv [2022-12-14 14:51:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2022-12-14 14:51:48,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2022-12-14 14:51:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_ok [2022-12-14 14:51:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_ok [2022-12-14 14:51:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 14:51:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 14:51:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_vport_destroy [2022-12-14 14:51:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_vport_destroy [2022-12-14 14:51:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_alloc [2022-12-14 14:51:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_alloc [2022-12-14 14:51:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_port_state [2022-12-14 14:51:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_port_state [2022-12-14 14:51:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure fc_release_transport [2022-12-14 14:51:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_release_transport [2022-12-14 14:51:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_reset [2022-12-14 14:51:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_reset [2022-12-14 14:51:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-14 14:51:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-14 14:51:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 14:51:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 14:51:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_speed_update [2022-12-14 14:51:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_speed_update [2022-12-14 14:51:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_xmit [2022-12-14 14:51:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_xmit [2022-12-14 14:51:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_logoff [2022-12-14 14:51:48,779 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_logoff [2022-12-14 14:51:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:51:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_get [2022-12-14 14:51:48,779 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_get [2022-12-14 14:51:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 14:51:48,779 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 14:51:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_remove [2022-12-14 14:51:48,779 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_remove [2022-12-14 14:51:48,779 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_alloc [2022-12-14 14:51:48,779 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_alloc [2022-12-14 14:51:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure is_fip_mode [2022-12-14 14:51:48,780 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fip_mode [2022-12-14 14:51:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_check_wait_queue [2022-12-14 14:51:48,780 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_check_wait_queue [2022-12-14 14:51:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-12-14 14:51:48,780 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-12-14 14:51:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_login [2022-12-14 14:51:48,780 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_login [2022-12-14 14:51:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 14:51:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_done [2022-12-14 14:51:48,780 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_done [2022-12-14 14:51:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_target [2022-12-14 14:51:48,781 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_target [2022-12-14 14:51:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_rport_loss_tmo [2022-12-14 14:51:48,781 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_rport_loss_tmo [2022-12-14 14:51:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 14:51:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_setup [2022-12-14 14:51:48,781 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_setup [2022-12-14 14:51:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:51:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 14:51:48,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 14:51:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_wwn_from_mac [2022-12-14 14:51:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_wwn_from_mac [2022-12-14 14:51:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-12-14 14:51:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-12-14 14:51:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-12-14 14:51:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-12-14 14:51:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure fc_attach_transport [2022-12-14 14:51:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_attach_transport [2022-12-14 14:51:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_lookup_port [2022-12-14 14:51:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_lookup_port [2022-12-14 14:51:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_getapp [2022-12-14 14:51:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_getapp [2022-12-14 14:51:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_terminate_io [2022-12-14 14:51:48,783 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_terminate_io [2022-12-14 14:51:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-12-14 14:51:48,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-12-14 14:51:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure _fcoe_create [2022-12-14 14:51:48,783 INFO L138 BoogieDeclarations]: Found implementation of procedure _fcoe_create [2022-12-14 14:51:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_free [2022-12-14 14:51:48,783 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_free [2022-12-14 14:51:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 14:51:48,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 14:51:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-12-14 14:51:48,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-12-14 14:51:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:51:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_ieee_getapp_mask [2022-12-14 14:51:48,784 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_ieee_getapp_mask [2022-12-14 14:51:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:51:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_mfs [2022-12-14 14:51:48,784 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_mfs [2022-12-14 14:51:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:51:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 14:51:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-12-14 14:51:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-12-14 14:51:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 14:51:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 14:51:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_up [2022-12-14 14:51:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_up [2022-12-14 14:51:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure lport_priv [2022-12-14 14:51:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure lport_priv [2022-12-14 14:51:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev_features_change [2022-12-14 14:51:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev_features_change [2022-12-14 14:51:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_disable [2022-12-14 14:51:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_disable [2022-12-14 14:51:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 14:51:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 14:51:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_set_state [2022-12-14 14:51:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_set_state [2022-12-14 14:51:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_clean_pending_queue [2022-12-14 14:51:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_clean_pending_queue [2022-12-14 14:51:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2022-12-14 14:51:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2022-12-14 14:51:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_enabled [2022-12-14 14:51:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_enabled [2022-12-14 14:51:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_down [2022-12-14 14:51:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_down [2022-12-14 14:51:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-12-14 14:51:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-12-14 14:51:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-12-14 14:51:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-12-14 14:51:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:51:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:51:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2022-12-14 14:51:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2022-12-14 14:51:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 14:51:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 14:51:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-12-14 14:51:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-12-14 14:51:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_op [2022-12-14 14:51:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_op [2022-12-14 14:51:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_get_lesb [2022-12-14 14:51:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_get_lesb [2022-12-14 14:51:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 14:51:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 14:51:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 14:51:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 14:51:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure fc_elsct_send [2022-12-14 14:51:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_elsct_send [2022-12-14 14:51:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_vlan_id [2022-12-14 14:51:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_vlan_id [2022-12-14 14:51:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure fc_queuecommand [2022-12-14 14:51:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_queuecommand [2022-12-14 14:51:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 14:51:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 14:51:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-12-14 14:51:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-12-14 14:51:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-12-14 14:51:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-12-14 14:51:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-12-14 14:51:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_17 [2022-12-14 14:51:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_17 [2022-12-14 14:51:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-12-14 14:51:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-12-14 14:51:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_speed [2022-12-14 14:51:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_speed [2022-12-14 14:51:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-12-14 14:51:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-12-14 14:51:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_create [2022-12-14 14:51:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_create [2022-12-14 14:51:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 14:51:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 14:51:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 14:51:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 14:51:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_destroy [2022-12-14 14:51:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_destroy [2022-12-14 14:51:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 14:51:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 14:51:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 14:51:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 14:51:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_priv [2022-12-14 14:51:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_priv [2022-12-14 14:51:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_del [2022-12-14 14:51:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_del [2022-12-14 14:51:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy [2022-12-14 14:51:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy [2022-12-14 14:51:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-14 14:51:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-14 14:51:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-12-14 14:51:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-12-14 14:51:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_device_reset [2022-12-14 14:51:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_device_reset [2022-12-14 14:51:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:51:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 14:51:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 14:51:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwpn [2022-12-14 