./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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.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_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R --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 Automizer --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 [2022-11-25 16:56:10,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:56:10,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:56:10,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:56:10,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:56:10,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:56:10,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:56:10,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:56:10,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:56:10,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:56:10,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:56:10,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:56:10,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:56:10,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:56:10,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:56:10,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:56:10,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:56:10,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:56:10,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:56:10,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:56:10,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:56:10,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:56:10,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:56:10,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:56:10,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:56:10,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:56:10,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:56:10,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:56:10,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:56:10,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:56:10,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:56:10,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:56:10,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:56:10,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:56:10,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:56:10,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:56:10,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:56:10,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:56:10,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:56:10,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:56:10,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:56:10,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 16:56:10,147 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:56:10,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:56:10,148 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:56:10,148 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:56:10,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:56:10,149 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:56:10,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:56:10,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:56:10,150 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:56:10,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:56:10,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:56:10,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:56:10,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:56:10,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:56:10,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:56:10,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:56:10,152 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:56:10,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:56:10,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:56:10,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:56:10,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:56:10,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:56:10,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:56:10,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:56:10,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:56:10,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:56:10,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:56:10,159 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:56:10,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:56:10,159 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:56:10,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:56:10,160 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2022-11-25 16:56:10,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:56:10,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:56:10,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:56:10,448 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:56:10,448 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:56:10,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-11-25 16:56:13,542 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:56:14,203 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:56:14,204 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-11-25 16:56:14,250 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/data/ae99554c9/f6a92943401c45a784f76bb330adb1d2/FLAG1ee86cfa3 [2022-11-25 16:56:14,268 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/data/ae99554c9/f6a92943401c45a784f76bb330adb1d2 [2022-11-25 16:56:14,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:56:14,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:56:14,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:56:14,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:56:14,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:56:14,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:56:14" (1/1) ... [2022-11-25 16:56:14,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5febc5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:14, skipping insertion in model container [2022-11-25 16:56:14,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:56:14" (1/1) ... [2022-11-25 16:56:14,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:56:14,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:56:14,986 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 16:56:14,996 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 16:56:15,022 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 16:56:15,165 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 16:56:15,414 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 16:56:15,423 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 16:56:15,431 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 16:56:15,439 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 16:56:15,543 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 16:56:15,544 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 16:56:15,550 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 16:56:15,557 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 16:56:15,684 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-25 16:56:15,717 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:15,726 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:56:15,731 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:56:15,732 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 16:56:15,739 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:15,740 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 16:56:15,781 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-25 16:56:15,846 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:56:15,916 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-25 16:56:15,953 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 16:56:15,989 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-11-25 16:56:15,994 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-11-25 16:56:16,059 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 16:56:16,060 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 16:56:16,071 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 16:56:16,072 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:16,220 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 16:56:16,221 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-25 16:56:16,378 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 16:56:16,393 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 16:56:16,394 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 16:56:16,395 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:56:16,397 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 16:56:16,399 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 16:56:16,399 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 16:56:16,401 WARN L623 FunctionHandler]: Unknown extern function skb_copy_datagram_iovec [2022-11-25 16:56:16,402 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,408 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:56:16,409 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,409 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:56:16,424 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-25 16:56:16,425 WARN L623 FunctionHandler]: Unknown extern function sk_chk_filter [2022-11-25 16:56:16,426 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:56:16,433 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:56:16,435 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:16,436 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:16,437 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:56:16,438 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:16,439 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-25 16:56:16,441 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-25 16:56:16,442 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:16,443 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:16,443 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:56:16,446 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:16,447 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:16,450 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:16,452 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:16,453 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:16,454 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:16,456 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:16,458 WARN L623 FunctionHandler]: Unknown extern function slhc_init [2022-11-25 16:56:16,459 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:16,460 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-25 16:56:16,464 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:56:16,466 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:56:16,467 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:16,468 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:16,471 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:56:16,472 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:16,474 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:16,475 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:16,476 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:56:16,477 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:16,478 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:16,480 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:16,487 WARN L623 FunctionHandler]: Unknown extern function idr_init [2022-11-25 16:56:16,487 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 16:56:16,488 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:56:16,493 WARN L623 FunctionHandler]: Unknown extern function idr_destroy [2022-11-25 16:56:16,498 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:16,499 WARN L623 FunctionHandler]: Unknown extern function register_pernet_device [2022-11-25 16:56:16,500 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:16,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:16,501 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-11-25 16:56:16,503 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-25 16:56:16,509 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-25 16:56:16,515 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:56:16,527 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:56:16,527 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,553 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:56:16,574 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 16:56:16,577 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:16,585 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,585 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:56:16,586 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:56:16,587 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,587 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 16:56:16,589 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:16,590 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,590 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,593 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:56:16,594 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:56:16,595 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:56:16,597 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,598 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:56:16,599 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:56:16,617 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:16,618 WARN L623 FunctionHandler]: Unknown extern function slhc_compress [2022-11-25 16:56:16,621 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,632 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,632 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:56:16,634 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 16:56:16,635 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:16,636 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:56:16,637 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:56:16,637 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,645 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,647 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,649 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,677 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:56:16,682 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:56:16,683 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:56:16,685 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:16,687 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:56:16,689 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-11-25 16:56:16,690 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:56:16,690 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:56:16,691 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:56:16,696 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,697 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,698 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:56:16,698 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,700 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:56:16,701 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,701 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:56:16,702 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:56:16,702 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:56:16,704 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:56:16,705 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:56:16,707 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,708 WARN L623 FunctionHandler]: Unknown extern function slhc_toss [2022-11-25 16:56:16,711 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-25 16:56:16,712 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:16,713 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:56:16,713 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-11-25 16:56:16,714 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,715 WARN L623 FunctionHandler]: Unknown extern function slhc_uncompress [2022-11-25 16:56:16,716 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:56:16,717 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:56:16,718 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 16:56:16,719 WARN L623 FunctionHandler]: Unknown extern function slhc_remember [2022-11-25 16:56:16,719 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:16,721 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:56:16,721 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,722 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:56:16,723 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:56:16,724 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 16:56:16,724 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:56:16,725 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:56:16,726 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:56:16,726 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,727 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:56:16,728 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,729 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,729 WARN L623 FunctionHandler]: Unknown extern function skb_pull_rcsum [2022-11-25 16:56:16,730 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 16:56:16,731 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,733 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-25 16:56:16,734 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:16,735 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,736 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,736 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:56:16,736 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:56:16,741 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:56:16,744 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:56:16,746 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,749 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,755 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,761 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:16,762 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,768 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:56:16,775 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,777 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:56:16,783 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-11-25 16:56:16,784 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:56:16,784 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-11-25 16:56:16,787 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:56:16,787 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:56:16,788 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:56:16,789 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:56:16,790 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 16:56:16,791 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 16:56:16,792 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:56:16,792 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:56:16,796 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-25 16:56:16,817 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:56:16,818 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:56:16,822 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-11-25 16:56:16,824 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:56:16,825 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:56:16,826 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:56:16,827 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 16:56:16,828 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 16:56:16,829 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:16,829 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:16,830 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:16,839 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 16:56:16,840 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 16:56:16,841 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:56:16,842 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 16:56:16,842 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:56:16,843 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:16,844 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:16,844 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:16,845 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-25 16:56:16,846 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:56:16,846 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:56:16,846 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:56:16,847 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:56:16,847 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:56:16,848 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:16,848 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 16:56:16,851 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:56:16,852 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-25 16:56:16,854 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-25 16:56:16,854 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:16,855 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-25 16:56:16,856 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-25 16:56:16,856 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:56:16,857 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:56:16,858 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:16,858 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:56:16,859 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:56:16,859 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:56:16,864 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:16,864 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:16,865 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-25 16:56:16,865 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 16:56:16,866 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-25 16:56:16,870 WARN L623 FunctionHandler]: Unknown extern function idr_pre_get [2022-11-25 16:56:16,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:16,872 WARN L623 FunctionHandler]: Unknown extern function idr_get_new_above [2022-11-25 16:56:16,873 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-25 16:56:16,873 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-25 16:56:16,874 WARN L623 FunctionHandler]: Unknown extern function idr_find [2022-11-25 16:56:16,894 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 16:56:16,896 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:56:16,897 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:56:16,898 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:56:16,905 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_b87f8a11-1ed9-417f-930d-4607ea8d026d/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-11-25 16:56:16,914 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-11-25 16:56:16,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:56:17,003 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:56:17,132 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 16:56:17,133 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 16:56:17,134 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 16:56:17,137 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 16:56:17,140 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 16:56:17,141 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 16:56:17,141 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 16:56:17,142 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 16:56:17,146 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 16:56:17,146 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 16:56:17,147 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 16:56:17,147 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 16:56:17,149 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-25 16:56:17,150 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:17,150 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:56:17,150 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:56:17,151 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 16:56:17,152 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:17,152 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 16:56:17,152 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-25 16:56:17,161 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:56:17,172 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-25 16:56:17,176 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 16:56:17,182 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-11-25 16:56:17,183 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-11-25 16:56:17,191 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 16:56:17,192 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 16:56:17,193 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 16:56:17,194 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:17,200 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 16:56:17,200 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-25 16:56:17,206 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 16:56:17,209 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 16:56:17,210 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 16:56:17,215 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:56:17,217 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 16:56:17,221 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 16:56:17,222 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 16:56:17,222 WARN L623 FunctionHandler]: Unknown extern function skb_copy_datagram_iovec [2022-11-25 16:56:17,223 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,224 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:56:17,225 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,225 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:56:17,228 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-25 16:56:17,229 WARN L623 FunctionHandler]: Unknown extern function sk_chk_filter [2022-11-25 16:56:17,229 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:56:17,279 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:56:17,280 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:17,281 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:17,281 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:56:17,282 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:17,283 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-25 16:56:17,284 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-25 16:56:17,284 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:17,285 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:17,285 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:56:17,287 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:17,287 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:17,288 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:17,303 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:17,304 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:17,304 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:17,308 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:17,309 WARN L623 FunctionHandler]: Unknown extern function slhc_init [2022-11-25 16:56:17,309 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:17,311 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-25 16:56:17,313 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:56:17,314 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:56:17,316 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:17,317 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:17,319 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:56:17,321 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:17,322 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:17,335 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:17,336 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:56:17,337 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:17,337 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:56:17,338 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:17,341 WARN L623 FunctionHandler]: Unknown extern function idr_init [2022-11-25 16:56:17,341 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 16:56:17,341 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:56:17,342 WARN L623 FunctionHandler]: Unknown extern function idr_destroy [2022-11-25 16:56:17,344 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:17,345 WARN L623 FunctionHandler]: Unknown extern function register_pernet_device [2022-11-25 16:56:17,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:17,346 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:17,347 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-11-25 16:56:17,348 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-25 16:56:17,349 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-25 16:56:17,351 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:56:17,370 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:56:17,370 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,377 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:56:17,379 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 16:56:17,379 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:17,389 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,390 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:56:17,390 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:56:17,390 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,390 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 16:56:17,391 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:17,391 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,391 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,392 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:56:17,393 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:56:17,393 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:56:17,394 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,396 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:56:17,397 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:56:17,398 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:17,411 WARN L623 FunctionHandler]: Unknown extern function slhc_compress [2022-11-25 16:56:17,412 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,413 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,413 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:56:17,414 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 16:56:17,415 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:17,415 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:56:17,416 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:56:17,416 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,417 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,419 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,419 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,437 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:56:17,439 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:56:17,440 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:56:17,441 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:17,442 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:56:17,443 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-11-25 16:56:17,444 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:56:17,444 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:56:17,444 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:56:17,445 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,446 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,446 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:56:17,446 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,447 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:56:17,447 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,448 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:56:17,448 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:56:17,449 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:56:17,449 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:56:17,450 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:56:17,451 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,451 WARN L623 FunctionHandler]: Unknown extern function slhc_toss [2022-11-25 16:56:17,453 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-25 16:56:17,454 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:17,454 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:56:17,455 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-11-25 16:56:17,455 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,455 WARN L623 FunctionHandler]: Unknown extern function slhc_uncompress [2022-11-25 16:56:17,456 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:56:17,458 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:56:17,460 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 16:56:17,461 WARN L623 FunctionHandler]: Unknown extern function slhc_remember [2022-11-25 16:56:17,470 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:17,471 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:56:17,471 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,472 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:56:17,472 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:56:17,473 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 16:56:17,473 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:56:17,475 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:56:17,476 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:56:17,476 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,477 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:56:17,478 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,478 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,478 WARN L623 FunctionHandler]: Unknown extern function skb_pull_rcsum [2022-11-25 16:56:17,485 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 16:56:17,485 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,487 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-25 16:56:17,487 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:17,489 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,489 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,489 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:56:17,489 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:56:17,494 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:56:17,495 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:56:17,496 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,499 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,499 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,503 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:17,503 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,505 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:56:17,506 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,508 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:56:17,517 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-11-25 16:56:17,517 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:56:17,518 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-11-25 16:56:17,519 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:56:17,520 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:56:17,520 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:56:17,521 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:56:17,522 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 16:56:17,522 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 16:56:17,523 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:56:17,523 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:56:17,525 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-25 16:56:17,537 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:56:17,537 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:56:17,546 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-11-25 16:56:17,547 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:56:17,548 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:56:17,548 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:56:17,549 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 16:56:17,550 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 16:56:17,550 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:17,551 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:17,551 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:17,551 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 16:56:17,552 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 16:56:17,553 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:56:17,553 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 16:56:17,554 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:56:17,554 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:17,555 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:17,555 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:56:17,556 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-25 16:56:17,556 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:56:17,556 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:56:17,556 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:56:17,557 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:56:17,557 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:56:17,557 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:56:17,558 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 16:56:17,560 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:56:17,560 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-25 16:56:17,561 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-25 16:56:17,562 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:56:17,562 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-25 16:56:17,563 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-25 16:56:17,563 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:56:17,563 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:56:17,564 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:17,565 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:56:17,565 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:56:17,565 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:56:17,566 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:17,566 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:17,567 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-25 16:56:17,568 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 16:56:17,568 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-25 16:56:17,568 WARN L623 FunctionHandler]: Unknown extern function idr_pre_get [2022-11-25 16:56:17,569 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:56:17,569 WARN L623 FunctionHandler]: Unknown extern function idr_get_new_above [2022-11-25 16:56:17,570 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-25 16:56:17,570 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-25 16:56:17,571 WARN L623 FunctionHandler]: Unknown extern function idr_find [2022-11-25 16:56:17,571 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 16:56:17,574 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:56:17,574 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:56:17,575 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:56:17,576 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_b87f8a11-1ed9-417f-930d-4607ea8d026d/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-11-25 16:56:17,577 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-11-25 16:56:17,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:56:17,872 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:56:17,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:17 WrapperNode [2022-11-25 16:56:17,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:56:17,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:56:17,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:56:17,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:56:17,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:17" (1/1) ... [2022-11-25 16:56:17,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:17" (1/1) ... [2022-11-25 16:56:18,135 INFO L138 Inliner]: procedures = 301, calls = 1795, calls flagged for inlining = 144, calls inlined = 114, statements flattened = 4258 [2022-11-25 16:56:18,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:56:18,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:56:18,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:56:18,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:56:18,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:17" (1/1) ... [2022-11-25 16:56:18,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:17" (1/1) ... [2022-11-25 16:56:18,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:17" (1/1) ... [2022-11-25 16:56:18,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:17" (1/1) ... [2022-11-25 16:56:18,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:17" (1/1) ... [2022-11-25 16:56:18,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:17" (1/1) ... [2022-11-25 16:56:18,360 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:17" (1/1) ... [2022-11-25 16:56:18,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:17" (1/1) ... [2022-11-25 16:56:18,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:56:18,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:56:18,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:56:18,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:56:18,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:17" (1/1) ... [2022-11-25 16:56:18,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:56:18,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:56:18,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:56:18,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:56:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-11-25 16:56:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-11-25 16:56:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-25 16:56:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-25 16:56:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-25 16:56:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-25 16:56:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-11-25 16:56:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-11-25 16:56:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-25 16:56:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-11-25 16:56:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-11-25 16:56:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 16:56:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-25 16:56:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-25 16:56:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 16:56:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-25 16:56:18,496 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-25 16:56:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-25 16:56:18,496 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-25 16:56:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-11-25 16:56:18,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-11-25 16:56:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-11-25 16:56:18,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-11-25 16:56:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-11-25 16:56:18,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-11-25 16:56:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 16:56:18,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 16:56:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-25 16:56:18,497 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-25 16:56:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-25 16:56:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-25 16:56:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 16:56:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 16:56:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-11-25 16:56:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-11-25 16:56:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-25 16:56:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-25 16:56:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-11-25 16:56:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-11-25 16:56:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-11-25 16:56:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-11-25 16:56:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 16:56:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 16:56:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-11-25 16:56:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-11-25 16:56:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-11-25 16:56:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-11-25 16:56:18,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-25 16:56:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-25 16:56:18,500 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-25 16:56:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-25 16:56:18,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 16:56:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 16:56:18,500 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-11-25 16:56:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-11-25 16:56:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 16:56:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 16:56:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-11-25 16:56:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-11-25 16:56:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-11-25 16:56:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-11-25 16:56:18,502 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-11-25 16:56:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-11-25 16:56:18,502 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2022-11-25 16:56:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2022-11-25 16:56:18,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:56:18,502 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 16:56:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 16:56:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-25 16:56:18,503 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-25 16:56:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 16:56:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-25 16:56:18,503 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-25 16:56:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-25 16:56:18,503 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-25 16:56:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-25 16:56:18,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-25 16:56:18,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:56:18,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 16:56:18,504 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-11-25 16:56:18,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-11-25 16:56:18,504 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-25 16:56:18,504 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-25 16:56:18,504 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-25 16:56:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-25 16:56:18,505 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-25 16:56:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-25 16:56:18,505 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-25 16:56:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-25 16:56:18,505 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-11-25 16:56:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-11-25 16:56:18,505 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2022-11-25 16:56:18,506 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2022-11-25 16:56:18,506 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-25 16:56:18,506 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-25 16:56:18,506 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 16:56:18,506 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 16:56:18,506 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 16:56:18,506 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 16:56:18,506 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-11-25 16:56:18,506 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-11-25 16:56:18,507 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-11-25 16:56:18,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-11-25 16:56:18,507 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-25 16:56:18,507 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-25 16:56:18,507 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-25 16:56:18,507 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-25 16:56:18,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 16:56:18,507 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-25 16:56:18,508 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-25 16:56:18,508 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-11-25 16:56:18,508 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-11-25 16:56:18,508 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 16:56:18,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 16:56:18,508 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-11-25 16:56:18,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-11-25 16:56:18,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 16:56:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-11-25 16:56:18,509 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-11-25 16:56:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-25 16:56:18,509 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-25 16:56:18,510 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2022-11-25 16:56:18,510 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2022-11-25 16:56:18,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 16:56:18,510 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 16:56:18,510 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 16:56:18,510 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-25 16:56:18,511 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-25 16:56:18,511 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-11-25 16:56:18,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-11-25 16:56:18,511 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-11-25 16:56:18,511 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-11-25 16:56:18,511 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-11-25 16:56:18,511 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-11-25 16:56:18,511 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-11-25 16:56:18,511 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-11-25 16:56:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-11-25 16:56:18,512 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-11-25 16:56:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 16:56:18,512 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 16:56:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-11-25 16:56:18,512 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-11-25 16:56:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-11-25 16:56:18,512 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-11-25 16:56:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:56:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-25 16:56:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-25 16:56:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-25 16:56:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-25 16:56:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-25 16:56:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-25 16:56:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-11-25 16:56:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-11-25 16:56:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-11-25 16:56:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-11-25 16:56:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 16:56:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-25 16:56:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-25 16:56:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-25 16:56:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-25 16:56:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:56:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-25 16:56:18,515 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-25 16:56:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 16:56:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 16:56:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-11-25 16:56:18,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-11-25 16:56:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 16:56:18,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 16:56:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-25 16:56:18,516 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-25 16:56:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-25 16:56:18,516 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-25 16:56:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-25 16:56:18,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-25 16:56:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-25 16:56:18,517 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-25 16:56:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-11-25 16:56:18,517 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-11-25 16:56:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-25 16:56:18,517 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-25 16:56:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-25 16:56:18,517 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-25 16:56:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 16:56:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 16:56:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-11-25 16:56:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-11-25 16:56:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-25 16:56:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-25 16:56:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-11-25 16:56:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-11-25 16:56:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 16:56:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 16:56:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2022-11-25 16:56:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2022-11-25 16:56:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-11-25 16:56:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-11-25 16:56:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2022-11-25 16:56:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2022-11-25 16:56:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:56:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-11-25 16:56:18,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-11-25 16:56:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 16:56:18,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 16:56:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:56:18,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:56:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-25 16:56:18,520 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-25 16:56:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-25 16:56:18,521 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-25 16:56:19,259 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:56:19,267 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:56:20,000 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-11-25 16:56:20,001 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-11-25 16:56:21,091 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 16:56:21,095 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 16:56:21,097 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 16:56:21,704 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2022-11-25 16:56:21,704 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2022-11-25 16:56:21,704 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##256: assume !false; [2022-11-25 16:56:21,704 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##255: assume false; [2022-11-25 16:56:21,704 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume !false; [2022-11-25 16:56:21,704 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume false; [2022-11-25 16:56:21,705 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume !false; [2022-11-25 16:56:21,705 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##212: assume false; [2022-11-25 16:56:21,705 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2022-11-25 16:56:21,705 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2022-11-25 16:56:21,705 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2022-11-25 16:56:21,705 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2022-11-25 16:56:21,705 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2022-11-25 16:56:21,705 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2022-11-25 16:56:21,705 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2022-11-25 16:56:21,706 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2022-11-25 16:56:21,706 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2022-11-25 16:56:21,706 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2022-11-25 16:56:21,706 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2022-11-25 16:56:21,706 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2022-11-25 16:56:21,706 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-11-25 16:56:21,706 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2022-11-25 16:56:21,706 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2022-11-25 16:56:21,706 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2022-11-25 16:56:21,707 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2022-11-25 16:56:21,707 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-11-25 16:56:21,707 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2022-11-25 16:56:21,707 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2022-11-25 16:56:21,707 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2022-11-25 16:56:21,707 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2022-11-25 16:56:21,707 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-11-25 16:56:21,707 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-11-25 16:56:21,893 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 16:56:21,901 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 16:56:22,704 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 [2022-11-25 16:56:22,704 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; [2022-11-25 16:56:22,704 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; [2022-11-25 16:56:22,704 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 [2022-11-25 16:56:22,704 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2022-11-25 16:56:22,705 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2022-11-25 16:56:22,705 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2022-11-25 16:56:22,705 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2022-11-25 16:56:22,705 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-11-25 16:56:22,705 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-11-25 16:56:22,705 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2022-11-25 16:56:22,705 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2022-11-25 16:56:22,775 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:56:22,791 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:56:22,792 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-25 16:56:22,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:56:22 BoogieIcfgContainer [2022-11-25 16:56:22,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:56:22,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:56:22,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:56:22,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:56:22,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:56:14" (1/3) ... [2022-11-25 16:56:22,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e1e474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:56:22, skipping insertion in model container [2022-11-25 16:56:22,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:17" (2/3) ... [2022-11-25 16:56:22,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e1e474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:56:22, skipping insertion in model container [2022-11-25 16:56:22,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:56:22" (3/3) ... [2022-11-25 16:56:22,804 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-11-25 16:56:22,824 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:56:22,824 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 16:56:22,949 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:56:22,956 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=PETRI_NET, 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;@35a5b4ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:56:22,956 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 16:56:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 1462 states, 1035 states have (on average 1.3565217391304347) internal successors, (1404), 1070 states have internal predecessors, (1404), 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) [2022-11-25 16:56:22,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 16:56:22,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:56:22,974 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:56:22,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:56:22,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:56:22,981 INFO L85 PathProgramCache]: Analyzing trace with hash 145636797, now seen corresponding path program 1 times [2022-11-25 16:56:22,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:56:22,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994159220] [2022-11-25 16:56:22,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:56:22,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:56:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:56:23,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:56:23,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994159220] [2022-11-25 16:56:23,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994159220] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:56:23,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:56:23,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:56:23,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138059051] [2022-11-25 16:56:23,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:56:23,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:56:23,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:56:23,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:56:23,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:56:23,568 INFO L87 Difference]: Start difference. First operand has 1462 states, 1035 states have (on average 1.3565217391304347) internal successors, (1404), 1070 states have internal predecessors, (1404), 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 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) [2022-11-25 16:56:23,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:56:23,943 INFO L93 Difference]: Finished difference Result 4340 states and 6277 transitions. [2022-11-25 16:56:23,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:56:23,960 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 [2022-11-25 16:56:23,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:56:24,013 INFO L225 Difference]: With dead ends: 4340 [2022-11-25 16:56:24,013 INFO L226 Difference]: Without dead ends: 2864 [2022-11-25 16:56:24,034 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 [2022-11-25 16:56:24,037 INFO L413 NwaCegarLoop]: 2393 mSDtfsCounter, 2017 mSDsluCounter, 1998 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2017 SdHoareTripleChecker+Valid, 4391 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 [2022-11-25 16:56:24,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2017 Valid, 4391 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:56:24,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-11-25 16:56:24,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2861. [2022-11-25 16:56:24,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2861 states, 2019 states have (on average 1.328875681030213) internal successors, (2683), 2086 states have internal predecessors, (2683), 651 states have call successors, (651), 191 states have call predecessors, (651), 190 states have return successors, (655), 633 states have call predecessors, (655), 649 states have call successors, (655) [2022-11-25 16:56:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2861 states and 3989 transitions. [2022-11-25 16:56:24,442 INFO L78 Accepts]: Start accepts. Automaton has 2861 states and 3989 transitions. Word has length 12 [2022-11-25 16:56:24,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:56:24,442 INFO L495 AbstractCegarLoop]: Abstraction has 2861 states and 3989 transitions. [2022-11-25 16:56:24,443 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) [2022-11-25 16:56:24,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2861 states and 3989 transitions. [2022-11-25 16:56:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-25 16:56:24,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:56:24,462 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] [2022-11-25 16:56:24,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:56:24,462 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:56:24,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:56:24,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1016513469, now seen corresponding path program 1 times [2022-11-25 16:56:24,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:56:24,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091984989] [2022-11-25 16:56:24,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:56:24,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:56:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:24,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 16:56:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:24,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 16:56:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:24,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 16:56:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:24,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 16:56:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:24,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 16:56:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:24,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-25 16:56:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-25 16:56:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 16:56:24,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:56:24,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091984989] [2022-11-25 16:56:24,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091984989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:56:24,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:56:24,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:56:24,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090887366] [2022-11-25 16:56:24,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:56:24,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:56:24,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:56:24,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:56:24,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:56:24,946 INFO L87 Difference]: Start difference. First operand 2861 states and 3989 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-25 16:56:29,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:56:29,532 INFO L93 Difference]: Finished difference Result 6332 states and 8962 transitions. [2022-11-25 16:56:29,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:56:29,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (12), 3 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 [2022-11-25 16:56:29,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:56:29,556 INFO L225 Difference]: With dead ends: 6332 [2022-11-25 16:56:29,556 INFO L226 Difference]: Without dead ends: 3498 [2022-11-25 16:56:29,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:56:29,615 INFO L413 NwaCegarLoop]: 1529 mSDtfsCounter, 943 mSDsluCounter, 1873 mSDsCounter, 0 mSdLazyCounter, 1925 mSolverCounterSat, 379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1114 SdHoareTripleChecker+Valid, 3402 SdHoareTripleChecker+Invalid, 2304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 379 IncrementalHoareTripleChecker+Valid, 1925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-25 16:56:29,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1114 Valid, 3402 Invalid, 2304 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [379 Valid, 1925 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-25 16:56:29,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3498 states. [2022-11-25 16:56:29,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3498 to 3140. [2022-11-25 16:56:29,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3140 states, 2240 states have (on average 1.3352678571428571) internal successors, (2991), 2309 states have internal predecessors, (2991), 709 states have call successors, (709), 191 states have call predecessors, (709), 190 states have return successors, (714), 691 states have call predecessors, (714), 707 states have call successors, (714) [2022-11-25 16:56:29,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4414 transitions. [2022-11-25 16:56:29,801 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4414 transitions. Word has length 74 [2022-11-25 16:56:29,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:56:29,802 INFO L495 AbstractCegarLoop]: Abstraction has 3140 states and 4414 transitions. [2022-11-25 16:56:29,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-25 16:56:29,802 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4414 transitions. [2022-11-25 16:56:29,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-25 16:56:29,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:56:29,811 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2022-11-25 16:56:29,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 16:56:29,811 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:56:29,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:56:29,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1819556806, now seen corresponding path program 1 times [2022-11-25 16:56:29,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:56:29,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087917056] [2022-11-25 16:56:29,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:56:29,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:56:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:29,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 16:56:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:29,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 16:56:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:29,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-25 16:56:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:29,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-25 16:56:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:29,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-25 16:56:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:29,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 16:56:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:30,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-25 16:56:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:30,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 16:56:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:30,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 16:56:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:30,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-25 16:56:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:30,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 16:56:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:30,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-25 16:56:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:30,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 16:56:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-25 16:56:30,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:56:30,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087917056] [2022-11-25 16:56:30,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087917056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:56:30,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:56:30,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:56:30,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295140708] [2022-11-25 16:56:30,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:56:30,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:56:30,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:56:30,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:56:30,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:56:30,082 INFO L87 Difference]: Start difference. First operand 3140 states and 4414 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 16:56:34,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:56:34,351 INFO L93 Difference]: Finished difference Result 6600 states and 9392 transitions. [2022-11-25 16:56:34,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:56:34,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 113 [2022-11-25 16:56:34,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:56:34,376 INFO L225 Difference]: With dead ends: 6600 [2022-11-25 16:56:34,376 INFO L226 Difference]: Without dead ends: 3488 [2022-11-25 16:56:34,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:56:34,404 INFO L413 NwaCegarLoop]: 1449 mSDtfsCounter, 773 mSDsluCounter, 1860 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 347 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 902 SdHoareTripleChecker+Valid, 3309 SdHoareTripleChecker+Invalid, 2223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 347 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:56:34,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [902 Valid, 3309 Invalid, 2223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [347 Valid, 1876 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-25 16:56:34,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3488 states. [2022-11-25 16:56:34,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3488 to 3142. [2022-11-25 16:56:34,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3142 states, 2242 states have (on average 1.3349687778768957) internal successors, (2993), 2311 states have internal predecessors, (2993), 709 states have call successors, (709), 191 states have call predecessors, (709), 190 states have return successors, (714), 691 states have call predecessors, (714), 707 states have call successors, (714) [2022-11-25 16:56:34,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3142 states to 3142 states and 4416 transitions. [2022-11-25 16:56:34,613 INFO L78 Accepts]: Start accepts. Automaton has 3142 states and 4416 transitions. Word has length 113 [2022-11-25 16:56:34,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:56:34,613 INFO L495 AbstractCegarLoop]: Abstraction has 3142 states and 4416 transitions. [2022-11-25 16:56:34,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 16:56:34,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3142 states and 4416 transitions. [2022-11-25 16:56:34,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-25 16:56:34,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:56:34,620 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:56:34,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 16:56:34,620 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:56:34,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:56:34,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1882015823, now seen corresponding path program 1 times [2022-11-25 16:56:34,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:56:34,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988507547] [2022-11-25 16:56:34,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:56:34,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:56:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:35,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-25 16:56:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:35,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-25 16:56:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:35,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-25 16:56:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-25 16:56:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:35,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 16:56:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:35,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-25 16:56:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:35,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 16:56:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:35,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 16:56:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:35,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-25 16:56:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:35,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 16:56:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:35,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-25 16:56:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:35,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 16:56:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-25 16:56:35,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:56:35,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988507547] [2022-11-25 16:56:35,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988507547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:56:35,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:56:35,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 16:56:35,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230838118] [2022-11-25 16:56:35,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:56:35,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 16:56:35,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:56:35,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 16:56:35,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:56:35,412 INFO L87 Difference]: Start difference. First operand 3142 states and 4416 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-25 16:56:40,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:56:40,950 INFO L93 Difference]: Finished difference Result 6602 states and 9363 transitions. [2022-11-25 16:56:40,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 16:56:40,951 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 113 [2022-11-25 16:56:40,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:56:40,973 INFO L225 Difference]: With dead ends: 6602 [2022-11-25 16:56:40,973 INFO L226 Difference]: Without dead ends: 3484 [2022-11-25 16:56:40,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:56:40,987 INFO L413 NwaCegarLoop]: 1459 mSDtfsCounter, 772 mSDsluCounter, 4415 mSDsCounter, 0 mSdLazyCounter, 3530 mSolverCounterSat, 346 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 901 SdHoareTripleChecker+Valid, 5874 SdHoareTripleChecker+Invalid, 3876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 346 IncrementalHoareTripleChecker+Valid, 3530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-25 16:56:40,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [901 Valid, 5874 Invalid, 3876 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [346 Valid, 3530 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-11-25 16:56:40,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3484 states. [2022-11-25 16:56:41,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3484 to 3142. [2022-11-25 16:56:41,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3142 states, 2242 states have (on average 1.3340767172167707) internal successors, (2991), 2309 states have internal predecessors, (2991), 709 states have call successors, (709), 191 states have call predecessors, (709), 190 states have return successors, (714), 691 states have call predecessors, (714), 707 states have call successors, (714) [2022-11-25 16:56:41,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3142 states to 3142 states and 4414 transitions. [2022-11-25 16:56:41,199 INFO L78 Accepts]: Start accepts. Automaton has 3142 states and 4414 transitions. Word has length 113 [2022-11-25 16:56:41,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:56:41,201 INFO L495 AbstractCegarLoop]: Abstraction has 3142 states and 4414 transitions. [2022-11-25 16:56:41,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-25 16:56:41,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3142 states and 4414 transitions. [2022-11-25 16:56:41,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-25 16:56:41,211 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:56:41,211 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] [2022-11-25 16:56:41,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 16:56:41,212 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:56:41,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:56:41,212 INFO L85 PathProgramCache]: Analyzing trace with hash -226686961, now seen corresponding path program 1 times [2022-11-25 16:56:41,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:56:41,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124722585] [2022-11-25 16:56:41,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:56:41,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:56:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:41,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 16:56:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:41,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-25 16:56:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:41,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-25 16:56:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:41,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 16:56:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:41,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 16:56:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:41,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-25 16:56:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:41,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-25 16:56:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:41,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-25 16:56:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:41,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-25 16:56:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:41,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 16:56:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:41,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-25 16:56:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:41,605 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 16:56:41,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:56:41,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124722585] [2022-11-25 16:56:41,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124722585] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:56:41,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106077498] [2022-11-25 16:56:41,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:56:41,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:56:41,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:56:41,610 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:56:41,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 16:56:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:42,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 1593 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 16:56:42,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:56:42,441 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 16:56:42,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 16:56:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 16:56:42,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106077498] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 16:56:42,572 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 16:56:42,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 8 [2022-11-25 16:56:42,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091822755] [2022-11-25 16:56:42,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 16:56:42,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 16:56:42,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:56:42,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 16:56:42,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:56:42,575 INFO L87 Difference]: Start difference. First operand 3142 states and 4414 transitions. Second operand has 8 states, 8 states have (on average 16.875) internal successors, (135), 6 states have internal predecessors, (135), 4 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-25 16:56:50,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:56:50,538 INFO L93 Difference]: Finished difference Result 7930 states and 11568 transitions. [2022-11-25 16:56:50,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 16:56:50,540 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 6 states have internal predecessors, (135), 4 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 107 [2022-11-25 16:56:50,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:56:50,568 INFO L225 Difference]: With dead ends: 7930 [2022-11-25 16:56:50,568 INFO L226 Difference]: Without dead ends: 4816 [2022-11-25 16:56:50,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 232 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-25 16:56:50,581 INFO L413 NwaCegarLoop]: 1500 mSDtfsCounter, 2490 mSDsluCounter, 4973 mSDsCounter, 0 mSdLazyCounter, 5489 mSolverCounterSat, 1210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2795 SdHoareTripleChecker+Valid, 6473 SdHoareTripleChecker+Invalid, 6699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1210 IncrementalHoareTripleChecker+Valid, 5489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-25 16:56:50,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2795 Valid, 6473 Invalid, 6699 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1210 Valid, 5489 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-11-25 16:56:50,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4816 states. [2022-11-25 16:56:50,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4816 to 3982. [2022-11-25 16:56:50,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3982 states, 2908 states have (on average 1.3535075653370015) internal successors, (3936), 2981 states have internal predecessors, (3936), 883 states have call successors, (883), 191 states have call predecessors, (883), 190 states have return successors, (891), 865 states have call predecessors, (891), 881 states have call successors, (891) [2022-11-25 16:56:50,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3982 states to 3982 states and 5710 transitions. [2022-11-25 16:56:50,817 INFO L78 Accepts]: Start accepts. Automaton has 3982 states and 5710 transitions. Word has length 107 [2022-11-25 16:56:50,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:56:50,818 INFO L495 AbstractCegarLoop]: Abstraction has 3982 states and 5710 transitions. [2022-11-25 16:56:50,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 6 states have internal predecessors, (135), 4 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-25 16:56:50,819 INFO L276 IsEmpty]: Start isEmpty. Operand 3982 states and 5710 transitions. [2022-11-25 16:56:50,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-25 16:56:50,829 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:56:50,830 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] [2022-11-25 16:56:50,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 16:56:51,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:56:51,038 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:56:51,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:56:51,039 INFO L85 PathProgramCache]: Analyzing trace with hash -822829001, now seen corresponding path program 1 times [2022-11-25 16:56:51,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:56:51,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714137548] [2022-11-25 16:56:51,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:56:51,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:56:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:51,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 16:56:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:51,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-25 16:56:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:51,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 16:56:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:52,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-25 16:56:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 16:56:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:52,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-25 16:56:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:52,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-25 16:56:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:52,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-25 16:56:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:52,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-25 16:56:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:52,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 16:56:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:52,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-25 16:56:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:56:52,115 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 16:56:52,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:56:52,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714137548] [2022-11-25 16:56:52,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714137548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:56:52,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:56:52,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 16:56:52,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150115508] [2022-11-25 16:56:52,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:56:52,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 16:56:52,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:56:52,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 16:56:52,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 16:56:52,119 INFO L87 Difference]: Start difference. First operand 3982 states and 5710 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 16:57:01,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:57:01,410 INFO L93 Difference]: Finished difference Result 8766 states and 12922 transitions. [2022-11-25 16:57:01,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 16:57:01,411 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 4 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 107 [2022-11-25 16:57:01,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:57:01,440 INFO L225 Difference]: With dead ends: 8766 [2022-11-25 16:57:01,440 INFO L226 Difference]: Without dead ends: 4812 [2022-11-25 16:57:01,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-25 16:57:01,460 INFO L413 NwaCegarLoop]: 1345 mSDtfsCounter, 1600 mSDsluCounter, 4365 mSDsCounter, 0 mSdLazyCounter, 5437 mSolverCounterSat, 961 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 5710 SdHoareTripleChecker+Invalid, 6398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 961 IncrementalHoareTripleChecker+Valid, 5437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-25 16:57:01,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1729 Valid, 5710 Invalid, 6398 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [961 Valid, 5437 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-11-25 16:57:01,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4812 states. [2022-11-25 16:57:01,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4812 to 3990. [2022-11-25 16:57:01,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3990 states, 2914 states have (on average 1.3534660260809883) internal successors, (3944), 2987 states have internal predecessors, (3944), 885 states have call successors, (885), 191 states have call predecessors, (885), 190 states have return successors, (893), 867 states have call predecessors, (893), 883 states have call successors, (893) [2022-11-25 16:57:01,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3990 states to 3990 states and 5722 transitions. [2022-11-25 16:57:01,684 INFO L78 Accepts]: Start accepts. Automaton has 3990 states and 5722 transitions. Word has length 107 [2022-11-25 16:57:01,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:57:01,686 INFO L495 AbstractCegarLoop]: Abstraction has 3990 states and 5722 transitions. [2022-11-25 16:57:01,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 16:57:01,686 INFO L276 IsEmpty]: Start isEmpty. Operand 3990 states and 5722 transitions. [2022-11-25 16:57:01,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-25 16:57:01,695 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:57:01,695 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:57:01,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 16:57:01,695 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:57:01,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:57:01,696 INFO L85 PathProgramCache]: Analyzing trace with hash -992409179, now seen corresponding path program 1 times [2022-11-25 16:57:01,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:57:01,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303373137] [2022-11-25 16:57:01,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:57:01,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:57:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:57:02,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:57:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:57:02,795 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:57:02,796 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 16:57:02,797 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 16:57:02,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 16:57:02,804 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:57:02,808 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:57:02,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:57:02 BoogieIcfgContainer [2022-11-25 16:57:02,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:57:02,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:57:02,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:57:02,991 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:57:02,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:56:22" (3/4) ... [2022-11-25 16:57:02,995 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 16:57:02,995 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:57:02,995 INFO L158 Benchmark]: Toolchain (without parser) took 48723.44ms. Allocated memory was 178.3MB in the beginning and 639.6MB in the end (delta: 461.4MB). Free memory was 131.3MB in the beginning and 258.6MB in the end (delta: -127.3MB). Peak memory consumption was 337.2MB. Max. memory is 16.1GB. [2022-11-25 16:57:02,996 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 178.3MB. Free memory was 144.1MB in the beginning and 144.1MB in the end (delta: 17.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:57:02,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3596.99ms. Allocated memory was 178.3MB in the beginning and 226.5MB in the end (delta: 48.2MB). Free memory was 131.3MB in the beginning and 110.6MB in the end (delta: 20.7MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. [2022-11-25 16:57:02,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 262.87ms. Allocated memory is still 226.5MB. Free memory was 110.6MB in the beginning and 85.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 16:57:02,997 INFO L158 Benchmark]: Boogie Preprocessor took 277.76ms. Allocated memory is still 226.5MB. Free memory was 85.4MB in the beginning and 136.6MB in the end (delta: -51.2MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2022-11-25 16:57:02,997 INFO L158 Benchmark]: RCFGBuilder took 4380.25ms. Allocated memory was 226.5MB in the beginning and 333.4MB in the end (delta: 107.0MB). Free memory was 136.6MB in the beginning and 115.8MB in the end (delta: 20.9MB). Peak memory consumption was 134.1MB. Max. memory is 16.1GB. [2022-11-25 16:57:02,998 INFO L158 Benchmark]: TraceAbstraction took 40192.83ms. Allocated memory was 333.4MB in the beginning and 639.6MB in the end (delta: 306.2MB). Free memory was 114.7MB in the beginning and 258.6MB in the end (delta: -143.8MB). Peak memory consumption was 162.3MB. Max. memory is 16.1GB. [2022-11-25 16:57:02,998 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 639.6MB. Free memory is still 258.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:57:03,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 178.3MB. Free memory was 144.1MB in the beginning and 144.1MB in the end (delta: 17.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3596.99ms. Allocated memory was 178.3MB in the beginning and 226.5MB in the end (delta: 48.2MB). Free memory was 131.3MB in the beginning and 110.6MB in the end (delta: 20.7MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 262.87ms. Allocated memory is still 226.5MB. Free memory was 110.6MB in the beginning and 85.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 277.76ms. Allocated memory is still 226.5MB. Free memory was 85.4MB in the beginning and 136.6MB in the end (delta: -51.2MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4380.25ms. Allocated memory was 226.5MB in the beginning and 333.4MB in the end (delta: 107.0MB). Free memory was 136.6MB in the beginning and 115.8MB in the end (delta: 20.9MB). Peak memory consumption was 134.1MB. Max. memory is 16.1GB. * TraceAbstraction took 40192.83ms. Allocated memory was 333.4MB in the beginning and 639.6MB in the end (delta: 306.2MB). Free memory was 114.7MB in the beginning and 258.6MB in the end (delta: -143.8MB). Peak memory consumption was 162.3MB. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 639.6MB. Free memory is still 258.6MB. 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; VAL [__this_module={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, arg0={18446744073709551869:18446744073709551890}, arg0={18446744073709551869:18446744073709551890}, arg1={20:0}, arg1={20:0}, arg2={93:0}, arg2={93:0}, 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={93:0}, __this_module={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={93:0}, __this_module={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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 TRUE tmp___0 == 0 VAL [__this_module={18446744073709551869:18446744073709551890}, 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=0, tmp___1=-2] [L10694] COND TRUE ldv_s_ppp_device_fops_file_operations == 0 VAL [__this_module={18446744073709551869:18446744073709551890}, 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=0, tmp___1=-2] [L10696] CALL, EXPR ppp_open(var_group2, var_group1) VAL [__this_module={18446744073709551869:18446744073709551890}, 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}] [L6316] bool tmp ; [L6317] int tmp___0 ; [L6320] CALL, EXPR capable(12) [L11058] return __VERIFIER_nondet_bool(); [L6320] RET, EXPR capable(12) [L6320] tmp = capable(12) [L6322] COND TRUE \read(tmp) [L6323] tmp___0 = 0 VAL [__this_module={18446744073709551869:18446744073709551890}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={18446744073709551878:-4}, file={18446744073709551878:-4}, inode={18446744073709551865:18446744073709551861}, inode={18446744073709551865:18446744073709551861}, 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=1, tmp___0=0] [L6327] COND FALSE !(\read(tmp___0)) [L6331] return (0); VAL [\result=0, __this_module={18446744073709551869:18446744073709551890}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={18446744073709551878:-4}, file={18446744073709551878:-4}, inode={18446744073709551865:18446744073709551861}, inode={18446744073709551865:18446744073709551861}, 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=1, tmp___0=0] [L10696] RET, EXPR ppp_open(var_group2, var_group1) VAL [__this_module={18446744073709551869:18446744073709551890}, 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_open(var_group2, var_group1)=0, ppp_unit_count={61:0}, tmp=0, tmp___0=0, tmp___1=-2, var_group1={18446744073709551878:-4}, var_group2={18446744073709551865:18446744073709551861}] [L10696] res_ppp_open_3 = ppp_open(var_group2, var_group1) [L10697] FCALL ldv_check_return_value(res_ppp_open_3) VAL [__this_module={18446744073709551869:18446744073709551890}, 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}, res_ppp_open_3=0, tmp=0, tmp___0=0, tmp___1=-2, var_group1={18446744073709551878:-4}, var_group2={18446744073709551865:18446744073709551861}] [L10699] COND FALSE !(res_ppp_open_3 != 0) [L10703] ldv_s_ppp_device_fops_file_operations = ldv_s_ppp_device_fops_file_operations + 1 VAL [__this_module={18446744073709551869:18446744073709551890}, 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=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}, res_ppp_open_3=0, tmp=0, tmp___0=0, tmp___1=-2, var_group1={18446744073709551878:-4}, var_group2={18446744073709551865:18446744073709551861}] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={18446744073709551869:18446744073709551890}, 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=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}, res_ppp_open_3=0, tmp=0, tmp___0=0, tmp___1=-3, var_group1={18446744073709551878:-4}, var_group2={18446744073709551865:18446744073709551861}] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={18446744073709551869:18446744073709551890}, 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=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}, res_ppp_open_3=0, tmp=0, tmp___0=5, tmp___1=-3, var_group1={18446744073709551878:-4}, var_group2={18446744073709551865:18446744073709551861}] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={18446744073709551869:18446744073709551890}, 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=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}, res_ppp_open_3=0, tmp=0, tmp___0=5, tmp___1=-3, var_group1={18446744073709551878:-4}, var_group2={18446744073709551865:18446744073709551861}] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={18446744073709551869:18446744073709551890}, 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=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}, res_ppp_open_3=0, tmp=0, tmp___0=5, tmp___1=-3, var_group1={18446744073709551878:-4}, var_group2={18446744073709551865:18446744073709551861}] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={18446744073709551869:18446744073709551890}, 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=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}, res_ppp_open_3=0, tmp=0, tmp___0=5, tmp___1=-3, var_group1={18446744073709551878:-4}, var_group2={18446744073709551865:18446744073709551861}] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={18446744073709551869:18446744073709551890}, 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=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}, res_ppp_open_3=0, tmp=0, tmp___0=5, tmp___1=-3, var_group1={18446744073709551878:-4}, var_group2={18446744073709551865:18446744073709551861}] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={18446744073709551869:18446744073709551890}, 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=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}, res_ppp_open_3=0, tmp=0, tmp___0=5, tmp___1=-3, var_group1={18446744073709551878:-4}, var_group2={18446744073709551865:18446744073709551861}] [L10753] CALL ppp_ioctl(var_group1, var_ppp_ioctl_9_p1, var_ppp_ioctl_9_p2) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551890}, 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)=18446744073709551611, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551890}, arg=18446744073709551611, argp={0:-5}, channel_count={62:0}, cmd=1074033753, code={97:0}, code___0={91:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551878:-4}, file={18446744073709551878:-4}, idle={95:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={94:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-5}, 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)=18446744073709551611, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551890}, arg=18446744073709551611, argp={0:-5}, channel_count={62:0}, cmd=1074033753, code={97:0}, code___0={91:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551878:-4}, file={18446744073709551878:-4}, idle={95:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={94:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-5}, 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)=18446744073709551611, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551890}, arg=18446744073709551611, argp={0:-5}, channel_count={62:0}, cmd=1074033753, code={97:0}, code___0={91:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551878:-4}, file={18446744073709551878:-4}, idle={95:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={94:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-5}, pf={18446744073709551854:-237}, pf->kind=-8589934591, 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)=18446744073709551611, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551890}, arg=18446744073709551611, argp={0:-5}, channel_count={62:0}, cmd=1074033753, code={97:0}, code___0={91:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551878:-4}, file={18446744073709551878:-4}, idle={95:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={94:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-5}, pf={18446744073709551854:-237}, pf->kind=-8589934591, 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)=18446744073709551611, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551890}, arg=18446744073709551611, argp={0:-5}, channel_count={62:0}, cmd=1074033753, code={97:0}, code___0={91:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551878:-4}, file={18446744073709551878:-4}, idle={95:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={94:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-5}, 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)=18446744073709551611, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __this_module={18446744073709551869:18446744073709551890}, arg=18446744073709551611, argp={0:-5}, channel_count={62:0}, cmd=1074033753, code={97:0}, code___0={91:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551878:-4}, file={18446744073709551878:-4}, idle={95:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={94:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-5}, 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)=18446744073709551611, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __this_module={18446744073709551869:18446744073709551890}, arg=18446744073709551611, argp={0:-5}, channel_count={62:0}, cmd=1074033753, code={97:0}, code___0={91:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551878:-4}, file={18446744073709551878:-4}, idle={95:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={94:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-5}, 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)=18446744073709551611, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __this_module={18446744073709551869:18446744073709551890}, arg=18446744073709551611, argp={0:-5}, channel_count={62:0}, cmd=1074033753, code={97:0}, code___0={91:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551878:-4}, file={18446744073709551878:-4}, idle={95:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={94:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-5}, 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)=18446744073709551611, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __this_module={18446744073709551869:18446744073709551890}, arg=18446744073709551611, argp={0:-5}, channel_count={62:0}, cmd=1074033753, code={97:0}, code___0={91:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551878:-4}, file={18446744073709551878:-4}, idle={95:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={94:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-5}, 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)=18446744073709551611, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __this_module={18446744073709551869:18446744073709551890}, __val_gu___1=4294967290, arg=18446744073709551611, argp={0:-5}, channel_count={62:0}, cmd=1074033753, code={97:0}, code___0={91:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551878:-4}, file={18446744073709551878:-4}, idle={95:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={94:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-5}, 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=-6] [L7038] COND FALSE !(__ret_gu___1 != 0) VAL [\old(arg)=18446744073709551611, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __ret_gu___1=0, __this_module={18446744073709551869:18446744073709551890}, __val_gu___1=4294967290, arg=18446744073709551611, argp={0:-5}, channel_count={62:0}, cmd=1074033753, code={97:0}, code___0={91:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551878:-4}, file={18446744073709551878:-4}, idle={95:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={94:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-5}, 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=-6] [L7043] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551890}, 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)=18446744073709551611, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __ret_gu___1=0, __this_module={18446744073709551869:18446744073709551890}, __val_gu___1=4294967290, arg=18446744073709551611, argp={0:-5}, channel_count={62:0}, cmd=1074033753, code={97:0}, code___0={91:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551878:-4}, file={18446744073709551878:-4}, idle={95:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={94:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-5}, 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=-6] [L7044] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551890}, 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)=18446744073709551611, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __ret_gu___1=0, __this_module={18446744073709551869:18446744073709551890}, __val_gu___1=4294967290, arg=18446744073709551611, argp={0:-5}, channel_count={62:0}, cmd=1074033753, code={97:0}, code___0={91:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551878:-4}, file={18446744073709551878:-4}, idle={95:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={94:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-5}, 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=-6] [L7045] EXPR ppp->flags [L7045] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7046] ppp->flags = (unsigned int )val & 4214508U VAL [\old(arg)=18446744073709551611, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __ret_gu___1=0, __this_module={18446744073709551869:18446744073709551890}, __val_gu___1=4294967290, arg=18446744073709551611, argp={0:-5}, cflags=79, channel_count={62:0}, cmd=1074033753, code={97:0}, code___0={91:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551878:-4}, file={18446744073709551878:-4}, idle={95:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={94:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-5}, 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=-6] [L7047] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551890}, 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)=18446744073709551611, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __ret_gu___1=0, __this_module={18446744073709551869:18446744073709551890}, __val_gu___1=4294967290, arg=18446744073709551611, argp={0:-5}, cflags=79, channel_count={62:0}, cmd=1074033753, code={97:0}, code___0={91:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551878:-4}, file={18446744073709551878:-4}, idle={95:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={94:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-5}, 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=-6] [L7048] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551890}, 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)=18446744073709551611, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __ret_gu___1=0, __this_module={18446744073709551869:18446744073709551890}, __val_gu___1=4294967290, arg=18446744073709551611, argp={0:-5}, cflags=79, channel_count={62:0}, cmd=1074033753, code={97:0}, code___0={91:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551878:-4}, file={18446744073709551878:-4}, idle={95:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={94:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-5}, 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=-6] [L7050] COND TRUE (cflags & 64) != 0 VAL [\old(arg)=18446744073709551611, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={18446744073709551854:-237}, __ret_gu___1=0, __this_module={18446744073709551869:18446744073709551890}, __val_gu___1=4294967290, arg=18446744073709551611, argp={0:-5}, cflags=79, channel_count={62:0}, cmd=1074033753, code={97:0}, code___0={91:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551878:-4}, file={18446744073709551878:-4}, idle={95:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={94:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-5}, 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=-6] [L7052] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551887:18446744073709551868}, rstate={18446744073709551892:18446744073709551886}, xcomp={18446744073709551544:-19}, xstate={18446744073709551544:73}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551887:18446744073709551868}, rstate={18446744073709551892:18446744073709551886}, xcomp={18446744073709551544:-19}, xstate={18446744073709551544:73}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551887:18446744073709551868}, rstate={18446744073709551892:18446744073709551886}, xcomp={18446744073709551544:-19}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551887:18446744073709551868}, rstate={18446744073709551892:18446744073709551886}, xcomp={18446744073709551544:-19}, xcomp->comp_free={-1:12}, xstate={18446744073709551544:73}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551887:18446744073709551868}, rstate={18446744073709551892:18446744073709551886}, xcomp={18446744073709551544:-19}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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={18446744073709551869:18446744073709551890}, 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, 1462 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 39.9s, OverallIterations: 7, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 32.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9458 SdHoareTripleChecker+Valid, 29.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8595 mSDsluCounter, 29159 SdHoareTripleChecker+Invalid, 26.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19484 mSDsCounter, 3245 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18265 IncrementalHoareTripleChecker+Invalid, 21510 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3245 mSolverCounterUnsat, 9675 mSDtfsCounter, 18265 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 353 GetRequests, 324 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3990occurred in iteration=6, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 2705 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 761 NumberOfCodeBlocks, 761 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 732 ConstructedInterpolants, 0 QuantifiedInterpolants, 1173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1593 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 147/159 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 [2022-11-25 16:57:03,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.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_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R --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 Automizer --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 [2022-11-25 16:57:05,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:57:05,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:57:05,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:57:05,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:57:05,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:57:05,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:57:05,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:57:05,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:57:05,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:57:05,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:57:05,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:57:05,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:57:05,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:57:05,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:57:05,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:57:05,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:57:05,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:57:05,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:57:05,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:57:05,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:57:05,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:57:05,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:57:05,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:57:05,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:57:05,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:57:05,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:57:05,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:57:05,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:57:05,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:57:05,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:57:05,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:57:05,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:57:05,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:57:05,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:57:05,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:57:05,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:57:05,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:57:05,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:57:05,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:57:05,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:57:05,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 16:57:05,470 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:57:05,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:57:05,471 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:57:05,471 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:57:05,472 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:57:05,472 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:57:05,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:57:05,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:57:05,473 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:57:05,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:57:05,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:57:05,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:57:05,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:57:05,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:57:05,474 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 16:57:05,474 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 16:57:05,475 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 16:57:05,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:57:05,475 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:57:05,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:57:05,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:57:05,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:57:05,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:57:05,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:57:05,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:57:05,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:57:05,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:57:05,477 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 16:57:05,477 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 16:57:05,478 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:57:05,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:57:05,478 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:57:05,478 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:57:05,478 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 16:57:05,479 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2022-11-25 16:57:05,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:57:05,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:57:05,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:57:05,854 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:57:05,854 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:57:05,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-11-25 16:57:08,841 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:57:09,546 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:57:09,547 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-11-25 16:57:09,613 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/data/6f32d15e6/0043e1af248446de92aac89f91782d13/FLAGf47f0abb8 [2022-11-25 16:57:09,638 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/data/6f32d15e6/0043e1af248446de92aac89f91782d13 [2022-11-25 16:57:09,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:57:09,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:57:09,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:57:09,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:57:09,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:57:09,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:57:09" (1/1) ... [2022-11-25 16:57:09,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ccfee53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:09, skipping insertion in model container [2022-11-25 16:57:09,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:57:09" (1/1) ... [2022-11-25 16:57:09,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:57:09,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:57:10,382 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 16:57:10,390 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 16:57:10,407 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 16:57:10,488 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 16:57:10,621 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 16:57:10,625 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 16:57:10,631 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 16:57:10,635 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 16:57:10,693 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 16:57:10,694 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 16:57:10,703 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 16:57:10,707 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 16:57:10,794 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-25 16:57:10,809 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:10,810 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:57:10,828 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:57:10,829 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 16:57:10,833 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:10,834 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 16:57:10,860 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-25 16:57:10,908 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:57:10,955 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-25 16:57:10,987 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 16:57:11,012 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-11-25 16:57:11,016 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-11-25 16:57:11,076 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 16:57:11,079 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 16:57:11,090 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 16:57:11,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:11,222 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 16:57:11,225 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-25 16:57:11,376 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 16:57:11,400 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 16:57:11,402 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 16:57:11,402 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:57:11,411 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 16:57:11,414 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 16:57:11,415 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 16:57:11,416 WARN L623 FunctionHandler]: Unknown extern function skb_copy_datagram_iovec [2022-11-25 16:57:11,418 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,429 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:11,430 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,430 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:11,446 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-25 16:57:11,450 WARN L623 FunctionHandler]: Unknown extern function sk_chk_filter [2022-11-25 16:57:11,451 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:11,458 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:11,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:11,460 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:11,461 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:11,461 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:11,462 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-25 16:57:11,464 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-25 16:57:11,465 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:11,465 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:11,466 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:11,467 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:11,468 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:11,471 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:11,471 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:11,473 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:11,474 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:11,475 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:11,481 WARN L623 FunctionHandler]: Unknown extern function slhc_init [2022-11-25 16:57:11,482 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:11,483 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-25 16:57:11,489 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:11,491 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:11,493 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:11,496 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:11,499 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:11,501 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:11,503 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:11,504 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:11,513 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:11,514 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:11,517 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:11,519 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:11,525 WARN L623 FunctionHandler]: Unknown extern function idr_init [2022-11-25 16:57:11,527 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 16:57:11,530 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:57:11,536 WARN L623 FunctionHandler]: Unknown extern function idr_destroy [2022-11-25 16:57:11,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:11,543 WARN L623 FunctionHandler]: Unknown extern function register_pernet_device [2022-11-25 16:57:11,544 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:11,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:11,550 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-11-25 16:57:11,551 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-25 16:57:11,553 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-25 16:57:11,565 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:57:11,567 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:11,568 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,603 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:57:11,609 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 16:57:11,610 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:11,612 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,612 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:11,612 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:57:11,613 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,613 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 16:57:11,614 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:11,614 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,614 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,616 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:57:11,616 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:57:11,617 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:57:11,618 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,650 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:57:11,651 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:57:11,653 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:11,654 WARN L623 FunctionHandler]: Unknown extern function slhc_compress [2022-11-25 16:57:11,655 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,656 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,657 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:11,658 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 16:57:11,659 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:11,660 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:11,661 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:11,661 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,663 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,666 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,666 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,679 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:11,682 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:11,682 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:11,684 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:11,686 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:57:11,687 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-11-25 16:57:11,688 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:11,688 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:57:11,689 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:57:11,693 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,694 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,694 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:57:11,695 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,696 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:11,697 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,697 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:57:11,698 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:11,698 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:57:11,699 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:57:11,700 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:57:11,702 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,703 WARN L623 FunctionHandler]: Unknown extern function slhc_toss [2022-11-25 16:57:11,705 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-25 16:57:11,706 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:11,707 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:11,707 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-11-25 16:57:11,707 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,712 WARN L623 FunctionHandler]: Unknown extern function slhc_uncompress [2022-11-25 16:57:11,714 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:57:11,716 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:11,717 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 16:57:11,718 WARN L623 FunctionHandler]: Unknown extern function slhc_remember [2022-11-25 16:57:11,720 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:11,721 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:11,722 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,723 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:57:11,723 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:11,728 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 16:57:11,729 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:57:11,729 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:57:11,730 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:57:11,733 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,733 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:57:11,734 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,735 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,735 WARN L623 FunctionHandler]: Unknown extern function skb_pull_rcsum [2022-11-25 16:57:11,737 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 16:57:11,738 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,741 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-25 16:57:11,741 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:11,742 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,743 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,743 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:11,743 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:57:11,748 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:57:11,749 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:57:11,750 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,763 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,764 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,768 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:11,769 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,771 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:57:11,773 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,777 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:57:11,784 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-11-25 16:57:11,784 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:57:11,785 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-11-25 16:57:11,787 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:57:11,788 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:57:11,789 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:57:11,789 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:57:11,791 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 16:57:11,792 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 16:57:11,792 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:11,793 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:11,802 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-25 16:57:11,832 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:11,833 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:11,839 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-11-25 16:57:11,841 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:57:11,842 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:57:11,843 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:11,844 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 16:57:11,846 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 16:57:11,848 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:11,849 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:11,849 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:11,849 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 16:57:11,850 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 16:57:11,851 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:11,852 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 16:57:11,852 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:11,853 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:11,853 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:11,854 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:11,855 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-25 16:57:11,855 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:11,856 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:11,856 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:11,856 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:11,857 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:11,857 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:11,857 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 16:57:11,860 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:11,860 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-25 16:57:11,862 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-25 16:57:11,862 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:11,863 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-25 16:57:11,863 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-25 16:57:11,864 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:11,864 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:11,865 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:11,866 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:11,866 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:11,866 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:11,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:11,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:11,871 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-25 16:57:11,872 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 16:57:11,872 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-25 16:57:11,888 WARN L623 FunctionHandler]: Unknown extern function idr_pre_get [2022-11-25 16:57:11,889 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:11,889 WARN L623 FunctionHandler]: Unknown extern function idr_get_new_above [2022-11-25 16:57:11,890 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-25 16:57:11,891 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-25 16:57:11,891 WARN L623 FunctionHandler]: Unknown extern function idr_find [2022-11-25 16:57:11,908 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 16:57:11,911 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:57:11,912 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:57:11,913 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:57:11,919 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_b87f8a11-1ed9-417f-930d-4607ea8d026d/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-11-25 16:57:11,932 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-11-25 16:57:11,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:57:12,033 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-25 16:57:12,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:57:12,207 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 16:57:12,208 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 16:57:12,208 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 16:57:12,210 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 16:57:12,213 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 16:57:12,214 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 16:57:12,214 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 16:57:12,214 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 16:57:12,218 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 16:57:12,219 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 16:57:12,219 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 16:57:12,220 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 16:57:12,223 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-25 16:57:12,224 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,224 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:57:12,225 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:57:12,225 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 16:57:12,226 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,227 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 16:57:12,228 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-25 16:57:12,237 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:57:12,258 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-25 16:57:12,263 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 16:57:12,264 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-11-25 16:57:12,264 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-11-25 16:57:12,267 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 16:57:12,268 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 16:57:12,269 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 16:57:12,269 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:12,272 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 16:57:12,276 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-25 16:57:12,281 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 16:57:12,287 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 16:57:12,288 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 16:57:12,288 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:57:12,289 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 16:57:12,294 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 16:57:12,294 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 16:57:12,295 WARN L623 FunctionHandler]: Unknown extern function skb_copy_datagram_iovec [2022-11-25 16:57:12,296 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,297 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:12,298 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,298 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:12,301 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-25 16:57:12,301 WARN L623 FunctionHandler]: Unknown extern function sk_chk_filter [2022-11-25 16:57:12,302 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:12,303 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:12,304 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:12,305 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:12,305 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:12,306 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,306 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-25 16:57:12,307 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-25 16:57:12,308 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:12,308 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:12,308 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:12,309 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,310 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,311 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,312 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,313 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,314 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,316 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,317 WARN L623 FunctionHandler]: Unknown extern function slhc_init [2022-11-25 16:57:12,318 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,319 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-25 16:57:12,320 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:12,322 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:12,322 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,323 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:12,324 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:12,325 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,326 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,326 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,327 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:12,327 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:12,328 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,329 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:12,330 WARN L623 FunctionHandler]: Unknown extern function idr_init [2022-11-25 16:57:12,331 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 16:57:12,331 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:57:12,332 WARN L623 FunctionHandler]: Unknown extern function idr_destroy [2022-11-25 16:57:12,334 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:12,334 WARN L623 FunctionHandler]: Unknown extern function register_pernet_device [2022-11-25 16:57:12,334 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:12,336 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:12,336 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-11-25 16:57:12,337 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-25 16:57:12,338 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-25 16:57:12,339 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:57:12,340 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:12,340 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,349 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:57:12,350 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 16:57:12,351 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,352 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,352 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:12,353 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:57:12,353 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,353 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 16:57:12,353 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,354 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,354 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,357 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:57:12,357 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:57:12,358 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:57:12,362 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,363 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:57:12,363 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:57:12,364 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,365 WARN L623 FunctionHandler]: Unknown extern function slhc_compress [2022-11-25 16:57:12,366 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,367 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,367 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:12,368 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 16:57:12,368 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,369 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:12,369 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:12,370 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,371 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,372 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,373 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,380 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:12,382 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:12,383 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:12,383 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,385 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:57:12,386 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-11-25 16:57:12,387 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:12,387 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:57:12,387 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:57:12,388 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,389 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,389 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:57:12,389 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,390 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:12,391 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,391 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:57:12,391 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:12,392 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:57:12,392 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:57:12,393 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:57:12,394 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,395 WARN L623 FunctionHandler]: Unknown extern function slhc_toss [2022-11-25 16:57:12,396 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-25 16:57:12,397 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,397 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:12,398 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-11-25 16:57:12,399 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,400 WARN L623 FunctionHandler]: Unknown extern function slhc_uncompress [2022-11-25 16:57:12,408 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:57:12,409 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:12,409 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 16:57:12,410 WARN L623 FunctionHandler]: Unknown extern function slhc_remember [2022-11-25 16:57:12,411 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,412 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:12,412 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,413 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:57:12,414 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:12,414 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 16:57:12,415 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:57:12,415 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:57:12,416 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:57:12,416 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,417 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:57:12,418 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,418 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,418 WARN L623 FunctionHandler]: Unknown extern function skb_pull_rcsum [2022-11-25 16:57:12,419 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 16:57:12,419 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,421 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-25 16:57:12,421 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,422 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,422 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,423 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:12,423 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:57:12,456 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:57:12,456 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:57:12,457 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,459 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,460 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,462 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,462 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,464 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:57:12,466 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,467 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:57:12,471 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-11-25 16:57:12,472 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:57:12,472 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-11-25 16:57:12,474 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:57:12,474 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:57:12,475 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:57:12,475 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:57:12,476 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 16:57:12,476 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 16:57:12,477 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:12,478 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:12,480 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-25 16:57:12,491 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:12,492 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:12,500 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-11-25 16:57:12,501 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:57:12,502 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:57:12,502 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:12,503 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 16:57:12,504 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 16:57:12,504 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,505 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:12,505 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:12,505 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 16:57:12,506 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 16:57:12,507 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:12,507 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 16:57:12,508 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:12,508 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:12,509 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,509 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,510 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-25 16:57:12,510 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:12,510 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:12,510 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:12,511 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:12,511 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:12,511 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,512 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 16:57:12,514 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:12,514 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-25 16:57:12,516 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-25 16:57:12,516 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:12,516 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-25 16:57:12,517 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-25 16:57:12,517 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:12,517 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:12,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:12,519 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:12,519 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:12,519 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:12,519 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:12,520 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:12,521 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-25 16:57:12,522 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 16:57:12,522 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-25 16:57:12,522 WARN L623 FunctionHandler]: Unknown extern function idr_pre_get [2022-11-25 16:57:12,523 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:12,523 WARN L623 FunctionHandler]: Unknown extern function idr_get_new_above [2022-11-25 16:57:12,524 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-25 16:57:12,524 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-25 16:57:12,524 WARN L623 FunctionHandler]: Unknown extern function idr_find [2022-11-25 16:57:12,525 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 16:57:12,526 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:57:12,527 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:57:12,527 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:57:12,528 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_b87f8a11-1ed9-417f-930d-4607ea8d026d/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-11-25 16:57:12,529 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-11-25 16:57:12,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:57:12,567 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:57:12,688 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 16:57:12,689 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 16:57:12,689 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 16:57:12,691 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 16:57:12,693 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 16:57:12,694 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 16:57:12,694 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 16:57:12,694 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 16:57:12,695 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 16:57:12,696 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 16:57:12,696 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 16:57:12,696 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 16:57:12,697 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-11-25 16:57:12,698 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,698 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:57:12,699 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:57:12,699 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 16:57:12,700 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,700 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 16:57:12,701 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-25 16:57:12,706 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:57:12,745 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-25 16:57:12,748 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 16:57:12,750 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-11-25 16:57:12,750 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-11-25 16:57:12,753 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 16:57:12,753 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 16:57:12,754 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 16:57:12,755 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:12,759 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 16:57:12,760 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-25 16:57:12,765 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 16:57:12,769 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 16:57:12,770 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 16:57:12,770 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:57:12,771 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 16:57:12,772 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 16:57:12,773 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 16:57:12,773 WARN L623 FunctionHandler]: Unknown extern function skb_copy_datagram_iovec [2022-11-25 16:57:12,774 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,776 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:12,776 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,777 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:12,780 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-25 16:57:12,780 WARN L623 FunctionHandler]: Unknown extern function sk_chk_filter [2022-11-25 16:57:12,781 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:12,786 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:12,787 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:12,788 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:12,788 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:12,789 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,790 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-25 16:57:12,791 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-25 16:57:12,792 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:12,792 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:12,793 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:12,794 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,795 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,796 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,797 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,798 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,798 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,800 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,800 WARN L623 FunctionHandler]: Unknown extern function slhc_init [2022-11-25 16:57:12,801 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,802 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-25 16:57:12,804 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:12,805 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:12,806 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,807 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:12,808 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:12,809 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,810 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,810 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,811 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:12,812 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:12,812 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:57:12,813 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:12,816 WARN L623 FunctionHandler]: Unknown extern function idr_init [2022-11-25 16:57:12,816 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 16:57:12,816 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:57:12,817 WARN L623 FunctionHandler]: Unknown extern function idr_destroy [2022-11-25 16:57:12,818 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:12,818 WARN L623 FunctionHandler]: Unknown extern function register_pernet_device [2022-11-25 16:57:12,819 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:12,819 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:12,820 WARN L623 FunctionHandler]: Unknown extern function __class_create [2022-11-25 16:57:12,821 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-25 16:57:12,822 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-25 16:57:12,824 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:57:12,825 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:12,826 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,833 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:57:12,835 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 16:57:12,835 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,837 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,838 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:12,838 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:57:12,839 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,839 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 16:57:12,839 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,840 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,840 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,841 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:57:12,842 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:57:12,842 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:57:12,843 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,844 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:57:12,844 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:57:12,846 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,847 WARN L623 FunctionHandler]: Unknown extern function slhc_compress [2022-11-25 16:57:12,848 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,849 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,849 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:12,850 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 16:57:12,851 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,852 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:12,852 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:12,853 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,855 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,857 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,857 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,865 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:12,867 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:12,868 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:12,869 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,870 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:57:12,871 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-11-25 16:57:12,871 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:12,872 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:57:12,872 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:57:12,873 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,874 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,874 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:57:12,874 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,875 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:12,875 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,876 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:57:12,876 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:12,877 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:57:12,877 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:57:12,878 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:57:12,879 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,879 WARN L623 FunctionHandler]: Unknown extern function slhc_toss [2022-11-25 16:57:12,881 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-25 16:57:12,881 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,882 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:12,882 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-11-25 16:57:12,883 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,884 WARN L623 FunctionHandler]: Unknown extern function slhc_uncompress [2022-11-25 16:57:12,884 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:57:12,885 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:12,885 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 16:57:12,886 WARN L623 FunctionHandler]: Unknown extern function slhc_remember [2022-11-25 16:57:12,887 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,887 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:57:12,888 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,888 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:57:12,889 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:12,889 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 16:57:12,890 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:57:12,890 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:57:12,890 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:57:12,891 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,891 WARN L623 FunctionHandler]: Unknown extern function sk_run_filter [2022-11-25 16:57:12,892 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,893 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,893 WARN L623 FunctionHandler]: Unknown extern function skb_pull_rcsum [2022-11-25 16:57:12,899 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 16:57:12,899 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,901 WARN L623 FunctionHandler]: Unknown extern function dev_alloc_skb [2022-11-25 16:57:12,901 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,903 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,943 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,943 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:57:12,943 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:57:12,946 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:57:12,947 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:57:12,948 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,950 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,950 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,954 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:12,954 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,956 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:57:12,978 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:12,980 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-11-25 16:57:12,987 WARN L623 FunctionHandler]: Unknown extern function __init_rwsem [2022-11-25 16:57:12,987 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:57:12,987 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-11-25 16:57:12,989 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:57:12,989 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:57:12,990 WARN L623 FunctionHandler]: Unknown extern function _raw_read_lock_bh [2022-11-25 16:57:12,990 WARN L623 FunctionHandler]: Unknown extern function _raw_read_unlock_bh [2022-11-25 16:57:12,991 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 16:57:12,991 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 16:57:12,991 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:12,992 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:12,994 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-25 16:57:13,022 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:13,022 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:13,025 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-11-25 16:57:13,026 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:57:13,026 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:57:13,027 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:13,043 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 16:57:13,044 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 16:57:13,044 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:13,045 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:13,045 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:13,045 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 16:57:13,046 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 16:57:13,046 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:13,047 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 16:57:13,047 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:13,048 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:13,048 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:13,049 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 16:57:13,049 WARN L623 FunctionHandler]: Unknown extern function slhc_free [2022-11-25 16:57:13,049 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:13,050 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:13,050 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:13,050 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:13,050 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:13,053 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:57:13,054 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 16:57:13,056 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 16:57:13,058 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-25 16:57:13,059 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-25 16:57:13,059 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 16:57:13,060 WARN L623 FunctionHandler]: Unknown extern function _raw_write_lock_bh [2022-11-25 16:57:13,060 WARN L623 FunctionHandler]: Unknown extern function _raw_write_unlock_bh [2022-11-25 16:57:13,061 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 16:57:13,061 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 16:57:13,062 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:13,062 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:13,062 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:57:13,063 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:57:13,063 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:13,064 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:13,064 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-25 16:57:13,064 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-25 16:57:13,065 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_device [2022-11-25 16:57:13,065 WARN L623 FunctionHandler]: Unknown extern function idr_pre_get [2022-11-25 16:57:13,065 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:57:13,066 WARN L623 FunctionHandler]: Unknown extern function idr_get_new_above [2022-11-25 16:57:13,066 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-25 16:57:13,067 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-25 16:57:13,067 WARN L623 FunctionHandler]: Unknown extern function idr_find [2022-11-25 16:57:13,068 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 16:57:13,069 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:57:13,069 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:57:13,070 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 16:57:13,071 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_b87f8a11-1ed9-417f-930d-4607ea8d026d/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-11-25 16:57:13,072 WARN L623 FunctionHandler]: Unknown extern function ldv_undefined_int [2022-11-25 16:57:13,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:57:13,386 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:57:13,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:13 WrapperNode [2022-11-25 16:57:13,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:57:13,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:57:13,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:57:13,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:57:13,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:13" (1/1) ... [2022-11-25 16:57:13,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:13" (1/1) ... [2022-11-25 16:57:13,626 INFO L138 Inliner]: procedures = 316, calls = 1793, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4122 [2022-11-25 16:57:13,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:57:13,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:57:13,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:57:13,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:57:13,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:13" (1/1) ... [2022-11-25 16:57:13,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:13" (1/1) ... [2022-11-25 16:57:13,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:13" (1/1) ... [2022-11-25 16:57:13,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:13" (1/1) ... [2022-11-25 16:57:13,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:13" (1/1) ... [2022-11-25 16:57:13,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:13" (1/1) ... [2022-11-25 16:57:13,864 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:13" (1/1) ... [2022-11-25 16:57:13,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:13" (1/1) ... [2022-11-25 16:57:13,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:57:13,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:57:13,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:57:13,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:57:13,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:13" (1/1) ... [2022-11-25 16:57:13,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:57:13,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:57:13,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:57:13,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:57:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-11-25 16:57:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-11-25 16:57:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-25 16:57:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-25 16:57:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-25 16:57:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-25 16:57:14,009 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-11-25 16:57:14,009 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-11-25 16:57:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-25 16:57:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-11-25 16:57:14,010 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-11-25 16:57:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 16:57:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 16:57:14,010 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-25 16:57:14,010 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-25 16:57:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-25 16:57:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 16:57:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-25 16:57:14,011 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-25 16:57:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-25 16:57:14,011 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-25 16:57:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-11-25 16:57:14,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-11-25 16:57:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-11-25 16:57:14,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-11-25 16:57:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-11-25 16:57:14,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-11-25 16:57:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 16:57:14,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 16:57:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-25 16:57:14,013 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-25 16:57:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-25 16:57:14,013 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-25 16:57:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 16:57:14,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 16:57:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-11-25 16:57:14,014 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-11-25 16:57:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-25 16:57:14,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-25 16:57:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2022-11-25 16:57:14,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2022-11-25 16:57:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-11-25 16:57:14,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-11-25 16:57:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-11-25 16:57:14,015 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-11-25 16:57:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 16:57:14,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 16:57:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-11-25 16:57:14,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-11-25 16:57:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-11-25 16:57:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-11-25 16:57:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-25 16:57:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-25 16:57:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-25 16:57:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-25 16:57:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 16:57:14,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 16:57:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-11-25 16:57:14,017 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-11-25 16:57:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 16:57:14,017 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 16:57:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-11-25 16:57:14,017 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-11-25 16:57:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-11-25 16:57:14,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-11-25 16:57:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-11-25 16:57:14,018 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-11-25 16:57:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2022-11-25 16:57:14,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2022-11-25 16:57:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:57:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 16:57:14,019 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 16:57:14,019 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-25 16:57:14,019 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-25 16:57:14,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 16:57:14,019 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-25 16:57:14,019 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-25 16:57:14,019 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-25 16:57:14,020 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-25 16:57:14,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-25 16:57:14,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-25 16:57:14,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-25 16:57:14,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-25 16:57:14,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-25 16:57:14,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:57:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 16:57:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 16:57:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-11-25 16:57:14,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-11-25 16:57:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-25 16:57:14,021 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-25 16:57:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 16:57:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-25 16:57:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-25 16:57:14,022 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-25 16:57:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-25 16:57:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-25 16:57:14,022 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-25 16:57:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-25 16:57:14,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-25 16:57:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-11-25 16:57:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-11-25 16:57:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2022-11-25 16:57:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2022-11-25 16:57:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-25 16:57:14,023 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-25 16:57:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 16:57:14,024 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 16:57:14,024 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 16:57:14,024 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 16:57:14,024 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-11-25 16:57:14,024 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-11-25 16:57:14,024 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-11-25 16:57:14,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-11-25 16:57:14,024 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-25 16:57:14,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-25 16:57:14,025 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-25 16:57:14,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-25 16:57:14,025 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-25 16:57:14,026 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-25 16:57:14,026 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-11-25 16:57:14,026 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-11-25 16:57:14,027 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 16:57:14,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 16:57:14,027 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-11-25 16:57:14,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-11-25 16:57:14,027 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-11-25 16:57:14,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-11-25 16:57:14,027 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-25 16:57:14,028 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-25 16:57:14,028 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2022-11-25 16:57:14,028 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2022-11-25 16:57:14,028 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 16:57:14,028 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 16:57:14,028 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-25 16:57:14,028 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-25 16:57:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-11-25 16:57:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-11-25 16:57:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-11-25 16:57:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-11-25 16:57:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-11-25 16:57:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-11-25 16:57:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-11-25 16:57:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-11-25 16:57:14,030 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-11-25 16:57:14,030 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-11-25 16:57:14,030 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 16:57:14,030 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 16:57:14,030 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-11-25 16:57:14,030 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-11-25 16:57:14,030 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-11-25 16:57:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-11-25 16:57:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-25 16:57:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-25 16:57:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-25 16:57:14,031 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-25 16:57:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-25 16:57:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-25 16:57:14,032 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-25 16:57:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-25 16:57:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-25 16:57:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-25 16:57:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-25 16:57:14,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-25 16:57:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-11-25 16:57:14,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-11-25 16:57:14,033 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-11-25 16:57:14,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-11-25 16:57:14,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 16:57:14,033 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-25 16:57:14,033 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-25 16:57:14,033 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-25 16:57:14,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-25 16:57:14,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:57:14,034 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-25 16:57:14,034 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-25 16:57:14,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 16:57:14,034 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 16:57:14,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-25 16:57:14,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-25 16:57:14,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 16:57:14,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 16:57:14,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-25 16:57:14,035 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-25 16:57:14,035 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-25 16:57:14,035 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-25 16:57:14,035 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-25 16:57:14,036 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-25 16:57:14,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-25 16:57:14,036 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-25 16:57:14,036 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-25 16:57:14,036 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-11-25 16:57:14,036 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-11-25 16:57:14,036 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-25 16:57:14,036 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-25 16:57:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-25 16:57:14,037 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-25 16:57:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 16:57:14,037 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 16:57:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-11-25 16:57:14,037 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-11-25 16:57:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-25 16:57:14,038 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-25 16:57:14,038 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-11-25 16:57:14,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-11-25 16:57:14,038 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-11-25 16:57:14,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-11-25 16:57:14,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-25 16:57:14,038 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-11-25 16:57:14,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-11-25 16:57:14,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 16:57:14,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 16:57:14,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:57:14,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:57:14,039 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-25 16:57:14,039 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-25 16:57:14,039 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-25 16:57:14,039 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-25 16:57:14,793 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:57:14,801 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:57:18,688 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-11-25 16:57:18,688 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-11-25 16:57:29,367 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 16:57:29,372 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 16:57:29,377 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 16:57:29,379 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 16:57:29,388 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 16:57:41,182 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 [2022-11-25 16:57:41,183 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; [2022-11-25 16:57:41,183 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##437: assume !false; [2022-11-25 16:57:41,183 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume false; [2022-11-25 16:57:41,183 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; [2022-11-25 16:57:41,183 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 [2022-11-25 16:57:41,183 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !false; [2022-11-25 16:57:41,184 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume false; [2022-11-25 16:57:41,184 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-11-25 16:57:41,184 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-11-25 16:57:41,184 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume !false; [2022-11-25 16:57:41,184 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume false; [2022-11-25 16:57:41,184 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2022-11-25 16:57:41,184 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2022-11-25 16:57:41,184 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume !false; [2022-11-25 16:57:41,185 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##205: assume false; [2022-11-25 16:57:41,185 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2022-11-25 16:57:41,185 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2022-11-25 16:57:41,185 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##317: assume false; [2022-11-25 16:57:41,185 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume !false; [2022-11-25 16:57:41,185 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume !false; [2022-11-25 16:57:41,185 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume false; [2022-11-25 16:57:41,186 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume !false; [2022-11-25 16:57:41,186 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume false; [2022-11-25 16:57:41,186 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2022-11-25 16:57:41,186 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2022-11-25 16:57:41,186 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2022-11-25 16:57:41,186 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2022-11-25 16:57:41,186 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##127: assume !false; [2022-11-25 16:57:41,187 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2022-11-25 16:57:41,187 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-11-25 16:57:41,187 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2022-11-25 16:57:41,187 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-11-25 16:57:41,187 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2022-11-25 16:57:41,187 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2022-11-25 16:57:41,187 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2022-11-25 16:57:41,187 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2022-11-25 16:57:41,188 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2022-11-25 16:57:41,188 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2022-11-25 16:57:41,188 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##338: assume !false; [2022-11-25 16:57:41,188 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##337: assume false; [2022-11-25 16:57:41,188 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume false; [2022-11-25 16:57:41,188 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##367: assume !false; [2022-11-25 16:57:41,188 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume false; [2022-11-25 16:57:41,299 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:57:41,327 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:57:41,328 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-25 16:57:41,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:41 BoogieIcfgContainer [2022-11-25 16:57:41,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:57:41,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:57:41,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:57:41,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:57:41,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:57:09" (1/3) ... [2022-11-25 16:57:41,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c7eb50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:57:41, skipping insertion in model container [2022-11-25 16:57:41,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:13" (2/3) ... [2022-11-25 16:57:41,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c7eb50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:57:41, skipping insertion in model container [2022-11-25 16:57:41,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:41" (3/3) ... [2022-11-25 16:57:41,346 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-11-25 16:57:41,367 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:57:41,368 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 16:57:41,476 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:57:41,483 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=PETRI_NET, 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;@21fa0855, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:57:41,483 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 16:57:41,493 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) [2022-11-25 16:57:41,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 16:57:41,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:57:41,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:57:41,503 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:57:41,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:57:41,509 INFO L85 PathProgramCache]: Analyzing trace with hash 2078505288, now seen corresponding path program 1 times [2022-11-25 16:57:41,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:57:41,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2085028351] [2022-11-25 16:57:41,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:57:41,526 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 [2022-11-25 16:57:41,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:57:41,535 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 16:57:41,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:57:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:57:42,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 16:57:42,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:57:42,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:57:42,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:57:42,674 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 16:57:42,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2085028351] [2022-11-25 16:57:42,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2085028351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:57:42,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:57:42,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:57:42,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629643107] [2022-11-25 16:57:42,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:57:42,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:57:42,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 16:57:42,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:57:42,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:57:42,715 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) [2022-11-25 16:57:43,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:57:43,261 INFO L93 Difference]: Finished difference Result 4250 states and 6135 transitions. [2022-11-25 16:57:43,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:57:43,264 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 [2022-11-25 16:57:43,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:57:43,302 INFO L225 Difference]: With dead ends: 4250 [2022-11-25 16:57:43,302 INFO L226 Difference]: Without dead ends: 2804 [2022-11-25 16:57:43,318 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 [2022-11-25 16:57:43,324 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 [2022-11-25 16:57:43,326 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] [2022-11-25 16:57:43,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2022-11-25 16:57:43,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2801. [2022-11-25 16:57:43,580 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) [2022-11-25 16:57:43,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3908 transitions. [2022-11-25 16:57:43,604 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3908 transitions. Word has length 12 [2022-11-25 16:57:43,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:57:43,604 INFO L495 AbstractCegarLoop]: Abstraction has 2801 states and 3908 transitions. [2022-11-25 16:57:43,605 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) [2022-11-25 16:57:43,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3908 transitions. [2022-11-25 16:57:43,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-25 16:57:43,621 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:57:43,622 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] [2022-11-25 16:57:43,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:57:43,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:57:43,843 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:57:43,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:57:43,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1790442611, now seen corresponding path program 1 times [2022-11-25 16:57:43,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:57:43,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [887131267] [2022-11-25 16:57:43,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:57:43,847 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 [2022-11-25 16:57:43,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:57:43,849 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 16:57:43,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:57:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:57:45,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 16:57:45,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:57:45,170 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 16:57:45,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:57:45,171 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 16:57:45,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [887131267] [2022-11-25 16:57:45,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [887131267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:57:45,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:57:45,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 16:57:45,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328371869] [2022-11-25 16:57:45,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:57:45,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:57:45,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 16:57:45,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:57:45,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:57:45,176 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) [2022-11-25 16:57:45,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:57:45,489 INFO L93 Difference]: Finished difference Result 5578 states and 7787 transitions. [2022-11-25 16:57:45,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:57:45,490 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 [2022-11-25 16:57:45,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:57:45,506 INFO L225 Difference]: With dead ends: 5578 [2022-11-25 16:57:45,506 INFO L226 Difference]: Without dead ends: 2801 [2022-11-25 16:57:45,516 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 [2022-11-25 16:57:45,517 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 [2022-11-25 16:57:45,520 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] [2022-11-25 16:57:45,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2022-11-25 16:57:45,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2801. [2022-11-25 16:57:45,667 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) [2022-11-25 16:57:45,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3906 transitions. [2022-11-25 16:57:45,688 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3906 transitions. Word has length 74 [2022-11-25 16:57:45,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:57:45,689 INFO L495 AbstractCegarLoop]: Abstraction has 2801 states and 3906 transitions. [2022-11-25 16:57:45,689 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) [2022-11-25 16:57:45,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3906 transitions. [2022-11-25 16:57:45,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-25 16:57:45,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:57:45,698 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] [2022-11-25 16:57:45,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:57:45,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:57:45,923 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:57:45,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:57:45,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1751657911, now seen corresponding path program 1 times [2022-11-25 16:57:45,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:57:45,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798450472] [2022-11-25 16:57:45,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:57:45,925 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 [2022-11-25 16:57:45,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:57:45,927 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 16:57:45,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:57:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:57:47,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 16:57:47,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:57:47,261 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 16:57:47,262 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:57:47,262 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 16:57:47,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798450472] [2022-11-25 16:57:47,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798450472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:57:47,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:57:47,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:57:47,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375619659] [2022-11-25 16:57:47,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:57:47,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:57:47,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 16:57:47,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:57:47,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:57:47,265 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) [2022-11-25 16:57:47,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:57:47,584 INFO L93 Difference]: Finished difference Result 6586 states and 9372 transitions. [2022-11-25 16:57:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:57:47,585 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 [2022-11-25 16:57:47,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:57:47,605 INFO L225 Difference]: With dead ends: 6586 [2022-11-25 16:57:47,605 INFO L226 Difference]: Without dead ends: 3812 [2022-11-25 16:57:47,615 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 [2022-11-25 16:57:47,618 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 [2022-11-25 16:57:47,619 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] [2022-11-25 16:57:47,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2022-11-25 16:57:47,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3796. [2022-11-25 16:57:47,790 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) [2022-11-25 16:57:47,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3796 states and 5465 transitions. [2022-11-25 16:57:47,812 INFO L78 Accepts]: Start accepts. Automaton has 3796 states and 5465 transitions. Word has length 89 [2022-11-25 16:57:47,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:57:47,813 INFO L495 AbstractCegarLoop]: Abstraction has 3796 states and 5465 transitions. [2022-11-25 16:57:47,813 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) [2022-11-25 16:57:47,813 INFO L276 IsEmpty]: Start isEmpty. Operand 3796 states and 5465 transitions. [2022-11-25 16:57:47,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-25 16:57:47,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:57:47,821 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] [2022-11-25 16:57:47,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:57:48,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:57:48,031 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:57:48,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:57:48,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1606886577, now seen corresponding path program 1 times [2022-11-25 16:57:48,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:57:48,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718418026] [2022-11-25 16:57:48,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:57:48,033 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 [2022-11-25 16:57:48,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:57:48,038 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 16:57:48,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:57:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:57:49,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 16:57:49,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:57:49,627 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 16:57:49,630 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 [2022-11-25 16:57:53,775 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 16:57:53,775 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:57:53,775 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 16:57:53,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718418026] [2022-11-25 16:57:53,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718418026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:57:53,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:57:53,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 16:57:53,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268078882] [2022-11-25 16:57:53,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:57:53,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:57:53,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 16:57:53,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:57:53,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=11, Unknown=2, NotChecked=0, Total=20 [2022-11-25 16:57:53,779 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) [2022-11-25 16:57:56,484 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] [2022-11-25 16:57:58,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 16:58:00,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 16:58:04,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 16:58:06,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 16:58:09,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 16:58:11,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 16:58:13,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 16:58:15,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 16:58:17,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:58:18,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:58:20,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:58:22,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:58:24,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:58:26,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:58:30,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:58:32,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:58:35,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:58:37,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:58:41,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:58:45,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:58:49,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:58:51,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:58:51,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:58:51,940 INFO L93 Difference]: Finished difference Result 7586 states and 10964 transitions. [2022-11-25 16:58:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:58:51,944 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 [2022-11-25 16:58:51,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:58:51,966 INFO L225 Difference]: With dead ends: 7586 [2022-11-25 16:58:51,966 INFO L226 Difference]: Without dead ends: 3818 [2022-11-25 16:58:51,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=11, Invalid=17, Unknown=2, NotChecked=0, Total=30 [2022-11-25 16:58:51,982 INFO L413 NwaCegarLoop]: 1982 mSDtfsCounter, 9 mSDsluCounter, 5503 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 0 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 7485 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.8s IncrementalHoareTripleChecker+Time [2022-11-25 16:58:51,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 7485 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 444 Invalid, 17 Unknown, 0 Unchecked, 55.8s Time] [2022-11-25 16:58:51,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3818 states. [2022-11-25 16:58:52,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3818 to 3804. [2022-11-25 16:58:52,162 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) [2022-11-25 16:58:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3804 states and 5477 transitions. [2022-11-25 16:58:52,242 INFO L78 Accepts]: Start accepts. Automaton has 3804 states and 5477 transitions. Word has length 106 [2022-11-25 16:58:52,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:58:52,242 INFO L495 AbstractCegarLoop]: Abstraction has 3804 states and 5477 transitions. [2022-11-25 16:58:52,242 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) [2022-11-25 16:58:52,243 INFO L276 IsEmpty]: Start isEmpty. Operand 3804 states and 5477 transitions. [2022-11-25 16:58:52,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-25 16:58:52,257 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:58:52,257 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] [2022-11-25 16:58:52,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:58:52,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:58:52,473 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:58:52,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:58:52,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1923503077, now seen corresponding path program 1 times [2022-11-25 16:58:52,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:58:52,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33337762] [2022-11-25 16:58:52,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:58:52,476 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 [2022-11-25 16:58:52,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:58:52,477 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 16:58:52,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:58:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:53,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 1065 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 16:58:53,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:58:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 16:58:53,689 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:58:53,689 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 16:58:53,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33337762] [2022-11-25 16:58:53,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [33337762] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:58:53,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:58:53,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:58:53,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274709520] [2022-11-25 16:58:53,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:58:53,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:58:53,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 16:58:53,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:58:53,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:58:53,692 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) [2022-11-25 16:58:53,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:58:53,850 INFO L93 Difference]: Finished difference Result 7586 states and 10956 transitions. [2022-11-25 16:58:53,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:58:53,851 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 [2022-11-25 16:58:53,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:58:53,875 INFO L225 Difference]: With dead ends: 7586 [2022-11-25 16:58:53,875 INFO L226 Difference]: Without dead ends: 3810 [2022-11-25 16:58:53,889 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 [2022-11-25 16:58:53,892 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 [2022-11-25 16:58:53,892 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] [2022-11-25 16:58:53,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3810 states. [2022-11-25 16:58:54,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3810 to 3806. [2022-11-25 16:58:54,082 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) [2022-11-25 16:58:54,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 3806 states and 5479 transitions. [2022-11-25 16:58:54,108 INFO L78 Accepts]: Start accepts. Automaton has 3806 states and 5479 transitions. Word has length 108 [2022-11-25 16:58:54,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:58:54,109 INFO L495 AbstractCegarLoop]: Abstraction has 3806 states and 5479 transitions. [2022-11-25 16:58:54,110 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) [2022-11-25 16:58:54,111 INFO L276 IsEmpty]: Start isEmpty. Operand 3806 states and 5479 transitions. [2022-11-25 16:58:54,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-25 16:58:54,117 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:58:54,117 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] [2022-11-25 16:58:54,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:58:54,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:58:54,331 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:58:54,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:58:54,331 INFO L85 PathProgramCache]: Analyzing trace with hash -329013054, now seen corresponding path program 1 times [2022-11-25 16:58:54,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:58:54,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57171230] [2022-11-25 16:58:54,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:58:54,333 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 [2022-11-25 16:58:54,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:58:54,333 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 16:58:54,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:59:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:59:11,342 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:59:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:59:38,026 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 16:59:38,027 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 16:59:38,028 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 16:59:38,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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)] Ended with exit code 0 [2022-11-25 16:59:38,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 16:59:38,255 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-25 16:59:38,260 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:59:38,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:59:38 BoogieIcfgContainer [2022-11-25 16:59:38,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:59:38,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:59:38,464 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:59:38,464 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:59:38,464 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:41" (3/4) ... [2022-11-25 16:59:38,467 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 16:59:38,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:59:38,468 INFO L158 Benchmark]: Toolchain (without parser) took 148824.65ms. Allocated memory was 71.3MB in the beginning and 522.2MB in the end (delta: 450.9MB). Free memory was 37.0MB in the beginning and 311.9MB in the end (delta: -275.0MB). Peak memory consumption was 177.3MB. Max. memory is 16.1GB. [2022-11-25 16:59:38,469 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 71.3MB. Free memory was 50.0MB in the beginning and 49.8MB in the end (delta: 148.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:59:38,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3740.32ms. Allocated memory was 71.3MB in the beginning and 251.7MB in the end (delta: 180.4MB). Free memory was 37.0MB in the beginning and 143.4MB in the end (delta: -106.5MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. [2022-11-25 16:59:38,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 239.28ms. Allocated memory is still 251.7MB. Free memory was 143.4MB in the beginning and 121.4MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 16:59:38,470 INFO L158 Benchmark]: Boogie Preprocessor took 293.60ms. Allocated memory is still 251.7MB. Free memory was 121.4MB in the beginning and 159.2MB in the end (delta: -37.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 16:59:38,470 INFO L158 Benchmark]: RCFGBuilder took 27410.74ms. Allocated memory was 251.7MB in the beginning and 434.1MB in the end (delta: 182.5MB). Free memory was 159.2MB in the beginning and 209.2MB in the end (delta: -50.0MB). Peak memory consumption was 143.8MB. Max. memory is 16.1GB. [2022-11-25 16:59:38,471 INFO L158 Benchmark]: TraceAbstraction took 117125.86ms. Allocated memory was 434.1MB in the beginning and 522.2MB in the end (delta: 88.1MB). Free memory was 208.1MB in the beginning and 311.9MB in the end (delta: -103.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:59:38,472 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 522.2MB. Free memory is still 311.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:59:38,474 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 71.3MB. Free memory was 50.0MB in the beginning and 49.8MB in the end (delta: 148.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3740.32ms. Allocated memory was 71.3MB in the beginning and 251.7MB in the end (delta: 180.4MB). Free memory was 37.0MB in the beginning and 143.4MB in the end (delta: -106.5MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 239.28ms. Allocated memory is still 251.7MB. Free memory was 143.4MB in the beginning and 121.4MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 293.60ms. Allocated memory is still 251.7MB. Free memory was 121.4MB in the beginning and 159.2MB in the end (delta: -37.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 27410.74ms. Allocated memory was 251.7MB in the beginning and 434.1MB in the end (delta: 182.5MB). Free memory was 159.2MB in the beginning and 209.2MB in the end (delta: -50.0MB). Peak memory consumption was 143.8MB. Max. memory is 16.1GB. * TraceAbstraction took 117125.86ms. Allocated memory was 434.1MB in the beginning and 522.2MB in the end (delta: 88.1MB). Free memory was 208.1MB in the beginning and 311.9MB in the end (delta: -103.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 522.2MB. Free memory is still 311.9MB. 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: 116.8s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 59.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 mSolverCounterUnknown, 2649 SdHoareTripleChecker+Valid, 56.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2494 mSDsluCounter, 27987 SdHoareTripleChecker+Invalid, 54.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17362 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 490 IncrementalHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 10625 mSDtfsCounter, 490 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 387 GetRequests, 374 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5s 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: 1.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 37 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 19.6s SatisfiabilityAnalysisTime, 5.1s 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 [2022-11-25 16:59:38,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87f8a11-1ed9-417f-930d-4607ea8d026d/bin/uautomizer-ZsLfNo2U6R/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