./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--lapbether.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--lapbether.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3c9185451e17cd03a558fe9bd455bfb656de587a9df23cb7cc44d8e38d5b1098 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:09:52,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:09:52,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:09:52,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:09:52,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:09:52,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:09:52,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:09:52,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:09:52,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:09:52,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:09:52,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:09:52,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:09:52,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:09:52,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:09:52,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:09:52,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:09:52,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:09:52,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:09:52,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:09:52,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:09:52,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:09:52,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:09:52,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:09:52,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:09:52,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:09:52,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:09:52,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:09:52,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:09:52,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:09:52,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:09:52,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:09:52,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:09:52,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:09:52,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:09:52,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:09:52,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:09:52,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:09:52,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:09:52,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:09:52,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:09:52,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:09:52,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:09:52,771 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:09:52,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:09:52,772 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:09:52,772 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:09:52,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:09:52,773 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:09:52,773 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:09:52,774 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:09:52,774 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:09:52,774 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:09:52,775 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:09:52,775 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:09:52,776 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:09:52,776 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:09:52,776 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:09:52,776 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:09:52,777 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:09:52,777 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:09:52,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:09:52,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:09:52,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:09:52,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:09:52,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:09:52,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:09:52,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:09:52,779 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:09:52,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:09:52,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:09:52,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:09:52,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:09:52,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:09:52,781 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:09:52,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:09:52,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:09:52,781 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:09:52,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:09:52,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:09:52,782 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:09:52,782 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c9185451e17cd03a558fe9bd455bfb656de587a9df23cb7cc44d8e38d5b1098 [2022-11-26 00:09:53,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:09:53,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:09:53,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:09:53,126 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:09:53,126 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:09:53,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--lapbether.ko-entry_point.cil.out.i [2022-11-26 00:09:56,175 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:09:56,753 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:09:56,753 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--lapbether.ko-entry_point.cil.out.i [2022-11-26 00:09:56,804 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/bin/utaipan-ByfvJB40ur/data/6f1b8279b/1ff2e36f18984d4eb06e05c5135c0824/FLAG4f84eaa22 [2022-11-26 00:09:56,823 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/bin/utaipan-ByfvJB40ur/data/6f1b8279b/1ff2e36f18984d4eb06e05c5135c0824 [2022-11-26 00:09:56,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:09:56,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:09:56,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:09:56,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:09:56,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:09:56,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:09:56" (1/1) ... [2022-11-26 00:09:56,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9278072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:56, skipping insertion in model container [2022-11-26 00:09:56,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:09:56" (1/1) ... [2022-11-26 00:09:56,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:09:56,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:09:57,588 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:57,595 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:57,638 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-26 00:09:57,644 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-26 00:09:57,657 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:09:57,658 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-26 00:09:57,658 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-26 00:09:57,660 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:09:57,666 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:09:57,667 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-26 00:09:57,670 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:09:57,676 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:09:57,677 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-26 00:09:57,678 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:09:57,693 WARN L623 FunctionHandler]: Unknown extern function __list_add_rcu [2022-11-26 00:09:57,698 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:09:57,829 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:09:57,833 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-11-26 00:09:57,861 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-26 00:09:57,889 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-26 00:09:57,961 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_4e7cad16-a16d-4507-925b-39b1222b185f/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--lapbether.ko-entry_point.cil.out.i[174669,174682] [2022-11-26 00:09:58,036 WARN L623 FunctionHandler]: Unknown extern function unregister_netdevice_queue [2022-11-26 00:09:58,066 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:09:58,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,095 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,103 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,106 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,116 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,116 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-26 00:09:58,123 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,128 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,133 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,134 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,135 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-26 00:09:58,179 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:09:58,182 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:09:58,192 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-11-26 00:09:58,213 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:09:58,213 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-26 00:09:58,214 WARN L623 FunctionHandler]: Unknown extern function lapb_data_received [2022-11-26 00:09:58,214 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,221 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:09:58,231 WARN L623 FunctionHandler]: Unknown extern function lapb_connect_request [2022-11-26 00:09:58,231 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,232 WARN L623 FunctionHandler]: Unknown extern function lapb_disconnect_request [2022-11-26 00:09:58,232 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,232 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:09:58,233 WARN L623 FunctionHandler]: Unknown extern function lapb_data_request [2022-11-26 00:09:58,233 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,238 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:09:58,242 WARN L623 FunctionHandler]: Unknown extern function dev_queue_xmit [2022-11-26 00:09:58,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,247 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:09:58,251 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,252 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:09:58,267 WARN L623 FunctionHandler]: Unknown extern function lapb_register [2022-11-26 00:09:58,268 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,272 WARN L623 FunctionHandler]: Unknown extern function lapb_unregister [2022-11-26 00:09:58,274 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,284 WARN L623 FunctionHandler]: Unknown extern function rtnl_is_locked [2022-11-26 00:09:58,284 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,285 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-26 00:09:58,286 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-11-26 00:09:58,287 WARN L623 FunctionHandler]: Unknown extern function register_netdevice [2022-11-26 00:09:58,289 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:09:58,289 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:09:58,302 WARN L623 FunctionHandler]: Unknown extern function dev_close [2022-11-26 00:09:58,308 WARN L623 FunctionHandler]: Unknown extern function dev_add_pack [2022-11-26 00:09:58,309 WARN L623 FunctionHandler]: Unknown extern function register_netdevice_notifier [2022-11-26 00:09:58,309 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,314 WARN L623 FunctionHandler]: Unknown extern function dev_remove_pack [2022-11-26 00:09:58,314 WARN L623 FunctionHandler]: Unknown extern function unregister_netdevice_notifier [2022-11-26 00:09:58,315 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:09:58,320 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:09:58,352 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_4 [2022-11-26 00:09:58,366 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_3 [2022-11-26 00:09:58,366 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_3 [2022-11-26 00:09:58,369 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,369 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,370 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,371 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,371 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,372 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,372 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,373 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,373 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free_int [2022-11-26 00:09:58,374 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,374 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-26 00:09:58,375 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free_int [2022-11-26 00:09:58,375 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free_int [2022-11-26 00:09:58,427 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-26 00:09:58,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:09:58,484 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:09:58,602 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,603 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,604 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-26 00:09:58,605 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-26 00:09:58,605 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:09:58,607 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-26 00:09:58,608 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-26 00:09:58,608 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:09:58,609 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:09:58,609 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-26 00:09:58,610 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:09:58,611 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:09:58,611 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-26 00:09:58,612 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:09:58,612 WARN L623 FunctionHandler]: Unknown extern function __list_add_rcu [2022-11-26 00:09:58,613 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:09:58,626 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:09:58,627 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-11-26 00:09:58,629 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-26 00:09:58,634 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-26 00:09:58,638 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_4e7cad16-a16d-4507-925b-39b1222b185f/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--lapbether.ko-entry_point.cil.out.i[174669,174682] [2022-11-26 00:09:58,647 WARN L623 FunctionHandler]: Unknown extern function unregister_netdevice_queue [2022-11-26 00:09:58,656 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:09:58,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,665 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,667 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,671 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,677 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,678 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-26 00:09:58,679 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,680 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,682 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,684 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:09:58,684 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-26 00:09:58,693 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:09:58,694 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:09:58,696 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-11-26 00:09:58,704 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:09:58,704 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-26 00:09:58,705 WARN L623 FunctionHandler]: Unknown extern function lapb_data_received [2022-11-26 00:09:58,705 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,707 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:09:58,708 WARN L623 FunctionHandler]: Unknown extern function lapb_connect_request [2022-11-26 00:09:58,708 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,709 WARN L623 FunctionHandler]: Unknown extern function lapb_disconnect_request [2022-11-26 00:09:58,709 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,710 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:09:58,711 WARN L623 FunctionHandler]: Unknown extern function lapb_data_request [2022-11-26 00:09:58,712 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,714 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:09:58,718 WARN L623 FunctionHandler]: Unknown extern function dev_queue_xmit [2022-11-26 00:09:58,761 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,761 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:09:58,762 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,762 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:09:58,764 WARN L623 FunctionHandler]: Unknown extern function lapb_register [2022-11-26 00:09:58,764 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,764 WARN L623 FunctionHandler]: Unknown extern function lapb_unregister [2022-11-26 00:09:58,765 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,769 WARN L623 FunctionHandler]: Unknown extern function rtnl_is_locked [2022-11-26 00:09:58,769 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,770 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-26 00:09:58,770 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-11-26 00:09:58,775 WARN L623 FunctionHandler]: Unknown extern function register_netdevice [2022-11-26 00:09:58,775 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:09:58,776 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:09:58,780 WARN L623 FunctionHandler]: Unknown extern function dev_close [2022-11-26 00:09:58,783 WARN L623 FunctionHandler]: Unknown extern function dev_add_pack [2022-11-26 00:09:58,783 WARN L623 FunctionHandler]: Unknown extern function register_netdevice_notifier [2022-11-26 00:09:58,783 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:09:58,784 WARN L623 FunctionHandler]: Unknown extern function dev_remove_pack [2022-11-26 00:09:58,784 WARN L623 FunctionHandler]: Unknown extern function unregister_netdevice_notifier [2022-11-26 00:09:58,784 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:09:58,786 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:09:58,795 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_4 [2022-11-26 00:09:58,798 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_3 [2022-11-26 00:09:58,798 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_3 [2022-11-26 00:09:58,799 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,800 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,800 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,801 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,801 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,801 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,802 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,802 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,808 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free_int [2022-11-26 00:09:58,808 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-26 00:09:58,809 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-26 00:09:58,809 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free_int [2022-11-26 00:09:58,810 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free_int [2022-11-26 00:09:58,815 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-26 00:09:58,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:09:58,905 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:09:58,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:58 WrapperNode [2022-11-26 00:09:58,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:09:58,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:09:58,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:09:58,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:09:58,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:58" (1/1) ... [2022-11-26 00:09:58,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:58" (1/1) ... [2022-11-26 00:09:59,070 INFO L138 Inliner]: procedures = 177, calls = 512, calls flagged for inlining = 97, calls inlined = 94, statements flattened = 1872 [2022-11-26 00:09:59,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:09:59,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:09:59,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:09:59,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:09:59,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:58" (1/1) ... [2022-11-26 00:09:59,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:58" (1/1) ... [2022-11-26 00:09:59,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:58" (1/1) ... [2022-11-26 00:09:59,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:58" (1/1) ... [2022-11-26 00:09:59,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:58" (1/1) ... [2022-11-26 00:09:59,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:58" (1/1) ... [2022-11-26 00:09:59,165 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:58" (1/1) ... [2022-11-26 00:09:59,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:58" (1/1) ... [2022-11-26 00:09:59,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:09:59,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:09:59,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:09:59,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:09:59,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:58" (1/1) ... [2022-11-26 00:09:59,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:09:59,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:09:59,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:09:59,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:09:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:09:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-26 00:09:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-11-26 00:09:59,273 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-11-26 00:09:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:09:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:09:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_18 [2022-11-26 00:09:59,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_18 [2022-11-26 