14:51:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwpn [2022-12-14 14:51:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:51:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-12-14 14:51:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-12-14 14:51:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-12-14 14:51:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-12-14 14:51:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_destroy [2022-12-14 14:51:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_destroy [2022-12-14 14:51:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-12-14 14:51:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-12-14 14:51:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-12-14 14:51:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-12-14 14:51:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_cleanup [2022-12-14 14:51:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_cleanup [2022-12-14 14:51:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 14:51:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2022-12-14 14:51:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2022-12-14 14:51:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-12-14 14:51:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-12-14 14:51:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure dev_add_pack [2022-12-14 14:51:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_add_pack [2022-12-14 14:51:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwnn [2022-12-14 14:51:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwnn [2022-12-14 14:51:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-12-14 14:51:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-12-14 14:51:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 14:51:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 14:51:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_stats [2022-12-14 14:51:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_stats [2022-12-14 14:51:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_enable [2022-12-14 14:51:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_enable [2022-12-14 14:51:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure ntoh24 [2022-12-14 14:51:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ntoh24 [2022-12-14 14:51:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_add [2022-12-14 14:51:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_add [2022-12-14 14:51:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-12-14 14:51:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-12-14 14:51:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2022-12-14 14:51:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2022-12-14 14:51:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_destroy [2022-12-14 14:51:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_destroy [2022-12-14 14:51:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-12-14 14:51:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-12-14 14:51:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_setup [2022-12-14 14:51:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_setup [2022-12-14 14:51:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2022-12-14 14:51:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2022-12-14 14:51:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:51:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_create [2022-12-14 14:51:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_create [2022-12-14 14:51:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_delete [2022-12-14 14:51:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_delete [2022-12-14 14:51:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 14:51:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 14:51:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2022-12-14 14:51:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2022-12-14 14:51:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 14:51:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 14:51:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-12-14 14:51:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-12-14 14:51:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-14 14:51:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-14 14:51:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2022-12-14 14:51:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2022-12-14 14:51:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_port_send [2022-12-14 14:51:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_port_send [2022-12-14 14:51:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_host_reset [2022-12-14 14:51:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_host_reset [2022-12-14 14:51:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy_work [2022-12-14 14:51:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy_work [2022-12-14 14:51:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-12-14 14:51:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-12-14 14:51:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2022-12-14 14:51:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2022-12-14 14:51:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-12-14 14:51:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-12-14 14:51:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure fc_slave_alloc [2022-12-14 14:51:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_slave_alloc [2022-12-14 14:51:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-12-14 14:51:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-12-14 14:51:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_elsct_send [2022-12-14 14:51:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_elsct_send [2022-12-14 14:51:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_real_dev [2022-12-14 14:51:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_real_dev [2022-12-14 14:51:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_begin [2022-12-14 14:51:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_begin [2022-12-14 14:51:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-12-14 14:51:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-12-14 14:51:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2022-12-14 14:51:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2022-12-14 14:51:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_remove_pack [2022-12-14 14:51:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_remove_pack [2022-12-14 14:51:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:51:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-12-14 14:51:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-12-14 14:51:49,551 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:51:49,554 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:51:50,027 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 14:51:53,137 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:51:55,195 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:51:55,195 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-12-14 14:51:55,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:51:55 BoogieIcfgContainer [2022-12-14 14:51:55,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:51:55,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:51:55,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:51:55,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:51:55,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:51:45" (1/3) ... [2022-12-14 14:51:55,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c65cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:51:55, skipping insertion in model container [2022-12-14 14:51:55,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:51:48" (2/3) ... [2022-12-14 14:51:55,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c65cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:51:55, skipping insertion in model container [2022-12-14 14:51:55,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:51:55" (3/3) ... [2022-12-14 14:51:55,207 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2022-12-14 14:51:55,223 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:51:55,223 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 14:51:55,300 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:51:55,306 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;@1edb9a32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:51:55,306 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 14:51:55,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 1821 states, 1105 states have (on average 1.3556561085972851) internal successors, (1498), 1164 states have internal predecessors, (1498), 567 states have call successors, (567), 148 states have call predecessors, (567), 147 states have return successors, (554), 544 states have call predecessors, (554), 554 states have call successors, (554) [2022-12-14 14:51:55,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-12-14 14:51:55,343 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:51:55,344 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:55,344 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:51:55,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:51:55,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1729177560, now seen corresponding path program 1 times [2022-12-14 14:51:55,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:51:55,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886007027] [2022-12-14 14:51:55,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:51:55,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:51:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:51:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1747 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1747 trivial. 0 not checked. [2022-12-14 14:51:56,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:51:56,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886007027] [2022-12-14 14:51:56,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886007027] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:51:56,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:51:56,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:51:56,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997035608] [2022-12-14 14:51:56,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:51:56,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:51:56,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:51:56,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:51:56,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:51:56,483 INFO L87 Difference]: Start difference. First operand has 1821 states, 1105 states have (on average 1.3556561085972851) internal successors, (1498), 1164 states have internal predecessors, (1498), 567 states have call successors, (567), 148 states have call predecessors, (567), 147 states have return successors, (554), 544 states have call predecessors, (554), 554 states have call successors, (554) Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 14:51:59,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:51:59,486 INFO L93 Difference]: Finished difference Result 5147 states and 7494 transitions. [2022-12-14 14:51:59,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:51:59,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 327 [2022-12-14 14:51:59,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:51:59,521 INFO L225 Difference]: With dead ends: 5147 [2022-12-14 14:51:59,521 INFO L226 Difference]: Without dead ends: 3353 [2022-12-14 14:51:59,530 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 14:51:59,532 INFO L413 NwaCegarLoop]: 2968 mSDtfsCounter, 2268 mSDsluCounter, 2261 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2268 SdHoareTripleChecker+Valid, 5229 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 14:51:59,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2268 Valid, 5229 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 14:51:59,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3353 states. [2022-12-14 14:51:59,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3353 to 3348. [2022-12-14 14:51:59,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3348 states, 2057 states have (on average 1.3514827418570734) internal successors, (2780), 2142 states have internal predecessors, (2780), 1011 states have call successors, (1011), 280 states have call predecessors, (1011), 279 states have return successors, (1036), 989 states have call predecessors, (1036), 1009 states have call successors, (1036) [2022-12-14 14:51:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3348 states to 3348 states and 4827 transitions. [2022-12-14 14:51:59,695 INFO L78 Accepts]: Start accepts. Automaton has 3348 states and 4827 transitions. Word has length 327 [2022-12-14 14:51:59,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:51:59,696 INFO L495 AbstractCegarLoop]: Abstraction has 3348 states and 4827 transitions. [2022-12-14 14:51:59,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 14:51:59,696 INFO L276 IsEmpty]: Start isEmpty. Operand 3348 states and 4827 transitions. [2022-12-14 14:51:59,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-12-14 14:51:59,704 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:51:59,705 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:59,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:51:59,705 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:51:59,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:51:59,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1605209364, now seen corresponding path program 1 times [2022-12-14 14:51:59,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:51:59,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546057444] [2022-12-14 14:51:59,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:51:59,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:51:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:52:00,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1747 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1747 trivial. 0 not checked. [2022-12-14 14:52:00,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:52:00,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546057444] [2022-12-14 14:52:00,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546057444] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:52:00,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:52:00,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:52:00,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577085770] [2022-12-14 14:52:00,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:52:00,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:52:00,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:52:00,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:52:00,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:52:00,115 INFO L87 Difference]: Start difference. First operand 3348 states and 4827 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-12-14 14:52:02,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:52:02,662 INFO L93 Difference]: Finished difference Result 9852 states and 14187 transitions. [2022-12-14 14:52:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:52:02,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 357 [2022-12-14 14:52:02,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:52:02,711 INFO L225 Difference]: With dead ends: 9852 [2022-12-14 14:52:02,711 INFO L226 Difference]: Without dead ends: 6569 [2022-12-14 14:52:02,723 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 14:52:02,724 INFO L413 NwaCegarLoop]: 2811 mSDtfsCounter, 2528 mSDsluCounter, 2193 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2528 SdHoareTripleChecker+Valid, 5004 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:52:02,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2528 Valid, 5004 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 14:52:02,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6569 states. [2022-12-14 14:52:02,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6569 to 6554. [2022-12-14 14:52:02,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6554 states, 4028 states have (on average 1.3530287984111222) internal successors, (5450), 4200 states have internal predecessors, (5450), 1969 states have call successors, (1969), 557 states have call predecessors, (1969), 556 states have return successors, (2019), 1924 states have call predecessors, (2019), 1967 states have call successors, (2019) [2022-12-14 14:52:02,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6554 states to 6554 states and 9438 transitions. [2022-12-14 14:52:02,980 INFO L78 Accepts]: Start accepts. Automaton has 6554 states and 9438 transitions. Word has length 357 [2022-12-14 14:52:02,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:52:02,981 INFO L495 AbstractCegarLoop]: Abstraction has 6554 states and 9438 transitions. [2022-12-14 14:52:02,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-12-14 14:52:02,981 INFO L276 IsEmpty]: Start isEmpty. Operand 6554 states and 9438 transitions. [2022-12-14 14:52:02,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2022-12-14 14:52:02,992 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:52:02,992 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2022-12-14 14:52:02,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:52:02,992 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:52:02,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:52:02,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1210853464, now seen corresponding path program 1 times [2022-12-14 14:52:02,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:52:02,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34462595] [2022-12-14 14:52:02,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:52:02,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:52:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:52:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2022-12-14 14:52:04,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:52:04,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34462595] [2022-12-14 14:52:04,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34462595] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:52:04,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964725210] [2022-12-14 14:52:04,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:52:04,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:52:04,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:52:04,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:52:04,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:52:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:52:05,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 6015 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 14:52:05,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:52:05,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1751 trivial. 0 not checked. [2022-12-14 14:52:05,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:52:05,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964725210] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:52:05,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:52:05,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-12-14 14:52:05,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759772106] [2022-12-14 14:52:05,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:52:05,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:52:05,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:52:05,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:52:05,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:52:05,538 INFO L87 Difference]: Start difference. First operand 6554 states and 9438 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (64), 4 states have call predecessors, (64), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-12-14 14:52:12,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:52:12,306 INFO L93 Difference]: Finished difference Result 16439 states and 23414 transitions. [2022-12-14 14:52:12,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:52:12,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (64), 4 states have call predecessors, (64), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 438 [2022-12-14 14:52:12,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:52:12,343 INFO L225 Difference]: With dead ends: 16439 [2022-12-14 14:52:12,343 INFO L226 Difference]: Without dead ends: 9950 [2022-12-14 14:52:12,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-12-14 14:52:12,362 INFO L413 NwaCegarLoop]: 3070 mSDtfsCounter, 1503 mSDsluCounter, 7042 mSDsCounter, 0 mSdLazyCounter, 2903 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 10112 SdHoareTripleChecker+Invalid, 2915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:52:12,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 10112 Invalid, 2915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2903 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-12-14 14:52:12,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9950 states. [2022-12-14 14:52:12,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9950 to 9946. [2022-12-14 14:52:12,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9946 states, 5978 states have (on average 1.3228504516560722) internal successors, (7908), 6216 states have internal predecessors, (7908), 3007 states have call successors, (3007), 961 states have call predecessors, (3007), 960 states have return successors, (3091), 2956 states have call predecessors, (3091), 3005 states have call successors, (3091) [2022-12-14 14:52:12,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9946 states to 9946 states and 14006 transitions. [2022-12-14 14:52:12,849 INFO L78 Accepts]: Start accepts. Automaton has 9946 states and 14006 transitions. Word has length 438 [2022-12-14 14:52:12,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:52:12,850 INFO L495 AbstractCegarLoop]: Abstraction has 9946 states and 14006 transitions. [2022-12-14 14:52:12,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (64), 4 states have call predecessors, (64), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-12-14 14:52:12,850 INFO L276 IsEmpty]: Start isEmpty. Operand 9946 states and 14006 transitions. [2022-12-14 14:52:12,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2022-12-14 14:52:12,865 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:52:12,865 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2022-12-14 14:52:12,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:52:13,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:52:13,067 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:52:13,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:52:13,068 INFO L85 PathProgramCache]: Analyzing trace with hash 2145462405, now seen corresponding path program 1 times [2022-12-14 14:52:13,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:52:13,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342562518] [2022-12-14 14:52:13,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:52:13,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:52:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:52:14,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1751 trivial. 0 not checked. [2022-12-14 14:52:14,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:52:14,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342562518] [2022-12-14 14:52:14,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342562518] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:52:14,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:52:14,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 14:52:14,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350845461] [2022-12-14 14:52:14,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:52:14,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 14:52:14,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:52:14,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 14:52:14,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:52:14,413 INFO L87 Difference]: Start difference. First operand 9946 states and 14006 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (58), 4 states have call predecessors, (58), 3 states have return successors, (54), 5 states have call predecessors, (54), 4 states have call successors, (54) [2022-12-14 14:52:35,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:52:35,190 INFO L93 Difference]: Finished difference Result 35616 states and 51757 transitions. [2022-12-14 14:52:35,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 14:52:35,191 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (58), 4 states have call predecessors, (58), 3 states have return successors, (54), 5 states have call predecessors, (54), 4 states have call successors, (54) Word has length 421 [2022-12-14 14:52:35,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:52:35,281 INFO L225 Difference]: With dead ends: 35616 [2022-12-14 14:52:35,281 INFO L226 Difference]: Without dead ends: 25735 [2022-12-14 14:52:35,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2022-12-14 14:52:35,306 INFO L413 NwaCegarLoop]: 2320 mSDtfsCounter, 4792 mSDsluCounter, 7017 mSDsCounter, 0 mSdLazyCounter, 18506 mSolverCounterSat, 3898 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5402 SdHoareTripleChecker+Valid, 9337 SdHoareTripleChecker+Invalid, 22404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3898 IncrementalHoareTripleChecker+Valid, 18506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:52:35,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5402 Valid, 9337 Invalid, 22404 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3898 Valid, 18506 Invalid, 0 Unknown, 0 Unchecked, 19.8s Time] [2022-12-14 14:52:35,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25735 states. [2022-12-14 14:52:36,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25735 to 25120. [2022-12-14 14:52:36,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25120 states, 14958 states have (on average 1.3132771760930606) internal successors, (19644), 15588 states have internal predecessors, (19644), 7695 states have call successors, (7695), 2311 states have call predecessors, (7695), 2466 states have return successors, (9147), 7724 states have call predecessors, (9147), 7693 states have call successors, (9147) [2022-12-14 14:52:36,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25120 states to 25120 states and 36486 transitions. [2022-12-14 14:52:36,319 INFO L78 Accepts]: Start accepts. Automaton has 25120 states and 36486 transitions. Word has length 421 [2022-12-14 14:52:36,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:52:36,320 INFO L495 AbstractCegarLoop]: Abstraction has 25120 states and 36486 transitions. [2022-12-14 14:52:36,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (58), 4 states have call predecessors, (58), 3 states have return successors, (54), 5 states have call predecessors, (54), 4 states have call successors, (54) [2022-12-14 14:52:36,320 INFO L276 IsEmpty]: Start isEmpty. Operand 25120 states and 36486 transitions. [2022-12-14 14:52:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2022-12-14 14:52:36,331 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:52:36,332 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2022-12-14 14:52:36,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 14:52:36,332 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:52:36,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:52:36,333 INFO L85 PathProgramCache]: Analyzing trace with hash -36020030, now seen corresponding path program 1 times [2022-12-14 14:52:36,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:52:36,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576980087] [2022-12-14 14:52:36,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:52:36,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:52:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:52:37,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1767 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2022-12-14 14:52:37,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:52:37,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576980087] [2022-12-14 14:52:37,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576980087] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:52:37,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629945436] [2022-12-14 14:52:37,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:52:37,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:52:37,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:52:37,500 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:52:37,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:52:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:52:38,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 6026 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 14:52:38,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:52:38,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1767 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1751 trivial. 0 not checked. [2022-12-14 14:52:38,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:52:38,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629945436] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:52:38,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:52:38,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-12-14 14:52:38,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440216980] [2022-12-14 14:52:38,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:52:38,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:52:38,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:52:38,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:52:38,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 14:52:38,928 INFO L87 Difference]: Start difference. First operand 25120 states and 36486 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 3 states have call successors, (64), 4 states have call predecessors, (64), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-12-14 14:52:45,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:52:45,375 INFO L93 Difference]: Finished difference Result 50204 states and 72962 transitions. [2022-12-14 14:52:45,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:52:45,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 3 states have call successors, (64), 4 states have call predecessors, (64), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 446 [2022-12-14 14:52:45,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:52:45,454 INFO L225 Difference]: With dead ends: 50204 [2022-12-14 14:52:45,454 INFO L226 Difference]: Without dead ends: 25149 [2022-12-14 14:52:45,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:52:45,512 INFO L413 NwaCegarLoop]: 3289 mSDtfsCounter, 2512 mSDsluCounter, 5599 mSDsCounter, 0 mSdLazyCounter, 3522 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2512 SdHoareTripleChecker+Valid, 8888 SdHoareTripleChecker+Invalid, 3533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 3522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-14 14:52:45,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2512 Valid, 8888 Invalid, 3533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 3522 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-12-14 14:52:45,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25149 states. [2022-12-14 14:52:46,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25149 to 25100. [2022-12-14 14:52:46,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25100 states, 14950 states have (on average 1.3126421404682274) internal successors, (19624), 15576 states have internal predecessors, (19624), 7683 states have call successors, (7683), 2311 states have call predecessors, (7683), 2466 states have return successors, (9111), 7712 states have call predecessors, (9111), 7681 states have call successors, (9111) [2022-12-14 14:52:46,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25100 states to 25100 states and 36418 transitions. [2022-12-14 14:52:46,416 INFO L78 Accepts]: Start accepts. Automaton has 25100 states and 36418 transitions. Word has length 446 [2022-12-14 14:52:46,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:52:46,417 INFO L495 AbstractCegarLoop]: Abstraction has 25100 states and 36418 transitions. [2022-12-14 14:52:46,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 3 states have call successors, (64), 4 states have call predecessors, (64), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-12-14 14:52:46,417 INFO L276 IsEmpty]: Start isEmpty. Operand 25100 states and 36418 transitions. [2022-12-14 14:52:46,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2022-12-14 14:52:46,425 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:52:46,425 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2022-12-14 14:52:46,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 14:52:46,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:52:46,626 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:52:46,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:52:46,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1831026310, now seen corresponding path program 1 times [2022-12-14 14:52:46,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:52:46,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097665919] [2022-12-14 14:52:46,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:52:46,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:52:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:52:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1768 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2022-12-14 14:52:47,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:52:47,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097665919] [2022-12-14 14:52:47,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097665919] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:52:47,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068824809] [2022-12-14 14:52:47,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:52:47,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:52:47,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:52:47,420 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:52:47,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 14:52:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:52:48,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 6027 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 14:52:48,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:52:48,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1768 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1751 trivial. 0 not checked. [2022-12-14 14:52:48,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:52:48,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068824809] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:52:48,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:52:48,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-12-14 14:52:48,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749211699] [2022-12-14 14:52:48,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:52:48,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:52:48,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:52:48,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:52:48,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:52:48,647 INFO L87 Difference]: Start difference. First operand 25100 states and 36418 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 3 states have call successors, (64), 4 states have call predecessors, (64), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-12-14 14:52:54,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:52:54,750 INFO L93 Difference]: Finished difference Result 61507 states and 89374 transitions. [2022-12-14 14:52:54,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:52:54,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 3 states have call successors, (64), 4 states have call predecessors, (64), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 447 [2022-12-14 14:52:54,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:52:54,853 INFO L225 Difference]: With dead ends: 61507 [2022-12-14 14:52:54,853 INFO L226 Difference]: Without dead ends: 36472 [2022-12-14 14:52:54,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-12-14 14:52:54,908 INFO L413 NwaCegarLoop]: 3040 mSDtfsCounter, 1508 mSDsluCounter, 3502 mSDsCounter, 0 mSdLazyCounter, 2495 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 6542 SdHoareTripleChecker+Invalid, 2507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:52:54,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 6542 Invalid, 2507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2495 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-12-14 14:52:54,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36472 states. [2022-12-14 14:52:55,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36472 to 36464. [2022-12-14 14:52:55,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36464 states, 21484 states have (on average 1.2968720908583131) internal successors, (27862), 22340 states have internal predecessors, (27862), 11213 states have call successors, (11213), 3507 states have call predecessors, (11213), 3766 states have return successors, (13341), 11316 states have call predecessors, (13341), 11211 states have call successors, (13341) [2022-12-14 14:52:56,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36464 states to 36464 states and 52416 transitions. [2022-12-14 14:52:56,091 INFO L78 Accepts]: Start accepts. Automaton has 36464 states and 52416 transitions. Word has length 447 [2022-12-14 14:52:56,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:52:56,092 INFO L495 AbstractCegarLoop]: Abstraction has 36464 states and 52416 transitions. [2022-12-14 14:52:56,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 3 states have call successors, (64), 4 states have call predecessors, (64), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-12-14 14:52:56,092 INFO L276 IsEmpty]: Start isEmpty. Operand 36464 states and 52416 transitions. [2022-12-14 14:52:56,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-12-14 14:52:56,103 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:52:56,103 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2022-12-14 14:52:56,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 14:52:56,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 14:52:56,304 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:52:56,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:52:56,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1685912494, now seen corresponding path program 1 times [2022-12-14 14:52:56,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:52:56,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889832217] [2022-12-14 14:52:56,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:52:56,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:52:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:52:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1751 trivial. 0 not checked. [2022-12-14 14:52:57,557 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:52:57,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889832217] [2022-12-14 14:52:57,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889832217] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:52:57,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:52:57,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 14:52:57,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110033541] [2022-12-14 14:52:57,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:52:57,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 14:52:57,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:52:57,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 14:52:57,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:52:57,559 INFO L87 Difference]: Start difference. First operand 36464 states and 52416 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 4 states have call successors, (58), 4 states have call predecessors, (58), 3 states have return successors, (54), 5 states have call predecessors, (54), 4 states have call successors, (54) [2022-12-14 14:53:15,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:53:15,784 INFO L93 Difference]: Finished difference Result 70055 states and 101086 transitions. [2022-12-14 14:53:15,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 14:53:15,784 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 4 states have call successors, (58), 4 states have call predecessors, (58), 3 states have return successors, (54), 5 states have call predecessors, (54), 4 states have call successors, (54) Word has length 423 [2022-12-14 14:53:15,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:53:15,888 INFO L225 Difference]: With dead ends: 70055 [2022-12-14 14:53:15,888 INFO L226 Difference]: Without dead ends: 33632 [2022-12-14 14:53:15,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2022-12-14 14:53:15,955 INFO L413 NwaCegarLoop]: 1950 mSDtfsCounter, 5015 mSDsluCounter, 6014 mSDsCounter, 0 mSdLazyCounter, 17717 mSolverCounterSat, 3974 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5620 SdHoareTripleChecker+Valid, 7964 SdHoareTripleChecker+Invalid, 21691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3974 IncrementalHoareTripleChecker+Valid, 17717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:53:15,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5620 Valid, 7964 Invalid, 21691 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3974 Valid, 17717 Invalid, 0 Unknown, 0 Unchecked, 16.9s Time] [2022-12-14 14:53:15,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33632 states. [2022-12-14 14:53:16,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33632 to 32978. [2022-12-14 14:53:17,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32978 states, 19486 states have (on average 1.3010366416914707) internal successors, (25352), 20274 states have internal predecessors, (25352), 10137 states have call successors, (10137), 3095 states have call predecessors, (10137), 3354 states have return successors, (12111), 10252 states have call predecessors, (12111), 10135 states have call successors, (12111) [2022-12-14 14:53:17,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32978 states to 32978 states and 47600 transitions. [2022-12-14 14:53:17,103 INFO L78 Accepts]: Start accepts. Automaton has 32978 states and 47600 transitions. Word has length 423 [2022-12-14 14:53:17,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:53:17,104 INFO L495 AbstractCegarLoop]: Abstraction has 32978 states and 47600 transitions. [2022-12-14 14:53:17,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 4 states have call successors, (58), 4 states have call predecessors, (58), 3 states have return successors, (54), 5 states have call predecessors, (54), 4 states have call successors, (54) [2022-12-14 14:53:17,104 INFO L276 IsEmpty]: Start isEmpty. Operand 32978 states and 47600 transitions. [2022-12-14 14:53:17,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-12-14 14:53:17,112 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:53:17,112 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:17,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 14:53:17,113 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:53:17,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:53:17,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1243417128, now seen corresponding path program 1 times [2022-12-14 14:53:17,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:53:17,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075839790] [2022-12-14 14:53:17,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:53:17,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:53:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:53:17,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1759 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1759 trivial. 0 not checked. [2022-12-14 14:53:17,431 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:53:17,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075839790] [2022-12-14 14:53:17,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075839790] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:53:17,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:53:17,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:53:17,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068013985] [2022-12-14 14:53:17,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:53:17,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:53:17,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:53:17,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:53:17,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:53:17,433 INFO L87 Difference]: Start difference. First operand 32978 states and 47600 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-12-14 14:53:21,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:53:21,365 INFO L93 Difference]: Finished difference Result 96041 states and 138392 transitions. [2022-12-14 14:53:21,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:53:21,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 437 [2022-12-14 14:53:21,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:53:21,594 INFO L225 Difference]: With dead ends: 96041 [2022-12-14 14:53:21,594 INFO L226 Difference]: Without dead ends: 63128 [2022-12-14 14:53:21,664 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 14:53:21,664 INFO L413 NwaCegarLoop]: 2822 mSDtfsCounter, 2430 mSDsluCounter, 2175 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2430 SdHoareTripleChecker+Valid, 4997 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:53:21,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2430 Valid, 4997 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-14 14:53:21,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63128 states. [2022-12-14 14:53:23,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63128 to 63111. [2022-12-14 14:53:23,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63111 states, 37195 states have (on average 1.2977013039387015) internal successors, (48268), 38721 states have internal predecessors, (48268), 19352 states have call successors, (19352), 6044 states have call predecessors, (19352), 6563 states have return successors, (23242), 19593 states have call predecessors, (23242), 19350 states have call successors, (23242) [2022-12-14 14:53:24,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63111 states to 63111 states and 90862 transitions. [2022-12-14 14:53:24,009 INFO L78 Accepts]: Start accepts. Automaton has 63111 states and 90862 transitions. Word has length 437 [2022-12-14 14:53:24,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:53:24,010 INFO L495 AbstractCegarLoop]: Abstraction has 63111 states and 90862 transitions. [2022-12-14 14:53:24,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-12-14 14:53:24,010 INFO L276 IsEmpty]: Start isEmpty. Operand 63111 states and 90862 transitions. [2022-12-14 14:53:24,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2022-12-14 14:53:24,024 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:53:24,024 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2022-12-14 14:53:24,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 14:53:24,024 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:53:24,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:53:24,024 INFO L85 PathProgramCache]: Analyzing trace with hash 441890698, now seen corresponding path program 1 times [2022-12-14 14:53:24,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:53:24,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75991285] [2022-12-14 14:53:24,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:53:24,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:53:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:53:24,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1762 trivial. 0 not checked. [2022-12-14 14:53:24,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:53:24,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75991285] [2022-12-14 14:53:24,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75991285] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:53:24,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308198522] [2022-12-14 14:53:24,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:53:24,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:53:24,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:53:24,348 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:53:24,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 14:53:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:53:25,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 6340 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 14:53:25,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:53:25,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1768 trivial. 0 not checked. [2022-12-14 14:53:25,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:53:25,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308198522] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:53:25,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:53:25,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-12-14 14:53:25,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502480679] [2022-12-14 14:53:25,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:53:25,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:53:25,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:53:25,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:53:25,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:53:25,525 INFO L87 Difference]: Start difference. First operand 63111 states and 90862 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 14:53:31,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:53:31,731 INFO L93 Difference]: Finished difference Result 188362 states and 271006 transitions. [2022-12-14 14:53:31,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:53:31,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 475 [2022-12-14 14:53:31,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:53:32,183 INFO L225 Difference]: With dead ends: 188362 [2022-12-14 14:53:32,183 INFO L226 Difference]: Without dead ends: 125316 [2022-12-14 14:53:32,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 475 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:53:32,358 INFO L413 NwaCegarLoop]: 2952 mSDtfsCounter, 2492 mSDsluCounter, 2206 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2492 SdHoareTripleChecker+Valid, 5158 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:53:32,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2492 Valid, 5158 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 14:53:32,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125316 states. [2022-12-14 14:53:37,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125316 to 125299. [2022-12-14 14:53:37,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125299 states, 73765 states have (on average 1.2956822341218734) internal successors, (95576), 76765 states have internal predecessors, (95576), 38424 states have call successors, (38424), 12070 states have call predecessors, (38424), 13109 states have return successors, (46206), 38911 states have call predecessors, (46206), 38422 states have call successors, (46206) [2022-12-14 14:53:37,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125299 states to 125299 states and 180206 transitions. [2022-12-14 14:53:37,712 INFO L78 Accepts]: Start accepts. Automaton has 125299 states and 180206 transitions. Word has length 475 [2022-12-14 14:53:37,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:53:37,713 INFO L495 AbstractCegarLoop]: Abstraction has 125299 states and 180206 transitions. [2022-12-14 14:53:37,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 14:53:37,713 INFO L276 IsEmpty]: Start isEmpty. Operand 125299 states and 180206 transitions. [2022-12-14 14:53:37,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2022-12-14 14:53:37,741 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:53:37,742 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 19, 19, 19, 19, 19, 19, 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] [2022-12-14 14:53:37,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 14:53:37,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-14 14:53:37,943 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:53:37,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:53:37,945 INFO L85 PathProgramCache]: Analyzing trace with hash 178523816, now seen corresponding path program 1 times [2022-12-14 14:53:37,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:53:37,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085106992] [2022-12-14 14:53:37,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:53:37,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:53:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:53:38,365 INFO L134 CoverageAnalysis]: Checked inductivity of 3511 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3507 trivial. 0 not checked. [2022-12-14 14:53:38,365 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:53:38,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085106992] [2022-12-14 14:53:38,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085106992] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:53:38,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:53:38,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:53:38,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568277931] [2022-12-14 14:53:38,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:53:38,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:53:38,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:53:38,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:53:38,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:53:38,367 INFO L87 Difference]: Start difference. First operand 125299 states and 180206 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-12-14 14:53:45,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:53:45,803 INFO L93 Difference]: Finished difference Result 250634 states and 360465 transitions. [2022-12-14 14:53:45,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:53:45,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 508 [2022-12-14 14:53:45,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:53:46,264 INFO L225 Difference]: With dead ends: 250634 [2022-12-14 14:53:46,264 INFO L226 Difference]: Without dead ends: 125352 [2022-12-14 14:53:46,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:53:46,586 INFO L413 NwaCegarLoop]: 2301 mSDtfsCounter, 10 mSDsluCounter, 4591 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 6892 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:53:46,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 6892 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 14:53:46,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125352 states. [2022-12-14 14:53:50,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125352 to 125302. [2022-12-14 14:53:50,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125302 states, 73768 states have (on average 1.2954533130896866) internal successors, (95563), 76768 states have internal predecessors, (95563), 38424 states have call successors, (38424), 12070 states have call predecessors, (38424), 13109 states have return successors, (46206), 38911 states have call predecessors, (46206), 38422 states have call successors, (46206) [2022-12-14 14:53:51,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125302 states to 125302 states and 180193 transitions. [2022-12-14 14:53:51,385 INFO L78 Accepts]: Start accepts. Automaton has 125302 states and 180193 transitions. Word has length 508 [2022-12-14 14:53:51,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:53:51,385 INFO L495 AbstractCegarLoop]: Abstraction has 125302 states and 180193 transitions. [2022-12-14 14:53:51,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-12-14 14:53:51,385 INFO L276 IsEmpty]: Start isEmpty. Operand 125302 states and 180193 transitions. [2022-12-14 14:53:51,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2022-12-14 14:53:51,402 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:53:51,402 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 19, 19, 19, 19, 19, 19, 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] [2022-12-14 14:53:51,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 14:53:51,402 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:53:51,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:53:51,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1103686216, now seen corresponding path program 1 times [2022-12-14 14:53:51,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:53:51,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444653003] [2022-12-14 14:53:51,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:53:51,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:53:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:53:52,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3511 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 3421 trivial. 0 not checked. [2022-12-14 14:53:52,938 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:53:52,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444653003] [2022-12-14 14:53:52,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444653003] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:53:52,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722049818] [2022-12-14 14:53:52,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:53:52,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:53:52,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:53:52,940 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:53:52,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 14:53:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:53:54,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 5651 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 14:53:54,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:53:54,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3511 backedges. 1214 proven. 0 refuted. 0 times theorem prover too weak. 2297 trivial. 0 not checked. [2022-12-14 14:53:54,213 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:53:54,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722049818] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:53:54,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:53:54,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2022-12-14 14:53:54,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184114848] [2022-12-14 14:53:54,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:53:54,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:53:54,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:53:54,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:53:54,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:53:54,215 INFO L87 Difference]: Start difference. First operand 125302 states and 180193 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-12-14 14:54:00,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:54:00,478 INFO L93 Difference]: Finished difference Result 250647 states and 360448 transitions. [2022-12-14 14:54:00,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:54:00,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 509 [2022-12-14 14:54:00,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:54:00,983 INFO L225 Difference]: With dead ends: 250647 [2022-12-14 14:54:00,983 INFO L226 Difference]: Without dead ends: 125346 [2022-12-14 14:54:01,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-14 14:54:01,257 INFO L413 NwaCegarLoop]: 2301 mSDtfsCounter, 14 mSDsluCounter, 4592 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 6893 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:54:01,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 6893 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 14:54:01,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125346 states. [2022-12-14 14:54:05,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125346 to 125274. [2022-12-14 14:54:05,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125274 states, 73740 states have (on average 1.2949416870084078) internal successors, (95489), 76740 states have internal predecessors, (95489), 38424 states have call successors, (38424), 12070 states have call predecessors, (38424), 13109 states have return successors, (46206), 38911 states have call predecessors, (46206), 38422 states have call successors, (46206) [2022-12-14 14:54:06,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125274 states to 125274 states and 180119 transitions. [2022-12-14 14:54:06,174 INFO L78 Accepts]: Start accepts. Automaton has 125274 states and 180119 transitions. Word has length 509 [2022-12-14 14:54:06,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:54:06,175 INFO L495 AbstractCegarLoop]: Abstraction has 125274 states and 180119 transitions. [2022-12-14 14:54:06,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-12-14 14:54:06,175 INFO L276 IsEmpty]: Start isEmpty. Operand 125274 states and 180119 transitions. [2022-12-14 14:54:06,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2022-12-14 14:54:06,181 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:54:06,181 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:54:06,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-14 14:54:06,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:54:06,382 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:54:06,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:54:06,382 INFO L85 PathProgramCache]: Analyzing trace with hash -2095075094, now seen corresponding path program 1 times [2022-12-14 14:54:06,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:54:06,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308332082] [2022-12-14 14:54:06,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:54:06,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:54:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:54:06,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1774 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1772 trivial. 0 not checked. [2022-12-14 14:54:06,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:54:06,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308332082] [2022-12-14 14:54:06,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308332082] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:54:06,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546511924] [2022-12-14 14:54:06,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:54:06,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:54:06,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:54:06,816 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:54:06,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 14:54:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:54:07,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 6077 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 14:54:07,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:54:08,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1774 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2022-12-14 14:54:08,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:54:08,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546511924] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:54:08,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:54:08,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-12-14 14:54:08,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341525272] [2022-12-14 14:54:08,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:54:08,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:54:08,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:54:08,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:54:08,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:54:08,034 INFO L87 Difference]: Start difference. First operand 125274 states and 180119 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 14:54:16,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:54:16,674 INFO L93 Difference]: Finished difference Result 282324 states and 405939 transitions. [2022-12-14 14:54:16,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:54:16,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 491 [2022-12-14 14:54:16,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:54:17,614 INFO L225 Difference]: With dead ends: 282324 [2022-12-14 14:54:17,614 INFO L226 Difference]: Without dead ends: 247503 [2022-12-14 14:54:17,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 491 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:54:17,917 INFO L413 NwaCegarLoop]: 3178 mSDtfsCounter, 2487 mSDsluCounter, 2143 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2487 SdHoareTripleChecker+Valid, 5321 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:54:17,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2487 Valid, 5321 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 14:54:18,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247503 states. [2022-12-14 14:54:26,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247503 to 247415. [2022-12-14 14:54:26,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247415 states, 145843 states have (on average 1.2961815102541774) internal successors, (189039), 151651 states have internal predecessors, (189039), 75533 states have call successors, (75533), 23959 states have call predecessors, (75533), 26038 states have return successors, (90891), 76576 states have call predecessors, (90891), 75531 states have call successors, (90891) [2022-12-14 14:54:28,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247415 states to 247415 states and 355463 transitions. [2022-12-14 14:54:28,102 INFO L78 Accepts]: Start accepts. Automaton has 247415 states and 355463 transitions. Word has length 491 [2022-12-14 14:54:28,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:54:28,103 INFO L495 AbstractCegarLoop]: Abstraction has 247415 states and 355463 transitions. [2022-12-14 14:54:28,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 14:54:28,103 INFO L276 IsEmpty]: Start isEmpty. Operand 247415 states and 355463 transitions. [2022-12-14 14:54:28,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2022-12-14 14:54:28,132 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:54:28,132 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 19, 19, 19, 19, 19, 19, 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] [2022-12-14 14:54:28,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 14:54:28,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-14 14:54:28,335 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:54:28,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:54:28,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1575801095, now seen corresponding path program 1 times [2022-12-14 14:54:28,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:54:28,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546521420] [2022-12-14 14:54:28,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:54:28,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:54:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:54:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 3533 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 3523 trivial. 0 not checked. [2022-12-14 14:54:29,843 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:54:29,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546521420] [2022-12-14 14:54:29,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546521420] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:54:29,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245096495] [2022-12-14 14:54:29,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:54:29,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:54:29,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:54:29,844 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:54:29,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 14:54:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:54:31,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 5789 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 14:54:31,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:54:31,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3533 backedges. 1453 proven. 0 refuted. 0 times theorem prover too weak. 2080 trivial. 0 not checked. [2022-12-14 14:54:31,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:54:31,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245096495] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:54:31,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:54:31,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-12-14 14:54:31,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172116985] [2022-12-14 14:54:31,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:54:31,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 14:54:31,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:54:31,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 14:54:31,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-12-14 14:54:31,600 INFO L87 Difference]: Start difference. First operand 247415 states and 355463 transitions. Second operand has 6 states, 4 states have (on average 34.5) internal successors, (138), 6 states have internal predecessors, (138), 3 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2022-12-14 14:54:44,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:54:44,215 INFO L93 Difference]: Finished difference Result 495088 states and 726063 transitions. [2022-12-14 14:54:44,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:54:44,217 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 34.5) internal successors, (138), 6 states have internal predecessors, (138), 3 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) Word has length 561 [2022-12-14 14:54:44,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:54:45,311 INFO L225 Difference]: With dead ends: 495088 [2022-12-14 14:54:45,311 INFO L226 Difference]: Without dead ends: 247559 [2022-12-14 14:54:46,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 558 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-14 14:54:46,083 INFO L413 NwaCegarLoop]: 2279 mSDtfsCounter, 3 mSDsluCounter, 9069 mSDsCounter, 0 mSdLazyCounter, 1583 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 11348 SdHoareTripleChecker+Invalid, 1603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:54:46,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 11348 Invalid, 1603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1583 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 14:54:46,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247559 states. [2022-12-14 14:54:54,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247559 to 247559. [2022-12-14 14:54:55,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247559 states, 145987 states have (on average 1.2958893600115078) internal successors, (189183), 151795 states have internal predecessors, (189183), 75533 states have call successors, (75533), 23959 states have call predecessors, (75533), 26038 states have return successors, (90891), 76576 states have call predecessors, (90891), 75531 states have call successors, (90891) [2022-12-14 14:54:56,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247559 states to 247559 states and 355607 transitions. [2022-12-14 14:54:56,246 INFO L78 Accepts]: Start accepts. Automaton has 247559 states and 355607 transitions. Word has length 561 [2022-12-14 14:54:56,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:54:56,246 INFO L495 AbstractCegarLoop]: Abstraction has 247559 states and 355607 transitions. [2022-12-14 14:54:56,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 34.5) internal successors, (138), 6 states have internal predecessors, (138), 3 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2022-12-14 14:54:56,246 INFO L276 IsEmpty]: Start isEmpty. Operand 247559 states and 355607 transitions. [2022-12-14 14:54:56,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2022-12-14 14:54:56,268 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:54:56,269 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 19, 19, 19, 19, 19, 19, 19, 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] [2022-12-14 14:54:56,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 14:54:56,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-14 14:54:56,473 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:54:56,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:54:56,474 INFO L85 PathProgramCache]: Analyzing trace with hash -353288526, now seen corresponding path program 1 times [2022-12-14 14:54:56,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:54:56,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45492614] [2022-12-14 14:54:56,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:54:56,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:54:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:54:58,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4065 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4055 trivial. 0 not checked. [2022-12-14 14:54:58,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:54:58,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45492614] [2022-12-14 14:54:58,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45492614] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:54:58,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395443444] [2022-12-14 14:54:58,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:54:58,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:54:58,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:54:58,492 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:54:58,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 14:55:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:55:00,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 6194 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-14 14:55:00,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:55:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4065 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 4039 trivial. 0 not checked. [2022-12-14 14:55:01,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:55:01,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4065 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4065 trivial. 0 not checked. [2022-12-14 14:55:01,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395443444] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 14:55:01,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 14:55:01,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 6] total 16 [2022-12-14 14:55:01,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835598357] [2022-12-14 14:55:01,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:55:01,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 14:55:01,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:55:01,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 14:55:01,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-12-14 14:55:01,768 INFO L87 Difference]: Start difference. First operand 247559 states and 355607 transitions. Second operand has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 4 states have call successors, (64), 4 states have call predecessors, (64), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-12-14 14:55:18,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:55:18,764 INFO L93 Difference]: Finished difference Result 401119 states and 594941 transitions. [2022-12-14 14:55:18,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:55:18,764 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 4 states have call successors, (64), 4 states have call predecessors, (64), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 580 [2022-12-14 14:55:18,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:55:20,523 INFO L225 Difference]: With dead ends: 401119 [2022-12-14 14:55:20,524 INFO L226 Difference]: Without dead ends: 401116 [2022-12-14 14:55:20,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1167 GetRequests, 1147 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2022-12-14 14:55:20,690 INFO L413 NwaCegarLoop]: 4232 mSDtfsCounter, 8256 mSDsluCounter, 1181 mSDsCounter, 0 mSdLazyCounter, 1940 mSolverCounterSat, 3376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8256 SdHoareTripleChecker+Valid, 5413 SdHoareTripleChecker+Invalid, 5316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3376 IncrementalHoareTripleChecker+Valid, 1940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:55:20,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8256 Valid, 5413 Invalid, 5316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3376 Valid, 1940 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 14:55:21,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401116 states. [2022-12-14 14:55:36,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401116 to 401091. [2022-12-14 14:55:36,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401091 states, 237202 states have (on average 1.295208303471303) internal successors, (307226), 246444 states have internal predecessors, (307226), 122901 states have call successors, (122901), 37492 states have call predecessors, (122901), 40987 states have return successors, (164679), 124782 states have call predecessors, (164679), 122899 states have call successors, (164679) [2022-12-14 14:55:38,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401091 states to 401091 states and 594806 transitions. [2022-12-14 14:55:38,724 INFO L78 Accepts]: Start accepts. Automaton has 401091 states and 594806 transitions. Word has length 580 [2022-12-14 14:55:38,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:55:38,725 INFO L495 AbstractCegarLoop]: Abstraction has 401091 states and 594806 transitions. [2022-12-14 14:55:38,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 4 states have call successors, (64), 4 states have call predecessors, (64), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-12-14 14:55:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 401091 states and 594806 transitions. [2022-12-14 14:55:38,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2022-12-14 14:55:38,800 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:55:38,801 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 19, 19, 19, 19, 19, 19, 19, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:55:38,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 14:55:39,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:55:39,002 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:55:39,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:55:39,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1451750924, now seen corresponding path program 1 times [2022-12-14 14:55:39,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:55:39,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720124193] [2022-12-14 14:55:39,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:55:39,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:55:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:55:39,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4082 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 4059 trivial. 0 not checked. [2022-12-14 14:55:39,756 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:55:39,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720124193] [2022-12-14 14:55:39,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720124193] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:55:39,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:55:39,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:55:39,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781327805] [2022-12-14 14:55:39,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:55:39,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:55:39,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:55:39,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:55:39,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:55:39,759 INFO L87 Difference]: Start difference. First operand 401091 states and 594806 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, (65), 2 states have call predecessors, (65), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2022-12-14 14:55:51,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:55:51,193 INFO L93 Difference]: Finished difference Result 601154 states and 891571 transitions. [2022-12-14 14:55:51,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:55:51,194 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, (65), 2 states have call predecessors, (65), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 611 [2022-12-14 14:55:51,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:55:52,227 INFO L225 Difference]: With dead ends: 601154 [2022-12-14 14:55:52,227 INFO L226 Difference]: Without dead ends: 200136 [2022-12-14 14:55:53,692 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 14:55:53,692 INFO L413 NwaCegarLoop]: 3115 mSDtfsCounter, 2372 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2372 SdHoareTripleChecker+Valid, 4085 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:55:53,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2372 Valid, 4085 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 14:55:53,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200136 states. [2022-12-14 14:56:01,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200136 to 200134. [2022-12-14 14:56:01,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200134 states, 118379 states have (on average 1.2953564399091055) internal successors, (153343), 122978 states have internal predecessors, (153343), 61282 states have call successors, (61282), 18725 states have call predecessors, (61282), 20472 states have return successors, (82146), 62204 states have call predecessors, (82146), 61280 states have call successors, (82146) [2022-12-14 14:56:02,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200134 states to 200134 states and 296771 transitions. [2022-12-14 14:56:02,825 INFO L78 Accepts]: Start accepts. Automaton has 200134 states and 296771 transitions. Word has length 611 [2022-12-14 14:56:02,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:56:02,826 INFO L495 AbstractCegarLoop]: Abstraction has 200134 states and 296771 transitions. [2022-12-14 14:56:02,826 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, (65), 2 states have call predecessors, (65), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2022-12-14 14:56:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 200134 states and 296771 transitions. [2022-12-14 14:56:02,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2022-12-14 14:56:02,900 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:56:02,900 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 19, 19, 19, 19, 19, 19, 19, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:56:02,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 14:56:02,900 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:56:02,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:56:02,901 INFO L85 PathProgramCache]: Analyzing trace with hash -395006704, now seen corresponding path program 1 times [2022-12-14 14:56:02,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:56:02,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210456654] [2022-12-14 14:56:02,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:56:02,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:56:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:56:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4083 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4083 trivial. 0 not checked. [2022-12-14 14:56:03,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:56:03,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210456654] [2022-12-14 14:56:03,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210456654] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:56:03,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:56:03,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:56:03,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087697632] [2022-12-14 14:56:03,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:56:03,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:56:03,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:56:03,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:56:03,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:56:03,599 INFO L87 Difference]: Start difference. First operand 200134 states and 296771 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 4 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (73), 4 states have call predecessors, (73), 4 states have call successors, (73) [2022-12-14 14:56:15,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:56:15,131 INFO L93 Difference]: Finished difference Result 411911 states and 633966 transitions. [2022-12-14 14:56:15,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:56:15,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 4 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (73), 4 states have call predecessors, (73), 4 states have call successors, (73) Word has length 643 [2022-12-14 14:56:15,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:56:16,054 INFO L225 Difference]: With dead ends: 411911 [2022-12-14 14:56:16,054 INFO L226 Difference]: Without dead ends: 200846 [2022-12-14 14:56:16,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:56:16,838 INFO L413 NwaCegarLoop]: 2380 mSDtfsCounter, 333 mSDsluCounter, 4363 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 6743 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 14:56:16,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 6743 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 14:56:16,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200846 states. [2022-12-14 14:56:25,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200846 to 200846. [2022-12-14 14:56:25,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200846 states, 119031 states have (on average 1.294713141954617) internal successors, (154111), 123670 states have internal predecessors, (154111), 61334 states have call successors, (61334), 18733 states have call predecessors, (61334), 20480 states have return successors, (82198), 62256 states have call predecessors, (82198), 61332 states have call successors, (82198) [2022-12-14 14:56:26,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200846 states to 200846 states and 297643 transitions. [2022-12-14 14:56:26,688 INFO L78 Accepts]: Start accepts. Automaton has 200846 states and 297643 transitions. Word has length 643 [2022-12-14 14:56:26,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:56:26,689 INFO L495 AbstractCegarLoop]: Abstraction has 200846 states and 297643 transitions. [2022-12-14 14:56:26,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 4 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (73), 4 states have call predecessors, (73), 4 states have call successors, (73) [2022-12-14 14:56:26,689 INFO L276 IsEmpty]: Start isEmpty. Operand 200846 states and 297643 transitions. [2022-12-14 14:56:26,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648 [2022-12-14 14:56:26,761 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:56:26,761 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 19, 19, 19, 19, 19, 19, 19, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:56:26,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 14:56:26,761 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:56:26,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:56:26,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1333382063, now seen corresponding path program 1 times [2022-12-14 14:56:26,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:56:26,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602470026] [2022-12-14 14:56:26,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:56:26,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:56:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:56:28,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4083 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4073 trivial. 0 not checked. [2022-12-14 14:56:28,519 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:56:28,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602470026] [2022-12-14 14:56:28,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602470026] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:56:28,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858718938] [2022-12-14 14:56:28,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:56:28,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:56:28,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:56:28,520 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:56:28,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7eb1e50-5807-4c66-aaf9-67576936b910/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 14:56:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:56:37,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 6640 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 14:56:37,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:56:37,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4083 backedges. 1557 proven. 1 refuted. 0 times theorem prover too weak. 2525 trivial. 0 not checked. [2022-12-14 14:56:37,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:56:38,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4083 backedges. 8 proven. 137 refuted. 0 times theorem prover too weak. 3938 trivial. 0 not checked. [2022-12-14 14:56:38,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858718938] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:56:38,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [729229602] [2022-12-14 14:56:38,390 INFO L159 IcfgInterpreter]: Started Sifa with 255 locations of interest [2022-12-14 14:56:38,390 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:56:38,393 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:56:38,397 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:56:38,398 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:56:43,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:56:43,475 INFO L217 Elim1Store]: Index analysis took 1571 ms [2022-12-14 15:02:49,614 WARN L233 SmtUtils]: Spent 6.10m on a formula simplification. DAG size of input: 6235 DAG size of output: 2212 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 15:02:49,622 INFO L321 Elim1Store]: treesize reduction 64597, result has 8.2 percent of original size [2022-12-14 15:02:49,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 86 select indices, 86 select index equivalence classes, 3693 disjoint index pairs (out of 3655 index pairs), introduced 86 new quantified variables, introduced 103 case distinctions, treesize of input 491 treesize of output 6020 [2022-12-14 15:02:55,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 15:02:56,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 15:02:57,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 15:02:57,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 15:03:07,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:10,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:17,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:21,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:24,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:27,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:34,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:38,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:41,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:44,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:47,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:47,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:47,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:47,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:47,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:47,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:47,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:47,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:03:47,888 INFO L190 IndexEqualityManager]: detected not equals via solver