./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.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_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/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_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/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_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/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 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- 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 08:19:02,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:19:02,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:19:02,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:19:02,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:19:02,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:19:02,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:19:02,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:19:02,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:19:02,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:19:02,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:19:02,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:19:02,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:19:02,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:19:02,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:19:02,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:19:02,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:19:02,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:19:02,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:19:02,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:19:02,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:19:02,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:19:02,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:19:02,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:19:02,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:19:02,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:19:02,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:19:02,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:19:02,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:19:02,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:19:02,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:19:02,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:19:02,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:19:02,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:19:02,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:19:02,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:19:02,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:19:02,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:19:02,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:19:02,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:19:02,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:19:02,730 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 08:19:02,753 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:19:02,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:19:02,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:19:02,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:19:02,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:19:02,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:19:02,755 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:19:02,755 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:19:02,755 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:19:02,756 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:19:02,756 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:19:02,756 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:19:02,756 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:19:02,756 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:19:02,757 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:19:02,757 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:19:02,757 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:19:02,757 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:19:02,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:19:02,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:19:02,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:19:02,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:19:02,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:19:02,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:19:02,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:19:02,759 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:19:02,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:19:02,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:19:02,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:19:02,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:19:02,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:19:02,760 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:19:02,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:19:02,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:19:02,760 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:19:02,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:19:02,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:19:02,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:19:02,761 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_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2022-12-14 08:19:02,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:19:02,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:19:02,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:19:02,971 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:19:02,971 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:19:02,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-12-14 08:19:05,634 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:19:05,992 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:19:05,992 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-12-14 08:19:06,013 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/bin/utaipan-gh47qXpMRh/data/f2d8d8195/3205f98a2a89458687180efa59971dc9/FLAG0a1273efe [2022-12-14 08:19:06,024 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/bin/utaipan-gh47qXpMRh/data/f2d8d8195/3205f98a2a89458687180efa59971dc9 [2022-12-14 08:19:06,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:19:06,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:19:06,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:19:06,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:19:06,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:19:06,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:19:06" (1/1) ... [2022-12-14 08:19:06,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d80c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:06, skipping insertion in model container [2022-12-14 08:19:06,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:19:06" (1/1) ... [2022-12-14 08:19:06,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:19:06,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:19:06,493 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 08:19:06,499 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 08:19:06,514 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 08:19:06,587 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 08:19:06,702 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 08:19:06,707 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 08:19:06,711 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 08:19:06,715 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 08:19:06,776 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 08:19:06,777 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 08:19:06,782 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 08:19:06,788 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 08:19:06,874 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-12-14 08:19:06,893 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:06,894 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:19:06,895 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:19:06,895 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 08:19:06,899 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:06,900 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 08:19:06,922 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-12-14 08:19:06,965 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:19:07,014 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-12-14 08:19:07,044 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-14 08:19:07,070 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-12-14 08:19:07,073 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-12-14 08:19:07,124 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 08:19:07,124 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 08:19:07,131 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:19:07,132 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,210 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 08:19:07,210 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-12-14 08:19:07,300 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 08:19:07,310 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 08:19:07,311 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 08:19:07,311 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 08:19:07,312 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:19:07,313 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 08:19:07,313 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 08:19:07,314 WARN L623 FunctionHandler]: Unknown extern function skb_copy_datagram_iovec [2022-12-14 08:19:07,314 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,319 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:19:07,319 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,319 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 08:19:07,328 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-12-14 08:19:07,329 WARN L623 FunctionHandler]: Unknown extern function sk_chk_filter [2022-12-14 08:19:07,329 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:19:07,334 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:19:07,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,335 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,335 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:19:07,336 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,336 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-14 08:19:07,337 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-14 08:19:07,338 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,338 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,338 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:19:07,339 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,340 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,342 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,342 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,343 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,343 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,344 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,345 WARN L623 FunctionHandler]: Unknown extern function slhc_init [2022-12-14 08:19:07,346 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,346 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-12-14 08:19:07,348 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:19:07,349 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:19:07,350 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,351 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,353 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:19:07,353 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,354 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,354 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,355 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:19:07,356 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,356 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,357 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,361 WARN L623 FunctionHandler]: Unknown extern function idr_init [2022-12-14 08:19:07,361 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 08:19:07,362 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:19:07,365 WARN L623 FunctionHandler]: Unknown extern function idr_destroy [2022-12-14 08:19:07,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,369 WARN L623 FunctionHandler]: Unknown extern function register_pernet_device [2022-12-14 08:19:07,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,370 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,370 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-12-14 08:19:07,371 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 08:19:07,372 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-12-14 08:19:07,377 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 08:19:07,378 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 08:19:07,379 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,405 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 08:19:07,412 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 08:19:07,412 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,415 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,415 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:19:07,415 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 08:19:07,416 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,416 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 08:19:07,416 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,417 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,417 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,418 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 08:19:07,419 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-12-14 08:19:07,419 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:19:07,420 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,421 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-12-14 08:19:07,421 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 08:19:07,423 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,424 WARN L623 FunctionHandler]: Unknown extern function slhc_compress [2022-12-14 08:19:07,426 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,427 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,427 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:19:07,428 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 08:19:07,429 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,430 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 08:19:07,430 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:19:07,430 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,431 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,433 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,433 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,443 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:19:07,445 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 08:19:07,446 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 08:19:07,447 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,448 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 08:19:07,449 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 08:19:07,449 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 08:19:07,450 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-12-14 08:19:07,450 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-12-14 08:19:07,454 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,454 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,455 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-12-14 08:19:07,455 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,456 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 08:19:07,456 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,456 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 08:19:07,457 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:19:07,457 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-12-14 08:19:07,457 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-12-14 08:19:07,458 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-12-14 08:19:07,459 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,460 WARN L623 FunctionHandler]: Unknown extern function slhc_toss [2022-12-14 08:19:07,462 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-12-14 08:19:07,462 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,462 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:19:07,463 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-14 08:19:07,463 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,464 WARN L623 FunctionHandler]: Unknown extern function slhc_uncompress [2022-12-14 08:19:07,464 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:19:07,465 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:19:07,465 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-14 08:19:07,466 WARN L623 FunctionHandler]: Unknown extern function slhc_remember [2022-12-14 08:19:07,466 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,467 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 08:19:07,467 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,468 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 08:19:07,468 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:19:07,469 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-14 08:19:07,469 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 08:19:07,469 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-12-14 08:19:07,470 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:19:07,470 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,471 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-12-14 08:19:07,471 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,472 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,472 WARN L623 FunctionHandler]: Unknown extern function skb_pull_rcsum [2022-12-14 08:19:07,472 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 08:19:07,472 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,474 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-12-14 08:19:07,474 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,475 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,475 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,475 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:19:07,475 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 08:19:07,479 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 08:19:07,479 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 08:19:07,480 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,482 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,482 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,484 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,485 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,486 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:19:07,487 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,488 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:19:07,491 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-12-14 08:19:07,492 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:19:07,492 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-12-14 08:19:07,493 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-12-14 08:19:07,494 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-12-14 08:19:07,494 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-12-14 08:19:07,495 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-12-14 08:19:07,495 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 08:19:07,496 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 08:19:07,496 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:19:07,496 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:19:07,498 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-12-14 08:19:07,512 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:19:07,513 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:19:07,515 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-12-14 08:19:07,516 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:19:07,517 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:19:07,517 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:19:07,518 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 08:19:07,518 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 08:19:07,519 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,519 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,519 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,519 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 08:19:07,520 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:19:07,520 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:19:07,521 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 08:19:07,521 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:19:07,521 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,522 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,522 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,523 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-12-14 08:19:07,523 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 08:19:07,523 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 08:19:07,523 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 08:19:07,523 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:19:07,523 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:19:07,524 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,524 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 08:19:07,526 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:19:07,526 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-12-14 08:19:07,527 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-12-14 08:19:07,527 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,528 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-12-14 08:19:07,528 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-12-14 08:19:07,528 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:19:07,529 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:19:07,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,530 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 08:19:07,530 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 08:19:07,530 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:19:07,533 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,534 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,534 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 08:19:07,535 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 08:19:07,535 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-12-14 08:19:07,538 WARN L623 FunctionHandler]: Unknown extern function idr_pre_get [2022-12-14 08:19:07,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,539 WARN L623 FunctionHandler]: Unknown extern function idr_get_new_above [2022-12-14 08:19:07,539 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-12-14 08:19:07,540 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-12-14 08:19:07,540 WARN L623 FunctionHandler]: Unknown extern function idr_find [2022-12-14 08:19:07,555 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 08:19:07,556 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 08:19:07,556 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 08:19:07,557 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 08:19:07,561 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-12-14 08:19:07,567 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-12-14 08:19:07,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:19:07,614 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:19:07,677 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 08:19:07,678 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 08:19:07,678 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 08:19:07,681 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 08:19:07,684 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 08:19:07,684 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 08:19:07,685 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 08:19:07,685 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 08:19:07,686 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 08:19:07,686 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 08:19:07,687 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 08:19:07,687 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 08:19:07,688 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-12-14 08:19:07,689 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,690 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:19:07,690 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:19:07,691 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 08:19:07,691 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,692 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 08:19:07,692 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-12-14 08:19:07,700 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:19:07,706 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-12-14 08:19:07,710 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-14 08:19:07,711 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-12-14 08:19:07,712 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-12-14 08:19:07,715 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 08:19:07,716 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 08:19:07,717 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:19:07,717 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,721 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 08:19:07,722 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-12-14 08:19:07,726 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 08:19:07,728 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 08:19:07,729 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 08:19:07,729 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 08:19:07,730 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:19:07,731 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 08:19:07,731 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 08:19:07,732 WARN L623 FunctionHandler]: Unknown extern function skb_copy_datagram_iovec [2022-12-14 08:19:07,733 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,734 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:19:07,735 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,735 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 08:19:07,739 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-12-14 08:19:07,740 WARN L623 FunctionHandler]: Unknown extern function sk_chk_filter [2022-12-14 08:19:07,740 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:19:07,745 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:19:07,746 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,746 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,747 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:19:07,747 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,748 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-14 08:19:07,749 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-14 08:19:07,749 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,750 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,750 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:19:07,751 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,752 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,753 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,753 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,753 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,754 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,755 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,755 WARN L623 FunctionHandler]: Unknown extern function slhc_init [2022-12-14 08:19:07,756 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,757 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-12-14 08:19:07,759 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:19:07,760 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:19:07,760 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,761 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,763 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:19:07,764 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,765 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,765 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,766 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:19:07,766 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,767 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:19:07,768 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,770 WARN L623 FunctionHandler]: Unknown extern function idr_init [2022-12-14 08:19:07,770 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 08:19:07,770 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:19:07,771 WARN L623 FunctionHandler]: Unknown extern function idr_destroy [2022-12-14 08:19:07,772 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,772 WARN L623 FunctionHandler]: Unknown extern function register_pernet_device [2022-12-14 08:19:07,772 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,773 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,773 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-12-14 08:19:07,774 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 08:19:07,775 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-12-14 08:19:07,776 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 08:19:07,776 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 08:19:07,777 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,782 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 08:19:07,784 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 08:19:07,784 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,785 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,785 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:19:07,785 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 08:19:07,786 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,786 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 08:19:07,786 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,786 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,786 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,787 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 08:19:07,787 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-12-14 08:19:07,788 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:19:07,789 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,789 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-12-14 08:19:07,790 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 08:19:07,791 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,792 WARN L623 FunctionHandler]: Unknown extern function slhc_compress [2022-12-14 08:19:07,793 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,793 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,794 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:19:07,795 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 08:19:07,795 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,796 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 08:19:07,796 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:19:07,797 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,798 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,799 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,799 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,804 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:19:07,806 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 08:19:07,806 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 08:19:07,807 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,808 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 08:19:07,809 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 08:19:07,809 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 08:19:07,810 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-12-14 08:19:07,810 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-12-14 08:19:07,810 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,811 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,811 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-12-14 08:19:07,811 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,812 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 08:19:07,812 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,812 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 08:19:07,812 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:19:07,813 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-12-14 08:19:07,813 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-12-14 08:19:07,814 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-12-14 08:19:07,814 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,815 WARN L623 FunctionHandler]: Unknown extern function slhc_toss [2022-12-14 08:19:07,817 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-12-14 08:19:07,817 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,817 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:19:07,818 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-14 08:19:07,818 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,818 WARN L623 FunctionHandler]: Unknown extern function slhc_uncompress [2022-12-14 08:19:07,819 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:19:07,820 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:19:07,820 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-14 08:19:07,821 WARN L623 FunctionHandler]: Unknown extern function slhc_remember [2022-12-14 08:19:07,821 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,822 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 08:19:07,823 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,823 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 08:19:07,823 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:19:07,824 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-14 08:19:07,824 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 08:19:07,825 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-12-14 08:19:07,825 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:19:07,826 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,826 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-12-14 08:19:07,827 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,827 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,827 WARN L623 FunctionHandler]: Unknown extern function skb_pull_rcsum [2022-12-14 08:19:07,831 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 08:19:07,832 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,833 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-12-14 08:19:07,833 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,834 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,834 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,834 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 08:19:07,834 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 08:19:07,837 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 08:19:07,837 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 08:19:07,838 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,840 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,840 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,843 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,843 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,844 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:19:07,845 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,846 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 08:19:07,870 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-12-14 08:19:07,870 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:19:07,870 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-12-14 08:19:07,872 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-12-14 08:19:07,872 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-12-14 08:19:07,872 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-12-14 08:19:07,873 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-12-14 08:19:07,873 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 08:19:07,873 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 08:19:07,874 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:19:07,874 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:19:07,875 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-12-14 08:19:07,885 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:19:07,885 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:19:07,888 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-12-14 08:19:07,889 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:19:07,889 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:19:07,889 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:19:07,890 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 08:19:07,890 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 08:19:07,890 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,891 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,891 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,891 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 08:19:07,892 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:19:07,892 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:19:07,892 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 08:19:07,893 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:19:07,893 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,894 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,894 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 08:19:07,895 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-12-14 08:19:07,895 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 08:19:07,895 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 08:19:07,895 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 08:19:07,895 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:19:07,896 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:19:07,896 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 08:19:07,896 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 08:19:07,899 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:19:07,899 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-12-14 08:19:07,900 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-12-14 08:19:07,900 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:19:07,900 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-12-14 08:19:07,900 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-12-14 08:19:07,900 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:19:07,901 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:19:07,901 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,902 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 08:19:07,902 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 08:19:07,902 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:19:07,902 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,903 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 08:19:07,903 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 08:19:07,903 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-12-14 08:19:07,904 WARN L623 FunctionHandler]: Unknown extern function idr_pre_get [2022-12-14 08:19:07,904 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:19:07,904 WARN L623 FunctionHandler]: Unknown extern function idr_get_new_above [2022-12-14 08:19:07,905 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-12-14 08:19:07,905 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-12-14 08:19:07,905 WARN L623 FunctionHandler]: Unknown extern function idr_find [2022-12-14 08:19:07,906 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 08:19:07,906 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 08:19:07,907 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 08:19:07,907 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 08:19:07,908 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-12-14 08:19:07,908 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-12-14 08:19:07,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:19:08,078 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:19:08,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:08 WrapperNode [2022-12-14 08:19:08,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:19:08,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:19:08,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:19:08,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:19:08,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:08" (1/1) ... [2022-12-14 08:19:08,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:08" (1/1) ... [2022-12-14 08:19:08,225 INFO L138 Inliner]: procedures = 301, calls = 1795, calls flagged for inlining = 144, calls inlined = 114, statements flattened = 4258 [2022-12-14 08:19:08,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:19:08,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:19:08,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:19:08,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:19:08,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:08" (1/1) ... [2022-12-14 08:19:08,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:08" (1/1) ... [2022-12-14 08:19:08,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:08" (1/1) ... [2022-12-14 08:19:08,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:08" (1/1) ... [2022-12-14 08:19:08,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:08" (1/1) ... [2022-12-14 08:19:08,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:08" (1/1) ... [2022-12-14 08:19:08,309 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:08" (1/1) ... [2022-12-14 08:19:08,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:08" (1/1) ... [2022-12-14 08:19:08,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:19:08,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:19:08,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:19:08,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:19:08,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:08" (1/1) ... [2022-12-14 08:19:08,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:19:08,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:19:08,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:19:08,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:19:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-12-14 08:19:08,392 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-12-14 08:19:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-12-14 08:19:08,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-12-14 08:19:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-12-14 08:19:08,392 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-12-14 08:19:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-12-14 08:19:08,392 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-12-14 08:19:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-12-14 08:19:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-12-14 08:19:08,392 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-12-14 08:19:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 08:19:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-12-14 08:19:08,392 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-12-14 08:19:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 08:19:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-12-14 08:19:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-12-14 08:19:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-12-14 08:19:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-12-14 08:19:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-12-14 08:19:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-12-14 08:19:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-12-14 08:19:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-12-14 08:19:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-12-14 08:19:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-12-14 08:19:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 08:19:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 08:19:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-14 08:19:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-14 08:19:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 08:19:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 08:19:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 08:19:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 08:19:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-12-14 08:19:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-12-14 08:19:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-12-14 08:19:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-12-14 08:19:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-12-14 08:19:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-12-14 08:19:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-12-14 08:19:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-12-14 08:19:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 08:19:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 08:19:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-12-14 08:19:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-12-14 08:19:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-12-14 08:19:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-12-14 08:19:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-12-14 08:19:08,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-12-14 08:19:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 08:19:08,395 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 08:19:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 08:19:08,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 08:19:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-12-14 08:19:08,395 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-12-14 08:19:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 08:19:08,395 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 08:19:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-12-14 08:19:08,395 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-12-14 08:19:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-12-14 08:19:08,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-12-14 08:19:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-12-14 08:19:08,395 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-12-14 08:19:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2022-12-14 08:19:08,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2022-12-14 08:19:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:19:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 08:19:08,396 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 08:19:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-12-14 08:19:08,396 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-12-14 08:19:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 08:19:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-12-14 08:19:08,396 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-12-14 08:19:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-14 08:19:08,396 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-14 08:19:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-12-14 08:19:08,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-12-14 08:19:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:19:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 08:19:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-12-14 08:19:08,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-12-14 08:19:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 08:19:08,397 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 08:19:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-12-14 08:19:08,397 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-12-14 08:19:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 08:19:08,397 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 08:19:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-14 08:19:08,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-14 08:19:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-12-14 08:19:08,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-12-14 08:19:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2022-12-14 08:19:08,397 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2022-12-14 08:19:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 08:19:08,397 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 08:19:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 08:19:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 08:19:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 08:19:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 08:19:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-12-14 08:19:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-12-14 08:19:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-12-14 08:19:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-12-14 08:19:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 08:19:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 08:19:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-12-14 08:19:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-12-14 08:19:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 08:19:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 08:19:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 08:19:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-12-14 08:19:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-12-14 08:19:08,399 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 08:19:08,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 08:19:08,399 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-12-14 08:19:08,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-12-14 08:19:08,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 08:19:08,399 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-12-14 08:19:08,399 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-12-14 08:19:08,399 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-12-14 08:19:08,399 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-12-14 08:19:08,399 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2022-12-14 08:19:08,399 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2022-12-14 08:19:08,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:19:08,399 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 08:19:08,399 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 08:19:08,399 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-12-14 08:19:08,399 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-12-14 08:19:08,400 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-12-14 08:19:08,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-12-14 08:19:08,400 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-12-14 08:19:08,400 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-12-14 08:19:08,400 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-12-14 08:19:08,400 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-12-14 08:19:08,400 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-12-14 08:19:08,400 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-12-14 08:19:08,400 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-12-14 08:19:08,400 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-12-14 08:19:08,400 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 08:19:08,400 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 08:19:08,400 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-12-14 08:19:08,400 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-12-14 08:19:08,400 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-12-14 08:19:08,400 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-12-14 08:19:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:19:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 08:19:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 08:19:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-12-14 08:19:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-12-14 08:19:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-12-14 08:19:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-12-14 08:19:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-12-14 08:19:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-12-14 08:19:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-12-14 08:19:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-12-14 08:19:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 08:19:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 08:19:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 08:19:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-12-14 08:19:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-12-14 08:19:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:19:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 08:19:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 08:19:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 08:19:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 08:19:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-12-14 08:19:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-12-14 08:19:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 08:19:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 08:19:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-12-14 08:19:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-12-14 08:19:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-14 08:19:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-14 08:19:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 08:19:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 08:19:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 08:19:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 08:19:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-12-14 08:19:08,403 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-12-14 08:19:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-14 08:19:08,403 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-14 08:19:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-12-14 08:19:08,403 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-12-14 08:19:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-14 08:19:08,403 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-14 08:19:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-12-14 08:19:08,403 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-12-14 08:19:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 08:19:08,403 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 08:19:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-12-14 08:19:08,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-12-14 08:19:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 08:19:08,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 08:19:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2022-12-14 08:19:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2022-12-14 08:19:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-12-14 08:19:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-12-14 08:19:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2022-12-14 08:19:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2022-12-14 08:19:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:19:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-12-14 08:19:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-12-14 08:19:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 08:19:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 08:19:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:19:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:19:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-12-14 08:19:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-12-14 08:19:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 08:19:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 08:19:08,892 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:19:08,895 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:19:09,426 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-12-14 08:19:09,426 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-12-14 08:19:10,136 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 08:19:10,139 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 08:19:10,141 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 08:19:10,564 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2022-12-14 08:19:10,565 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2022-12-14 08:19:10,565 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##256: assume !false; [2022-12-14 08:19:10,565 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##255: assume false; [2022-12-14 08:19:10,565 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume !false; [2022-12-14 08:19:10,565 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume false; [2022-12-14 08:19:10,565 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume !false; [2022-12-14 08:19:10,565 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##212: assume false; [2022-12-14 08:19:10,565 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2022-12-14 08:19:10,565 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2022-12-14 08:19:10,566 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2022-12-14 08:19:10,566 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2022-12-14 08:19:10,566 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2022-12-14 08:19:10,566 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2022-12-14 08:19:10,566 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2022-12-14 08:19:10,566 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2022-12-14 08:19:10,566 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2022-12-14 08:19:10,566 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2022-12-14 08:19:10,566 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2022-12-14 08:19:10,566 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2022-12-14 08:19:10,567 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-12-14 08:19:10,567 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2022-12-14 08:19:10,567 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2022-12-14 08:19:10,567 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2022-12-14 08:19:10,567 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2022-12-14 08:19:10,567 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-12-14 08:19:10,567 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2022-12-14 08:19:10,567 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2022-12-14 08:19:10,567 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2022-12-14 08:19:10,567 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2022-12-14 08:19:10,568 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-12-14 08:19:10,568 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-12-14 08:19:10,720 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 08:19:10,727 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 08:19:11,328 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446: SUMMARY for call ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset := get_current(); srcloc: null [2022-12-14 08:19:11,329 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446-1: ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset := ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;havoc ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;ppp_read_~__ptr~0#1.base, ppp_read_~__ptr~0#1.offset := ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset; [2022-12-14 08:19:11,329 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528-1: ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset := ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;havoc ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;ppp_read_~__ptr___3~0#1.base, ppp_read_~__ptr___3~0#1.offset := ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset; [2022-12-14 08:19:11,329 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528: SUMMARY for call ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset := get_current(); srcloc: null [2022-12-14 08:19:11,329 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2022-12-14 08:19:11,329 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2022-12-14 08:19:11,329 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2022-12-14 08:19:11,329 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2022-12-14 08:19:11,329 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-12-14 08:19:11,329 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-12-14 08:19:11,329 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2022-12-14 08:19:11,329 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2022-12-14 08:19:11,371 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:19:12,085 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:19:12,085 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-12-14 08:19:12,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:19:12 BoogieIcfgContainer [2022-12-14 08:19:12,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:19:12,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:19:12,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:19:12,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:19:12,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:19:06" (1/3) ... [2022-12-14 08:19:12,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f52800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:19:12, skipping insertion in model container [2022-12-14 08:19:12,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:08" (2/3) ... [2022-12-14 08:19:12,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f52800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:19:12, skipping insertion in model container [2022-12-14 08:19:12,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:19:12" (3/3) ... [2022-12-14 08:19:12,094 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-12-14 08:19:12,109 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:19:12,109 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 08:19:12,162 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:19:12,167 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;@3b7b61b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:19:12,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 08:19:12,173 INFO L276 IsEmpty]: Start isEmpty. Operand has 1129 states, 702 states have (on average 1.378917378917379) internal successors, (968), 737 states have internal predecessors, (968), 331 states have call successors, (331), 96 states have call predecessors, (331), 96 states have return successors, (331), 323 states have call predecessors, (331), 331 states have call successors, (331) [2022-12-14 08:19:12,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 08:19:12,180 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:19:12,180 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:19:12,180 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:19:12,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:19:12,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1436386724, now seen corresponding path program 1 times [2022-12-14 08:19:12,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:19:12,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63328262] [2022-12-14 08:19:12,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:19:12,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:19:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:19:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:19:12,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:19:12,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63328262] [2022-12-14 08:19:12,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63328262] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:19:12,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:19:12,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:19:12,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591551733] [2022-12-14 08:19:12,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:19:12,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:19:12,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:19:12,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:19:12,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:19:12,510 INFO L87 Difference]: Start difference. First operand has 1129 states, 702 states have (on average 1.378917378917379) internal successors, (968), 737 states have internal predecessors, (968), 331 states have call successors, (331), 96 states have call predecessors, (331), 96 states have return successors, (331), 323 states have call predecessors, (331), 331 states have call successors, (331) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:19:14,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:15,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:19:15,888 INFO L93 Difference]: Finished difference Result 3306 states and 4828 transitions. [2022-12-14 08:19:15,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:19:15,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 08:19:15,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:19:15,912 INFO L225 Difference]: With dead ends: 3306 [2022-12-14 08:19:15,912 INFO L226 Difference]: Without dead ends: 2174 [2022-12-14 08:19:15,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 08:19:15,922 INFO L413 NwaCegarLoop]: 2111 mSDtfsCounter, 1541 mSDsluCounter, 1400 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 3511 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:19:15,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 3511 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 449 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 08:19:15,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2174 states. [2022-12-14 08:19:16,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2174 to 2158. [2022-12-14 08:19:16,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2158 states, 1340 states have (on average 1.3656716417910448) internal successors, (1830), 1408 states have internal predecessors, (1830), 632 states have call successors, (632), 186 states have call predecessors, (632), 185 states have return successors, (633), 613 states have call predecessors, (633), 630 states have call successors, (633) [2022-12-14 08:19:16,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 2158 states and 3095 transitions. [2022-12-14 08:19:16,066 INFO L78 Accepts]: Start accepts. Automaton has 2158 states and 3095 transitions. Word has length 9 [2022-12-14 08:19:16,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:19:16,066 INFO L495 AbstractCegarLoop]: Abstraction has 2158 states and 3095 transitions. [2022-12-14 08:19:16,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:19:16,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 3095 transitions. [2022-12-14 08:19:16,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-14 08:19:16,073 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:19:16,073 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 08:19:16,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:19:16,074 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:19:16,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:19:16,074 INFO L85 PathProgramCache]: Analyzing trace with hash -89673443, now seen corresponding path program 1 times [2022-12-14 08:19:16,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:19:16,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761211889] [2022-12-14 08:19:16,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:19:16,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:19:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:19:16,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 08:19:16,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:19:16,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761211889] [2022-12-14 08:19:16,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761211889] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:19:16,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:19:16,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:19:16,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173496753] [2022-12-14 08:19:16,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:19:16,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:19:16,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:19:16,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:19:16,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:19:16,251 INFO L87 Difference]: Start difference. First operand 2158 states and 3095 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 08:19:18,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:19,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:19:19,443 INFO L93 Difference]: Finished difference Result 4515 states and 6520 transitions. [2022-12-14 08:19:19,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:19:19,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 60 [2022-12-14 08:19:19,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:19:19,455 INFO L225 Difference]: With dead ends: 4515 [2022-12-14 08:19:19,455 INFO L226 Difference]: Without dead ends: 2375 [2022-12-14 08:19:19,462 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 08:19:19,463 INFO L413 NwaCegarLoop]: 1443 mSDtfsCounter, 118 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 2826 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:19:19,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 2826 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 406 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-12-14 08:19:19,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2375 states. [2022-12-14 08:19:19,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2375 to 2359. [2022-12-14 08:19:19,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2359 states, 1487 states have (on average 1.3732347007397445) internal successors, (2042), 1557 states have internal predecessors, (2042), 686 states have call successors, (686), 186 states have call predecessors, (686), 185 states have return successors, (688), 667 states have call predecessors, (688), 684 states have call successors, (688) [2022-12-14 08:19:19,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 2359 states and 3416 transitions. [2022-12-14 08:19:19,568 INFO L78 Accepts]: Start accepts. Automaton has 2359 states and 3416 transitions. Word has length 60 [2022-12-14 08:19:19,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:19:19,569 INFO L495 AbstractCegarLoop]: Abstraction has 2359 states and 3416 transitions. [2022-12-14 08:19:19,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 08:19:19,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2359 states and 3416 transitions. [2022-12-14 08:19:19,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 08:19:19,573 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:19:19,573 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:19:19,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:19:19,574 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:19:19,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:19:19,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1509358114, now seen corresponding path program 1 times [2022-12-14 08:19:19,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:19:19,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361440374] [2022-12-14 08:19:19,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:19:19,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:19:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:19:56,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 08:19:56,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:19:56,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361440374] [2022-12-14 08:19:56,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361440374] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:19:56,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:19:56,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:19:56,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644264288] [2022-12-14 08:19:56,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:19:56,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:19:56,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:19:56,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:19:56,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:19:56,443 INFO L87 Difference]: Start difference. First operand 2359 states and 3416 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 08:19:58,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:59,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:19:59,766 INFO L93 Difference]: Finished difference Result 4734 states and 6878 transitions. [2022-12-14 08:19:59,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:19:59,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 58 [2022-12-14 08:19:59,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:19:59,786 INFO L225 Difference]: With dead ends: 4734 [2022-12-14 08:19:59,786 INFO L226 Difference]: Without dead ends: 3507 [2022-12-14 08:19:59,794 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 08:19:59,795 INFO L413 NwaCegarLoop]: 1723 mSDtfsCounter, 1506 mSDsluCounter, 1395 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 3118 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:19:59,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 3118 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 392 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 08:19:59,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3507 states. [2022-12-14 08:19:59,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3507 to 3491. [2022-12-14 08:19:59,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3491 states, 2202 states have (on average 1.3737511353315168) internal successors, (3025), 2305 states have internal predecessors, (3025), 1015 states have call successors, (1015), 274 states have call predecessors, (1015), 273 states have return successors, (1021), 988 states have call predecessors, (1021), 1013 states have call successors, (1021) [2022-12-14 08:19:59,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 3491 states and 5061 transitions. [2022-12-14 08:19:59,921 INFO L78 Accepts]: Start accepts. Automaton has 3491 states and 5061 transitions. Word has length 58 [2022-12-14 08:19:59,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:19:59,921 INFO L495 AbstractCegarLoop]: Abstraction has 3491 states and 5061 transitions. [2022-12-14 08:19:59,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 08:19:59,921 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 5061 transitions. [2022-12-14 08:19:59,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 08:19:59,925 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:19:59,925 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 08:19:59,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 08:19:59,925 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:19:59,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:19:59,925 INFO L85 PathProgramCache]: Analyzing trace with hash 436547506, now seen corresponding path program 1 times [2022-12-14 08:19:59,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:19:59,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424836333] [2022-12-14 08:19:59,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:19:59,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:20:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:20:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 08:20:00,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:20:00,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424836333] [2022-12-14 08:20:00,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424836333] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:20:00,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:20:00,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:20:00,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136441244] [2022-12-14 08:20:00,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:20:00,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:20:00,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:20:00,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:20:00,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:20:00,258 INFO L87 Difference]: Start difference. First operand 3491 states and 5061 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-12-14 08:20:02,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:03,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:20:03,626 INFO L93 Difference]: Finished difference Result 6967 states and 10102 transitions. [2022-12-14 08:20:03,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:20:03,627 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 75 [2022-12-14 08:20:03,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:20:03,641 INFO L225 Difference]: With dead ends: 6967 [2022-12-14 08:20:03,641 INFO L226 Difference]: Without dead ends: 3491 [2022-12-14 08:20:03,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 08:20:03,653 INFO L413 NwaCegarLoop]: 1414 mSDtfsCounter, 3 mSDsluCounter, 4236 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:20:03,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5650 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 791 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 08:20:03,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3491 states. [2022-12-14 08:20:03,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3491 to 3491. [2022-12-14 08:20:03,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3491 states, 2202 states have (on average 1.3728428701180744) internal successors, (3023), 2303 states have internal predecessors, (3023), 1015 states have call successors, (1015), 274 states have call predecessors, (1015), 273 states have return successors, (1021), 988 states have call predecessors, (1021), 1013 states have call successors, (1021) [2022-12-14 08:20:03,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 3491 states and 5059 transitions. [2022-12-14 08:20:03,791 INFO L78 Accepts]: Start accepts. Automaton has 3491 states and 5059 transitions. Word has length 75 [2022-12-14 08:20:03,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:20:03,791 INFO L495 AbstractCegarLoop]: Abstraction has 3491 states and 5059 transitions. [2022-12-14 08:20:03,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-12-14 08:20:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 5059 transitions. [2022-12-14 08:20:03,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-14 08:20:03,797 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:20:03,797 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 08:20:03,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 08:20:03,797 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:20:03,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:20:03,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1728754274, now seen corresponding path program 1 times [2022-12-14 08:20:03,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:20:03,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257464460] [2022-12-14 08:20:03,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:20:03,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:20:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:20:03,996 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 08:20:03,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:20:03,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257464460] [2022-12-14 08:20:03,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257464460] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:20:03,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963895780] [2022-12-14 08:20:03,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:20:03,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:20:03,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:20:03,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:20:03,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f08d8607-21fd-4c28-a06b-ab41be4cfbfb/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 08:20:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:20:05,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 08:20:05,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:20:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 08:20:05,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:20:05,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 08:20:05,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963895780] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:20:05,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2015718163] [2022-12-14 08:20:05,345 INFO L159 IcfgInterpreter]: Started Sifa with 77 locations of interest [2022-12-14 08:20:05,345 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:20:05,348 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:20:05,353 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:20:05,353 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:20:06,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:20:08,213 INFO L321 Elim1Store]: treesize reduction 690, result has 47.4 percent of original size [2022-12-14 08:20:08,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 70 select indices, 70 select index equivalence classes, 2417 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 69 case distinctions, treesize of input 357 treesize of output 842 [2022-12-14 08:20:09,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:20:09,046 INFO L217 Elim1Store]: Index analysis took 123 ms [2022-12-14 08:20:11,677 INFO L321 Elim1Store]: treesize reduction 1242, result has 33.4 percent of original size [2022-12-14 08:20:11,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 72 select indices, 72 select index equivalence classes, 2487 disjoint index pairs (out of 2556 index pairs), introduced 72 new quantified variables, introduced 138 case distinctions, treesize of input 367 treesize of output 853 [2022-12-14 08:20:18,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:20:18,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 71 select indices, 71 select index equivalence classes, 2486 disjoint index pairs (out of 2485 index pairs), introduced 71 new quantified variables, introduced 0 case distinctions, treesize of input 356 treesize of output 214 [2022-12-14 08:20:18,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:20:18,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 72 select indices, 72 select index equivalence classes, 2556 disjoint index pairs (out of 2556 index pairs), introduced 72 new quantified variables, introduced 0 case distinctions, treesize of input 361 treesize of output 217 [2022-12-14 08:20:21,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:20:21,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 72 select indices, 72 select index equivalence classes, 2556 disjoint index pairs (out of 2556 index pairs), introduced 72 new quantified variables, introduced 0 case distinctions, treesize of input 361 treesize of output 217 [2022-12-14 08:20:22,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:20:22,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 71 select indices, 71 select index equivalence classes, 2486 disjoint index pairs (out of 2485 index pairs), introduced 71 new quantified variables, introduced 0 case distinctions, treesize of input 356 treesize of output 214 [2022-12-14 08:20:30,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 70 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5