00:09:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:09:59,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:09:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:09:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:09:59,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:09:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-26 00:09:59,275 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-26 00:09:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-26 00:09:59,275 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-26 00:09:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-26 00:09:59,275 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-26 00:09:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-26 00:09:59,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-26 00:09:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:09:59,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:09:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-26 00:09:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-26 00:09:59,276 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-26 00:09:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-26 00:09:59,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-26 00:09:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_disconnected [2022-11-26 00:09:59,277 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_disconnected [2022-11-26 00:09:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-26 00:09:59,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-26 00:09:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_data_transmit [2022-11-26 00:09:59,278 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_data_transmit [2022-11-26 00:09:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_data_indication [2022-11-26 00:09:59,278 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_data_indication [2022-11-26 00:09:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:09:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-26 00:09:59,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-26 00:09:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-26 00:09:59,279 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-26 00:09:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:09:59,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:09:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-26 00:09:59,279 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-26 00:09:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_set_mac_address [2022-11-26 00:09:59,280 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_set_mac_address [2022-11-26 00:09:59,280 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:09:59,280 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:09:59,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:09:59,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2022-11-26 00:09:59,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2022-11-26 00:09:59,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:09:59,281 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2022-11-26 00:09:59,281 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2022-11-26 00:09:59,281 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2022-11-26 00:09:59,281 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2022-11-26 00:09:59,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:09:59,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:09:59,282 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-26 00:09:59,282 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-26 00:09:59,282 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-26 00:09:59,282 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_get_x25_dev [2022-11-26 00:09:59,282 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_get_x25_dev [2022-11-26 00:09:59,282 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-26 00:09:59,283 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-26 00:09:59,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-26 00:09:59,283 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-26 00:09:59,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:09:59,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-26 00:09:59,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-26 00:09:59,284 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_connected [2022-11-26 00:09:59,284 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_connected [2022-11-26 00:09:59,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:09:59,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:09:59,284 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-26 00:09:59,284 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-26 00:09:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2022-11-26 00:09:59,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2022-11-26 00:09:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-26 00:09:59,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-26 00:09:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-26 00:09:59,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-26 00:09:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:09:59,286 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2022-11-26 00:09:59,286 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2022-11-26 00:09:59,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:09:59,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:09:59,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:09:59,814 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:09:59,817 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:10:00,115 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:10:01,401 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:10:02,218 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:10:02,218 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-26 00:10:02,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:10:02 BoogieIcfgContainer [2022-11-26 00:10:02,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:10:02,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:10:02,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:10:02,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:10:02,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:09:56" (1/3) ... [2022-11-26 00:10:02,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f8b32c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:10:02, skipping insertion in model container [2022-11-26 00:10:02,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:58" (2/3) ... [2022-11-26 00:10:02,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f8b32c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:10:02, skipping insertion in model container [2022-11-26 00:10:02,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:10:02" (3/3) ... [2022-11-26 00:10:02,231 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--lapbether.ko-entry_point.cil.out.i [2022-11-26 00:10:02,251 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:10:02,251 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:10:02,329 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:10:02,335 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@68d2a9ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:10:02,336 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:10:02,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 282 states have (on average 1.3936170212765957) internal successors, (393), 292 states have internal predecessors, (393), 106 states have call successors, (106), 35 states have call predecessors, (106), 34 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2022-11-26 00:10:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-26 00:10:02,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:02,358 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:02,358 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:10:02,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:02,366 INFO L85 PathProgramCache]: Analyzing trace with hash 417561123, now seen corresponding path program 1 times [2022-11-26 00:10:02,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:02,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160449949] [2022-11-26 00:10:02,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:02,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:03,161 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-26 00:10:03,162 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:03,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160449949] [2022-11-26 00:10:03,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160449949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:03,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:03,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:10:03,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968611159] [2022-11-26 00:10:03,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:03,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:10:03,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:03,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:10:03,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:10:03,222 INFO L87 Difference]: Start difference. First operand has 424 states, 282 states have (on average 1.3936170212765957) internal successors, (393), 292 states have internal predecessors, (393), 106 states have call successors, (106), 35 states have call predecessors, (106), 34 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:10:03,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:03,955 INFO L93 Difference]: Finished difference Result 1217 states and 1764 transitions. [2022-11-26 00:10:03,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:10:03,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 109 [2022-11-26 00:10:03,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:03,974 INFO L225 Difference]: With dead ends: 1217 [2022-11-26 00:10:03,975 INFO L226 Difference]: Without dead ends: 794 [2022-11-26 00:10:03,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:10:03,994 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 535 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 1099 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:03,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 1099 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:10:04,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2022-11-26 00:10:04,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2022-11-26 00:10:04,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 541 states have (on average 1.3604436229205175) internal successors, (736), 545 states have internal predecessors, (736), 186 states have call successors, (186), 67 states have call predecessors, (186), 66 states have return successors, (185), 185 states have call predecessors, (185), 185 states have call successors, (185) [2022-11-26 00:10:04,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1107 transitions. [2022-11-26 00:10:04,147 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1107 transitions. Word has length 109 [2022-11-26 00:10:04,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:04,148 INFO L495 AbstractCegarLoop]: Abstraction has 794 states and 1107 transitions. [2022-11-26 00:10:04,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:10:04,149 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1107 transitions. [2022-11-26 00:10:04,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-26 00:10:04,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:04,159 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:04,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:10:04,159 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:10:04,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:04,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1234931697, now seen corresponding path program 1 times [2022-11-26 00:10:04,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:04,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288419253] [2022-11-26 00:10:04,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:04,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-26 00:10:04,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:04,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288419253] [2022-11-26 00:10:04,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288419253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:04,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:04,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:10:04,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634972249] [2022-11-26 00:10:04,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:04,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:10:04,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:04,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:10:04,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:10:04,656 INFO L87 Difference]: Start difference. First operand 794 states and 1107 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:10:05,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:05,236 INFO L93 Difference]: Finished difference Result 1571 states and 2233 transitions. [2022-11-26 00:10:05,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:10:05,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 111 [2022-11-26 00:10:05,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:05,254 INFO L225 Difference]: With dead ends: 1571 [2022-11-26 00:10:05,254 INFO L226 Difference]: Without dead ends: 1561 [2022-11-26 00:10:05,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:10:05,257 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 562 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:05,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 1671 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:10:05,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1561 states. [2022-11-26 00:10:05,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1561 to 1553. [2022-11-26 00:10:05,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1553 states, 1059 states have (on average 1.3626062322946175) internal successors, (1443), 1067 states have internal predecessors, (1443), 361 states have call successors, (361), 133 states have call predecessors, (361), 132 states have return successors, (404), 360 states have call predecessors, (404), 360 states have call successors, (404) [2022-11-26 00:10:05,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1553 states and 2208 transitions. [2022-11-26 00:10:05,365 INFO L78 Accepts]: Start accepts. Automaton has 1553 states and 2208 transitions. Word has length 111 [2022-11-26 00:10:05,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:05,372 INFO L495 AbstractCegarLoop]: Abstraction has 1553 states and 2208 transitions. [2022-11-26 00:10:05,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-26 00:10:05,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2208 transitions. [2022-11-26 00:10:05,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-26 00:10:05,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:05,386 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-11-26 00:10:05,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:10:05,387 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:10:05,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:05,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1375519559, now seen corresponding path program 1 times [2022-11-26 00:10:05,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:05,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469234245] [2022-11-26 00:10:05,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:05,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:05,614 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-26 00:10:05,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:05,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469234245] [2022-11-26 00:10:05,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469234245] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:05,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:05,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:10:05,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777905800] [2022-11-26 00:10:05,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:05,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:10:05,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:05,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:10:05,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:10:05,618 INFO L87 Difference]: Start difference. First operand 1553 states and 2208 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:10:06,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:06,124 INFO L93 Difference]: Finished difference Result 4415 states and 6243 transitions. [2022-11-26 00:10:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:10:06,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 143 [2022-11-26 00:10:06,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:06,146 INFO L225 Difference]: With dead ends: 4415 [2022-11-26 00:10:06,146 INFO L226 Difference]: Without dead ends: 2879 [2022-11-26 00:10:06,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:10:06,161 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 484 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:06,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 1033 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:10:06,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2022-11-26 00:10:06,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2874. [2022-11-26 00:10:06,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2874 states, 1950 states have (on average 1.3502564102564103) internal successors, (2633), 1966 states have internal predecessors, (2633), 667 states have call successors, (667), 257 states have call predecessors, (667), 256 states have return successors, (752), 666 states have call predecessors, (752), 666 states have call successors, (752) [2022-11-26 00:10:06,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2874 states and 4052 transitions. [2022-11-26 00:10:06,385 INFO L78 Accepts]: Start accepts. Automaton has 2874 states and 4052 transitions. Word has length 143 [2022-11-26 00:10:06,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:06,386 INFO L495 AbstractCegarLoop]: Abstraction has 2874 states and 4052 transitions. [2022-11-26 00:10:06,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:10:06,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2874 states and 4052 transitions. [2022-11-26 00:10:06,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-26 00:10:06,392 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:06,392 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-11-26 00:10:06,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:10:06,394 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:10:06,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:06,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1155320486, now seen corresponding path program 1 times [2022-11-26 00:10:06,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:06,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036015173] [2022-11-26 00:10:06,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:06,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:06,562 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-26 00:10:06,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:06,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036015173] [2022-11-26 00:10:06,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036015173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:06,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:06,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:10:06,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016329499] [2022-11-26 00:10:06,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:06,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:10:06,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:06,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:10:06,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:10:06,565 INFO L87 Difference]: Start difference. First operand 2874 states and 4052 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:10:07,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:07,272 INFO L93 Difference]: Finished difference Result 7950 states and 11159 transitions. [2022-11-26 00:10:07,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:10:07,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 142 [2022-11-26 00:10:07,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:07,303 INFO L225 Difference]: With dead ends: 7950 [2022-11-26 00:10:07,303 INFO L226 Difference]: Without dead ends: 5093 [2022-11-26 00:10:07,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:10:07,315 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 451 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:07,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 1090 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:10:07,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5093 states. [2022-11-26 00:10:07,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5093 to 5088. [2022-11-26 00:10:07,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5088 states, 3468 states have (on average 1.3543829296424452) internal successors, (4697), 3484 states have internal predecessors, (4697), 1135 states have call successors, (1135), 485 states have call predecessors, (1135), 484 states have return successors, (1288), 1134 states have call predecessors, (1288), 1134 states have call successors, (1288) [2022-11-26 00:10:07,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5088 states to 5088 states and 7120 transitions. [2022-11-26 00:10:07,682 INFO L78 Accepts]: Start accepts. Automaton has 5088 states and 7120 transitions. Word has length 142 [2022-11-26 00:10:07,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:07,683 INFO L495 AbstractCegarLoop]: Abstraction has 5088 states and 7120 transitions. [2022-11-26 00:10:07,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:10:07,683 INFO L276 IsEmpty]: Start isEmpty. Operand 5088 states and 7120 transitions. [2022-11-26 00:10:07,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-26 00:10:07,686 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:07,686 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-11-26 00:10:07,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:10:07,687 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:10:07,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:07,688 INFO L85 PathProgramCache]: Analyzing trace with hash -270374221, now seen corresponding path program 1 times [2022-11-26 00:10:07,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:07,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711117110] [2022-11-26 00:10:07,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:07,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:07,838 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-11-26 00:10:07,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:07,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711117110] [2022-11-26 00:10:07,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711117110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:07,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:07,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:10:07,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941552176] [2022-11-26 00:10:07,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:07,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:10:07,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:07,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:10:07,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:10:07,841 INFO L87 Difference]: Start difference. First operand 5088 states and 7120 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:10:08,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:08,654 INFO L93 Difference]: Finished difference Result 13138 states and 18347 transitions. [2022-11-26 00:10:08,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:10:08,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 152 [2022-11-26 00:10:08,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:08,697 INFO L225 Difference]: With dead ends: 13138 [2022-11-26 00:10:08,697 INFO L226 Difference]: Without dead ends: 8067 [2022-11-26 00:10:08,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:10:08,714 INFO L413 NwaCegarLoop]: 689 mSDtfsCounter, 400 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:08,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1126 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:10:08,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8067 states. [2022-11-26 00:10:09,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8067 to 8060. [2022-11-26 00:10:09,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8060 states, 5570 states have (on average 1.3610412926391382) internal successors, (7581), 5604 states have internal predecessors, (7581), 1735 states have call successors, (1735), 755 states have call predecessors, (1735), 754 states have return successors, (1914), 1732 states have call predecessors, (1914), 1734 states have call successors, (1914) [2022-11-26 00:10:09,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8060 states to 8060 states and 11230 transitions. [2022-11-26 00:10:09,209 INFO L78 Accepts]: Start accepts. Automaton has 8060 states and 11230 transitions. Word has length 152 [2022-11-26 00:10:09,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:09,210 INFO L495 AbstractCegarLoop]: Abstraction has 8060 states and 11230 transitions. [2022-11-26 00:10:09,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:10:09,211 INFO L276 IsEmpty]: Start isEmpty. Operand 8060 states and 11230 transitions. [2022-11-26 00:10:09,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-26 00:10:09,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:09,225 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:09,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:10:09,225 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:10:09,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:09,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1110506072, now seen corresponding path program 1 times [2022-11-26 00:10:09,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:09,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567555313] [2022-11-26 00:10:09,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:09,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:09,415 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2022-11-26 00:10:09,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:09,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567555313] [2022-11-26 00:10:09,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567555313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:09,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:09,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:10:09,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093035032] [2022-11-26 00:10:09,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:09,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:10:09,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:09,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:10:09,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:10:09,418 INFO L87 Difference]: Start difference. First operand 8060 states and 11230 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-26 00:10:10,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:10,166 INFO L93 Difference]: Finished difference Result 12181 states and 17215 transitions. [2022-11-26 00:10:10,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:10:10,167 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 186 [2022-11-26 00:10:10,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:10,217 INFO L225 Difference]: With dead ends: 12181 [2022-11-26 00:10:10,217 INFO L226 Difference]: Without dead ends: 8116 [2022-11-26 00:10:10,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:10:10,237 INFO L413 NwaCegarLoop]: 494 mSDtfsCounter, 4 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:10,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 982 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:10:10,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8116 states. [2022-11-26 00:10:10,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8116 to 8116. [2022-11-26 00:10:10,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8116 states, 5612 states have (on average 1.3583392729864576) internal successors, (7623), 5660 states have internal predecessors, (7623), 1735 states have call successors, (1735), 755 states have call predecessors, (1735), 768 states have return successors, (1934), 1732 states have call predecessors, (1934), 1734 states have call successors, (1934) [2022-11-26 00:10:10,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8116 states to 8116 states and 11292 transitions. [2022-11-26 00:10:10,814 INFO L78 Accepts]: Start accepts. Automaton has 8116 states and 11292 transitions. Word has length 186 [2022-11-26 00:10:10,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:10,815 INFO L495 AbstractCegarLoop]: Abstraction has 8116 states and 11292 transitions. [2022-11-26 00:10:10,815 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-26 00:10:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 8116 states and 11292 transitions. [2022-11-26 00:10:10,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-11-26 00:10:10,829 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:10,829 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 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] [2022-11-26 00:10:10,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:10:10,830 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:10:10,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:10,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1918442072, now seen corresponding path program 1 times [2022-11-26 00:10:10,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:10,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543317545] [2022-11-26 00:10:10,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:10,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:11,055 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2022-11-26 00:10:11,055 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:11,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543317545] [2022-11-26 00:10:11,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543317545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:11,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:11,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:10:11,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102793636] [2022-11-26 00:10:11,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:11,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:10:11,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:11,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:10:11,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:10:11,058 INFO L87 Difference]: Start difference. First operand 8116 states and 11292 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-26 00:10:11,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:11,989 INFO L93 Difference]: Finished difference Result 20074 states and 27981 transitions. [2022-11-26 00:10:11,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:10:11,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 188 [2022-11-26 00:10:11,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:12,061 INFO L225 Difference]: With dead ends: 20074 [2022-11-26 00:10:12,061 INFO L226 Difference]: Without dead ends: 11983 [2022-11-26 00:10:12,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:10:12,088 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 484 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 1139 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:12,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 1139 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:10:12,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11983 states. [2022-11-26 00:10:12,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11983 to 11978. [2022-11-26 00:10:12,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11978 states, 8340 states have (on average 1.3559952038369305) internal successors, (11309), 8410 states have internal predecessors, (11309), 2503 states have call successors, (2503), 1115 states have call predecessors, (2503), 1134 states have return successors, (2794), 2500 states have call predecessors, (2794), 2502 states have call successors, (2794) [2022-11-26 00:10:12,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11978 states to 11978 states and 16606 transitions. [2022-11-26 00:10:12,781 INFO L78 Accepts]: Start accepts. Automaton has 11978 states and 16606 transitions. Word has length 188 [2022-11-26 00:10:12,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:12,782 INFO L495 AbstractCegarLoop]: Abstraction has 11978 states and 16606 transitions. [2022-11-26 00:10:12,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-26 00:10:12,782 INFO L276 IsEmpty]: Start isEmpty. Operand 11978 states and 16606 transitions. [2022-11-26 00:10:12,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-26 00:10:12,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:12,799 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 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] [2022-11-26 00:10:12,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:10:12,800 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:10:12,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:12,800 INFO L85 PathProgramCache]: Analyzing trace with hash -2024473653, now seen corresponding path program 1 times [2022-11-26 00:10:12,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:12,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999661071] [2022-11-26 00:10:12,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:12,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:13,524 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2022-11-26 00:10:13,524 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:13,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999661071] [2022-11-26 00:10:13,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999661071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:13,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:13,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:10:13,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787477078] [2022-11-26 00:10:13,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:13,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:10:13,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:13,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:10:13,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:10:13,527 INFO L87 Difference]: Start difference. First operand 11978 states and 16606 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (17), 4 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-26 00:10:16,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:16,455 INFO L93 Difference]: Finished difference Result 24631 states and 34667 transitions. [2022-11-26 00:10:16,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:10:16,456 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (17), 4 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) Word has length 187 [2022-11-26 00:10:16,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:16,510 INFO L225 Difference]: With dead ends: 24631 [2022-11-26 00:10:16,510 INFO L226 Difference]: Without dead ends: 12678 [2022-11-26 00:10:16,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:10:16,543 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 1129 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 614 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1200 SdHoareTripleChecker+Valid, 1523 SdHoareTripleChecker+Invalid, 2037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 614 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:16,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1200 Valid, 1523 Invalid, 2037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [614 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-26 00:10:16,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12678 states. [2022-11-26 00:10:17,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12678 to 12198. [2022-11-26 00:10:17,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12198 states, 8460 states have (on average 1.3466903073286052) internal successors, (11393), 8522 states have internal predecessors, (11393), 2575 states have call successors, (2575), 1115 states have call predecessors, (2575), 1162 states have return successors, (2814), 2608 states have call predecessors, (2814), 2574 states have call successors, (2814) [2022-11-26 00:10:17,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12198 states to 12198 states and 16782 transitions. [2022-11-26 00:10:17,304 INFO L78 Accepts]: Start accepts. Automaton has 12198 states and 16782 transitions. Word has length 187 [2022-11-26 00:10:17,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:17,305 INFO L495 AbstractCegarLoop]: Abstraction has 12198 states and 16782 transitions. [2022-11-26 00:10:17,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (17), 4 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-26 00:10:17,305 INFO L276 IsEmpty]: Start isEmpty. Operand 12198 states and 16782 transitions. [2022-11-26 00:10:17,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-26 00:10:17,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:17,321 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 3, 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] [2022-11-26 00:10:17,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:10:17,321 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:10:17,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:17,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1487345376, now seen corresponding path program 1 times [2022-11-26 00:10:17,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:17,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865486172] [2022-11-26 00:10:17,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:17,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:10:17,553 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2022-11-26 00:10:17,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:10:17,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865486172] [2022-11-26 00:10:17,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865486172] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:10:17,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:10:17,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:10:17,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145622416] [2022-11-26 00:10:17,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:10:17,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:10:17,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:10:17,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:10:17,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:10:17,557 INFO L87 Difference]: Start difference. First operand 12198 states and 16782 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-26 00:10:19,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:10:19,058 INFO L93 Difference]: Finished difference Result 31658 states and 43377 transitions. [2022-11-26 00:10:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:10:19,058 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), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 194 [2022-11-26 00:10:19,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:10:19,129 INFO L225 Difference]: With dead ends: 31658 [2022-11-26 00:10:19,130 INFO L226 Difference]: Without dead ends: 19485 [2022-11-26 00:10:19,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:10:19,157 INFO L413 NwaCegarLoop]: 680 mSDtfsCounter, 506 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:10:19,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 1125 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 00:10:19,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19485 states. [2022-11-26 00:10:20,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19485 to 19478. [2022-11-26 00:10:20,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19478 states, 13526 states have (on average 1.329365666124501) internal successors, (17981), 13626 states have internal predecessors, (17981), 4021 states have call successors, (4021), 1835 states have call predecessors, (4021), 1930 states have return successors, (4332), 4088 states have call predecessors, (4332), 4020 states have call successors, (4332) [2022-11-26 00:10:20,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19478 states to 19478 states and 26334 transitions. [2022-11-26 00:10:20,450 INFO L78 Accepts]: Start accepts. Automaton has 19478 states and 26334 transitions. Word has length 194 [2022-11-26 00:10:20,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:10:20,452 INFO L495 AbstractCegarLoop]: Abstraction has 19478 states and 26334 transitions. [2022-11-26 00:10:20,452 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), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-26 00:10:20,452 INFO L276 IsEmpty]: Start isEmpty. Operand 19478 states and 26334 transitions. [2022-11-26 00:10:20,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-26 00:10:20,472 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:10:20,472 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 3, 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] [2022-11-26 00:10:20,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:10:20,473 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:10:20,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:10:20,474 INFO L85 PathProgramCache]: Analyzing trace with hash -126325026, now seen corresponding path program 1 times [2022-11-26 00:10:20,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:10:20,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102784962] [2022-11-26 00:10:20,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:10:20,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:10:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:10:20,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:10:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:10:21,167 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 00:10:21,167 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:10:21,168 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 00:10:21,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:10:21,175 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:10:21,179 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:10:21,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:10:21 BoogieIcfgContainer [2022-11-26 00:10:21,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:10:21,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:10:21,445 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:10:21,445 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:10:21,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:10:02" (3/4) ... [2022-11-26 00:10:21,447 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-26 00:10:21,710 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:10:21,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:10:21,711 INFO L158 Benchmark]: Toolchain (without parser) took 24883.46ms. Allocated memory was 167.8MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 128.6MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 572.6MB. Max. memory is 16.1GB. [2022-11-26 00:10:21,711 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory was 64.8MB in the beginning and 64.7MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:10:21,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2076.69ms. Allocated memory is still 167.8MB. Free memory was 128.6MB in the beginning and 92.9MB in the end (delta: 35.8MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. [2022-11-26 00:10:21,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 163.26ms. Allocated memory is still 167.8MB. Free memory was 92.9MB in the beginning and 81.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:10:21,713 INFO L158 Benchmark]: Boogie Preprocessor took 115.12ms. Allocated memory is still 167.8MB. Free memory was 81.5MB in the beginning and 68.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-26 00:10:21,713 INFO L158 Benchmark]: RCFGBuilder took 3033.50ms. Allocated memory was 167.8MB in the beginning and 237.0MB in the end (delta: 69.2MB). Free memory was 68.8MB in the beginning and 115.0MB in the end (delta: -46.3MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2022-11-26 00:10:21,714 INFO L158 Benchmark]: TraceAbstraction took 19219.86ms. Allocated memory was 237.0MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 114.0MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 438.9MB. Max. memory is 16.1GB. [2022-11-26 00:10:21,715 INFO L158 Benchmark]: Witness Printer took 266.14ms. Allocated memory is still 2.5GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 48.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-26 00:10:21,716 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory was 64.8MB in the beginning and 64.7MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2076.69ms. Allocated memory is still 167.8MB. Free memory was 128.6MB in the beginning and 92.9MB in the end (delta: 35.8MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 163.26ms. Allocated memory is still 167.8MB. Free memory was 92.9MB in the beginning and 81.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.12ms. Allocated memory is still 167.8MB. Free memory was 81.5MB in the beginning and 68.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3033.50ms. Allocated memory was 167.8MB in the beginning and 237.0MB in the end (delta: 69.2MB). Free memory was 68.8MB in the beginning and 115.0MB in the end (delta: -46.3MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. * TraceAbstraction took 19219.86ms. Allocated memory was 237.0MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 114.0MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 438.9MB. Max. memory is 16.1GB. * Witness Printer took 266.14ms. Allocated memory is still 2.5GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 48.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 6079]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6102] int ldv_state_variable_3 ; [L6103] int LDV_IN_INTERRUPT = 1; [L6104] int ldv_state_variable_2 ; [L6105] struct net_device *lapbeth_netdev_ops_group1 ; [L6106] int ref_cnt ; [L6107] struct sk_buff *lapbeth_callbacks_group0 ; [L6108] struct net_device *lapbeth_callbacks_group1 ; [L6109] int ldv_state_variable_1 ; [L6110] int ldv_state_variable_4 ; [L6111] int ldv_state_variable_0 ; [L6683-L6684] static u8 const bcast_addr[6U] = { 255U, 255U, 255U, 255U, 255U, 255U}; [L6685] static struct list_head lapbeth_devices = {& lapbeth_devices, & lapbeth_devices}; [L6968-L6969] static struct lapb_register_struct const lapbeth_callbacks = {& lapbeth_connected, & lapbeth_connected, & lapbeth_disconnected, & lapbeth_disconnected, & lapbeth_data_indication, & lapbeth_data_transmit}; [L6997-L7000] static struct net_device_ops const lapbeth_netdev_ops = {0, 0, & lapbeth_open, & lapbeth_close, & lapbeth_xmit, 0, 0, 0, & lapbeth_set_mac_address, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L7117] static struct packet_type lapbeth_packet_type = {96U, 0, & lapbeth_rcv, 0, 0, {0, 0}}; [L7118] static struct notifier_block lapbeth_dev_notifier = {& lapbeth_device_event, 0, 0}; [L7119-L7128] static char const banner[37U] = { '\016', 'L', 'A', 'P', 'B', ' ', 'E', 't', 'h', 'e', 'r', 'n', 'e', 't', ' ', 'd', 'r', 'i', 'v', 'e', 'r', ' ', 'v', 'e', 'r', 's', 'i', 'o', 'n', ' ', '0', '.', '0', '2', '\n', '\000'}; [L7169] int ldv_retval_2 ; [L7170] int ldv_retval_0 ; [L7172] int ldv_retval_1 ; [L7607] Element set_impl[15] ; [L7608] int last_index = 0; [L7742] Set LDV_SKBS ; [L7198] int ldvarg1 ; [L7199] int tmp ; [L7200] int ldvarg3 ; [L7201] int tmp___0 ; [L7202] int ldvarg0 ; [L7203] int tmp___1 ; [L7204] int ldvarg2 ; [L7205] int tmp___2 ; [L7206] struct notifier_block *ldvarg4 ; [L7207] void *tmp___3 ; [L7208] void *ldvarg5 ; [L7209] void *tmp___4 ; [L7210] unsigned long ldvarg6 ; [L7211] unsigned long tmp___5 ; [L7212] struct sk_buff *ldvarg8 ; [L7213] void *tmp___6 ; [L7214] void *ldvarg7 ; [L7215] void *tmp___7 ; [L7216] struct packet_type *ldvarg11 ; [L7217] void *tmp___8 ; [L7218] struct sk_buff *ldvarg10 ; [L7219] void *tmp___9 ; [L7220] struct net_device *ldvarg12 ; [L7221] void *tmp___10 ; [L7222] struct net_device *ldvarg9 ; [L7223] void *tmp___11 ; [L7224] int tmp___12 ; [L7225] int tmp___13 ; [L7226] int tmp___14 ; [L7227] int tmp___15 ; [L7228] int tmp___16 ; [L7229] int tmp___17 ; [L7231] tmp = __VERIFIER_nondet_int() [L7232] ldvarg1 = tmp [L7233] tmp___0 = __VERIFIER_nondet_int() [L7234] ldvarg3 = tmp___0 [L7235] tmp___1 = __VERIFIER_nondet_int() [L7236] ldvarg0 = tmp___1 [L7237] tmp___2 = __VERIFIER_nondet_int() [L7238] ldvarg2 = tmp___2 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0] [L7239] CALL, EXPR ldv_successful_zalloc(24UL) VAL [\old(__size)=24, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=24, __size=24, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-3:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=24, __size=24, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-3:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, p={-3:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=24, __size=24, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-3:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, p={-3:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7239] RET, EXPR ldv_successful_zalloc(24UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_successful_zalloc(24UL)={-3:0}, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0] [L7239] tmp___3 = ldv_successful_zalloc(24UL) [L7240] ldvarg4 = (struct notifier_block *)tmp___3 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}] [L7241] CALL, EXPR ldv_successful_zalloc(1UL) VAL [\old(__size)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=1, __size=1, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-4:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=1, __size=1, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-4:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, p={-4:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=1, __size=1, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-4:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, p={-4:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7241] RET, EXPR ldv_successful_zalloc(1UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_successful_zalloc(1UL)={-4:0}, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}] [L7241] tmp___4 = ldv_successful_zalloc(1UL) [L7242] ldvarg5 = tmp___4 [L7243] tmp___5 = __VERIFIER_nondet_ulong() [L7244] ldvarg6 = tmp___5 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2] [L7245] CALL, EXPR ldv_successful_zalloc(232UL) VAL [\old(__size)=232, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-5:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-5:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, p={-5:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-5:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, p={-5:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7245] RET, EXPR ldv_successful_zalloc(232UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_successful_zalloc(232UL)={-5:0}, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2] [L7245] tmp___6 = ldv_successful_zalloc(232UL) [L7246] ldvarg8 = (struct sk_buff *)tmp___6 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}] [L7247] CALL, EXPR ldv_successful_zalloc(1UL) VAL [\old(__size)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=1, __size=1, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-6:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=1, __size=1, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-6:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, p={-6:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=1, __size=1, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-6:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, p={-6:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7247] RET, EXPR ldv_successful_zalloc(1UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_successful_zalloc(1UL)={-6:0}, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}] [L7247] tmp___7 = ldv_successful_zalloc(1UL) [L7248] ldvarg7 = tmp___7 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}] [L7249] CALL, EXPR ldv_successful_zalloc(56UL) VAL [\old(__size)=56, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=56, __size=56, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-7:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=56, __size=56, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-7:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, p={-7:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=56, __size=56, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-7:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, p={-7:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7249] RET, EXPR ldv_successful_zalloc(56UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_successful_zalloc(56UL)={-7:0}, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}] [L7249] tmp___8 = ldv_successful_zalloc(56UL) [L7250] ldvarg11 = (struct packet_type *)tmp___8 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldvarg0=0, ldvarg1=-2, ldvarg11={-7:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}] [L7251] CALL, EXPR ldv_successful_zalloc(232UL) VAL [\old(__size)=232, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-8:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-8:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, p={-8:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-8:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, p={-8:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7251] RET, EXPR ldv_successful_zalloc(232UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_successful_zalloc(232UL)={-8:0}, ldvarg0=0, ldvarg1=-2, ldvarg11={-7:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}] [L7251] tmp___9 = ldv_successful_zalloc(232UL) [L7252] ldvarg10 = (struct sk_buff *)tmp___9 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7253] CALL, EXPR ldv_successful_zalloc(3264UL) VAL [\old(__size)=3264, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-9:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-9:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, p={-9:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-9:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, p={-9:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7253] RET, EXPR ldv_successful_zalloc(3264UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_successful_zalloc(3264UL)={-9:0}, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7253] tmp___10 = ldv_successful_zalloc(3264UL) [L7254] ldvarg12 = (struct net_device *)tmp___10 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7255] CALL, EXPR ldv_successful_zalloc(3264UL) VAL [\old(__size)=3264, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-10:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-10:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, p={-10:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-10:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, p={-10:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7255] RET, EXPR ldv_successful_zalloc(3264UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_successful_zalloc(3264UL)={-10:0}, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7255] tmp___11 = ldv_successful_zalloc(3264UL) [L7256] ldvarg9 = (struct net_device *)tmp___11 [L7257] CALL ldv_initialize() [L7761] CALL ldv_set_init(LDV_SKBS) [L7613] set = set_impl [L7614] last_index = 0 [L7761] RET ldv_set_init(LDV_SKBS) [L7257] RET ldv_initialize() [L7258] ldv_state_variable_4 = 0 [L7259] ldv_state_variable_1 = 0 [L7260] ref_cnt = 0 [L7261] ldv_state_variable_0 = 1 [L7262] ldv_state_variable_3 = 0 [L7263] ldv_state_variable_2 = 0 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7265] tmp___12 = __VERIFIER_nondet_int() [L7267] case 0: [L7354] case 1: [L7372] case 2: VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=2, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7373] COND TRUE ldv_state_variable_0 != 0 [L7374] tmp___15 = __VERIFIER_nondet_int() [L7376] case 0: [L7384] case 1: VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=2, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7385] COND TRUE ldv_state_variable_0 == 1 [L7386] CALL, EXPR lapbeth_init_driver() [L7132] FCALL dev_add_pack(& lapbeth_packet_type) [L7133] CALL register_netdevice_notifier(& lapbeth_dev_notifier) [L7932] return __VERIFIER_nondet_int(); [L7133] RET register_netdevice_notifier(& lapbeth_dev_notifier) [L7135] return (0); [L7386] RET, EXPR lapbeth_init_driver() [L7386] ldv_retval_0 = lapbeth_init_driver() [L7387] COND TRUE ldv_retval_0 == 0 [L7388] ldv_state_variable_0 = 3 [L7389] ldv_state_variable_2 = 1 [L7390] ldv_state_variable_3 = 1 [L7391] CALL ldv_net_device_ops_3() [L7177] void *tmp ; VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L7179] CALL, EXPR ldv_successful_zalloc(3264UL) VAL [\old(__size)=3264, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-11:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-11:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, p={-11:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-11:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, p={-11:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7179] RET, EXPR ldv_successful_zalloc(3264UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_successful_zalloc(3264UL)={-11:0}, ref_cnt=0, set_impl={29:0}] [L7179] tmp = ldv_successful_zalloc(3264UL) [L7180] lapbeth_netdev_ops_group1 = (struct net_device *)tmp [L7391] RET ldv_net_device_ops_3() [L7392] ldv_state_variable_1 = 1 [L7393] ldv_state_variable_4 = 1 [L7394] CALL ldv_initialize_lapb_register_struct_4() [L7186] void *tmp ; [L7187] void *tmp___0 ; VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L7189] CALL, EXPR ldv_successful_zalloc(3264UL) VAL [\old(__size)=3264, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-12:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-12:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, p={-12:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-12:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, p={-12:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7189] RET, EXPR ldv_successful_zalloc(3264UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_successful_zalloc(3264UL)={-12:0}, ref_cnt=0, set_impl={29:0}] [L7189] tmp = ldv_successful_zalloc(3264UL) [L7190] lapbeth_callbacks_group1 = (struct net_device *)tmp VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}, tmp={-12:0}] [L7191] CALL, EXPR ldv_successful_zalloc(232UL) VAL [\old(__size)=232, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-13:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-13:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, p={-13:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-13:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, p={-13:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7191] RET, EXPR ldv_successful_zalloc(232UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_successful_zalloc(232UL)={-13:0}, ref_cnt=0, set_impl={29:0}, tmp={-12:0}] [L7191] tmp___0 = ldv_successful_zalloc(232UL) [L7192] lapbeth_callbacks_group0 = (struct sk_buff *)tmp___0 [L7394] RET ldv_initialize_lapb_register_struct_4() [L7397] COND FALSE !(ldv_retval_0 != 0) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=2, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7265] tmp___12 = __VERIFIER_nondet_int() [L7267] case 0: VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=0, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7268] COND TRUE ldv_state_variable_4 != 0 [L7269] tmp___13 = __VERIFIER_nondet_int() [L7271] case 0: [L7283] case 1: [L7295] case 2: [L7303] case 3: [L7315] case 4: [L7327] case 5: VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=0, tmp___13=5, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7328] COND TRUE ldv_state_variable_4 == 1 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=0, tmp___13=5, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7329] CALL lapbeth_disconnected(lapbeth_callbacks_group1, ldvarg0) VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6936] unsigned char *ptr ; [L6937] struct sk_buff *skb ; [L6938] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(reason)=0, banner={28:0}, bcast_addr={22:0}, dev={-12:0}, dev={-12:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, reason=0, ref_cnt=0, set_impl={29:0}] [L6940] CALL, EXPR ldv_dev_alloc_skb_18(1U) VAL [\old(last_index)=0, \old(length)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L7584] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(length)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, length=1, ref_cnt=0, set_impl={29:0}] [L7586] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L7745] void *skb ; [L7746] void *tmp___7 ; VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L7748] CALL, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(__size)=248, \old(last_index)=0, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=248, \old(last_index)=0, __size=248, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={18446744073709551616:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=248, \old(last_index)=0, __size=248, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={18446744073709551616:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, p={18446744073709551616:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, \old(last_index)=0, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=248, \old(last_index)=0, __size=248, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={18446744073709551616:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, p={18446744073709551616:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7748] RET, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_successful_zalloc(sizeof(struct sk_buff___0 ))={18446744073709551616:0}, ref_cnt=0, set_impl={29:0}] [L7748] tmp___7 = ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L7749] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}, skb={18446744073709551616:0}, tmp___7={18446744073709551616:0}] [L7750] COND FALSE !(! skb) [L7753] CALL ldv_set_add(LDV_SKBS, skb) [L7621] int i ; [L7623] i = 0 VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, e={18446744073709551616:0}, e={18446744073709551616:0}, i=0, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={29:0}] [L7624] COND TRUE 1 VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, e={18446744073709551616:0}, e={18446744073709551616:0}, i=0, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={29:0}] [L7625] COND FALSE !(i < last_index) VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, e={18446744073709551616:0}, e={18446744073709551616:0}, i=0, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={29:0}] [L7635] COND TRUE last_index < 15 [L7636] set_impl[last_index] = e [L7637] last_index = last_index + 1 VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, e={18446744073709551616:0}, e={18446744073709551616:0}, i=0, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={29:0}] [L7753] RET ldv_set_add(LDV_SKBS, skb) [L7754] return (skb); VAL [\old(last_index)=0, \result={18446744073709551616:0}, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}, skb={18446744073709551616:0}, tmp___7={18446744073709551616:0}] [L7586] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(length)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_skb_alloc()={18446744073709551616:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, length=1, ref_cnt=0, set_impl={29:0}] [L7586] tmp = ldv_skb_alloc() [L7587] return (tmp); [L6940] RET, EXPR ldv_dev_alloc_skb_18(1U) VAL [\old(last_index)=0, \old(reason)=0, banner={28:0}, bcast_addr={22:0}, dev={-12:0}, dev={-12:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, ldv_dev_alloc_skb_18(1U)={18446744073709551616:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, reason=0, ref_cnt=0, set_impl={29:0}] [L6940] tmp = ldv_dev_alloc_skb_18(1U) [L6941] skb = tmp VAL [\old(last_index)=0, \old(reason)=0, banner={28:0}, bcast_addr={22:0}, dev={-12:0}, dev={-12:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, reason=0, ref_cnt=0, set_impl={29:0}, skb={18446744073709551616:0}, tmp={18446744073709551616:0}] [L6942] COND TRUE (unsigned long )skb == (unsigned long )((struct sk_buff *)0) [L7329] RET lapbeth_disconnected(lapbeth_callbacks_group1, ldvarg0) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=0, tmp___13=5, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7330] ldv_state_variable_4 = 1 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=0, tmp___13=5, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7333] COND FALSE !(ldv_state_variable_4 == 2) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=0, tmp___13=5, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7265] tmp___12 = __VERIFIER_nondet_int() [L7267] case 0: [L7354] case 1: [L7372] case 2: VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=2, tmp___13=5, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7373] COND TRUE ldv_state_variable_0 != 0 [L7374] tmp___15 = __VERIFIER_nondet_int() [L7376] case 0: VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=2, tmp___13=5, tmp___15=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7377] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L7378] CALL lapbeth_cleanup_driver() [L7140] struct lapbethdev *lapbeth ; [L7141] struct list_head *entry ; [L7142] struct list_head *tmp ; [L7143] struct list_head const *__mptr ; [L7145] FCALL dev_remove_pack(& lapbeth_packet_type) [L7146] CALL unregister_netdevice_notifier(& lapbeth_dev_notifier) [L7963] return __VERIFIER_nondet_int(); [L7146] RET unregister_netdevice_notifier(& lapbeth_dev_notifier) [L7147] FCALL rtnl_lock() [L7148] EXPR lapbeth_devices.next [L7148] entry = lapbeth_devices.next [L7149] EXPR entry->next [L7149] tmp = entry->next [L7159] COND FALSE !((unsigned long )entry != (unsigned long )(& lapbeth_devices)) [L7163] FCALL rtnl_unlock() [L7378] RET lapbeth_cleanup_driver() [L7379] ldv_state_variable_0 = 2 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=2, tmp___13=5, tmp___15=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7507] CALL ldv_check_final_state() [L7812] int tmp___7 ; [L7814] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L7703] return (last_index == 0); [L7814] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L7814] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L7815] COND FALSE !(\read(tmp___7)) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}, tmp___7=0] [L7817] CALL ldv_error() VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6079] reach_error() VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 425 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.9s, OverallIterations: 10, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4626 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4555 mSDsluCounter, 10788 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5429 mSDsCounter, 662 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3103 IncrementalHoareTripleChecker+Invalid, 3765 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 662 mSolverCounterUnsat, 5359 mSDtfsCounter, 3103 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19478occurred in iteration=9, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 517 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1610 NumberOfCodeBlocks, 1610 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1403 ConstructedInterpolants, 0 QuantifiedInterpolants, 1691 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 3852/3852 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 proved your program to be incorrect! [2022-11-26 00:10:21,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7cad16-a16d-4507-925b-39b1222b185f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE