./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 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/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_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-38b53e6 [2022-11-26 00:54:48,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:54:48,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:54:48,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:54:48,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:54:48,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:54:48,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:54:48,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:54:48,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:54:48,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:54:48,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:54:48,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:54:48,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:54:48,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:54:48,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:54:48,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:54:48,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:54:48,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:54:48,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:54:48,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:54:48,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:54:48,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:54:48,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:54:48,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:54:49,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:54:49,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:54:49,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:54:49,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:54:49,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:54:49,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:54:49,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:54:49,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:54:49,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:54:49,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:54:49,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:54:49,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:54:49,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:54:49,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:54:49,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:54:49,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:54:49,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:54:49,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:54:49,068 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:54:49,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:54:49,069 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:54:49,070 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:54:49,071 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:54:49,071 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:54:49,071 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:54:49,072 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:54:49,072 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:54:49,072 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:54:49,073 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:54:49,074 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:54:49,074 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:54:49,074 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:54:49,074 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:54:49,075 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:54:49,075 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:54:49,075 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:54:49,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:54:49,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:54:49,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:54:49,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:54:49,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:54:49,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:54:49,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:54:49,078 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:54:49,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:54:49,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:54:49,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:54:49,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:54:49,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:54:49,079 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:54:49,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:54:49,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:54:49,080 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:54:49,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:54:49,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:54:49,081 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:54:49,081 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_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2022-11-26 00:54:49,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:54:49,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:54:49,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:54:49,404 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:54:49,404 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:54:49,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-11-26 00:54:52,558 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:54:53,229 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:54:53,229 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-11-26 00:54:53,279 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/data/5fc323465/cb13c06962da438d9a38c6c2ba216c3c/FLAGe84dddd27 [2022-11-26 00:54:53,299 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/data/5fc323465/cb13c06962da438d9a38c6c2ba216c3c [2022-11-26 00:54:53,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:54:53,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:54:53,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:54:53,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:54:53,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:54:53,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:54:53" (1/1) ... [2022-11-26 00:54:53,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351e11d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:53, skipping insertion in model container [2022-11-26 00:54:53,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:54:53" (1/1) ... [2022-11-26 00:54:53,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:54:53,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:54:54,054 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:54:54,061 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:54:54,080 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:54:54,190 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:54:54,369 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:54:54,376 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-26 00:54:54,382 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:54:54,388 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-26 00:54:54,472 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:54,474 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:54:54,480 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-26 00:54:54,491 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-26 00:54:54,609 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-26 00:54:54,636 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:54,637 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:54:54,641 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:54:54,644 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 00:54:54,650 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:54,651 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:54:54,688 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-26 00:54:54,760 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:54:54,838 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-26 00:54:54,899 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-26 00:54:54,940 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-11-26 00:54:54,944 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-11-26 00:54:55,009 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 00:54:55,010 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 00:54:55,020 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:54:55,022 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:55,129 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:55,130 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-26 00:54:55,263 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:54:55,281 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-26 00:54:55,283 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:54:55,283 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:54:55,286 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:54:55,287 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:54:55,288 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-26 00:54:55,289 WARN L623 FunctionHandler]: Unknown extern function skb_copy_datagram_iovec [2022-11-26 00:54:55,290 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,297 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:54:55,298 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,299 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:54:55,314 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-26 00:54:55,315 WARN L623 FunctionHandler]: Unknown extern function sk_chk_filter [2022-11-26 00:54:55,316 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:55,323 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:54:55,325 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:55,325 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:55,326 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:54:55,327 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:55,329 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-26 00:54:55,331 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-26 00:54:55,331 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:55,332 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:55,333 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:54:55,335 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:55,336 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:55,339 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:55,340 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:55,342 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:55,343 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:55,345 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:55,346 WARN L623 FunctionHandler]: Unknown extern function slhc_init [2022-11-26 00:54:55,347 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:55,348 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-26 00:54:55,352 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:55,353 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:55,354 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:55,356 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:55,358 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:54:55,359 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:55,361 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:55,362 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:55,362 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:54:55,363 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:55,364 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:55,366 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:55,372 WARN L623 FunctionHandler]: Unknown extern function idr_init [2022-11-26 00:54:55,373 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:54:55,373 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:54:55,379 WARN L623 FunctionHandler]: Unknown extern function idr_destroy [2022-11-26 00:54:55,385 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:55,385 WARN L623 FunctionHandler]: Unknown extern function register_pernet_device [2022-11-26 00:54:55,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:55,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:55,388 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-11-26 00:54:55,389 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-26 00:54:55,391 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-26 00:54:55,398 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:54:55,400 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:54:55,401 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,419 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:54:55,427 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-26 00:54:55,427 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:55,430 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,431 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:54:55,431 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:54:55,431 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,432 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-26 00:54:55,432 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:55,433 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,433 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,435 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:54:55,436 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:54:55,437 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:54:55,438 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,439 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:54:55,440 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:54:55,442 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:55,444 WARN L623 FunctionHandler]: Unknown extern function slhc_compress [2022-11-26 00:54:55,445 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,446 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,447 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:54:55,449 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-26 00:54:55,449 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:55,450 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:54:55,451 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:54:55,452 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,454 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,456 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,457 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,486 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:54:55,489 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:54:55,490 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:54:55,491 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:55,493 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:54:55,494 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-11-26 00:54:55,495 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:54:55,495 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:54:55,496 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:54:55,501 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,502 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,502 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:54:55,502 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,504 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:54:55,504 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,505 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:54:55,505 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:54:55,506 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:54:55,508 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:54:55,509 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:54:55,511 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,513 WARN L623 FunctionHandler]: Unknown extern function slhc_toss [2022-11-26 00:54:55,516 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-26 00:54:55,517 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:55,519 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:54:55,521 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-11-26 00:54:55,521 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,522 WARN L623 FunctionHandler]: Unknown extern function slhc_uncompress [2022-11-26 00:54:55,524 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:54:55,526 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:54:55,528 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-26 00:54:55,531 WARN L623 FunctionHandler]: Unknown extern function slhc_remember [2022-11-26 00:54:55,531 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:55,537 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:54:55,538 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,538 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:54:55,539 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:54:55,540 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-26 00:54:55,540 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:54:55,541 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:54:55,542 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:54:55,543 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,544 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:54:55,545 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,546 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,546 WARN L623 FunctionHandler]: Unknown extern function skb_pull_rcsum [2022-11-26 00:54:55,550 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 00:54:55,550 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,552 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-26 00:54:55,553 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:55,556 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,556 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,556 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:54:55,557 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:54:55,566 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:54:55,567 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:54:55,568 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,624 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,624 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,627 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:55,633 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,635 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:54:55,639 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,641 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:54:55,646 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-11-26 00:54:55,650 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:54:55,651 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-11-26 00:54:55,653 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:54:55,656 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:54:55,657 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:54:55,658 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:54:55,660 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-26 00:54:55,661 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-26 00:54:55,662 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:54:55,663 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:54:55,672 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-26 00:54:55,694 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:54:55,694 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:55,700 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-11-26 00:54:55,701 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:54:55,702 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:54:55,702 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:54:55,703 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:54:55,704 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:54:55,704 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:55,705 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:55,705 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:55,705 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:54:55,708 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:54:55,709 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:54:55,709 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:54:55,714 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:54:55,715 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:55,715 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:55,716 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:55,716 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-26 00:54:55,717 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:54:55,717 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:54:55,717 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:54:55,717 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:55,718 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:55,718 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:55,718 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:54:55,721 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:54:55,721 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-26 00:54:55,723 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-26 00:54:55,723 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:55,723 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-26 00:54:55,724 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-26 00:54:55,724 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:54:55,725 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:54:55,726 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:55,726 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:54:55,726 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:54:55,728 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:55,732 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:55,732 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:55,733 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-26 00:54:55,733 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:54:55,734 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-26 00:54:55,739 WARN L623 FunctionHandler]: Unknown extern function idr_pre_get [2022-11-26 00:54:55,741 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:55,742 WARN L623 FunctionHandler]: Unknown extern function idr_get_new_above [2022-11-26 00:54:55,743 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-26 00:54:55,743 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-26 00:54:55,744 WARN L623 FunctionHandler]: Unknown extern function idr_find [2022-11-26 00:54:55,762 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:54:55,763 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:54:55,764 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:54:55,764 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:54:55,771 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-11-26 00:54:55,780 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-11-26 00:54:55,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:54:55,848 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:54:55,951 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:54:55,952 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:54:55,952 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:54:55,955 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:54:55,958 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:54:55,958 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-26 00:54:55,959 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:54:55,959 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-26 00:54:55,964 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:55,965 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:54:55,965 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-26 00:54:55,965 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-26 00:54:55,970 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-26 00:54:55,971 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:55,971 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:54:55,971 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:54:55,972 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 00:54:55,973 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:55,977 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:54:55,978 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-26 00:54:55,986 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:54:55,996 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-26 00:54:56,006 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-26 00:54:56,008 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-11-26 00:54:56,008 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-11-26 00:54:56,011 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 00:54:56,011 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 00:54:56,015 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:54:56,016 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:56,023 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:54:56,024 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-26 00:54:56,028 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:54:56,031 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-26 00:54:56,032 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:54:56,032 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:54:56,034 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:54:56,039 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:54:56,039 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-26 00:54:56,040 WARN L623 FunctionHandler]: Unknown extern function skb_copy_datagram_iovec [2022-11-26 00:54:56,040 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,042 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:54:56,042 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,042 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:54:56,045 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-26 00:54:56,045 WARN L623 FunctionHandler]: Unknown extern function sk_chk_filter [2022-11-26 00:54:56,046 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:56,050 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:54:56,051 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:56,051 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:56,052 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:54:56,056 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:56,056 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-26 00:54:56,057 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-26 00:54:56,058 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:56,058 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:56,059 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:54:56,060 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:56,060 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:56,061 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:56,062 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:56,062 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:56,063 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:56,066 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:56,066 WARN L623 FunctionHandler]: Unknown extern function slhc_init [2022-11-26 00:54:56,140 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:56,140 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-26 00:54:56,142 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:56,143 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:56,143 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:56,144 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:56,145 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:54:56,146 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:56,147 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:56,147 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:56,147 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:54:56,148 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:56,148 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:54:56,149 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:56,151 WARN L623 FunctionHandler]: Unknown extern function idr_init [2022-11-26 00:54:56,151 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:54:56,152 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:54:56,152 WARN L623 FunctionHandler]: Unknown extern function idr_destroy [2022-11-26 00:54:56,153 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:56,153 WARN L623 FunctionHandler]: Unknown extern function register_pernet_device [2022-11-26 00:54:56,153 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:56,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:56,154 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-11-26 00:54:56,158 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-26 00:54:56,159 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-26 00:54:56,160 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:54:56,161 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:54:56,161 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,170 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:54:56,172 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-26 00:54:56,172 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:56,173 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,174 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:54:56,174 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:54:56,174 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,174 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-26 00:54:56,175 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:56,175 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,175 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,176 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:54:56,176 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:54:56,177 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:54:56,182 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,183 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:54:56,183 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:54:56,184 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:56,185 WARN L623 FunctionHandler]: Unknown extern function slhc_compress [2022-11-26 00:54:56,186 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,186 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,187 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:54:56,188 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-26 00:54:56,189 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:56,190 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:54:56,190 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:54:56,190 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,191 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,193 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,193 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,204 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:54:56,206 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:54:56,207 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:54:56,208 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:56,209 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:54:56,210 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-11-26 00:54:56,210 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:54:56,211 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:54:56,211 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:54:56,212 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,212 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,213 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:54:56,213 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,214 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:54:56,214 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,215 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:54:56,215 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:54:56,215 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:54:56,216 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:54:56,217 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:54:56,217 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,218 WARN L623 FunctionHandler]: Unknown extern function slhc_toss [2022-11-26 00:54:56,220 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-26 00:54:56,223 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:56,223 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:54:56,224 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-11-26 00:54:56,224 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,224 WARN L623 FunctionHandler]: Unknown extern function slhc_uncompress [2022-11-26 00:54:56,225 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:54:56,226 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:54:56,226 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-26 00:54:56,227 WARN L623 FunctionHandler]: Unknown extern function slhc_remember [2022-11-26 00:54:56,228 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:56,229 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:54:56,230 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,230 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:54:56,230 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:54:56,231 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-26 00:54:56,232 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:54:56,232 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:54:56,232 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:54:56,233 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,234 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:54:56,234 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,235 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,235 WARN L623 FunctionHandler]: Unknown extern function skb_pull_rcsum [2022-11-26 00:54:56,240 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 00:54:56,240 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,242 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-26 00:54:56,242 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:56,243 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,244 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,244 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:54:56,244 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:54:56,247 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:54:56,248 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:54:56,249 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,251 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,251 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,254 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:56,255 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,257 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:54:56,258 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,259 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:54:56,267 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-11-26 00:54:56,267 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:54:56,267 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-11-26 00:54:56,269 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:54:56,269 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:54:56,270 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:54:56,271 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:54:56,271 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-26 00:54:56,272 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-26 00:54:56,272 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:54:56,272 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:54:56,275 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-26 00:54:56,285 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:54:56,286 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:56,289 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-11-26 00:54:56,290 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:54:56,291 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:54:56,291 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:54:56,292 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:54:56,292 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:54:56,293 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:56,293 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:56,294 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:56,294 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:54:56,295 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:54:56,295 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:54:56,296 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:54:56,296 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:54:56,296 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:56,297 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:56,297 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:54:56,298 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-26 00:54:56,298 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:54:56,298 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:54:56,299 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:54:56,299 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:56,299 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:56,299 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:54:56,300 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:54:56,302 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:54:56,302 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-26 00:54:56,303 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-26 00:54:56,304 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:54:56,304 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-26 00:54:56,304 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-26 00:54:56,305 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:54:56,305 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:54:56,306 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:56,306 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:54:56,307 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:54:56,307 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:54:56,307 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:56,309 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:56,309 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-26 00:54:56,310 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:54:56,310 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-26 00:54:56,310 WARN L623 FunctionHandler]: Unknown extern function idr_pre_get [2022-11-26 00:54:56,311 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:54:56,311 WARN L623 FunctionHandler]: Unknown extern function idr_get_new_above [2022-11-26 00:54:56,312 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-26 00:54:56,312 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-26 00:54:56,313 WARN L623 FunctionHandler]: Unknown extern function idr_find [2022-11-26 00:54:56,313 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:54:56,314 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:54:56,315 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:54:56,315 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:54:56,316 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-11-26 00:54:56,317 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-11-26 00:54:56,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:54:56,634 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:54:56,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:56 WrapperNode [2022-11-26 00:54:56,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:54:56,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:54:56,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:54:56,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:54:56,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:56" (1/1) ... [2022-11-26 00:54:56,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:56" (1/1) ... [2022-11-26 00:54:56,916 INFO L138 Inliner]: procedures = 301, calls = 1795, calls flagged for inlining = 144, calls inlined = 114, statements flattened = 4258 [2022-11-26 00:54:56,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:54:56,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:54:56,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:54:56,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:54:56,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:56" (1/1) ... [2022-11-26 00:54:56,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:56" (1/1) ... [2022-11-26 00:54:56,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:56" (1/1) ... [2022-11-26 00:54:56,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:56" (1/1) ... [2022-11-26 00:54:57,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:56" (1/1) ... [2022-11-26 00:54:57,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:56" (1/1) ... [2022-11-26 00:54:57,105 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:56" (1/1) ... [2022-11-26 00:54:57,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:56" (1/1) ... [2022-11-26 00:54:57,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:54:57,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:54:57,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:54:57,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:54:57,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:56" (1/1) ... [2022-11-26 00:54:57,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:54:57,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:54:57,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:54:57,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:54:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-11-26 00:54:57,241 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-11-26 00:54:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-26 00:54:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-26 00:54:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-26 00:54:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-26 00:54:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-11-26 00:54:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-11-26 00:54:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-26 00:54:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-11-26 00:54:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-11-26 00:54:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:54:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-26 00:54:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-26 00:54:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:54:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-26 00:54:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-26 00:54:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-26 00:54:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-26 00:54:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-11-26 00:54:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-11-26 00:54:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-11-26 00:54:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-11-26 00:54:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-11-26 00:54:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-11-26 00:54:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-26 00:54:57,245 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-26 00:54:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-26 00:54:57,245 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-26 00:54:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-26 00:54:57,245 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-26 00:54:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:54:57,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:54:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-11-26 00:54:57,246 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-11-26 00:54:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-26 00:54:57,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-26 00:54:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-11-26 00:54:57,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-11-26 00:54:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-11-26 00:54:57,246 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-11-26 00:54:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-26 00:54:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-26 00:54:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-11-26 00:54:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-11-26 00:54:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-11-26 00:54:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-11-26 00:54:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-26 00:54:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-26 00:54:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-26 00:54:57,248 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-26 00:54:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:54:57,248 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:54:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-11-26 00:54:57,248 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-11-26 00:54:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:54:57,249 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:54:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-11-26 00:54:57,249 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-11-26 00:54:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-11-26 00:54:57,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-11-26 00:54:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-11-26 00:54:57,250 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-11-26 00:54:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2022-11-26 00:54:57,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2022-11-26 00:54:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:54:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 00:54:57,250 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 00:54:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-26 00:54:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-26 00:54:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:54:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-26 00:54:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-26 00:54:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-26 00:54:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-26 00:54:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-26 00:54:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-26 00:54:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:54:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:54:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-11-26 00:54:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-11-26 00:54:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-26 00:54:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-26 00:54:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-26 00:54:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-26 00:54:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-26 00:54:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-26 00:54:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-26 00:54:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-26 00:54:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-11-26 00:54:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-11-26 00:54:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2022-11-26 00:54:57,254 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2022-11-26 00:54:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-26 00:54:57,254 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-26 00:54:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-26 00:54:57,254 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-26 00:54:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-26 00:54:57,254 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-26 00:54:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-11-26 00:54:57,255 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-11-26 00:54:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-11-26 00:54:57,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-11-26 00:54:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-26 00:54:57,255 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-26 00:54:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-26 00:54:57,256 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-26 00:54:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:54:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-26 00:54:57,256 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-26 00:54:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-11-26 00:54:57,256 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-11-26 00:54:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-26 00:54:57,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-26 00:54:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-11-26 00:54:57,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-11-26 00:54:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:54:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-11-26 00:54:57,257 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-11-26 00:54:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-26 00:54:57,258 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-26 00:54:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2022-11-26 00:54:57,258 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2022-11-26 00:54:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:54:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-26 00:54:57,259 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-26 00:54:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-26 00:54:57,259 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-26 00:54:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-11-26 00:54:57,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-11-26 00:54:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-11-26 00:54:57,260 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-11-26 00:54:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-11-26 00:54:57,260 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-11-26 00:54:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-11-26 00:54:57,260 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-11-26 00:54:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-11-26 00:54:57,260 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-11-26 00:54:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:54:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:54:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-11-26 00:54:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-11-26 00:54:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-11-26 00:54:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-11-26 00:54:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:54:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-26 00:54:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-26 00:54:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-26 00:54:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-26 00:54:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-26 00:54:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-26 00:54:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-11-26 00:54:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-11-26 00:54:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-11-26 00:54:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-11-26 00:54:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:54:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-26 00:54:57,263 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-26 00:54:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-26 00:54:57,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-26 00:54:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:54:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-26 00:54:57,263 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-26 00:54:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:54:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-26 00:54:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-11-26 00:54:57,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-11-26 00:54:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:54:57,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:54:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-26 00:54:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-26 00:54:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-26 00:54:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-26 00:54:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-26 00:54:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-26 00:54:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-26 00:54:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-26 00:54:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-11-26 00:54:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-11-26 00:54:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-26 00:54:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-26 00:54:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-26 00:54:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-26 00:54:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-26 00:54:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-26 00:54:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-11-26 00:54:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-11-26 00:54:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-26 00:54:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-26 00:54:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-11-26 00:54:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-11-26 00:54:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:54:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:54:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2022-11-26 00:54:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2022-11-26 00:54:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-11-26 00:54:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-11-26 00:54:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2022-11-26 00:54:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2022-11-26 00:54:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:54:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-11-26 00:54:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-11-26 00:54:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-26 00:54:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-26 00:54:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:54:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:54:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-26 00:54:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-26 00:54:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 00:54:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 00:54:58,146 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:54:58,150 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:54:58,961 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-11-26 00:54:58,961 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-11-26 00:55:00,043 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:55:00,046 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:55:00,049 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:55:00,792 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2022-11-26 00:55:00,792 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2022-11-26 00:55:00,792 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##256: assume !false; [2022-11-26 00:55:00,792 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##255: assume false; [2022-11-26 00:55:00,793 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume !false; [2022-11-26 00:55:00,793 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume false; [2022-11-26 00:55:00,793 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume !false; [2022-11-26 00:55:00,793 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##212: assume false; [2022-11-26 00:55:00,793 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2022-11-26 00:55:00,794 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2022-11-26 00:55:00,794 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2022-11-26 00:55:00,794 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2022-11-26 00:55:00,794 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2022-11-26 00:55:00,794 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2022-11-26 00:55:00,794 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2022-11-26 00:55:00,795 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2022-11-26 00:55:00,795 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2022-11-26 00:55:00,795 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2022-11-26 00:55:00,795 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2022-11-26 00:55:00,795 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2022-11-26 00:55:00,796 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-11-26 00:55:00,796 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2022-11-26 00:55:00,796 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2022-11-26 00:55:00,796 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2022-11-26 00:55:00,796 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2022-11-26 00:55:00,796 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-11-26 00:55:00,797 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2022-11-26 00:55:00,797 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2022-11-26 00:55:00,797 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2022-11-26 00:55:00,797 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2022-11-26 00:55:00,797 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-11-26 00:55:00,797 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-11-26 00:55:01,009 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:55:01,016 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:55:01,980 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 [2022-11-26 00:55:01,980 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; [2022-11-26 00:55:01,980 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; [2022-11-26 00:55:01,980 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 [2022-11-26 00:55:01,980 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2022-11-26 00:55:01,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2022-11-26 00:55:01,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2022-11-26 00:55:01,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2022-11-26 00:55:01,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-11-26 00:55:01,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-11-26 00:55:01,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2022-11-26 00:55:01,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2022-11-26 00:55:02,083 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:55:03,339 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:55:03,340 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-26 00:55:03,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:55:03 BoogieIcfgContainer [2022-11-26 00:55:03,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:55:03,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:55:03,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:55:03,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:55:03,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:54:53" (1/3) ... [2022-11-26 00:55:03,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608c9d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:55:03, skipping insertion in model container [2022-11-26 00:55:03,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:56" (2/3) ... [2022-11-26 00:55:03,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608c9d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:55:03, skipping insertion in model container [2022-11-26 00:55:03,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:55:03" (3/3) ... [2022-11-26 00:55:03,359 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-11-26 00:55:03,379 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:55:03,379 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:55:03,474 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:55:03,482 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;@7fa18ecb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:55:03,482 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:55:03,491 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) [2022-11-26 00:55:03,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:55:03,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:03,499 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:03,500 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:55:03,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:03,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1687210942, now seen corresponding path program 1 times [2022-11-26 00:55:03,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:03,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565912183] [2022-11-26 00:55:03,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:03,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:03,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:55:03,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:03,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565912183] [2022-11-26 00:55:03,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565912183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:03,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:03,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:55:03,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876083388] [2022-11-26 00:55:03,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:03,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:55:03,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:04,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:55:04,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:55:04,027 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) [2022-11-26 00:55:06,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:08,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:08,167 INFO L93 Difference]: Finished difference Result 3306 states and 4828 transitions. [2022-11-26 00:55:08,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:55:08,170 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 [2022-11-26 00:55:08,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:08,206 INFO L225 Difference]: With dead ends: 3306 [2022-11-26 00:55:08,206 INFO L226 Difference]: Without dead ends: 2174 [2022-11-26 00:55:08,218 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 [2022-11-26 00:55:08,222 INFO L413 NwaCegarLoop]: 2111 mSDtfsCounter, 1541 mSDsluCounter, 1400 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 3.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:08,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 3511 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 449 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-11-26 00:55:08,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2174 states. [2022-11-26 00:55:08,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2174 to 2158. [2022-11-26 00:55:08,468 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) [2022-11-26 00:55:08,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 2158 states and 3095 transitions. [2022-11-26 00:55:08,494 INFO L78 Accepts]: Start accepts. Automaton has 2158 states and 3095 transitions. Word has length 9 [2022-11-26 00:55:08,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:08,494 INFO L495 AbstractCegarLoop]: Abstraction has 2158 states and 3095 transitions. [2022-11-26 00:55:08,495 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) [2022-11-26 00:55:08,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 3095 transitions. [2022-11-26 00:55:08,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-26 00:55:08,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:08,515 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] [2022-11-26 00:55:08,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:55:08,516 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:55:08,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:08,516 INFO L85 PathProgramCache]: Analyzing trace with hash -956393947, now seen corresponding path program 1 times [2022-11-26 00:55:08,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:08,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551064173] [2022-11-26 00:55:08,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:08,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:08,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:55:08,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:08,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551064173] [2022-11-26 00:55:08,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551064173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:08,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:08,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:55:08,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406717435] [2022-11-26 00:55:08,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:08,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:55:08,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:08,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:55:08,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:55:08,917 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) [2022-11-26 00:55:11,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:12,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:12,599 INFO L93 Difference]: Finished difference Result 4515 states and 6520 transitions. [2022-11-26 00:55:12,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:55:12,600 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 [2022-11-26 00:55:12,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:12,620 INFO L225 Difference]: With dead ends: 4515 [2022-11-26 00:55:12,620 INFO L226 Difference]: Without dead ends: 2375 [2022-11-26 00:55:12,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:55:12,633 INFO L413 NwaCegarLoop]: 1443 mSDtfsCounter, 118 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:12,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 2826 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 406 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-26 00:55:12,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2375 states. [2022-11-26 00:55:12,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2375 to 2359. [2022-11-26 00:55:12,790 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) [2022-11-26 00:55:12,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 2359 states and 3416 transitions. [2022-11-26 00:55:12,817 INFO L78 Accepts]: Start accepts. Automaton has 2359 states and 3416 transitions. Word has length 60 [2022-11-26 00:55:12,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:12,818 INFO L495 AbstractCegarLoop]: Abstraction has 2359 states and 3416 transitions. [2022-11-26 00:55:12,818 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) [2022-11-26 00:55:12,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2359 states and 3416 transitions. [2022-11-26 00:55:12,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-26 00:55:12,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:12,827 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] [2022-11-26 00:55:12,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:55:12,829 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:55:12,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:12,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1135784990, now seen corresponding path program 1 times [2022-11-26 00:55:12,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:12,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798897902] [2022-11-26 00:55:12,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:12,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:12,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:56:12,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:12,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798897902] [2022-11-26 00:56:12,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798897902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:12,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:12,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:56:12,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408479351] [2022-11-26 00:56:12,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:12,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:56:12,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:12,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:56:12,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:12,207 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) [2022-11-26 00:56:15,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:16,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:16,579 INFO L93 Difference]: Finished difference Result 4734 states and 6878 transitions. [2022-11-26 00:56:16,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:56:16,580 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 [2022-11-26 00:56:16,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:16,601 INFO L225 Difference]: With dead ends: 4734 [2022-11-26 00:56:16,602 INFO L226 Difference]: Without dead ends: 3507 [2022-11-26 00:56:16,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:16,612 INFO L413 NwaCegarLoop]: 1723 mSDtfsCounter, 1506 mSDsluCounter, 1395 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 3118 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:16,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 3118 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 393 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-26 00:56:16,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3507 states. [2022-11-26 00:56:16,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3507 to 3491. [2022-11-26 00:56:16,811 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) [2022-11-26 00:56:16,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 3491 states and 5061 transitions. [2022-11-26 00:56:16,843 INFO L78 Accepts]: Start accepts. Automaton has 3491 states and 5061 transitions. Word has length 58 [2022-11-26 00:56:16,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:16,844 INFO L495 AbstractCegarLoop]: Abstraction has 3491 states and 5061 transitions. [2022-11-26 00:56:16,844 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) [2022-11-26 00:56:16,845 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 5061 transitions. [2022-11-26 00:56:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-26 00:56:16,852 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:16,852 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:16,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:56:16,853 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:56:16,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:16,853 INFO L85 PathProgramCache]: Analyzing trace with hash -2047285096, now seen corresponding path program 1 times [2022-11-26 00:56:16,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:16,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481130109] [2022-11-26 00:56:16,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:16,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:17,559 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:56:17,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:17,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481130109] [2022-11-26 00:56:17,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481130109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:17,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:17,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:56:17,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546632793] [2022-11-26 00:56:17,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:17,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:56:17,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:17,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:56:17,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:56:17,563 INFO L87 Difference]: Start difference. First operand 3491 states and 5061 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-26 00:56:20,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:24,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:24,151 INFO L93 Difference]: Finished difference Result 6967 states and 10102 transitions. [2022-11-26 00:56:24,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:56:24,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 73 [2022-11-26 00:56:24,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:24,179 INFO L225 Difference]: With dead ends: 6967 [2022-11-26 00:56:24,180 INFO L226 Difference]: Without dead ends: 3491 [2022-11-26 00:56:24,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:56:24,199 INFO L413 NwaCegarLoop]: 1414 mSDtfsCounter, 3 mSDsluCounter, 4236 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:24,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5650 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 794 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-11-26 00:56:24,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3491 states. [2022-11-26 00:56:24,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3491 to 3491. [2022-11-26 00:56:24,434 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) [2022-11-26 00:56:24,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 3491 states and 5059 transitions. [2022-11-26 00:56:24,466 INFO L78 Accepts]: Start accepts. Automaton has 3491 states and 5059 transitions. Word has length 73 [2022-11-26 00:56:24,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:24,469 INFO L495 AbstractCegarLoop]: Abstraction has 3491 states and 5059 transitions. [2022-11-26 00:56:24,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-26 00:56:24,470 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 5059 transitions. [2022-11-26 00:56:24,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-26 00:56:24,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:24,478 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:24,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:56:24,478 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:56:24,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:24,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1033325568, now seen corresponding path program 1 times [2022-11-26 00:56:24,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:24,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580726960] [2022-11-26 00:56:24,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:24,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:56:25,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:25,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580726960] [2022-11-26 00:56:25,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580726960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:25,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:25,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:56:25,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590598080] [2022-11-26 00:56:25,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:25,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:56:25,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:25,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:56:25,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:56:25,487 INFO L87 Difference]: Start difference. First operand 3491 states and 5059 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-26 00:56:27,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:31,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:31,253 INFO L93 Difference]: Finished difference Result 6990 states and 10194 transitions. [2022-11-26 00:56:31,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:56:31,254 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 86 [2022-11-26 00:56:31,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:31,277 INFO L225 Difference]: With dead ends: 6990 [2022-11-26 00:56:31,277 INFO L226 Difference]: Without dead ends: 3518 [2022-11-26 00:56:31,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:56:31,294 INFO L413 NwaCegarLoop]: 1414 mSDtfsCounter, 7 mSDsluCounter, 3970 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5384 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:31,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5384 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1067 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-11-26 00:56:31,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3518 states. [2022-11-26 00:56:31,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3518 to 3503. [2022-11-26 00:56:31,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3503 states, 2211 states have (on average 1.3726820443238354) internal successors, (3035), 2312 states have internal predecessors, (3035), 1018 states have call successors, (1018), 274 states have call predecessors, (1018), 273 states have return successors, (1024), 991 states have call predecessors, (1024), 1016 states have call successors, (1024) [2022-11-26 00:56:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3503 states to 3503 states and 5077 transitions. [2022-11-26 00:56:31,536 INFO L78 Accepts]: Start accepts. Automaton has 3503 states and 5077 transitions. Word has length 86 [2022-11-26 00:56:31,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:31,537 INFO L495 AbstractCegarLoop]: Abstraction has 3503 states and 5077 transitions. [2022-11-26 00:56:31,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-26 00:56:31,537 INFO L276 IsEmpty]: Start isEmpty. Operand 3503 states and 5077 transitions. [2022-11-26 00:56:31,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-26 00:56:31,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:31,542 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:31,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:56:31,543 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:56:31,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:31,544 INFO L85 PathProgramCache]: Analyzing trace with hash -488877976, now seen corresponding path program 1 times [2022-11-26 00:56:31,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:31,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076179218] [2022-11-26 00:56:31,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:31,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:56:32,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:56:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:56:32,548 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 00:56:32,549 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:56:32,550 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 00:56:32,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:56:32,555 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-26 00:56:32,559 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:56:32,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:56:32 BoogieIcfgContainer [2022-11-26 00:56:32,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:56:32,680 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:56:32,680 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:56:32,680 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:56:32,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:55:03" (3/4) ... [2022-11-26 00:56:32,686 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 00:56:32,686 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:56:32,686 INFO L158 Benchmark]: Toolchain (without parser) took 99382.59ms. Allocated memory was 134.2MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 76.4MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 832.2MB. Max. memory is 16.1GB. [2022-11-26 00:56:32,687 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:56:32,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3327.05ms. Allocated memory was 134.2MB in the beginning and 276.8MB in the end (delta: 142.6MB). Free memory was 76.4MB in the beginning and 135.6MB in the end (delta: -59.3MB). Peak memory consumption was 105.3MB. Max. memory is 16.1GB. [2022-11-26 00:56:32,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 280.77ms. Allocated memory is still 276.8MB. Free memory was 135.6MB in the beginning and 196.4MB in the end (delta: -60.8MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2022-11-26 00:56:32,688 INFO L158 Benchmark]: Boogie Preprocessor took 233.02ms. Allocated memory is still 276.8MB. Free memory was 196.4MB in the beginning and 170.2MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 00:56:32,688 INFO L158 Benchmark]: RCFGBuilder took 6195.78ms. Allocated memory was 276.8MB in the beginning and 400.6MB in the end (delta: 123.7MB). Free memory was 170.2MB in the beginning and 179.6MB in the end (delta: -9.4MB). Peak memory consumption was 176.2MB. Max. memory is 16.1GB. [2022-11-26 00:56:32,690 INFO L158 Benchmark]: TraceAbstraction took 89329.79ms. Allocated memory was 400.6MB in the beginning and 3.3GB in the end (delta: 2.9GB). Free memory was 178.5MB in the beginning and 2.4GB in the end (delta: -2.2GB). Peak memory consumption was 748.9MB. Max. memory is 16.1GB. [2022-11-26 00:56:32,691 INFO L158 Benchmark]: Witness Printer took 5.89ms. Allocated memory is still 3.3GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 939.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:56:32,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3327.05ms. Allocated memory was 134.2MB in the beginning and 276.8MB in the end (delta: 142.6MB). Free memory was 76.4MB in the beginning and 135.6MB in the end (delta: -59.3MB). Peak memory consumption was 105.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 280.77ms. Allocated memory is still 276.8MB. Free memory was 135.6MB in the beginning and 196.4MB in the end (delta: -60.8MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 233.02ms. Allocated memory is still 276.8MB. Free memory was 196.4MB in the beginning and 170.2MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 6195.78ms. Allocated memory was 276.8MB in the beginning and 400.6MB in the end (delta: 123.7MB). Free memory was 170.2MB in the beginning and 179.6MB in the end (delta: -9.4MB). Peak memory consumption was 176.2MB. Max. memory is 16.1GB. * TraceAbstraction took 89329.79ms. Allocated memory was 400.6MB in the beginning and 3.3GB in the end (delta: 2.9GB). Free memory was 178.5MB in the beginning and 2.4GB in the end (delta: -2.2GB). Peak memory consumption was 748.9MB. Max. memory is 16.1GB. * Witness Printer took 5.89ms. Allocated memory is still 3.3GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 939.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167, overapproximation of bitwiseOr at line 7938, overapproximation of bitwiseAnd at line 7939, overapproximation of bitwiseComplement at line 7045. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 [L10649] FCALL ldv_initialize() [L10650] CALL, EXPR ppp_init() [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; [L7690] CALL, EXPR register_pernet_device(& ppp_net_ops) [L11180] return __VERIFIER_nondet_int(); [L7690] RET, EXPR register_pernet_device(& ppp_net_ops) [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L7700] CALL, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L5879] int tmp ; [L5882] CALL, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L11003] return __VERIFIER_nondet_int(); [L5882] RET, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); [L7700] RET, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L7710] CALL, EXPR __class_create(& __this_module, "ppp", & __key) [L10972] CALL, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [\old(size)=128, \result={0:0}, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, size=128] [L10972] RET, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={18446744073709551869:18446744073709551877}, arg0={18446744073709551869:18446744073709551877}, arg0={18446744073709551869:18446744073709551877}, arg1={20:0}, arg1={20:0}, arg2={91:0}, arg2={91:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct class))={0:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] RET, EXPR __class_create(& __this_module, "ppp", & __key) [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp VAL [__key={91:0}, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] CALL, EXPR IS_ERR((void const *)ppp_class) VAL [__this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}] [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); [L7712] RET, EXPR IS_ERR((void const *)ppp_class) VAL [__key={91:0}, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, IS_ERR((void const *)ppp_class)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [\result=0, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}, tmp___1=0] [L10650] RET, EXPR ppp_init() [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___1=-2] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2] [L10753] CALL ppp_ioctl(var_group1, var_ppp_ioctl_9_p1, var_ppp_ioctl_9_p2) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [\old(arg)=18446744073709551612, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, arg=18446744073709551612, argp={0:-4}, channel_count={62:0}, cmd=1074033753, code={95:0}, code___0={89:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551890:-3}, file={18446744073709551890:-3}, idle={93:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={92:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-4}, pf={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=18446744073709551612, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, arg=18446744073709551612, argp={0:-4}, channel_count={62:0}, cmd=1074033753, code={95:0}, code___0={89:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551890:-3}, file={18446744073709551890:-3}, idle={93:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={92:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-4}, pf={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=18446744073709551612, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, arg=18446744073709551612, argp={0:-4}, channel_count={62:0}, cmd=1074033753, code={95:0}, code___0={89:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551890:-3}, file={18446744073709551890:-3}, idle={93:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={92:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-4}, pf={18446744073709551854:-237}, pf->kind=-4294967295, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [\old(arg)=18446744073709551612, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, arg=18446744073709551612, argp={0:-4}, channel_count={62:0}, cmd=1074033753, code={95:0}, code___0={89:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551890:-3}, file={18446744073709551890:-3}, idle={93:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={92:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-4}, pf={18446744073709551854:-237}, pf->kind=-4294967295, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6923] COND FALSE !((unsigned int )pf->kind != 1U) [L6931] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [\old(arg)=18446744073709551612, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, arg=18446744073709551612, argp={0:-4}, channel_count={62:0}, cmd=1074033753, code={95:0}, code___0={89:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551890:-3}, file={18446744073709551890:-3}, idle={93:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={92:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-4}, pf={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6932] __mptr___1 = (struct ppp_file const *)pf [L6933] ppp = (struct ppp *)__mptr___1 VAL [\old(arg)=18446744073709551612, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __this_module={18446744073709551869:18446744073709551877}, arg=18446744073709551612, argp={0:-4}, channel_count={62:0}, cmd=1074033753, code={95:0}, code___0={89:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551890:-3}, file={18446744073709551890:-3}, idle={93:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={92:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-4}, pf={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [\old(arg)=18446744073709551612, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __this_module={18446744073709551869:18446744073709551877}, arg=18446744073709551612, argp={0:-4}, channel_count={62:0}, cmd=1074033753, code={95:0}, code___0={89:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551890:-3}, file={18446744073709551890:-3}, idle={93:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={92:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-4}, pf={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6938] COND TRUE (int )cmd == 1074033753 VAL [\old(arg)=18446744073709551612, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __this_module={18446744073709551869:18446744073709551877}, arg=18446744073709551612, argp={0:-4}, channel_count={62:0}, cmd=1074033753, code={95:0}, code___0={89:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551890:-3}, file={18446744073709551890:-3}, idle={93:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={92:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-4}, pf={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7014] FCALL might_fault() VAL [\old(arg)=18446744073709551612, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __this_module={18446744073709551869:18446744073709551877}, arg=18446744073709551612, argp={0:-4}, channel_count={62:0}, cmd=1074033753, code={95:0}, code___0={89:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551890:-3}, file={18446744073709551890:-3}, idle={93:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={92:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-4}, pf={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7037] val = (int )__val_gu___1 VAL [\old(arg)=18446744073709551612, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __this_module={18446744073709551869:18446744073709551877}, __val_gu___1=4294967291, arg=18446744073709551612, argp={0:-4}, channel_count={62:0}, cmd=1074033753, code={95:0}, code___0={89:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551890:-3}, file={18446744073709551890:-3}, idle={93:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={92:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-4}, pf={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-5] [L7038] COND FALSE !(__ret_gu___1 != 0) VAL [\old(arg)=18446744073709551612, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __ret_gu___1=0, __this_module={18446744073709551869:18446744073709551877}, __val_gu___1=4294967291, arg=18446744073709551612, argp={0:-4}, channel_count={62:0}, cmd=1074033753, code={95:0}, code___0={89:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551890:-3}, file={18446744073709551890:-3}, idle={93:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={92:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-4}, pf={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-5] [L7043] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7043] RET spin_lock_bh(& ppp->wlock) VAL [\old(arg)=18446744073709551612, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __ret_gu___1=0, __this_module={18446744073709551869:18446744073709551877}, __val_gu___1=4294967291, arg=18446744073709551612, argp={0:-4}, channel_count={62:0}, cmd=1074033753, code={95:0}, code___0={89:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551890:-3}, file={18446744073709551890:-3}, idle={93:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={92:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-4}, pf={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-5] [L7044] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7044] RET spin_lock_bh(& ppp->rlock) VAL [\old(arg)=18446744073709551612, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __ret_gu___1=0, __this_module={18446744073709551869:18446744073709551877}, __val_gu___1=4294967291, arg=18446744073709551612, argp={0:-4}, channel_count={62:0}, cmd=1074033753, code={95:0}, code___0={89:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551890:-3}, file={18446744073709551890:-3}, idle={93:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={92:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-4}, pf={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-5] [L7045] EXPR ppp->flags [L7045] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7046] ppp->flags = (unsigned int )val & 4214508U VAL [\old(arg)=18446744073709551612, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __ret_gu___1=0, __this_module={18446744073709551869:18446744073709551877}, __val_gu___1=4294967291, arg=18446744073709551612, argp={0:-4}, cflags=4294967289, channel_count={62:0}, cmd=1074033753, code={95:0}, code___0={89:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551890:-3}, file={18446744073709551890:-3}, idle={93:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={92:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-4}, pf={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-5] [L7047] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7047] RET spin_unlock_bh(& ppp->rlock) VAL [\old(arg)=18446744073709551612, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __ret_gu___1=0, __this_module={18446744073709551869:18446744073709551877}, __val_gu___1=4294967291, arg=18446744073709551612, argp={0:-4}, cflags=4294967289, channel_count={62:0}, cmd=1074033753, code={95:0}, code___0={89:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551890:-3}, file={18446744073709551890:-3}, idle={93:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={92:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-4}, pf={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-5] [L7048] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7048] RET spin_unlock_bh(& ppp->wlock) VAL [\old(arg)=18446744073709551612, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __ret_gu___1=0, __this_module={18446744073709551869:18446744073709551877}, __val_gu___1=4294967291, arg=18446744073709551612, argp={0:-4}, cflags=4294967289, channel_count={62:0}, cmd=1074033753, code={95:0}, code___0={89:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551890:-3}, file={18446744073709551890:-3}, idle={93:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={92:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-4}, pf={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-5] [L7050] COND TRUE (cflags & 64) != 0 VAL [\old(arg)=18446744073709551612, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __ret_gu___1=0, __this_module={18446744073709551869:18446744073709551877}, __val_gu___1=4294967291, arg=18446744073709551612, argp={0:-4}, cflags=4294967289, channel_count={62:0}, cmd=1074033753, code={95:0}, code___0={89:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551890:-3}, file={18446744073709551890:-3}, idle={93:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={92:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-4}, pf={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-5] [L7052] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9958] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9958] RET spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9959] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9959] RET spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9960] EXPR ppp->flags [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551875:18446744073709551880}, rstate={18446744073709551862:18446744073709551882}, xcomp={18446744073709551544:-18}, xstate={18446744073709551544:73}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9969] RET spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551875:18446744073709551880}, rstate={18446744073709551862:18446744073709551882}, xcomp={18446744073709551544:-18}, xstate={18446744073709551544:73}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9970] RET spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551875:18446744073709551880}, rstate={18446744073709551862:18446744073709551882}, xcomp={18446744073709551544:-18}, xstate={18446744073709551544:73}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551875:18446744073709551880}, rstate={18446744073709551862:18446744073709551882}, xcomp={18446744073709551544:-18}, xcomp->comp_free={-1:12}, xstate={18446744073709551544:73}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7931] dev->netdev_ops = & ppp_netdev_ops [L7932] dev->hard_header_len = (unsigned short)4 [L7933] dev->mtu = 1500U [L7934] dev->addr_len = (unsigned char)0 [L7935] dev->tx_queue_len = 3UL [L7936] dev->type = (unsigned short)512 [L7937] dev->flags = 4240U [L7938] EXPR dev->features [L7938] dev->features = dev->features | 8192U [L7939] EXPR dev->priv_flags [L7939] dev->priv_flags = dev->priv_flags & 4294966271U [L9974] RET (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={18446744073709551854:-237}, ppp={18446744073709551854:-237}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551875:18446744073709551880}, rstate={18446744073709551862:18446744073709551882}, xcomp={18446744073709551544:-18}, xcomp->comp_free={-1:12}, xstate={18446744073709551544:73}] [L9975] EXPR xcomp->owner [L9975] CALL ldv_module_put_5(xcomp->owner) [L10926] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={78:-77}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={78:-77}, module={78:-77}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={78:-77}, module={78:-77}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10848] CALL ldv_blast_assert() VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10809] reach_error() VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551877}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 97 procedures, 1129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 89.1s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 24.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 3216 SdHoareTripleChecker+Valid, 23.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3175 mSDsluCounter, 20489 SdHoareTripleChecker+Invalid, 22.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12384 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3109 IncrementalHoareTripleChecker+Invalid, 3125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 8105 mSDtfsCounter, 3109 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3503occurred in iteration=5, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 63 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 31.0s SatisfiabilityAnalysisTime, 26.6s InterpolantComputationTime, 370 NumberOfCodeBlocks, 370 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 281 ConstructedInterpolants, 0 QuantifiedInterpolants, 535 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 34/34 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-26 00:56:32,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/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_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-38b53e6 [2022-11-26 00:56:35,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:56:35,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:56:35,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:56:35,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:56:35,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:56:35,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:56:35,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:56:35,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:56:35,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:56:35,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:56:35,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:56:35,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:56:35,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:56:35,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:56:35,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:56:35,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:56:35,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:56:35,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:56:35,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:56:35,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:56:35,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:56:35,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:56:35,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:56:35,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:56:35,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:56:35,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:56:35,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:56:35,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:56:35,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:56:35,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:56:35,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:56:35,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:56:35,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:56:35,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:56:35,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:56:35,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:56:35,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:56:35,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:56:35,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:56:35,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:56:35,373 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-26 00:56:35,398 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:56:35,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:56:35,399 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:56:35,399 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:56:35,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:56:35,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:56:35,401 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:56:35,401 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:56:35,401 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:56:35,401 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:56:35,402 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:56:35,402 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:56:35,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:56:35,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:56:35,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:56:35,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:56:35,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:56:35,404 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:56:35,404 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:56:35,404 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:56:35,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:56:35,405 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:56:35,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:56:35,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:56:35,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:56:35,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:56:35,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:56:35,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:56:35,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:56:35,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:56:35,407 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:56:35,407 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:56:35,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:56:35,408 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:56:35,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:56:35,408 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2022-11-26 00:56:35,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:56:35,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:56:35,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:56:35,831 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:56:35,831 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:56:35,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-11-26 00:56:38,961 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:56:39,711 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:56:39,712 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-11-26 00:56:39,747 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/data/0cb04d64c/1a446ead385d4bd7a41f8aef5488fa7b/FLAG035b64f98 [2022-11-26 00:56:39,768 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/data/0cb04d64c/1a446ead385d4bd7a41f8aef5488fa7b [2022-11-26 00:56:39,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:56:39,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:56:39,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:56:39,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:56:39,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:56:39,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:56:39" (1/1) ... [2022-11-26 00:56:39,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d95833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:39, skipping insertion in model container [2022-11-26 00:56:39,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:56:39" (1/1) ... [2022-11-26 00:56:39,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:56:39,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:56:40,462 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:56:40,468 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:56:40,483 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:56:40,562 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:56:40,700 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:56:40,706 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-26 00:56:40,710 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:56:40,715 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-26 00:56:40,783 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:56:40,785 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:56:40,797 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-26 00:56:40,803 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-26 00:56:40,901 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-26 00:56:40,923 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:40,924 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:56:40,925 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:56:40,926 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 00:56:40,931 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:40,932 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:56:40,959 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-26 00:56:41,013 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:56:41,098 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-26 00:56:41,142 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-26 00:56:41,173 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-11-26 00:56:41,178 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-11-26 00:56:41,240 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 00:56:41,241 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 00:56:41,251 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:56:41,264 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:41,378 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:56:41,381 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-26 00:56:41,528 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:56:41,557 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-26 00:56:41,558 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:56:41,559 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:56:41,561 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:56:41,563 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:56:41,563 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-26 00:56:41,564 WARN L623 FunctionHandler]: Unknown extern function skb_copy_datagram_iovec [2022-11-26 00:56:41,565 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,576 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:41,576 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,577 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:41,594 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-26 00:56:41,601 WARN L623 FunctionHandler]: Unknown extern function sk_chk_filter [2022-11-26 00:56:41,605 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:41,618 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:41,625 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:41,626 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:41,626 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:41,628 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:41,629 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-26 00:56:41,633 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-26 00:56:41,634 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:41,635 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:41,637 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:41,639 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:41,642 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:41,651 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:41,652 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:41,653 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:41,654 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:41,659 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:41,662 WARN L623 FunctionHandler]: Unknown extern function slhc_init [2022-11-26 00:56:41,663 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:41,666 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-26 00:56:41,670 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:41,672 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:41,675 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:41,677 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:41,681 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:41,683 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:41,684 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:41,686 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:41,686 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:41,690 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:41,692 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:41,694 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:41,703 WARN L623 FunctionHandler]: Unknown extern function idr_init [2022-11-26 00:56:41,704 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:56:41,704 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:56:41,709 WARN L623 FunctionHandler]: Unknown extern function idr_destroy [2022-11-26 00:56:41,716 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:41,716 WARN L623 FunctionHandler]: Unknown extern function register_pernet_device [2022-11-26 00:56:41,718 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:41,719 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:41,719 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-11-26 00:56:41,723 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-26 00:56:41,727 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-26 00:56:41,735 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:56:41,737 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:41,738 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,772 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:56:41,787 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-26 00:56:41,788 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:41,790 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,790 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:41,790 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:56:41,791 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,791 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-26 00:56:41,792 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:41,806 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,806 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,807 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:56:41,808 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:56:41,811 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:56:41,812 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,813 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:56:41,824 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:56:41,826 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:41,828 WARN L623 FunctionHandler]: Unknown extern function slhc_compress [2022-11-26 00:56:41,829 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,835 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,835 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:41,837 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-26 00:56:41,839 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:41,840 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:41,840 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:41,841 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,843 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,846 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,848 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,872 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:41,878 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:41,879 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:41,881 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:41,883 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:56:41,885 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-11-26 00:56:41,886 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:41,887 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:56:41,887 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:56:41,892 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,893 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,894 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:56:41,894 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,908 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:41,908 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,909 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:56:41,909 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:41,910 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:56:41,911 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:56:41,914 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:56:41,916 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,917 WARN L623 FunctionHandler]: Unknown extern function slhc_toss [2022-11-26 00:56:41,926 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-26 00:56:41,926 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:41,927 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:41,928 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-11-26 00:56:41,929 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,933 WARN L623 FunctionHandler]: Unknown extern function slhc_uncompress [2022-11-26 00:56:41,935 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:56:41,936 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:41,937 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-26 00:56:41,938 WARN L623 FunctionHandler]: Unknown extern function slhc_remember [2022-11-26 00:56:41,938 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:41,940 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:41,941 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,941 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:56:41,948 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:41,949 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-26 00:56:41,949 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:56:41,950 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:56:41,951 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:56:41,953 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,954 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:56:41,955 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,955 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,955 WARN L623 FunctionHandler]: Unknown extern function skb_pull_rcsum [2022-11-26 00:56:41,957 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 00:56:41,957 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,960 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-26 00:56:41,961 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:41,962 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,962 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,963 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:41,963 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:56:41,967 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:56:41,968 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:56:41,969 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,981 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,981 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,986 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:41,986 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,988 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:56:41,993 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:41,994 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:56:42,000 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-11-26 00:56:42,001 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:56:42,001 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-11-26 00:56:42,003 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:56:42,003 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:56:42,004 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:56:42,005 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:56:42,006 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-26 00:56:42,006 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-26 00:56:42,006 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:56:42,007 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:42,010 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-26 00:56:42,034 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:56:42,034 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:42,041 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-11-26 00:56:42,055 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:56:42,056 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:56:42,057 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:42,058 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:56:42,060 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:56:42,061 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:42,061 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:42,062 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:42,062 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:56:42,063 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:56:42,064 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:42,069 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:56:42,070 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:42,070 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:42,071 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:42,071 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:42,073 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-26 00:56:42,073 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:42,074 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:42,074 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:42,074 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:42,074 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:42,075 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,075 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:56:42,080 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:42,080 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-26 00:56:42,083 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-26 00:56:42,084 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:42,085 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-26 00:56:42,085 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-26 00:56:42,086 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:56:42,086 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:42,087 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:42,088 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:42,088 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:42,088 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:42,092 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:42,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:42,094 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-26 00:56:42,094 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:56:42,094 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-26 00:56:42,098 WARN L623 FunctionHandler]: Unknown extern function idr_pre_get [2022-11-26 00:56:42,099 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:42,099 WARN L623 FunctionHandler]: Unknown extern function idr_get_new_above [2022-11-26 00:56:42,100 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-26 00:56:42,101 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-26 00:56:42,101 WARN L623 FunctionHandler]: Unknown extern function idr_find [2022-11-26 00:56:42,119 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:56:42,121 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:56:42,122 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:56:42,123 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:56:42,128 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-11-26 00:56:42,135 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-11-26 00:56:42,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:56:42,221 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-26 00:56:42,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:56:42,444 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:56:42,446 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:56:42,446 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:56:42,448 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:56:42,451 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:56:42,452 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-26 00:56:42,452 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:56:42,452 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-26 00:56:42,456 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:56:42,456 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:56:42,457 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-26 00:56:42,457 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-26 00:56:42,459 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-26 00:56:42,460 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:42,461 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:56:42,461 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:56:42,462 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 00:56:42,463 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:42,464 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:56:42,469 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-26 00:56:42,475 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:56:42,480 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-26 00:56:42,484 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-26 00:56:42,486 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-11-26 00:56:42,486 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-11-26 00:56:42,489 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 00:56:42,490 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 00:56:42,491 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:56:42,493 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:42,497 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:56:42,497 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-26 00:56:42,502 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:56:42,510 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-26 00:56:42,511 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:56:42,511 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:56:42,513 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:56:42,518 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:56:42,519 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-26 00:56:42,520 WARN L623 FunctionHandler]: Unknown extern function skb_copy_datagram_iovec [2022-11-26 00:56:42,551 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,553 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:42,553 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,554 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:42,556 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-26 00:56:42,557 WARN L623 FunctionHandler]: Unknown extern function sk_chk_filter [2022-11-26 00:56:42,557 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:42,559 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:42,560 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:42,561 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:42,587 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:42,588 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:42,588 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-26 00:56:42,589 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-26 00:56:42,590 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:42,590 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:42,591 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:42,592 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:42,593 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:42,594 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:42,595 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:42,596 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:42,596 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:42,600 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:42,601 WARN L623 FunctionHandler]: Unknown extern function slhc_init [2022-11-26 00:56:42,601 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:42,602 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-26 00:56:42,604 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:42,606 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:42,607 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:42,607 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:42,609 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:42,609 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:42,610 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:42,611 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:42,611 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:42,612 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:42,612 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:42,613 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:42,615 WARN L623 FunctionHandler]: Unknown extern function idr_init [2022-11-26 00:56:42,615 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:56:42,616 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:56:42,616 WARN L623 FunctionHandler]: Unknown extern function idr_destroy [2022-11-26 00:56:42,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:42,619 WARN L623 FunctionHandler]: Unknown extern function register_pernet_device [2022-11-26 00:56:42,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:42,620 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:42,621 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-11-26 00:56:42,622 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-26 00:56:42,623 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-26 00:56:42,625 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:56:42,625 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:42,626 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,635 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:56:42,636 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-26 00:56:42,637 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:42,639 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,639 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:42,639 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:56:42,640 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,640 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-26 00:56:42,640 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:42,641 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,641 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,644 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:56:42,644 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:56:42,645 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:56:42,650 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,650 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:56:42,651 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:56:42,652 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:42,653 WARN L623 FunctionHandler]: Unknown extern function slhc_compress [2022-11-26 00:56:42,654 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,655 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,655 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:42,656 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-26 00:56:42,657 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:42,658 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:42,658 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:42,659 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,660 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,661 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,662 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,671 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:42,674 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:42,674 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:42,675 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:42,677 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:56:42,678 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-11-26 00:56:42,678 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:42,679 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:56:42,679 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:56:42,680 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,681 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,681 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:56:42,681 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,683 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:42,683 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,683 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:56:42,684 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:42,684 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:56:42,685 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:56:42,686 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:56:42,687 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,687 WARN L623 FunctionHandler]: Unknown extern function slhc_toss [2022-11-26 00:56:42,690 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-26 00:56:42,690 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:42,691 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:42,691 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-11-26 00:56:42,692 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,692 WARN L623 FunctionHandler]: Unknown extern function slhc_uncompress [2022-11-26 00:56:42,702 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:56:42,703 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:42,704 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-26 00:56:42,705 WARN L623 FunctionHandler]: Unknown extern function slhc_remember [2022-11-26 00:56:42,705 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:42,707 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:42,707 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,707 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:56:42,708 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:42,709 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-26 00:56:42,709 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:56:42,709 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:56:42,710 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:56:42,711 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,711 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:56:42,712 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,713 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,713 WARN L623 FunctionHandler]: Unknown extern function skb_pull_rcsum [2022-11-26 00:56:42,714 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 00:56:42,714 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,716 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-26 00:56:42,716 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:42,717 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,718 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,718 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:42,718 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:56:42,721 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:56:42,722 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:56:42,723 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,726 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,727 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,730 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:42,731 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,733 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:56:42,735 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,736 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:56:42,743 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-11-26 00:56:42,743 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:56:42,744 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-11-26 00:56:42,746 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:56:42,747 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:56:42,747 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:56:42,748 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:56:42,749 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-26 00:56:42,749 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-26 00:56:42,750 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:56:42,751 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:42,753 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-26 00:56:42,779 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:56:42,779 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:42,789 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-11-26 00:56:42,791 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:56:42,791 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:56:42,792 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:42,793 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:56:42,794 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:56:42,794 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:42,795 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:42,795 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:42,796 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:56:42,796 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:56:42,797 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:42,798 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:56:42,798 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:42,799 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:42,799 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:42,800 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:42,800 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-26 00:56:42,801 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:42,801 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:42,801 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:42,801 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:42,802 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:42,802 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:42,802 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:56:42,805 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:42,805 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-26 00:56:42,807 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-26 00:56:42,807 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:42,808 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-26 00:56:42,808 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-26 00:56:42,809 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:56:42,809 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:42,810 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:42,810 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:42,810 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:42,811 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:42,811 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:42,812 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:42,813 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-26 00:56:42,814 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:56:42,814 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-26 00:56:42,814 WARN L623 FunctionHandler]: Unknown extern function idr_pre_get [2022-11-26 00:56:42,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:42,815 WARN L623 FunctionHandler]: Unknown extern function idr_get_new_above [2022-11-26 00:56:42,816 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-26 00:56:42,817 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-26 00:56:42,817 WARN L623 FunctionHandler]: Unknown extern function idr_find [2022-11-26 00:56:42,818 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:56:42,819 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:56:42,820 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:56:42,820 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:56:42,822 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-11-26 00:56:42,823 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-11-26 00:56:42,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:56:42,858 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:56:42,995 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:56:42,995 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:56:42,996 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:56:42,998 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:56:43,001 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:56:43,001 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-26 00:56:43,002 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:56:43,002 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-26 00:56:43,003 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:56:43,004 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:56:43,004 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-26 00:56:43,004 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-26 00:56:43,006 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-26 00:56:43,007 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:43,008 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:56:43,008 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:56:43,009 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 00:56:43,010 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:43,010 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:56:43,011 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-26 00:56:43,019 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:56:43,028 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-26 00:56:43,032 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-26 00:56:43,034 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-11-26 00:56:43,035 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-11-26 00:56:43,038 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 00:56:43,038 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 00:56:43,040 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:56:43,040 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:43,045 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:56:43,045 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-26 00:56:43,051 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-26 00:56:43,055 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-26 00:56:43,056 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:56:43,057 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:56:43,058 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:56:43,059 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:56:43,060 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-26 00:56:43,061 WARN L623 FunctionHandler]: Unknown extern function skb_copy_datagram_iovec [2022-11-26 00:56:43,061 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,063 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:43,064 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,064 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:43,067 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-26 00:56:43,068 WARN L623 FunctionHandler]: Unknown extern function sk_chk_filter [2022-11-26 00:56:43,069 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:43,075 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:43,076 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:43,077 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:43,077 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:43,078 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:43,079 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-26 00:56:43,081 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-26 00:56:43,081 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:43,082 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:43,083 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:43,084 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:43,085 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:43,087 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:43,088 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:43,089 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:43,090 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:43,092 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:43,093 WARN L623 FunctionHandler]: Unknown extern function slhc_init [2022-11-26 00:56:43,093 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:43,095 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-26 00:56:43,097 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:43,099 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:43,100 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:43,101 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:43,103 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:43,104 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:43,105 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:43,106 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:43,107 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:43,108 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:43,108 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:56:43,110 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:43,113 WARN L623 FunctionHandler]: Unknown extern function idr_init [2022-11-26 00:56:43,113 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:56:43,114 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:56:43,115 WARN L623 FunctionHandler]: Unknown extern function idr_destroy [2022-11-26 00:56:43,116 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:43,116 WARN L623 FunctionHandler]: Unknown extern function register_pernet_device [2022-11-26 00:56:43,117 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:43,118 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:43,118 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-11-26 00:56:43,119 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-26 00:56:43,120 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-26 00:56:43,123 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:56:43,124 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:43,124 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,132 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:56:43,134 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-26 00:56:43,135 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:43,137 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,137 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:43,138 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:56:43,138 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,138 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-26 00:56:43,139 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:43,139 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,140 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,141 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:56:43,142 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:56:43,142 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:56:43,143 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,144 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:56:43,145 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:56:43,146 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:43,147 WARN L623 FunctionHandler]: Unknown extern function slhc_compress [2022-11-26 00:56:43,149 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,150 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,150 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:43,151 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-26 00:56:43,152 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:43,153 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:43,154 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:43,154 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,156 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,158 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,159 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,168 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:43,170 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:43,213 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:43,214 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:43,215 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:56:43,216 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-11-26 00:56:43,216 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:43,217 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:56:43,217 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:56:43,218 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,218 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,219 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:56:43,219 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,220 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:43,220 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,221 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:56:43,221 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:43,222 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:56:43,222 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:56:43,223 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:56:43,224 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,224 WARN L623 FunctionHandler]: Unknown extern function slhc_toss [2022-11-26 00:56:43,226 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-26 00:56:43,227 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:43,227 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:43,228 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-11-26 00:56:43,228 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,229 WARN L623 FunctionHandler]: Unknown extern function slhc_uncompress [2022-11-26 00:56:43,229 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:56:43,230 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:43,230 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-26 00:56:43,231 WARN L623 FunctionHandler]: Unknown extern function slhc_remember [2022-11-26 00:56:43,232 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:43,233 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-26 00:56:43,233 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,233 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-26 00:56:43,234 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:43,234 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-26 00:56:43,235 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:56:43,235 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:56:43,236 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:56:43,236 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,237 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-26 00:56:43,237 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,238 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,238 WARN L623 FunctionHandler]: Unknown extern function skb_pull_rcsum [2022-11-26 00:56:43,242 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 00:56:43,243 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,244 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-26 00:56:43,245 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:43,246 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,246 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,247 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:56:43,247 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:56:43,250 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:56:43,250 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:56:43,252 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,254 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,254 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,258 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:43,258 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,260 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:56:43,261 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,263 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-26 00:56:43,270 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-11-26 00:56:43,270 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:56:43,271 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-11-26 00:56:43,272 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:56:43,273 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:56:43,273 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-26 00:56:43,274 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-26 00:56:43,275 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-26 00:56:43,275 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-26 00:56:43,276 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:56:43,276 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:43,278 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-26 00:56:43,290 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:56:43,290 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:43,294 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-11-26 00:56:43,295 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:56:43,296 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:56:43,297 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:43,298 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:56:43,298 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:56:43,299 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:43,299 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:43,300 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:43,300 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:56:43,301 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:56:43,301 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:43,302 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:56:43,302 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:43,303 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:43,303 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:43,304 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:56:43,304 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-26 00:56:43,305 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:43,305 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:43,305 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:43,306 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:43,306 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:43,306 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:56:43,307 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:56:43,309 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:56:43,310 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-26 00:56:43,311 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-26 00:56:43,311 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:56:43,312 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-26 00:56:43,312 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-26 00:56:43,313 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:56:43,313 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:56:43,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:43,315 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:43,315 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-26 00:56:43,315 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:56:43,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:43,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:43,317 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-26 00:56:43,317 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:56:43,317 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-26 00:56:43,318 WARN L623 FunctionHandler]: Unknown extern function idr_pre_get [2022-11-26 00:56:43,318 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:56:43,319 WARN L623 FunctionHandler]: Unknown extern function idr_get_new_above [2022-11-26 00:56:43,320 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-26 00:56:43,320 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-26 00:56:43,321 WARN L623 FunctionHandler]: Unknown extern function idr_find [2022-11-26 00:56:43,322 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:56:43,323 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:56:43,323 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:56:43,324 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:56:43,326 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-11-26 00:56:43,327 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-11-26 00:56:43,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:56:43,631 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:56:43,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:43 WrapperNode [2022-11-26 00:56:43,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:56:43,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:56:43,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:56:43,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:56:43,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:43" (1/1) ... [2022-11-26 00:56:43,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:43" (1/1) ... [2022-11-26 00:56:43,925 INFO L138 Inliner]: procedures = 316, calls = 1793, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4122 [2022-11-26 00:56:43,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:56:43,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:56:43,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:56:43,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:56:43,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:43" (1/1) ... [2022-11-26 00:56:43,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:43" (1/1) ... [2022-11-26 00:56:43,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:43" (1/1) ... [2022-11-26 00:56:43,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:43" (1/1) ... [2022-11-26 00:56:44,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:43" (1/1) ... [2022-11-26 00:56:44,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:43" (1/1) ... [2022-11-26 00:56:44,143 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:43" (1/1) ... [2022-11-26 00:56:44,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:43" (1/1) ... [2022-11-26 00:56:44,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:56:44,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:56:44,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:56:44,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:56:44,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:43" (1/1) ... [2022-11-26 00:56:44,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:56:44,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:56:44,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:56:44,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:56:44,281 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-11-26 00:56:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-11-26 00:56:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-26 00:56:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-26 00:56:44,282 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-26 00:56:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-26 00:56:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-11-26 00:56:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-11-26 00:56:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-26 00:56:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-11-26 00:56:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-11-26 00:56:44,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-26 00:56:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:56:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-26 00:56:44,284 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-26 00:56:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-26 00:56:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:56:44,284 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-26 00:56:44,284 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-26 00:56:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-26 00:56:44,285 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-26 00:56:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-11-26 00:56:44,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-11-26 00:56:44,285 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-11-26 00:56:44,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-11-26 00:56:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-11-26 00:56:44,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-11-26 00:56:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-26 00:56:44,286 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-26 00:56:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-26 00:56:44,286 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-26 00:56:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-26 00:56:44,287 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-26 00:56:44,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:56:44,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:56:44,287 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-11-26 00:56:44,287 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-11-26 00:56:44,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-26 00:56:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-26 00:56:44,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2022-11-26 00:56:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2022-11-26 00:56:44,288 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-11-26 00:56:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-11-26 00:56:44,288 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-11-26 00:56:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-11-26 00:56:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-26 00:56:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-26 00:56:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-11-26 00:56:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-11-26 00:56:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-11-26 00:56:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-11-26 00:56:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-26 00:56:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-26 00:56:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-26 00:56:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-26 00:56:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:56:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:56:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-11-26 00:56:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-11-26 00:56:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:56:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:56:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-11-26 00:56:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-11-26 00:56:44,292 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-11-26 00:56:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-11-26 00:56:44,292 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-11-26 00:56:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-11-26 00:56:44,292 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2022-11-26 00:56:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2022-11-26 00:56:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:56:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 00:56:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 00:56:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-26 00:56:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-26 00:56:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:56:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-26 00:56:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-26 00:56:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-26 00:56:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-26 00:56:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-26 00:56:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-26 00:56:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-26 00:56:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-26 00:56:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-26 00:56:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:56:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-26 00:56:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:56:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-11-26 00:56:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-11-26 00:56:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-26 00:56:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-26 00:56:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 00:56:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-26 00:56:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-26 00:56:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-26 00:56:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-26 00:56:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-26 00:56:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-26 00:56:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-26 00:56:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-26 00:56:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-11-26 00:56:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-11-26 00:56:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2022-11-26 00:56:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2022-11-26 00:56:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-26 00:56:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-26 00:56:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-26 00:56:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-26 00:56:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-26 00:56:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-26 00:56:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-11-26 00:56:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-11-26 00:56:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-11-26 00:56:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-11-26 00:56:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-26 00:56:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-26 00:56:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-26 00:56:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-26 00:56:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-26 00:56:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-26 00:56:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-11-26 00:56:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-11-26 00:56:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-26 00:56:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-26 00:56:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-11-26 00:56:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-11-26 00:56:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-11-26 00:56:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-11-26 00:56:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-26 00:56:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-26 00:56:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2022-11-26 00:56:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2022-11-26 00:56:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-26 00:56:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-26 00:56:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-26 00:56:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-26 00:56:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-11-26 00:56:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-11-26 00:56:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-11-26 00:56:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-11-26 00:56:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-11-26 00:56:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-11-26 00:56:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-11-26 00:56:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-11-26 00:56:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-11-26 00:56:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-11-26 00:56:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:56:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:56:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-11-26 00:56:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-11-26 00:56:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-11-26 00:56:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-11-26 00:56:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-26 00:56:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-26 00:56:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-26 00:56:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-26 00:56:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-26 00:56:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-26 00:56:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-26 00:56:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-26 00:56:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-26 00:56:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-26 00:56:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-26 00:56:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-26 00:56:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-11-26 00:56:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-11-26 00:56:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-11-26 00:56:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-11-26 00:56:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:56:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-26 00:56:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-26 00:56:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-26 00:56:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-26 00:56:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:56:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-26 00:56:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-26 00:56:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:56:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-26 00:56:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-26 00:56:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-26 00:56:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:56:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:56:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-26 00:56:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-26 00:56:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-26 00:56:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-26 00:56:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-26 00:56:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-26 00:56:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-26 00:56:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-26 00:56:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-26 00:56:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-11-26 00:56:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-11-26 00:56:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-26 00:56:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-26 00:56:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-26 00:56:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-26 00:56:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-26 00:56:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-26 00:56:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-11-26 00:56:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-11-26 00:56:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-26 00:56:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-26 00:56:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-11-26 00:56:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-11-26 00:56:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-11-26 00:56:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-11-26 00:56:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-26 00:56:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-11-26 00:56:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-11-26 00:56:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-26 00:56:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-26 00:56:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:56:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:56:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-26 00:56:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-26 00:56:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 00:56:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 00:56:45,183 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:56:45,201 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:56:48,964 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-11-26 00:56:48,964 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-11-26 00:56:59,721 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:56:59,726 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:56:59,730 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:56:59,733 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:56:59,742 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:57:12,342 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 [2022-11-26 00:57:12,342 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; [2022-11-26 00:57:12,342 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##437: assume !false; [2022-11-26 00:57:12,342 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume false; [2022-11-26 00:57:12,342 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; [2022-11-26 00:57:12,343 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 [2022-11-26 00:57:12,343 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !false; [2022-11-26 00:57:12,343 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume false; [2022-11-26 00:57:12,343 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-11-26 00:57:12,343 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-11-26 00:57:12,343 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume !false; [2022-11-26 00:57:12,343 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume false; [2022-11-26 00:57:12,344 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2022-11-26 00:57:12,344 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2022-11-26 00:57:12,344 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume !false; [2022-11-26 00:57:12,344 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##205: assume false; [2022-11-26 00:57:12,344 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2022-11-26 00:57:12,344 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2022-11-26 00:57:12,344 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##317: assume false; [2022-11-26 00:57:12,345 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume !false; [2022-11-26 00:57:12,345 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume !false; [2022-11-26 00:57:12,345 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume false; [2022-11-26 00:57:12,345 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume !false; [2022-11-26 00:57:12,345 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume false; [2022-11-26 00:57:12,345 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2022-11-26 00:57:12,345 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2022-11-26 00:57:12,346 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2022-11-26 00:57:12,346 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2022-11-26 00:57:12,346 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##127: assume !false; [2022-11-26 00:57:12,346 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2022-11-26 00:57:12,346 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-11-26 00:57:12,346 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2022-11-26 00:57:12,346 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-11-26 00:57:12,347 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2022-11-26 00:57:12,347 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2022-11-26 00:57:12,347 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2022-11-26 00:57:12,347 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2022-11-26 00:57:12,347 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2022-11-26 00:57:12,347 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2022-11-26 00:57:12,347 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##338: assume !false; [2022-11-26 00:57:12,348 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##337: assume false; [2022-11-26 00:57:12,348 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume false; [2022-11-26 00:57:12,348 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##367: assume !false; [2022-11-26 00:57:12,348 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume false; [2022-11-26 00:57:12,464 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:57:12,496 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:57:12,496 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-26 00:57:12,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:12 BoogieIcfgContainer [2022-11-26 00:57:12,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:57:12,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:57:12,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:57:12,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:57:12,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:56:39" (1/3) ... [2022-11-26 00:57:12,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3f0a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:57:12, skipping insertion in model container [2022-11-26 00:57:12,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:56:43" (2/3) ... [2022-11-26 00:57:12,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3f0a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:57:12, skipping insertion in model container [2022-11-26 00:57:12,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:12" (3/3) ... [2022-11-26 00:57:12,517 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-11-26 00:57:12,542 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:57:12,542 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:57:12,669 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:57:12,677 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;@184e61db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:57:12,678 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:57:12,696 INFO L276 IsEmpty]: Start isEmpty. Operand has 1432 states, 1013 states have (on average 1.3534057255676208) internal successors, (1371), 1048 states have internal predecessors, (1371), 326 states have call successors, (326), 93 states have call predecessors, (326), 93 states have return successors, (326), 318 states have call predecessors, (326), 326 states have call successors, (326) [2022-11-26 00:57:12,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:57:12,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:12,707 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:12,707 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:57:12,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:12,714 INFO L85 PathProgramCache]: Analyzing trace with hash 2078505288, now seen corresponding path program 1 times [2022-11-26 00:57:12,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:57:12,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745109802] [2022-11-26 00:57:12,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:12,737 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:57:12,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:57:12,743 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:57:12,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-26 00:57:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:14,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:57:14,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:57:14,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:57:14,217 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:57:14,218 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:57:14,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745109802] [2022-11-26 00:57:14,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745109802] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:14,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:14,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:57:14,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885138917] [2022-11-26 00:57:14,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:14,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:57:14,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:57:14,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:57:14,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:57:14,309 INFO L87 Difference]: Start difference. First operand has 1432 states, 1013 states have (on average 1.3534057255676208) internal successors, (1371), 1048 states have internal predecessors, (1371), 326 states have call successors, (326), 93 states have call predecessors, (326), 93 states have return successors, (326), 318 states have call predecessors, (326), 326 states have call successors, (326) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-11-26 00:57:14,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:14,763 INFO L93 Difference]: Finished difference Result 4250 states and 6135 transitions. [2022-11-26 00:57:14,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:57:14,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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 12 [2022-11-26 00:57:14,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:14,826 INFO L225 Difference]: With dead ends: 4250 [2022-11-26 00:57:14,826 INFO L226 Difference]: Without dead ends: 2804 [2022-11-26 00:57:14,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:57:14,852 INFO L413 NwaCegarLoop]: 2349 mSDtfsCounter, 1978 mSDsluCounter, 1956 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 4305 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:14,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1978 Valid, 4305 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:57:14,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2022-11-26 00:57:15,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2801. [2022-11-26 00:57:15,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2801 states, 1975 states have (on average 1.3291139240506329) internal successors, (2625), 2042 states have internal predecessors, (2625), 641 states have call successors, (641), 185 states have call predecessors, (641), 184 states have return successors, (642), 623 states have call predecessors, (642), 639 states have call successors, (642) [2022-11-26 00:57:15,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3908 transitions. [2022-11-26 00:57:15,337 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3908 transitions. Word has length 12 [2022-11-26 00:57:15,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:15,337 INFO L495 AbstractCegarLoop]: Abstraction has 2801 states and 3908 transitions. [2022-11-26 00:57:15,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-11-26 00:57:15,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3908 transitions. [2022-11-26 00:57:15,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-26 00:57:15,352 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:15,353 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:15,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:57:15,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:57:15,576 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:57:15,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:15,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1790442611, now seen corresponding path program 1 times [2022-11-26 00:57:15,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:57:15,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261967757] [2022-11-26 00:57:15,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:15,580 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:57:15,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:57:15,583 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:57:15,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-26 00:57:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:17,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:57:17,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:57:17,174 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-26 00:57:17,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:57:17,175 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:57:17,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [261967757] [2022-11-26 00:57:17,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [261967757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:17,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:17,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:57:17,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069656638] [2022-11-26 00:57:17,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:17,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:57:17,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:57:17,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:57:17,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:57:17,182 INFO L87 Difference]: Start difference. First operand 2801 states and 3908 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-26 00:57:17,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:17,644 INFO L93 Difference]: Finished difference Result 5578 states and 7787 transitions. [2022-11-26 00:57:17,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:57:17,645 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, (12), 1 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 74 [2022-11-26 00:57:17,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:17,670 INFO L225 Difference]: With dead ends: 5578 [2022-11-26 00:57:17,670 INFO L226 Difference]: Without dead ends: 2801 [2022-11-26 00:57:17,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:57:17,688 INFO L413 NwaCegarLoop]: 1981 mSDtfsCounter, 3 mSDsluCounter, 5931 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7912 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:17,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7912 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:57:17,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2022-11-26 00:57:17,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2801. [2022-11-26 00:57:17,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2801 states, 1975 states have (on average 1.3281012658227849) internal successors, (2623), 2040 states have internal predecessors, (2623), 641 states have call successors, (641), 185 states have call predecessors, (641), 184 states have return successors, (642), 623 states have call predecessors, (642), 639 states have call successors, (642) [2022-11-26 00:57:17,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3906 transitions. [2022-11-26 00:57:17,897 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3906 transitions. Word has length 74 [2022-11-26 00:57:17,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:17,897 INFO L495 AbstractCegarLoop]: Abstraction has 2801 states and 3906 transitions. [2022-11-26 00:57:17,898 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-26 00:57:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3906 transitions. [2022-11-26 00:57:17,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-26 00:57:17,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:17,910 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:17,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:57:18,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:57:18,140 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:57:18,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:18,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1751657911, now seen corresponding path program 1 times [2022-11-26 00:57:18,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:57:18,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290762271] [2022-11-26 00:57:18,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:18,142 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:57:18,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:57:18,144 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:57:18,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-26 00:57:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:19,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:57:19,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:57:19,893 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-26 00:57:19,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:57:19,894 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:57:19,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290762271] [2022-11-26 00:57:19,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290762271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:19,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:19,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:57:19,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840937090] [2022-11-26 00:57:19,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:19,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:57:19,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:57:19,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:57:19,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:57:19,897 INFO L87 Difference]: Start difference. First operand 2801 states and 3906 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-26 00:57:20,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:20,233 INFO L93 Difference]: Finished difference Result 6586 states and 9372 transitions. [2022-11-26 00:57:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:57:20,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2022-11-26 00:57:20,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:20,260 INFO L225 Difference]: With dead ends: 6586 [2022-11-26 00:57:20,260 INFO L226 Difference]: Without dead ends: 3812 [2022-11-26 00:57:20,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:57:20,275 INFO L413 NwaCegarLoop]: 2334 mSDtfsCounter, 502 mSDsluCounter, 1997 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 4331 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:20,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 4331 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:57:20,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2022-11-26 00:57:20,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3796. [2022-11-26 00:57:20,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3796 states, 2682 states have (on average 1.3434004474272931) internal successors, (3603), 2761 states have internal predecessors, (3603), 929 states have call successors, (929), 185 states have call predecessors, (929), 184 states have return successors, (933), 909 states have call predecessors, (933), 927 states have call successors, (933) [2022-11-26 00:57:20,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3796 states and 5465 transitions. [2022-11-26 00:57:20,529 INFO L78 Accepts]: Start accepts. Automaton has 3796 states and 5465 transitions. Word has length 89 [2022-11-26 00:57:20,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:20,530 INFO L495 AbstractCegarLoop]: Abstraction has 3796 states and 5465 transitions. [2022-11-26 00:57:20,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-26 00:57:20,530 INFO L276 IsEmpty]: Start isEmpty. Operand 3796 states and 5465 transitions. [2022-11-26 00:57:20,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-26 00:57:20,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:20,541 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:20,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:57:20,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:57:20,763 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:57:20,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:20,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1606886577, now seen corresponding path program 1 times [2022-11-26 00:57:20,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:57:20,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560032185] [2022-11-26 00:57:20,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:20,766 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:57:20,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:57:20,773 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:57:20,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-26 00:57:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:22,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:57:22,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:57:22,624 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:57:22,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 20 [2022-11-26 00:57:28,609 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-26 00:57:28,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:57:28,609 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:57:28,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560032185] [2022-11-26 00:57:28,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [560032185] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:28,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:28,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:57:28,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010771444] [2022-11-26 00:57:28,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:28,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:57:28,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:57:28,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:57:28,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=11, Unknown=2, NotChecked=0, Total=20 [2022-11-26 00:57:28,630 INFO L87 Difference]: Start difference. First operand 3796 states and 5465 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-26 00:57:31,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:57:33,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:57:35,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:57:38,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:57:42,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:57:44,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:57:45,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:57:47,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:57:49,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:57:51,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:57:53,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:57:55,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:57:58,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:00,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:02,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:05,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:07,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:11,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:13,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:16,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:18,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:24,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:26,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:31,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:35,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:37,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:38,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:58:38,349 INFO L93 Difference]: Finished difference Result 7586 states and 10964 transitions. [2022-11-26 00:58:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:58:38,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 106 [2022-11-26 00:58:38,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:58:38,395 INFO L225 Difference]: With dead ends: 7586 [2022-11-26 00:58:38,395 INFO L226 Difference]: Without dead ends: 3818 [2022-11-26 00:58:38,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=11, Invalid=17, Unknown=2, NotChecked=0, Total=30 [2022-11-26 00:58:38,419 INFO L413 NwaCegarLoop]: 1982 mSDtfsCounter, 9 mSDsluCounter, 5505 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 0 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 7487 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:58:38,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 7487 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 438 Invalid, 23 Unknown, 0 Unchecked, 67.3s Time] [2022-11-26 00:58:38,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3818 states. [2022-11-26 00:58:38,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3818 to 3804. [2022-11-26 00:58:38,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3804 states, 2688 states have (on average 1.3433779761904763) internal successors, (3611), 2767 states have internal predecessors, (3611), 931 states have call successors, (931), 185 states have call predecessors, (931), 184 states have return successors, (935), 911 states have call predecessors, (935), 929 states have call successors, (935) [2022-11-26 00:58:38,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3804 states and 5477 transitions. [2022-11-26 00:58:38,767 INFO L78 Accepts]: Start accepts. Automaton has 3804 states and 5477 transitions. Word has length 106 [2022-11-26 00:58:38,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:58:38,769 INFO L495 AbstractCegarLoop]: Abstraction has 3804 states and 5477 transitions. [2022-11-26 00:58:38,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-26 00:58:38,770 INFO L276 IsEmpty]: Start isEmpty. Operand 3804 states and 5477 transitions. [2022-11-26 00:58:38,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-26 00:58:38,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:58:38,788 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:58:38,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:58:39,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:58:39,015 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:58:39,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:58:39,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1923503077, now seen corresponding path program 1 times [2022-11-26 00:58:39,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:58:39,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690012189] [2022-11-26 00:58:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:39,018 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:58:39,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:58:39,020 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:58:39,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-26 00:58:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:58:40,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 1065 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:58:40,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:58:40,630 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-26 00:58:40,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:58:40,631 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:58:40,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690012189] [2022-11-26 00:58:40,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1690012189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:58:40,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:58:40,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:58:40,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109274199] [2022-11-26 00:58:40,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:58:40,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:58:40,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:58:40,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:58:40,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:58:40,635 INFO L87 Difference]: Start difference. First operand 3804 states and 5477 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 00:58:40,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:58:40,883 INFO L93 Difference]: Finished difference Result 7586 states and 10956 transitions. [2022-11-26 00:58:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:58:40,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2022-11-26 00:58:40,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:58:40,913 INFO L225 Difference]: With dead ends: 7586 [2022-11-26 00:58:40,913 INFO L226 Difference]: Without dead ends: 3810 [2022-11-26 00:58:40,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:58:40,934 INFO L413 NwaCegarLoop]: 1979 mSDtfsCounter, 2 mSDsluCounter, 1975 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3954 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:58:40,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3954 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:58:40,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3810 states. [2022-11-26 00:58:41,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3810 to 3806. [2022-11-26 00:58:41,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3806 states, 2690 states have (on average 1.3431226765799256) internal successors, (3613), 2769 states have internal predecessors, (3613), 931 states have call successors, (931), 185 states have call predecessors, (931), 184 states have return successors, (935), 911 states have call predecessors, (935), 929 states have call successors, (935) [2022-11-26 00:58:41,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 3806 states and 5479 transitions. [2022-11-26 00:58:41,271 INFO L78 Accepts]: Start accepts. Automaton has 3806 states and 5479 transitions. Word has length 108 [2022-11-26 00:58:41,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:58:41,272 INFO L495 AbstractCegarLoop]: Abstraction has 3806 states and 5479 transitions. [2022-11-26 00:58:41,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 00:58:41,274 INFO L276 IsEmpty]: Start isEmpty. Operand 3806 states and 5479 transitions. [2022-11-26 00:58:41,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-26 00:58:41,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:58:41,284 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:58:41,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-26 00:58:41,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:58:41,499 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:58:41,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:58:41,500 INFO L85 PathProgramCache]: Analyzing trace with hash -329013054, now seen corresponding path program 1 times [2022-11-26 00:58:41,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:58:41,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1460703807] [2022-11-26 00:58:41,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:41,501 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:58:41,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:58:41,503 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:58:41,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-26 00:59:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:59:03,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:59:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:59:36,606 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-26 00:59:36,607 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:59:36,609 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 00:59:36,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-26 00:59:36,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:59:36,835 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-26 00:59:36,841 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:59:37,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:59:37 BoogieIcfgContainer [2022-11-26 00:59:37,077 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:59:37,078 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:59:37,078 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:59:37,079 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:59:37,079 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:12" (3/4) ... [2022-11-26 00:59:37,083 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 00:59:37,083 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:59:37,084 INFO L158 Benchmark]: Toolchain (without parser) took 177311.98ms. Allocated memory was 75.5MB in the beginning and 478.2MB in the end (delta: 402.7MB). Free memory was 41.2MB in the beginning and 143.4MB in the end (delta: -102.2MB). Peak memory consumption was 301.0MB. Max. memory is 16.1GB. [2022-11-26 00:59:37,085 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:59:37,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3858.52ms. Allocated memory was 75.5MB in the beginning and 163.6MB in the end (delta: 88.1MB). Free memory was 41.0MB in the beginning and 66.6MB in the end (delta: -25.6MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2022-11-26 00:59:37,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 292.73ms. Allocated memory was 163.6MB in the beginning and 327.2MB in the end (delta: 163.6MB). Free memory was 66.6MB in the beginning and 252.2MB in the end (delta: -185.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-26 00:59:37,086 INFO L158 Benchmark]: Boogie Preprocessor took 257.32ms. Allocated memory is still 327.2MB. Free memory was 252.2MB in the beginning and 225.9MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 00:59:37,087 INFO L158 Benchmark]: RCFGBuilder took 28318.57ms. Allocated memory is still 327.2MB. Free memory was 224.9MB in the beginning and 107.3MB in the end (delta: 117.7MB). Peak memory consumption was 195.3MB. Max. memory is 16.1GB. [2022-11-26 00:59:37,087 INFO L158 Benchmark]: TraceAbstraction took 144570.35ms. Allocated memory was 327.2MB in the beginning and 478.2MB in the end (delta: 151.0MB). Free memory was 106.2MB in the beginning and 143.4MB in the end (delta: -37.2MB). Peak memory consumption was 112.8MB. Max. memory is 16.1GB. [2022-11-26 00:59:37,088 INFO L158 Benchmark]: Witness Printer took 5.53ms. Allocated memory is still 478.2MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:59:37,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3858.52ms. Allocated memory was 75.5MB in the beginning and 163.6MB in the end (delta: 88.1MB). Free memory was 41.0MB in the beginning and 66.6MB in the end (delta: -25.6MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 292.73ms. Allocated memory was 163.6MB in the beginning and 327.2MB in the end (delta: 163.6MB). Free memory was 66.6MB in the beginning and 252.2MB in the end (delta: -185.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 257.32ms. Allocated memory is still 327.2MB. Free memory was 252.2MB in the beginning and 225.9MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 28318.57ms. Allocated memory is still 327.2MB. Free memory was 224.9MB in the beginning and 107.3MB in the end (delta: 117.7MB). Peak memory consumption was 195.3MB. Max. memory is 16.1GB. * TraceAbstraction took 144570.35ms. Allocated memory was 327.2MB in the beginning and 478.2MB in the end (delta: 151.0MB). Free memory was 106.2MB in the beginning and 143.4MB in the end (delta: -37.2MB). Peak memory consumption was 112.8MB. Max. memory is 16.1GB. * Witness Printer took 5.53ms. Allocated memory is still 478.2MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 [L10649] FCALL ldv_initialize() [L10650] CALL, EXPR ppp_init() [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; [L7690] CALL, EXPR register_pernet_device(& ppp_net_ops) [L11180] return __VERIFIER_nondet_int(); [L7690] RET, EXPR register_pernet_device(& ppp_net_ops) [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L7700] CALL, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L5879] int tmp ; [L5882] CALL, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L11003] return __VERIFIER_nondet_int(); [L5882] RET, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); VAL [\old(major)=108, \result=0, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, fops={66:0}, fops={66:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, major=108, mp_protocol_compress=1, name={18:0}, name={18:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L7700] RET, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L7710] CALL, EXPR __class_create(& __this_module, "ppp", & __key) [L10972] CALL, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [\old(size)=128, \result={0:0}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, size=128] [L10972] RET, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={0:0}, arg0={0:0}, arg0={0:0}, arg1={20:0}, arg1={20:0}, arg2={110:0}, arg2={110:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct class))={0:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] RET, EXPR __class_create(& __this_module, "ppp", & __key) [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp VAL [__key={110:0}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] CALL, EXPR IS_ERR((void const *)ppp_class) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}] [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); VAL [\result=0, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}, ptr={0:0}, tmp=0] [L7712] RET, EXPR IS_ERR((void const *)ppp_class) VAL [__key={110:0}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, IS_ERR((void const *)ppp_class)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [\result=0, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}, tmp___1=0] [L10650] RET, EXPR ppp_init() [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___1=-2147483648] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2147483648] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2147483648] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2147483648] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2147483648] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2147483648] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2147483648] [L10753] CALL ppp_ioctl(var_group1, var_ppp_ioctl_9_p1, var_ppp_ioctl_9_p2) [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387795:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={4503599627370496:4503874505547499}, file={4503599627370496:4503874505547499}, idle={109:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775699:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387795:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={4503599627370496:4503874505547499}, file={4503599627370496:4503874505547499}, idle={109:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775699:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6804] COND TRUE cmd == 1074033724U [L6806] err = -22 VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387795:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-22, file={4503599627370496:4503874505547499}, file={4503599627370496:4503874505547499}, idle={109:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775699:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6807] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387795:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-22, file={4503599627370496:4503874505547499}, file={4503599627370496:4503874505547499}, idle={109:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775699:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6809] EXPR pf->kind VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387795:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-22, file={4503599627370496:4503874505547499}, file={4503599627370496:4503874505547499}, idle={109:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775699:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={4503599627370496:4503874505547776}, pf->kind=-2147483647, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6809] COND FALSE !((unsigned int )pf->kind == 1U) [L6821] CALL, EXPR atomic_long_read(& file->f_count) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5267] atomic64_t *v ; [L5268] long tmp ; [L5271] v = l [L5272] CALL, EXPR atomic64_read((atomic64_t const *)v) [L5263] EXPR v->counter [L5263] return ((long )*((long volatile *)(& v->counter))); [L5272] RET, EXPR atomic64_read((atomic64_t const *)v) [L5272] tmp = atomic64_read((atomic64_t const *)v) [L5274] return (tmp); VAL [\result=0, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, l={4503599627370496:4503874505547611}, l={4503599627370496:4503874505547611}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, v={4503599627370496:4503874505547611}] [L6821] RET, EXPR atomic_long_read(& file->f_count) VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, atomic_long_read(& file->f_count)=0, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387795:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-22, file={4503599627370496:4503874505547499}, file={4503599627370496:4503874505547499}, idle={109:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775699:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6821] tmp___2 = atomic_long_read(& file->f_count) [L6823] COND TRUE tmp___2 <= 2L VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387795:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-22, file={4503599627370496:4503874505547499}, file={4503599627370496:4503874505547499}, idle={109:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775699:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp___2=0] [L6825] CALL ppp_release((struct inode *)0, file) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={4503599627370496:4503874505547499}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, unused={0:0}] [L6335] struct ppp_file *pf ; [L6336] struct ppp *ppp ; [L6337] struct ppp_file const *__mptr ; [L6338] struct ppp_file const *__mptr___0 ; [L6339] struct ppp_file const *__mptr___1 ; [L6340] int tmp ; [L6342] EXPR file->private_data [L6342] pf = (struct ppp_file *)file->private_data [L6343] COND TRUE (unsigned long )pf != (unsigned long )((struct ppp_file *)0) [L6344] file->private_data = (void *)0 [L6345] EXPR pf->kind VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={4503599627370496:4503874505547499}, file={4503599627370496:4503874505547499}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={4503599627370496:4503874505547776}, pf->kind=1, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, unused={0:0}, unused={0:0}] [L6345] COND TRUE (unsigned int )pf->kind == 1U [L6346] __mptr = (struct ppp_file const *)pf [L6347] ppp = (struct ppp *)__mptr [L6348] EXPR ppp->owner VAL [\old(ldv_module_refcounter)=1, __mptr={4503599627370496:4503874505547776}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={4503599627370496:4503874505547499}, file={4503599627370496:4503874505547499}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={4503599627370496:4503874505547776}, ppp={4503599627370496:4503874505547776}, ppp->owner={0:-9079256848778919936}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, unused={0:0}, unused={0:0}] [L6348] COND FALSE !((unsigned long )ppp->owner == (unsigned long )file) [L6357] CALL, EXPR atomic_dec_and_test(& pf->refcnt) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, v={4503599627370496:4503874505548040}] [L5253] unsigned char c ; [L5257] return ((unsigned int )c != 0U); VAL [\old(ldv_module_refcounter)=1, \result=1, __this_module={0:0}, c=2, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, v={4503599627370496:4503874505548040}, v={4503599627370496:4503874505548040}] [L6357] RET, EXPR atomic_dec_and_test(& pf->refcnt) VAL [\old(ldv_module_refcounter)=1, __mptr={4503599627370496:4503874505547776}, __this_module={0:0}, atomic_dec_and_test(& pf->refcnt)=1, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={4503599627370496:4503874505547499}, file={4503599627370496:4503874505547499}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={4503599627370496:4503874505547776}, ppp={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, unused={0:0}, unused={0:0}] [L6357] tmp = atomic_dec_and_test(& pf->refcnt) [L6359] COND TRUE tmp != 0 [L6360] EXPR pf->kind VAL [\old(ldv_module_refcounter)=1, __mptr={4503599627370496:4503874505547776}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={4503599627370496:4503874505547499}, file={4503599627370496:4503874505547499}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={4503599627370496:4503874505547776}, pf->kind=1, ppp={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=1, unused={0:0}, unused={0:0}] [L6360] COND TRUE (int )((unsigned int )pf->kind) == 1 [L6369] __mptr___0 = (struct ppp_file const *)pf VAL [\old(ldv_module_refcounter)=1, __mptr={4503599627370496:4503874505547776}, __mptr___0={4503599627370496:4503874505547776}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={4503599627370496:4503874505547499}, file={4503599627370496:4503874505547499}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={4503599627370496:4503874505547776}, ppp={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=1, unused={0:0}, unused={0:0}] [L6370] CALL ppp_destroy_interface((struct ppp *)__mptr___0) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10292] FCALL atomic_dec(& ppp_unit_count) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={4503599627370496:4503874505547776}, ppp={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10294] EXPR ppp->file.dead VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={4503599627370496:4503874505547776}, ppp={4503599627370496:4503874505547776}, ppp->file.dead=-2147483648, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10294] COND FALSE !(ppp->file.dead == 0) [L10301] EXPR ppp->n_channels VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={4503599627370496:4503874505547776}, ppp={4503599627370496:4503874505547776}, ppp->n_channels=0, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10301] COND FALSE !(ppp->n_channels != 0) [L10310] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={4503599627370496:4503874505547776}, ppp={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9958] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9958] RET spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={4503599627370496:4503874505547776}, ppp={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9959] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9959] RET spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={4503599627370496:4503874505547776}, ppp={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9960] EXPR ppp->flags [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={4503599627370496:4503874505547776}, ppp={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:0}, rstate={0:0}, xcomp={-9223372036854775808:144115188075855872}, xstate={12884901904:-9223372036854775808}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9969] RET spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={4503599627370496:4503874505547776}, ppp={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:0}, rstate={0:0}, xcomp={-9223372036854775808:144115188075855872}, xstate={12884901904:-9223372036854775808}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9970] RET spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={4503599627370496:4503874505547776}, ppp={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:0}, rstate={0:0}, xcomp={-9223372036854775808:144115188075855872}, xstate={12884901904:-9223372036854775808}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={4503599627370496:4503874505547776}, ppp={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:0}, rstate={0:0}, xcomp={-9223372036854775808:144115188075855872}, xcomp->comp_free={-1:12}, xstate={12884901904:-9223372036854775808}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7931] dev->netdev_ops = & ppp_netdev_ops [L7932] dev->hard_header_len = (unsigned short)4 [L7933] dev->mtu = 1500U [L7934] dev->addr_len = (unsigned char)0 [L7935] dev->tx_queue_len = 3UL [L7936] dev->type = (unsigned short)512 [L7937] dev->flags = 4240U [L7938] EXPR dev->features [L7938] dev->features = dev->features | 8192U [L7939] EXPR dev->priv_flags [L7939] dev->priv_flags = dev->priv_flags & 4294966271U [L9974] RET (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={4503599627370496:4503874505547776}, ppp={4503599627370496:4503874505547776}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:0}, rstate={0:0}, xcomp={-9223372036854775808:144115188075855872}, xcomp->comp_free={-1:12}, xstate={12884901904:-9223372036854775808}] [L9975] EXPR xcomp->owner [L9975] CALL ldv_module_put_5(xcomp->owner) [L10926] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223372036854774784}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223372036854774784}, module={0:-9223372036854774784}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223372036854774784}, module={0:-9223372036854774784}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10848] CALL ldv_blast_assert() VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10809] reach_error() VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 94 procedures, 1432 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 144.2s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 71.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 23 mSolverCounterUnknown, 2649 SdHoareTripleChecker+Valid, 67.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2494 mSDsluCounter, 27989 SdHoareTripleChecker+Invalid, 65.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17364 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 484 IncrementalHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 10625 mSDtfsCounter, 484 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 387 GetRequests, 374 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3806occurred in iteration=5, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 37 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 25.2s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 496 NumberOfCodeBlocks, 496 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 384 ConstructedInterpolants, 1 QuantifiedInterpolants, 600 SizeOfPredicates, 5 NumberOfNonLiveVariables, 4730 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 36/36 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-26 00:59:37,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c689ae9d-0e77-4593-b5af-999ec41d2a7b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample