./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:05:40,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:05:40,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:05:40,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:05:40,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:05:40,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:05:40,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:05:40,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:05:40,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:05:40,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:05:40,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:05:40,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:05:40,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:05:40,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:05:40,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:05:40,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:05:40,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:05:40,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:05:40,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:05:40,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:05:40,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:05:40,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:05:40,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:05:40,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:05:40,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:05:40,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:05:40,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:05:40,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:05:40,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:05:40,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:05:40,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:05:40,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:05:40,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:05:40,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:05:40,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:05:40,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:05:40,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:05:40,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:05:40,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:05:40,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:05:40,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:05:40,194 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 15:05:40,213 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:05:40,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:05:40,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:05:40,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:05:40,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:05:40,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:05:40,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:05:40,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:05:40,223 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:05:40,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:05:40,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:05:40,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:05:40,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:05:40,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:05:40,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:05:40,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:05:40,224 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:05:40,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:05:40,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:05:40,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:05:40,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:05:40,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:05:40,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:05:40,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:05:40,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:05:40,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:05:40,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:05:40,226 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:05:40,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:05:40,227 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:05:40,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:05:40,227 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:05:40,227 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2022-12-13 15:05:40,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:05:40,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:05:40,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:05:40,414 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:05:40,415 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:05:40,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-12-13 15:05:43,090 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:05:43,447 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:05:43,447 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-12-13 15:05:43,474 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/data/b95d107f8/64ad6a22975e4785a76e38127a62bc2d/FLAG9d5a52554 [2022-12-13 15:05:43,485 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/data/b95d107f8/64ad6a22975e4785a76e38127a62bc2d [2022-12-13 15:05:43,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:05:43,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:05:43,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:05:43,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:05:43,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:05:43,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:05:43" (1/1) ... [2022-12-13 15:05:43,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b000ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:43, skipping insertion in model container [2022-12-13 15:05:43,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:05:43" (1/1) ... [2022-12-13 15:05:43,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:05:43,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:05:44,105 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:05:44,128 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-13 15:05:44,209 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 15:05:44,215 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 15:05:44,221 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 15:05:44,227 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 15:05:44,232 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 15:05:44,281 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-13 15:05:44,311 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-13 15:05:44,458 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-13 15:05:44,459 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-13 15:05:44,482 WARN L623 FunctionHandler]: Unknown extern function __skb_flow_dissect [2022-12-13 15:05:44,507 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-12-13 15:05:44,534 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:05:44,626 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 15:05:44,666 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-13 15:05:44,692 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb_sk [2022-12-13 15:05:44,715 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:05:44,720 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:05:44,838 WARN L623 FunctionHandler]: Unknown extern function get_phys_to_machine [2022-12-13 15:05:44,838 WARN L623 FunctionHandler]: Unknown extern function get_phys_to_machine [2022-12-13 15:05:44,886 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:05:44,896 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 15:05:44,900 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:05:44,905 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:05:44,918 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:05:44,929 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:05:44,937 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:44,943 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:05:44,949 WARN L623 FunctionHandler]: Unknown extern function gnttab_batch_copy [2022-12-13 15:05:44,955 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:05:44,956 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-12-13 15:05:44,969 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:05:44,974 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:44,980 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:44,981 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:44,981 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:05:44,983 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:44,984 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:05:44,985 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:44,986 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:45,004 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:05:45,005 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:45,011 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:45,016 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:45,022 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:05:45,023 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:45,024 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:05:45,025 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:45,033 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:05:45,039 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:45,040 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:45,045 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:45,046 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:45,052 WARN L623 FunctionHandler]: Unknown extern function skb_checksum_setup [2022-12-13 15:05:45,063 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:45,066 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:45,067 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:45,068 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:45,069 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:05:45,070 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:05:45,072 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:05:45,079 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 15:05:45,080 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-13 15:05:45,081 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:05:45,090 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:05:45,092 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:05:45,092 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:45,092 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:05:45,093 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 15:05:45,094 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:45,094 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:05:45,096 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:05:45,097 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:05:45,104 WARN L623 FunctionHandler]: Unknown extern function gnttab_unmap_refs [2022-12-13 15:05:45,104 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:45,105 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:45,106 WARN L623 FunctionHandler]: Unknown extern function gnttab_batch_copy [2022-12-13 15:05:45,107 WARN L623 FunctionHandler]: Unknown extern function gnttab_map_refs [2022-12-13 15:05:45,108 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:05:45,110 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-12-13 15:05:45,111 WARN L623 FunctionHandler]: Unknown extern function gnttab_unmap_refs [2022-12-13 15:05:45,112 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:45,117 WARN L623 FunctionHandler]: Unknown extern function xenbus_unmap_ring_vfree [2022-12-13 15:05:45,118 WARN L623 FunctionHandler]: Unknown extern function xenbus_unmap_ring_vfree [2022-12-13 15:05:45,118 WARN L623 FunctionHandler]: Unknown extern function xenbus_map_ring_valloc [2022-12-13 15:05:45,119 WARN L623 FunctionHandler]: Unknown extern function xenbus_map_ring_valloc [2022-12-13 15:05:45,124 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:05:45,124 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:05:45,129 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:05:45,129 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 15:05:45,143 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 15:05:45,153 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 15:05:45,153 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 15:05:45,153 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:05:45,154 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 15:05:45,155 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-12-13 15:05:45,155 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-13 15:05:45,160 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 15:05:45,161 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:05:45,161 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:05:45,162 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 15:05:45,162 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:05:45,162 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-12-13 15:05:45,163 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-13 15:05:45,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:45,168 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 15:05:45,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:45,173 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-13 15:05:45,200 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 15:05:45,202 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 15:05:45,248 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:45,286 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 15:05:45,405 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:45,406 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:45,406 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:45,407 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:45,407 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:45,407 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:45,408 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:45,408 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:45,409 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:45,409 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:45,415 WARN L623 FunctionHandler]: Unknown extern function simple_write_to_buffer [2022-12-13 15:05:45,415 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-13 15:05:45,416 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:45,421 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 15:05:45,426 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 15:05:45,428 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-13 15:05:45,428 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:45,429 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 15:05:45,434 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-13 15:05:45,438 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-12-13 15:05:45,439 WARN L623 FunctionHandler]: Unknown extern function xenbus_rm [2022-12-13 15:05:45,439 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:45,439 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:45,444 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:45,444 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_start [2022-12-13 15:05:45,445 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:45,445 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:05:45,445 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:05:45,446 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:05:45,459 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:05:45,459 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:05:45,460 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:05:45,460 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_end [2022-12-13 15:05:45,460 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:45,461 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:05:45,462 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:05:45,462 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:05:45,463 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:05:45,463 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:05:45,464 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:45,464 WARN L623 FunctionHandler]: Unknown extern function xenbus_switch_state [2022-12-13 15:05:45,464 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_end [2022-12-13 15:05:45,465 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:45,465 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:05:45,470 WARN L623 FunctionHandler]: Unknown extern function add_uevent_var [2022-12-13 15:05:45,471 WARN L623 FunctionHandler]: Unknown extern function add_uevent_var [2022-12-13 15:05:45,472 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:45,472 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:45,473 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:45,473 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-12-13 15:05:45,486 WARN L623 FunctionHandler]: Unknown extern function xenbus_strstate [2022-12-13 15:05:45,486 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:05:45,487 WARN L623 FunctionHandler]: Unknown extern function xenbus_switch_state [2022-12-13 15:05:45,488 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:45,493 WARN L623 FunctionHandler]: Unknown extern function xenbus_strstate [2022-12-13 15:05:45,494 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:05:45,494 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_is_online [2022-12-13 15:05:45,495 WARN L623 FunctionHandler]: Unknown extern function device_unregister [2022-12-13 15:05:45,495 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:45,499 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:05:45,500 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-13 15:05:45,501 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-13 15:05:45,501 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:45,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:45,501 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:45,505 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:05:45,506 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-13 15:05:45,507 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:45,507 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:45,517 WARN L623 FunctionHandler]: Unknown extern function register_xenbus_watch [2022-12-13 15:05:45,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:45,517 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:45,518 WARN L623 FunctionHandler]: Unknown extern function unregister_xenbus_watch [2022-12-13 15:05:45,518 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:45,518 WARN L623 FunctionHandler]: Unknown extern function unregister_xenbus_watch [2022-12-13 15:05:45,518 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:45,523 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:05:45,523 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 15:05:45,523 WARN L623 FunctionHandler]: Unknown extern function xenbus_switch_state [2022-12-13 15:05:45,524 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:45,524 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:45,525 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:45,525 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:45,526 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-12-13 15:05:45,527 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:05:45,527 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_tx_queues [2022-12-13 15:05:45,527 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_rx_queues [2022-12-13 15:05:45,527 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:05:45,527 WARN L623 FunctionHandler]: Unknown extern function xenbus_watch_pathfmt [2022-12-13 15:05:45,528 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:05:45,529 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:45,530 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:45,530 WARN L623 FunctionHandler]: Unknown extern function xenbus_gather [2022-12-13 15:05:45,531 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:45,531 WARN L623 FunctionHandler]: Unknown extern function xenbus_gather [2022-12-13 15:05:45,531 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:45,532 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:45,532 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:45,532 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:45,533 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:45,533 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:45,534 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:45,534 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:45,535 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:45,535 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:45,536 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:45,536 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:45,537 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:45,537 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:45,537 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:45,539 WARN L623 FunctionHandler]: Unknown extern function __xenbus_register_backend [2022-12-13 15:05:45,542 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-13 15:05:45,542 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-13 15:05:45,542 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-13 15:05:45,543 WARN L623 FunctionHandler]: Unknown extern function mod_timer_pending [2022-12-13 15:05:45,610 WARN L623 FunctionHandler]: Unknown extern function __put_task_struct [2022-12-13 15:05:45,779 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 15:05:45,785 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-13 15:05:45,785 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:45,787 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:05:45,796 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 15:05:45,797 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 15:05:45,801 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:05:45,801 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:05:45,802 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-12-13 15:05:45,810 WARN L623 FunctionHandler]: Unknown extern function netif_tx_stop_all_queues [2022-12-13 15:05:45,835 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-12-13 15:05:45,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:45,837 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:05:45,837 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:05:45,838 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 15:05:45,838 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:45,839 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:05:45,840 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:05:45,840 WARN L623 FunctionHandler]: Unknown extern function gnttab_alloc_pages [2022-12-13 15:05:45,840 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:45,841 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:05:45,841 WARN L623 FunctionHandler]: Unknown extern function dev_set_mtu [2022-12-13 15:05:45,842 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-12-13 15:05:45,842 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:05:45,843 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:05:45,843 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:05:45,843 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-13 15:05:45,844 WARN L623 FunctionHandler]: Unknown extern function bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:05:45,844 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:05:45,844 WARN L623 FunctionHandler]: Unknown extern function bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:05:45,845 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:05:45,845 WARN L623 FunctionHandler]: Unknown extern function bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:05:45,845 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:05:45,846 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-13 15:05:45,846 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:45,846 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-13 15:05:45,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:45,847 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 15:05:45,847 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 15:05:45,847 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:05:45,847 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:05:45,848 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:05:45,848 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:05:45,848 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:05:45,849 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-13 15:05:45,849 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 15:05:45,849 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 15:05:45,850 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:05:45,850 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:05:45,850 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:05:45,850 WARN L623 FunctionHandler]: Unknown extern function gnttab_free_pages [2022-12-13 15:05:45,851 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:05:45,861 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-13 15:05:45,862 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:05:45,862 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:05:45,862 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:05:45,863 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 15:05:45,863 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 15:05:45,864 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 15:05:45,864 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_2 [2022-12-13 15:05:45,864 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_2 [2022-12-13 15:05:45,865 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 15:05:45,865 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 15:05:45,865 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:05:45,865 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 15:05:45,866 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:05:45,870 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_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-12-13 15:05:45,888 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:45,888 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:45,894 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:45,894 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:45,895 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:45,895 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:45,905 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:45,912 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:45,912 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:45,913 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:45,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:05:45,938 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:05:46,031 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:05:46,032 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-13 15:05:46,033 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 15:05:46,033 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 15:05:46,034 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 15:05:46,034 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 15:05:46,034 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 15:05:46,035 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-13 15:05:46,036 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-13 15:05:46,040 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-13 15:05:46,041 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-13 15:05:46,042 WARN L623 FunctionHandler]: Unknown extern function __skb_flow_dissect [2022-12-13 15:05:46,043 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-12-13 15:05:46,046 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:05:46,057 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 15:05:46,059 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-13 15:05:46,060 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb_sk [2022-12-13 15:05:46,067 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:05:46,068 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:05:46,071 WARN L623 FunctionHandler]: Unknown extern function get_phys_to_machine [2022-12-13 15:05:46,071 WARN L623 FunctionHandler]: Unknown extern function get_phys_to_machine [2022-12-13 15:05:46,074 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:05:46,098 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 15:05:46,098 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:05:46,099 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:05:46,103 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:05:46,117 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:05:46,120 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:46,122 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:05:46,124 WARN L623 FunctionHandler]: Unknown extern function gnttab_batch_copy [2022-12-13 15:05:46,133 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:05:46,133 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-12-13 15:05:46,136 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:05:46,137 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,138 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,148 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,157 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:05:46,158 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:46,162 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:05:46,163 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:46,167 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,177 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:05:46,177 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,181 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,184 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,189 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:05:46,190 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:46,195 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:05:46,196 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:46,202 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:05:46,210 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,221 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,230 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,231 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,232 WARN L623 FunctionHandler]: Unknown extern function skb_checksum_setup [2022-12-13 15:05:46,234 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,245 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:46,249 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,260 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:46,270 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:05:46,270 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:05:46,272 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:05:46,275 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 15:05:46,276 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-13 15:05:46,277 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:05:46,280 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:05:46,281 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:05:46,282 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,286 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:05:46,286 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 15:05:46,291 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:46,295 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:05:46,297 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:05:46,298 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:05:46,300 WARN L623 FunctionHandler]: Unknown extern function gnttab_unmap_refs [2022-12-13 15:05:46,301 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,305 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,311 WARN L623 FunctionHandler]: Unknown extern function gnttab_batch_copy [2022-12-13 15:05:46,311 WARN L623 FunctionHandler]: Unknown extern function gnttab_map_refs [2022-12-13 15:05:46,312 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:05:46,314 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-12-13 15:05:46,315 WARN L623 FunctionHandler]: Unknown extern function gnttab_unmap_refs [2022-12-13 15:05:46,316 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,328 WARN L623 FunctionHandler]: Unknown extern function xenbus_unmap_ring_vfree [2022-12-13 15:05:46,331 WARN L623 FunctionHandler]: Unknown extern function xenbus_unmap_ring_vfree [2022-12-13 15:05:46,335 WARN L623 FunctionHandler]: Unknown extern function xenbus_map_ring_valloc [2022-12-13 15:05:46,339 WARN L623 FunctionHandler]: Unknown extern function xenbus_map_ring_valloc [2022-12-13 15:05:46,343 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:05:46,343 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:05:46,347 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:05:46,348 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 15:05:46,349 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 15:05:46,350 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 15:05:46,350 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 15:05:46,351 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:05:46,354 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 15:05:46,355 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-12-13 15:05:46,355 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-13 15:05:46,355 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 15:05:46,356 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:05:46,357 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:05:46,357 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 15:05:46,357 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:05:46,358 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-12-13 15:05:46,358 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-13 15:05:46,359 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:46,359 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 15:05:46,360 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:46,360 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-13 15:05:46,360 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 15:05:46,362 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 15:05:46,363 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:46,364 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 15:05:46,365 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:46,365 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:46,365 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:46,366 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:46,366 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:46,366 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:46,367 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:46,367 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:46,367 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:46,372 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:05:46,373 WARN L623 FunctionHandler]: Unknown extern function simple_write_to_buffer [2022-12-13 15:05:46,373 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-13 15:05:46,374 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:46,374 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 15:05:46,375 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 15:05:46,375 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-13 15:05:46,376 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:46,376 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 15:05:46,377 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-13 15:05:46,377 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-12-13 15:05:46,377 WARN L623 FunctionHandler]: Unknown extern function xenbus_rm [2022-12-13 15:05:46,378 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:46,378 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:46,378 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:46,379 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_start [2022-12-13 15:05:46,379 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:46,379 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:05:46,379 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:05:46,380 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:05:46,380 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:05:46,380 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:05:46,380 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:05:46,381 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_end [2022-12-13 15:05:46,381 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:46,381 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:05:46,382 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:05:46,382 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:05:46,383 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:05:46,383 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:05:46,383 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:46,384 WARN L623 FunctionHandler]: Unknown extern function xenbus_switch_state [2022-12-13 15:05:46,384 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_end [2022-12-13 15:05:46,384 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:46,385 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:05:46,385 WARN L623 FunctionHandler]: Unknown extern function add_uevent_var [2022-12-13 15:05:46,385 WARN L623 FunctionHandler]: Unknown extern function add_uevent_var [2022-12-13 15:05:46,386 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:46,387 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:46,387 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:46,387 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-12-13 15:05:46,388 WARN L623 FunctionHandler]: Unknown extern function xenbus_strstate [2022-12-13 15:05:46,389 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:05:46,389 WARN L623 FunctionHandler]: Unknown extern function xenbus_switch_state [2022-12-13 15:05:46,389 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:46,391 WARN L623 FunctionHandler]: Unknown extern function xenbus_strstate [2022-12-13 15:05:46,391 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:05:46,391 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_is_online [2022-12-13 15:05:46,391 WARN L623 FunctionHandler]: Unknown extern function device_unregister [2022-12-13 15:05:46,392 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:46,392 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:05:46,393 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-13 15:05:46,393 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-13 15:05:46,393 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:46,394 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:46,394 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:46,394 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:05:46,395 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-13 15:05:46,395 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:46,396 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:46,398 WARN L623 FunctionHandler]: Unknown extern function register_xenbus_watch [2022-12-13 15:05:46,398 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:46,398 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:46,399 WARN L623 FunctionHandler]: Unknown extern function unregister_xenbus_watch [2022-12-13 15:05:46,399 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:46,399 WARN L623 FunctionHandler]: Unknown extern function unregister_xenbus_watch [2022-12-13 15:05:46,399 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:46,400 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:05:46,400 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 15:05:46,400 WARN L623 FunctionHandler]: Unknown extern function xenbus_switch_state [2022-12-13 15:05:46,400 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:46,401 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:46,401 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:46,402 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:46,402 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-12-13 15:05:46,407 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:05:46,407 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_tx_queues [2022-12-13 15:05:46,407 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_rx_queues [2022-12-13 15:05:46,407 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:05:46,407 WARN L623 FunctionHandler]: Unknown extern function xenbus_watch_pathfmt [2022-12-13 15:05:46,408 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:05:46,409 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:46,410 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:46,410 WARN L623 FunctionHandler]: Unknown extern function xenbus_gather [2022-12-13 15:05:46,411 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:46,411 WARN L623 FunctionHandler]: Unknown extern function xenbus_gather [2022-12-13 15:05:46,412 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:46,412 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:46,413 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:46,413 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:05:46,414 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:46,415 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:46,415 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:46,416 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:46,416 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:46,416 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:46,417 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:46,417 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:46,418 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:05:46,418 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:46,418 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:05:46,419 WARN L623 FunctionHandler]: Unknown extern function __xenbus_register_backend [2022-12-13 15:05:46,421 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-13 15:05:46,422 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-13 15:05:46,422 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-13 15:05:46,422 WARN L623 FunctionHandler]: Unknown extern function mod_timer_pending [2022-12-13 15:05:46,423 WARN L623 FunctionHandler]: Unknown extern function __put_task_struct [2022-12-13 15:05:46,436 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 15:05:46,437 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-13 15:05:46,437 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:46,438 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:05:46,439 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 15:05:46,439 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 15:05:46,440 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:05:46,440 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:05:46,440 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-12-13 15:05:46,441 WARN L623 FunctionHandler]: Unknown extern function netif_tx_stop_all_queues [2022-12-13 15:05:46,445 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-12-13 15:05:46,445 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:46,446 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:05:46,446 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:05:46,447 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 15:05:46,447 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:05:46,448 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:05:46,448 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:05:46,448 WARN L623 FunctionHandler]: Unknown extern function gnttab_alloc_pages [2022-12-13 15:05:46,449 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:05:46,451 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:05:46,451 WARN L623 FunctionHandler]: Unknown extern function dev_set_mtu [2022-12-13 15:05:46,451 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-12-13 15:05:46,451 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:05:46,452 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:05:46,452 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:05:46,452 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-13 15:05:46,454 WARN L623 FunctionHandler]: Unknown extern function bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:05:46,454 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:05:46,455 WARN L623 FunctionHandler]: Unknown extern function bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:05:46,455 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:05:46,455 WARN L623 FunctionHandler]: Unknown extern function bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:05:46,455 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:05:46,455 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-13 15:05:46,456 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:46,456 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-13 15:05:46,456 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:05:46,456 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 15:05:46,457 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 15:05:46,457 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:05:46,457 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:05:46,457 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:05:46,457 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:05:46,458 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:05:46,458 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-13 15:05:46,458 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 15:05:46,458 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 15:05:46,459 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:05:46,459 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:05:46,459 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:05:46,459 WARN L623 FunctionHandler]: Unknown extern function gnttab_free_pages [2022-12-13 15:05:46,460 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:05:46,461 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-13 15:05:46,462 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:05:46,462 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:05:46,462 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:05:46,463 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 15:05:46,463 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 15:05:46,463 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 15:05:46,464 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_2 [2022-12-13 15:05:46,464 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_2 [2022-12-13 15:05:46,464 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 15:05:46,464 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 15:05:46,465 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:05:46,465 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 15:05:46,465 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:05:46,465 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_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-12-13 15:05:46,467 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:46,467 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:46,468 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:46,469 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:46,469 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:46,469 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:46,470 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:46,472 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:46,473 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:46,473 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:05:46,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:05:46,589 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:05:46,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:46 WrapperNode [2022-12-13 15:05:46,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:05:46,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:05:46,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:05:46,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:05:46,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:46" (1/1) ... [2022-12-13 15:05:46,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:46" (1/1) ... [2022-12-13 15:05:46,755 INFO L138 Inliner]: procedures = 426, calls = 3460, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4523 [2022-12-13 15:05:46,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:05:46,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:05:46,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:05:46,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:05:46,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:46" (1/1) ... [2022-12-13 15:05:46,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:46" (1/1) ... [2022-12-13 15:05:46,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:46" (1/1) ... [2022-12-13 15:05:46,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:46" (1/1) ... [2022-12-13 15:05:46,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:46" (1/1) ... [2022-12-13 15:05:46,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:46" (1/1) ... [2022-12-13 15:05:46,896 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:46" (1/1) ... [2022-12-13 15:05:46,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:46" (1/1) ... [2022-12-13 15:05:46,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:05:46,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:05:46,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:05:46,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:05:46,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:46" (1/1) ... [2022-12-13 15:05:46,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:05:46,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:05:46,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:05:46,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:05:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-12-13 15:05:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-12-13 15:05:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-12-13 15:05:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2022-12-13 15:05:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2022-12-13 15:05:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-12-13 15:05:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-12-13 15:05:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 15:05:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 15:05:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2022-12-13 15:05:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2022-12-13 15:05:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-12-13 15:05:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-12-13 15:05:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2022-12-13 15:05:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2022-12-13 15:05:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 15:05:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 15:05:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2022-12-13 15:05:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2022-12-13 15:05:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2022-12-13 15:05:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2022-12-13 15:05:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-13 15:05:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-13 15:05:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2022-12-13 15:05:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2022-12-13 15:05:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 15:05:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 15:05:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2022-12-13 15:05:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2022-12-13 15:05:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-12-13 15:05:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-12-13 15:05:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 15:05:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 15:05:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 15:05:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 15:05:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2022-12-13 15:05:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2022-12-13 15:05:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 15:05:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 15:05:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2022-12-13 15:05:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2022-12-13 15:05:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:05:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-12-13 15:05:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-12-13 15:05:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 15:05:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 15:05:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 15:05:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 15:05:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 15:05:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-12-13 15:05:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-12-13 15:05:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-12-13 15:05:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-12-13 15:05:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 15:05:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 15:05:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 15:05:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2022-12-13 15:05:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2022-12-13 15:05:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:05:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 15:05:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 15:05:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2022-12-13 15:05:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2022-12-13 15:05:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-12-13 15:05:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-12-13 15:05:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2022-12-13 15:05:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2022-12-13 15:05:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2022-12-13 15:05:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2022-12-13 15:05:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-12-13 15:05:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-12-13 15:05:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 15:05:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 15:05:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2022-12-13 15:05:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2022-12-13 15:05:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 15:05:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2022-12-13 15:05:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2022-12-13 15:05:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:05:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 15:05:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2022-12-13 15:05:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2022-12-13 15:05:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-12-13 15:05:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-12-13 15:05:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-12-13 15:05:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-12-13 15:05:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2022-12-13 15:05:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2022-12-13 15:05:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-13 15:05:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-13 15:05:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-13 15:05:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-13 15:05:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:05:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:05:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 15:05:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 15:05:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 15:05:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 15:05:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2022-12-13 15:05:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2022-12-13 15:05:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 15:05:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 15:05:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-12-13 15:05:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-12-13 15:05:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2022-12-13 15:05:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2022-12-13 15:05:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-13 15:05:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-13 15:05:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:05:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:05:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2022-12-13 15:05:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2022-12-13 15:05:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-12-13 15:05:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-12-13 15:05:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-12-13 15:05:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-12-13 15:05:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-12-13 15:05:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-12-13 15:05:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2022-12-13 15:05:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2022-12-13 15:05:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-12-13 15:05:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-12-13 15:05:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 15:05:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 15:05:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 15:05:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 15:05:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 15:05:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 15:05:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-12-13 15:05:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-12-13 15:05:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-13 15:05:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-13 15:05:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2022-12-13 15:05:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2022-12-13 15:05:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2022-12-13 15:05:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2022-12-13 15:05:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-13 15:05:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-13 15:05:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:05:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-13 15:05:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-13 15:05:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2022-12-13 15:05:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2022-12-13 15:05:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 15:05:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2022-12-13 15:05:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2022-12-13 15:05:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-12-13 15:05:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-12-13 15:05:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2022-12-13 15:05:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2022-12-13 15:05:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-12-13 15:05:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-12-13 15:05:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 15:05:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 15:05:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 15:05:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-13 15:05:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-13 15:05:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 15:05:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 15:05:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-12-13 15:05:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-12-13 15:05:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 15:05:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 15:05:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2022-12-13 15:05:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2022-12-13 15:05:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-13 15:05:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-13 15:05:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 15:05:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 15:05:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:05:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 15:05:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 15:05:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-12-13 15:05:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-12-13 15:05:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2022-12-13 15:05:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2022-12-13 15:05:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-13 15:05:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-13 15:05:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-13 15:05:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-13 15:05:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-12-13 15:05:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-12-13 15:05:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-13 15:05:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-13 15:05:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-13 15:05:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-13 15:05:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-13 15:05:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-13 15:05:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:05:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2022-12-13 15:05:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2022-12-13 15:05:47,564 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:05:47,567 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:05:47,754 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 15:05:52,497 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:05:52,509 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:05:52,509 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-12-13 15:05:52,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:05:52 BoogieIcfgContainer [2022-12-13 15:05:52,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:05:52,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:05:52,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:05:52,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:05:52,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:05:43" (1/3) ... [2022-12-13 15:05:52,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9838a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:05:52, skipping insertion in model container [2022-12-13 15:05:52,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:05:46" (2/3) ... [2022-12-13 15:05:52,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9838a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:05:52, skipping insertion in model container [2022-12-13 15:05:52,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:05:52" (3/3) ... [2022-12-13 15:05:52,517 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-12-13 15:05:52,530 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:05:52,530 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 15:05:52,585 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:05:52,589 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@760e6a81, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:05:52,589 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 15:05:52,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 1303 states, 944 states have (on average 1.3230932203389831) internal successors, (1249), 970 states have internal predecessors, (1249), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) [2022-12-13 15:05:52,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 15:05:52,602 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:05:52,602 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:05:52,603 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:05:52,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:05:52,606 INFO L85 PathProgramCache]: Analyzing trace with hash -790699243, now seen corresponding path program 1 times [2022-12-13 15:05:52,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:05:52,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712425812] [2022-12-13 15:05:52,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:05:52,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:05:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:05:52,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:05:52,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712425812] [2022-12-13 15:05:52,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712425812] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:05:52,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:05:52,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:05:52,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517838759] [2022-12-13 15:05:52,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:05:53,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:05:53,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:05:53,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:05:53,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:05:53,031 INFO L87 Difference]: Start difference. First operand has 1303 states, 944 states have (on average 1.3230932203389831) internal successors, (1249), 970 states have internal predecessors, (1249), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:05:53,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:05:53,279 INFO L93 Difference]: Finished difference Result 3893 states and 5455 transitions. [2022-12-13 15:05:53,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:05:53,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-13 15:05:53,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:05:53,317 INFO L225 Difference]: With dead ends: 3893 [2022-12-13 15:05:53,318 INFO L226 Difference]: Without dead ends: 2545 [2022-12-13 15:05:53,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:05:53,350 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 1758 mSDsluCounter, 1767 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 3808 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:05:53,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1758 Valid, 3808 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:05:53,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2545 states. [2022-12-13 15:05:53,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2545 to 2542. [2022-12-13 15:05:53,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2542 states, 1845 states have (on average 1.3062330623306233) internal successors, (2410), 1879 states have internal predecessors, (2410), 526 states have call successors, (526), 171 states have call predecessors, (526), 170 states have return successors, (524), 510 states have call predecessors, (524), 524 states have call successors, (524) [2022-12-13 15:05:53,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 3460 transitions. [2022-12-13 15:05:53,466 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 3460 transitions. Word has length 19 [2022-12-13 15:05:53,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:05:53,467 INFO L495 AbstractCegarLoop]: Abstraction has 2542 states and 3460 transitions. [2022-12-13 15:05:53,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:05:53,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3460 transitions. [2022-12-13 15:05:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-12-13 15:05:53,474 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:05:53,474 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:05:53,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:05:53,475 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:05:53,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:05:53,475 INFO L85 PathProgramCache]: Analyzing trace with hash -637924985, now seen corresponding path program 1 times [2022-12-13 15:05:53,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:05:53,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054226381] [2022-12-13 15:05:53,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:05:53,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:05:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:53,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:05:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:53,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:05:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:53,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:05:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:53,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 15:05:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:53,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:05:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:53,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:05:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:53,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:05:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:53,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:05:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:53,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:05:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:53,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 15:05:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:53,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 15:05:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:53,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 15:05:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:53,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:05:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:53,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 15:05:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:53,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 15:05:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:53,934 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-13 15:05:53,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:05:53,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054226381] [2022-12-13 15:05:53,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054226381] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:05:53,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:05:53,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 15:05:53,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799164846] [2022-12-13 15:05:53,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:05:53,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 15:05:53,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:05:53,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 15:05:53,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:05:53,937 INFO L87 Difference]: Start difference. First operand 2542 states and 3460 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 15:05:56,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:05:58,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:06:00,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:06:05,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:06:11,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:06:11,379 INFO L93 Difference]: Finished difference Result 6599 states and 9068 transitions. [2022-12-13 15:06:11,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 15:06:11,380 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 106 [2022-12-13 15:06:11,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:06:11,396 INFO L225 Difference]: With dead ends: 6599 [2022-12-13 15:06:11,396 INFO L226 Difference]: Without dead ends: 4060 [2022-12-13 15:06:11,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-12-13 15:06:11,405 INFO L413 NwaCegarLoop]: 1431 mSDtfsCounter, 1352 mSDsluCounter, 4887 mSDsCounter, 0 mSdLazyCounter, 4032 mSolverCounterSat, 500 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 6318 SdHoareTripleChecker+Invalid, 4534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 500 IncrementalHoareTripleChecker+Valid, 4032 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:06:11,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 6318 Invalid, 4534 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [500 Valid, 4032 Invalid, 2 Unknown, 0 Unchecked, 17.0s Time] [2022-12-13 15:06:11,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4060 states. [2022-12-13 15:06:11,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4060 to 3538. [2022-12-13 15:06:11,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3538 states, 2588 states have (on average 1.311823802163833) internal successors, (3395), 2633 states have internal predecessors, (3395), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-12-13 15:06:11,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3538 states to 3538 states and 4797 transitions. [2022-12-13 15:06:11,544 INFO L78 Accepts]: Start accepts. Automaton has 3538 states and 4797 transitions. Word has length 106 [2022-12-13 15:06:11,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:06:11,544 INFO L495 AbstractCegarLoop]: Abstraction has 3538 states and 4797 transitions. [2022-12-13 15:06:11,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 15:06:11,544 INFO L276 IsEmpty]: Start isEmpty. Operand 3538 states and 4797 transitions. [2022-12-13 15:06:11,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-12-13 15:06:11,551 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:06:11,551 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:06:11,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:06:11,552 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:06:11,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:06:11,552 INFO L85 PathProgramCache]: Analyzing trace with hash 633420909, now seen corresponding path program 1 times [2022-12-13 15:06:11,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:06:11,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122212427] [2022-12-13 15:06:11,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:06:11,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:06:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:06:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 15:06:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 15:06:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 15:06:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:06:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 15:06:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:11,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 15:06:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:12,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:12,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 15:06:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:12,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 15:06:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:12,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 15:06:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:12,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 15:06:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:12,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 15:06:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:12,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 15:06:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:12,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 15:06:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-13 15:06:12,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:06:12,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122212427] [2022-12-13 15:06:12,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122212427] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:06:12,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:06:12,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 15:06:12,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647554873] [2022-12-13 15:06:12,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:06:12,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 15:06:12,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:06:12,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 15:06:12,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-13 15:06:12,088 INFO L87 Difference]: Start difference. First operand 3538 states and 4797 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 15:06:24,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:06:24,641 INFO L93 Difference]: Finished difference Result 7600 states and 10414 transitions. [2022-12-13 15:06:24,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 15:06:24,642 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 185 [2022-12-13 15:06:24,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:06:24,655 INFO L225 Difference]: With dead ends: 7600 [2022-12-13 15:06:24,655 INFO L226 Difference]: Without dead ends: 4059 [2022-12-13 15:06:24,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-12-13 15:06:24,664 INFO L413 NwaCegarLoop]: 1331 mSDtfsCounter, 510 mSDsluCounter, 5864 mSDsCounter, 0 mSdLazyCounter, 4312 mSolverCounterSat, 328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 7195 SdHoareTripleChecker+Invalid, 4640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 4312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:06:24,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 7195 Invalid, 4640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [328 Valid, 4312 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2022-12-13 15:06:24,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4059 states. [2022-12-13 15:06:24,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4059 to 3541. [2022-12-13 15:06:24,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3541 states, 2591 states have (on average 1.310690852952528) internal successors, (3396), 2636 states have internal predecessors, (3396), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-12-13 15:06:24,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 4798 transitions. [2022-12-13 15:06:24,812 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 4798 transitions. Word has length 185 [2022-12-13 15:06:24,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:06:24,813 INFO L495 AbstractCegarLoop]: Abstraction has 3541 states and 4798 transitions. [2022-12-13 15:06:24,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 15:06:24,813 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 4798 transitions. [2022-12-13 15:06:24,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-12-13 15:06:24,817 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:06:24,817 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:06:24,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:06:24,818 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:06:24,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:06:24,819 INFO L85 PathProgramCache]: Analyzing trace with hash -401714825, now seen corresponding path program 1 times [2022-12-13 15:06:24,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:06:24,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664742078] [2022-12-13 15:06:24,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:06:24,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:06:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:06:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 15:06:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 15:06:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:06:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 15:06:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 15:06:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 15:06:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:06:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:06:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 15:06:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 15:06:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 15:06:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 15:06:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 15:06:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:25,514 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-13 15:06:25,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:06:25,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664742078] [2022-12-13 15:06:25,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664742078] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:06:25,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:06:25,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 15:06:25,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129764296] [2022-12-13 15:06:25,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:06:25,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 15:06:25,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:06:25,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 15:06:25,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-13 15:06:25,515 INFO L87 Difference]: Start difference. First operand 3541 states and 4798 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-13 15:06:28,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:06:30,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:06:37,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:06:37,509 INFO L93 Difference]: Finished difference Result 10293 states and 14124 transitions. [2022-12-13 15:06:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 15:06:37,510 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 194 [2022-12-13 15:06:37,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:06:37,532 INFO L225 Difference]: With dead ends: 10293 [2022-12-13 15:06:37,532 INFO L226 Difference]: Without dead ends: 6755 [2022-12-13 15:06:37,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-12-13 15:06:37,542 INFO L413 NwaCegarLoop]: 1464 mSDtfsCounter, 3261 mSDsluCounter, 3892 mSDsCounter, 0 mSdLazyCounter, 4480 mSolverCounterSat, 1135 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3506 SdHoareTripleChecker+Valid, 5356 SdHoareTripleChecker+Invalid, 5616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1135 IncrementalHoareTripleChecker+Valid, 4480 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-12-13 15:06:37,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3506 Valid, 5356 Invalid, 5616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1135 Valid, 4480 Invalid, 1 Unknown, 0 Unchecked, 11.6s Time] [2022-12-13 15:06:37,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6755 states. [2022-12-13 15:06:37,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6755 to 5824. [2022-12-13 15:06:37,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5824 states, 4252 states have (on average 1.3078551269990593) internal successors, (5561), 4332 states have internal predecessors, (5561), 1158 states have call successors, (1158), 414 states have call predecessors, (1158), 413 states have return successors, (1156), 1122 states have call predecessors, (1156), 1156 states have call successors, (1156) [2022-12-13 15:06:37,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5824 states to 5824 states and 7875 transitions. [2022-12-13 15:06:37,810 INFO L78 Accepts]: Start accepts. Automaton has 5824 states and 7875 transitions. Word has length 194 [2022-12-13 15:06:37,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:06:37,811 INFO L495 AbstractCegarLoop]: Abstraction has 5824 states and 7875 transitions. [2022-12-13 15:06:37,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-13 15:06:37,811 INFO L276 IsEmpty]: Start isEmpty. Operand 5824 states and 7875 transitions. [2022-12-13 15:06:37,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-12-13 15:06:37,817 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:06:37,817 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:06:37,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:06:37,817 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:06:37,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:06:37,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1628389033, now seen corresponding path program 1 times [2022-12-13 15:06:37,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:06:37,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012337415] [2022-12-13 15:06:37,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:06:37,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:06:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:38,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:06:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:38,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:38,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 15:06:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:38,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:38,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:38,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 15:06:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:38,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:38,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:38,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:06:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 15:06:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 15:06:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 15:06:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 15:06:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 15:06:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 15:06:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 15:06:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 15:06:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 15:06:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 15:06:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 15:06:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 15:06:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 15:06:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:39,462 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-12-13 15:06:39,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:06:39,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012337415] [2022-12-13 15:06:39,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012337415] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:06:39,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:06:39,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-12-13 15:06:39,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574355539] [2022-12-13 15:06:39,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:06:39,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-13 15:06:39,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:06:39,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 15:06:39,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-12-13 15:06:39,464 INFO L87 Difference]: Start difference. First operand 5824 states and 7875 transitions. Second operand has 16 states, 16 states have (on average 7.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (22), 5 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 15:06:48,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:06:48,368 INFO L93 Difference]: Finished difference Result 14343 states and 20068 transitions. [2022-12-13 15:06:48,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 15:06:48,369 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (22), 5 states have call predecessors, (22), 2 states have call successors, (22) Word has length 225 [2022-12-13 15:06:48,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:06:48,394 INFO L225 Difference]: With dead ends: 14343 [2022-12-13 15:06:48,394 INFO L226 Difference]: Without dead ends: 8522 [2022-12-13 15:06:48,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2022-12-13 15:06:48,408 INFO L413 NwaCegarLoop]: 1801 mSDtfsCounter, 2500 mSDsluCounter, 14432 mSDsCounter, 0 mSdLazyCounter, 7161 mSolverCounterSat, 1722 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2644 SdHoareTripleChecker+Valid, 16233 SdHoareTripleChecker+Invalid, 8883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1722 IncrementalHoareTripleChecker+Valid, 7161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:06:48,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2644 Valid, 16233 Invalid, 8883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1722 Valid, 7161 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-12-13 15:06:48,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8522 states. [2022-12-13 15:06:48,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8522 to 5846. [2022-12-13 15:06:48,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5846 states, 4268 states have (on average 1.306701030927835) internal successors, (5577), 4348 states have internal predecessors, (5577), 1158 states have call successors, (1158), 414 states have call predecessors, (1158), 419 states have return successors, (1180), 1128 states have call predecessors, (1180), 1156 states have call successors, (1180) [2022-12-13 15:06:48,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5846 states to 5846 states and 7915 transitions. [2022-12-13 15:06:48,706 INFO L78 Accepts]: Start accepts. Automaton has 5846 states and 7915 transitions. Word has length 225 [2022-12-13 15:06:48,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:06:48,707 INFO L495 AbstractCegarLoop]: Abstraction has 5846 states and 7915 transitions. [2022-12-13 15:06:48,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (22), 5 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 15:06:48,707 INFO L276 IsEmpty]: Start isEmpty. Operand 5846 states and 7915 transitions. [2022-12-13 15:06:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-12-13 15:06:48,712 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:06:48,713 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:06:48,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 15:06:48,713 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:06:48,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:06:48,713 INFO L85 PathProgramCache]: Analyzing trace with hash -341507483, now seen corresponding path program 1 times [2022-12-13 15:06:48,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:06:48,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237028817] [2022-12-13 15:06:48,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:06:48,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:06:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:06:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 15:06:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 15:06:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:06:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 15:06:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 15:06:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:06:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 15:06:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 15:06:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:06:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:06:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:06:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:06:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 15:06:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 15:06:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 15:06:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 15:06:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 15:06:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 15:06:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:49,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 15:06:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:50,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 15:06:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:50,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 15:06:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:06:50,011 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-12-13 15:06:50,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:06:50,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237028817] [2022-12-13 15:06:50,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237028817] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:06:50,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:06:50,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 15:06:50,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99082228] [2022-12-13 15:06:50,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:06:50,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 15:06:50,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:06:50,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 15:06:50,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-12-13 15:06:50,013 INFO L87 Difference]: Start difference. First operand 5846 states and 7915 transitions. Second operand has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-12-13 15:06:53,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:07:00,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:07:00,808 INFO L93 Difference]: Finished difference Result 14365 states and 20106 transitions. [2022-12-13 15:07:00,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 15:07:00,809 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 245 [2022-12-13 15:07:00,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:07:00,833 INFO L225 Difference]: With dead ends: 14365 [2022-12-13 15:07:00,833 INFO L226 Difference]: Without dead ends: 8522 [2022-12-13 15:07:00,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-13 15:07:00,847 INFO L413 NwaCegarLoop]: 1812 mSDtfsCounter, 1735 mSDsluCounter, 9286 mSDsCounter, 0 mSdLazyCounter, 4981 mSolverCounterSat, 1000 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1882 SdHoareTripleChecker+Valid, 11098 SdHoareTripleChecker+Invalid, 5982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1000 IncrementalHoareTripleChecker+Valid, 4981 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:07:00,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1882 Valid, 11098 Invalid, 5982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1000 Valid, 4981 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2022-12-13 15:07:00,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8522 states. [2022-12-13 15:07:01,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8522 to 5846. [2022-12-13 15:07:01,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5846 states, 4268 states have (on average 1.306232427366448) internal successors, (5575), 4348 states have internal predecessors, (5575), 1158 states have call successors, (1158), 414 states have call predecessors, (1158), 419 states have return successors, (1180), 1128 states have call predecessors, (1180), 1156 states have call successors, (1180) [2022-12-13 15:07:01,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5846 states to 5846 states and 7913 transitions. [2022-12-13 15:07:01,138 INFO L78 Accepts]: Start accepts. Automaton has 5846 states and 7913 transitions. Word has length 245 [2022-12-13 15:07:01,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:07:01,138 INFO L495 AbstractCegarLoop]: Abstraction has 5846 states and 7913 transitions. [2022-12-13 15:07:01,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-12-13 15:07:01,139 INFO L276 IsEmpty]: Start isEmpty. Operand 5846 states and 7913 transitions. [2022-12-13 15:07:01,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-12-13 15:07:01,145 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:07:01,145 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:07:01,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 15:07:01,145 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:07:01,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:07:01,145 INFO L85 PathProgramCache]: Analyzing trace with hash 534511523, now seen corresponding path program 1 times [2022-12-13 15:07:01,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:07:01,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387161284] [2022-12-13 15:07:01,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:07:01,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:07:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:07:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 15:07:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 15:07:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:07:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 15:07:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 15:07:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 15:07:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 15:07:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:07:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:07:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:07:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 15:07:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 15:07:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:01,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 15:07:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:02,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 15:07:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:02,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 15:07:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:02,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 15:07:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:02,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 15:07:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:02,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 15:07:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:02,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 15:07:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:02,068 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-12-13 15:07:02,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:07:02,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387161284] [2022-12-13 15:07:02,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387161284] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:07:02,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:07:02,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 15:07:02,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792201997] [2022-12-13 15:07:02,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:07:02,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 15:07:02,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:07:02,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 15:07:02,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-12-13 15:07:02,069 INFO L87 Difference]: Start difference. First operand 5846 states and 7913 transitions. Second operand has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-12-13 15:07:07,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:07:07,875 INFO L93 Difference]: Finished difference Result 12637 states and 17301 transitions. [2022-12-13 15:07:07,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 15:07:07,875 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 245 [2022-12-13 15:07:07,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:07:07,894 INFO L225 Difference]: With dead ends: 12637 [2022-12-13 15:07:07,894 INFO L226 Difference]: Without dead ends: 6794 [2022-12-13 15:07:07,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2022-12-13 15:07:07,907 INFO L413 NwaCegarLoop]: 1310 mSDtfsCounter, 1052 mSDsluCounter, 6150 mSDsCounter, 0 mSdLazyCounter, 3993 mSolverCounterSat, 713 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 7460 SdHoareTripleChecker+Invalid, 4706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 713 IncrementalHoareTripleChecker+Valid, 3993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:07:07,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 7460 Invalid, 4706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [713 Valid, 3993 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-12-13 15:07:07,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6794 states. [2022-12-13 15:07:08,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6794 to 5894. [2022-12-13 15:07:08,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5894 states, 4298 states have (on average 1.3054909260120986) internal successors, (5611), 4384 states have internal predecessors, (5611), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1192), 1134 states have call predecessors, (1192), 1162 states have call successors, (1192) [2022-12-13 15:07:08,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5894 states to 5894 states and 7967 transitions. [2022-12-13 15:07:08,189 INFO L78 Accepts]: Start accepts. Automaton has 5894 states and 7967 transitions. Word has length 245 [2022-12-13 15:07:08,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:07:08,190 INFO L495 AbstractCegarLoop]: Abstraction has 5894 states and 7967 transitions. [2022-12-13 15:07:08,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-12-13 15:07:08,190 INFO L276 IsEmpty]: Start isEmpty. Operand 5894 states and 7967 transitions. [2022-12-13 15:07:08,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-12-13 15:07:08,197 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:07:08,198 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:07:08,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 15:07:08,198 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:07:08,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:07:08,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1868696104, now seen corresponding path program 1 times [2022-12-13 15:07:08,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:07:08,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907884409] [2022-12-13 15:07:08,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:07:08,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:07:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:07:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 15:07:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 15:07:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:07:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 15:07:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 15:07:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 15:07:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:08,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:07:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:07:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:07:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:07:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 15:07:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 15:07:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 15:07:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 15:07:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 15:07:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 15:07:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 15:07:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 15:07:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 15:07:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-12-13 15:07:09,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:07:09,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907884409] [2022-12-13 15:07:09,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907884409] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:07:09,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90042257] [2022-12-13 15:07:09,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:07:09,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:07:09,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:07:09,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:07:09,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 15:07:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:09,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 3887 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 15:07:09,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:07:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-12-13 15:07:10,025 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:07:10,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90042257] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:07:10,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:07:10,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2022-12-13 15:07:10,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617453080] [2022-12-13 15:07:10,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:07:10,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:07:10,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:07:10,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:07:10,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-12-13 15:07:10,026 INFO L87 Difference]: Start difference. First operand 5894 states and 7967 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-12-13 15:07:10,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:07:10,396 INFO L93 Difference]: Finished difference Result 11816 states and 15971 transitions. [2022-12-13 15:07:10,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 15:07:10,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 246 [2022-12-13 15:07:10,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:07:10,413 INFO L225 Difference]: With dead ends: 11816 [2022-12-13 15:07:10,413 INFO L226 Difference]: Without dead ends: 5910 [2022-12-13 15:07:10,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-12-13 15:07:10,429 INFO L413 NwaCegarLoop]: 1741 mSDtfsCounter, 22 mSDsluCounter, 5210 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 6951 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:07:10,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 6951 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 15:07:10,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5910 states. [2022-12-13 15:07:10,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5910 to 5885. [2022-12-13 15:07:10,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5885 states, 4289 states have (on average 1.3042667288412217) internal successors, (5594), 4375 states have internal predecessors, (5594), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1192), 1134 states have call predecessors, (1192), 1162 states have call successors, (1192) [2022-12-13 15:07:10,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5885 states to 5885 states and 7950 transitions. [2022-12-13 15:07:10,669 INFO L78 Accepts]: Start accepts. Automaton has 5885 states and 7950 transitions. Word has length 246 [2022-12-13 15:07:10,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:07:10,669 INFO L495 AbstractCegarLoop]: Abstraction has 5885 states and 7950 transitions. [2022-12-13 15:07:10,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-12-13 15:07:10,669 INFO L276 IsEmpty]: Start isEmpty. Operand 5885 states and 7950 transitions. [2022-12-13 15:07:10,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-12-13 15:07:10,675 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:07:10,676 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:07:10,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:07:10,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:07:10,877 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:07:10,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:07:10,877 INFO L85 PathProgramCache]: Analyzing trace with hash 419858890, now seen corresponding path program 1 times [2022-12-13 15:07:10,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:07:10,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446395759] [2022-12-13 15:07:10,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:07:10,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:07:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 15:07:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 15:07:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 15:07:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:07:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 15:07:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:07:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:07:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 15:07:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 15:07:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 15:07:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:07:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:07:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:07:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 15:07:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 15:07:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 15:07:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 15:07:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 15:07:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 15:07:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-12-13 15:07:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 15:07:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 15:07:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:11,805 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-12-13 15:07:11,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:07:11,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446395759] [2022-12-13 15:07:11,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446395759] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:07:11,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:07:11,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-13 15:07:11,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848191697] [2022-12-13 15:07:11,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:07:11,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 15:07:11,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:07:11,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 15:07:11,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-12-13 15:07:11,807 INFO L87 Difference]: Start difference. First operand 5885 states and 7950 transitions. Second operand has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 7 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 15:07:15,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:07:17,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:07:21,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:07:22,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:07:31,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:07:31,139 INFO L93 Difference]: Finished difference Result 15264 states and 21218 transitions. [2022-12-13 15:07:31,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 15:07:31,140 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 7 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 266 [2022-12-13 15:07:31,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:07:31,168 INFO L225 Difference]: With dead ends: 15264 [2022-12-13 15:07:31,169 INFO L226 Difference]: Without dead ends: 9382 [2022-12-13 15:07:31,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2022-12-13 15:07:31,185 INFO L413 NwaCegarLoop]: 1930 mSDtfsCounter, 1979 mSDsluCounter, 13537 mSDsCounter, 0 mSdLazyCounter, 7907 mSolverCounterSat, 615 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2213 SdHoareTripleChecker+Valid, 15467 SdHoareTripleChecker+Invalid, 8523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 615 IncrementalHoareTripleChecker+Valid, 7907 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2022-12-13 15:07:31,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2213 Valid, 15467 Invalid, 8523 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [615 Valid, 7907 Invalid, 1 Unknown, 0 Unchecked, 18.6s Time] [2022-12-13 15:07:31,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9382 states. [2022-12-13 15:07:31,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9382 to 6530. [2022-12-13 15:07:31,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6530 states, 4762 states have (on average 1.3000839983200336) internal successors, (6191), 4853 states have internal predecessors, (6191), 1265 states have call successors, (1265), 484 states have call predecessors, (1265), 502 states have return successors, (1300), 1241 states have call predecessors, (1300), 1263 states have call successors, (1300) [2022-12-13 15:07:31,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6530 states to 6530 states and 8756 transitions. [2022-12-13 15:07:31,557 INFO L78 Accepts]: Start accepts. Automaton has 6530 states and 8756 transitions. Word has length 266 [2022-12-13 15:07:31,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:07:31,557 INFO L495 AbstractCegarLoop]: Abstraction has 6530 states and 8756 transitions. [2022-12-13 15:07:31,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 7 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 15:07:31,558 INFO L276 IsEmpty]: Start isEmpty. Operand 6530 states and 8756 transitions. [2022-12-13 15:07:31,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-12-13 15:07:31,565 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:07:31,565 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:07:31,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 15:07:31,565 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:07:31,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:07:31,566 INFO L85 PathProgramCache]: Analyzing trace with hash -804545117, now seen corresponding path program 1 times [2022-12-13 15:07:31,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:07:31,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228774825] [2022-12-13 15:07:31,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:07:31,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:07:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 15:07:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 15:07:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:07:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 15:07:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 15:07:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:07:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 15:07:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 15:07:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 15:07:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 15:07:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 15:07:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:07:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:07:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:07:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-12-13 15:07:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 15:07:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 15:07:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 15:07:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-12-13 15:07:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 15:07:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-12-13 15:07:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 15:07:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-12-13 15:07:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:32,608 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-12-13 15:07:32,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:07:32,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228774825] [2022-12-13 15:07:32,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228774825] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:07:32,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179921081] [2022-12-13 15:07:32,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:07:32,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:07:32,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:07:32,610 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:07:32,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 15:07:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:33,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 4010 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-13 15:07:33,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:07:33,970 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-12-13 15:07:33,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:07:34,219 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-12-13 15:07:34,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179921081] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:07:34,219 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:07:34,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 19 [2022-12-13 15:07:34,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537226195] [2022-12-13 15:07:34,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:07:34,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-13 15:07:34,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:07:34,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-13 15:07:34,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-12-13 15:07:34,221 INFO L87 Difference]: Start difference. First operand 6530 states and 8756 transitions. Second operand has 19 states, 17 states have (on average 11.647058823529411) internal successors, (198), 13 states have internal predecessors, (198), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-12-13 15:07:44,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:07:44,460 INFO L93 Difference]: Finished difference Result 14088 states and 19109 transitions. [2022-12-13 15:07:44,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 15:07:44,461 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 11.647058823529411) internal successors, (198), 13 states have internal predecessors, (198), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 272 [2022-12-13 15:07:44,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:07:44,484 INFO L225 Difference]: With dead ends: 14088 [2022-12-13 15:07:44,484 INFO L226 Difference]: Without dead ends: 7470 [2022-12-13 15:07:44,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 609 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=183, Invalid=747, Unknown=0, NotChecked=0, Total=930 [2022-12-13 15:07:44,500 INFO L413 NwaCegarLoop]: 1302 mSDtfsCounter, 1814 mSDsluCounter, 11761 mSDsCounter, 0 mSdLazyCounter, 7289 mSolverCounterSat, 1401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1874 SdHoareTripleChecker+Valid, 13063 SdHoareTripleChecker+Invalid, 8690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1401 IncrementalHoareTripleChecker+Valid, 7289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:07:44,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1874 Valid, 13063 Invalid, 8690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1401 Valid, 7289 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2022-12-13 15:07:44,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7470 states. [2022-12-13 15:07:44,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7470 to 6523. [2022-12-13 15:07:44,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6523 states, 4762 states have (on average 1.2986140277194456) internal successors, (6184), 4846 states have internal predecessors, (6184), 1265 states have call successors, (1265), 484 states have call predecessors, (1265), 495 states have return successors, (1293), 1241 states have call predecessors, (1293), 1263 states have call successors, (1293) [2022-12-13 15:07:44,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6523 states to 6523 states and 8742 transitions. [2022-12-13 15:07:44,851 INFO L78 Accepts]: Start accepts. Automaton has 6523 states and 8742 transitions. Word has length 272 [2022-12-13 15:07:44,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:07:44,852 INFO L495 AbstractCegarLoop]: Abstraction has 6523 states and 8742 transitions. [2022-12-13 15:07:44,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 11.647058823529411) internal successors, (198), 13 states have internal predecessors, (198), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-12-13 15:07:44,852 INFO L276 IsEmpty]: Start isEmpty. Operand 6523 states and 8742 transitions. [2022-12-13 15:07:44,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-12-13 15:07:44,858 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:07:44,858 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:07:44,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 15:07:45,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 15:07:45,059 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:07:45,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:07:45,060 INFO L85 PathProgramCache]: Analyzing trace with hash -429778984, now seen corresponding path program 2 times [2022-12-13 15:07:45,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:07:45,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675870513] [2022-12-13 15:07:45,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:07:45,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:07:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 15:07:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 15:07:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:07:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 15:07:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 15:07:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:07:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 15:07:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 15:07:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 15:07:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:07:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 15:07:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 15:07:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:07:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:07:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:07:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:07:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 15:07:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 15:07:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 15:07:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:45,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 15:07:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:46,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 15:07:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:46,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-12-13 15:07:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:46,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-12-13 15:07:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:46,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 15:07:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:46,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-12-13 15:07:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:07:46,027 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-12-13 15:07:46,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:07:46,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675870513] [2022-12-13 15:07:46,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675870513] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:07:46,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190650360] [2022-12-13 15:07:46,027 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 15:07:46,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:07:46,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:07:46,028 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:07:46,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 15:07:49,319 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 15:07:49,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 15:07:49,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 4025 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 15:07:49,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:07:49,420 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 52 proven. 3 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-12-13 15:07:49,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:07:49,724 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-12-13 15:07:49,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190650360] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:07:49,724 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:07:49,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 22 [2022-12-13 15:07:49,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610776532] [2022-12-13 15:07:49,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:07:49,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-12-13 15:07:49,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:07:49,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-12-13 15:07:49,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2022-12-13 15:07:49,728 INFO L87 Difference]: Start difference. First operand 6523 states and 8742 transitions. Second operand has 22 states, 20 states have (on average 10.05) internal successors, (201), 16 states have internal predecessors, (201), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-12-13 15:07:54,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:08:02,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:08:02,868 INFO L93 Difference]: Finished difference Result 14067 states and 19055 transitions. [2022-12-13 15:08:02,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 15:08:02,869 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 10.05) internal successors, (201), 16 states have internal predecessors, (201), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 273 [2022-12-13 15:08:02,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:08:02,884 INFO L225 Difference]: With dead ends: 14067 [2022-12-13 15:08:02,884 INFO L226 Difference]: Without dead ends: 7491 [2022-12-13 15:08:02,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 609 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=224, Invalid=1182, Unknown=0, NotChecked=0, Total=1406 [2022-12-13 15:08:02,895 INFO L413 NwaCegarLoop]: 1298 mSDtfsCounter, 985 mSDsluCounter, 12468 mSDsCounter, 0 mSdLazyCounter, 7790 mSolverCounterSat, 703 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 13766 SdHoareTripleChecker+Invalid, 8494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 703 IncrementalHoareTripleChecker+Valid, 7790 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:08:02,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 13766 Invalid, 8494 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [703 Valid, 7790 Invalid, 1 Unknown, 0 Unchecked, 12.2s Time] [2022-12-13 15:08:02,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7491 states. [2022-12-13 15:08:03,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7491 to 6544. [2022-12-13 15:08:03,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6544 states, 4781 states have (on average 1.2978456389876596) internal successors, (6205), 4865 states have internal predecessors, (6205), 1265 states have call successors, (1265), 486 states have call predecessors, (1265), 497 states have return successors, (1293), 1241 states have call predecessors, (1293), 1263 states have call successors, (1293) [2022-12-13 15:08:03,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6544 states to 6544 states and 8763 transitions. [2022-12-13 15:08:03,241 INFO L78 Accepts]: Start accepts. Automaton has 6544 states and 8763 transitions. Word has length 273 [2022-12-13 15:08:03,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:08:03,241 INFO L495 AbstractCegarLoop]: Abstraction has 6544 states and 8763 transitions. [2022-12-13 15:08:03,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 10.05) internal successors, (201), 16 states have internal predecessors, (201), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-12-13 15:08:03,241 INFO L276 IsEmpty]: Start isEmpty. Operand 6544 states and 8763 transitions. [2022-12-13 15:08:03,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-12-13 15:08:03,247 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:08:03,248 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:08:03,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 15:08:03,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 15:08:03,448 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:08:03,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:08:03,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1696930749, now seen corresponding path program 3 times [2022-12-13 15:08:03,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:08:03,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536351798] [2022-12-13 15:08:03,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:08:03,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:08:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 15:08:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:08:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 15:08:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 15:08:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 15:08:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:08:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:08:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 15:08:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:08:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:08:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:08:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:08:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:08:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 15:08:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:08:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:08:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 15:08:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:08:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:08:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 15:08:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:08:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:08:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 15:08:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:08:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 15:08:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:08:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:08:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:08:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:08:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:08:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:08:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 15:08:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 15:08:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 15:08:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 15:08:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 15:08:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 15:08:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-12-13 15:08:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-12-13 15:08:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 15:08:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:08:04,458 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-12-13 15:08:04,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:08:04,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536351798] [2022-12-13 15:08:04,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536351798] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:08:04,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378327139] [2022-12-13 15:08:04,459 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 15:08:04,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:08:04,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:08:04,460 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:08:04,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 15:08:17,279 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-13 15:08:17,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 15:08:17,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 4040 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 15:08:17,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:08:17,517 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 52 proven. 6 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-12-13 15:08:17,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:08:18,004 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-12-13 15:08:18,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378327139] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:08:18,005 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:08:18,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 25 [2022-12-13 15:08:18,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629639208] [2022-12-13 15:08:18,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:08:18,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-13 15:08:18,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:08:18,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-13 15:08:18,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2022-12-13 15:08:18,008 INFO L87 Difference]: Start difference. First operand 6544 states and 8763 transitions. Second operand has 25 states, 23 states have (on average 8.869565217391305) internal successors, (204), 19 states have internal predecessors, (204), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-12-13 15:08:23,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:08:34,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:08:34,203 INFO L93 Difference]: Finished difference Result 14101 states and 19087 transitions. [2022-12-13 15:08:34,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 15:08:34,204 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 8.869565217391305) internal successors, (204), 19 states have internal predecessors, (204), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 274 [2022-12-13 15:08:34,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:08:34,217 INFO L225 Difference]: With dead ends: 14101 [2022-12-13 15:08:34,217 INFO L226 Difference]: Without dead ends: 7500 [2022-12-13 15:08:34,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 608 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=193, Invalid=1213, Unknown=0, NotChecked=0, Total=1406 [2022-12-13 15:08:34,228 INFO L413 NwaCegarLoop]: 1301 mSDtfsCounter, 1386 mSDsluCounter, 18068 mSDsCounter, 0 mSdLazyCounter, 11070 mSolverCounterSat, 1040 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1446 SdHoareTripleChecker+Valid, 19369 SdHoareTripleChecker+Invalid, 12110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1040 IncrementalHoareTripleChecker+Valid, 11070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:08:34,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1446 Valid, 19369 Invalid, 12110 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1040 Valid, 11070 Invalid, 0 Unknown, 0 Unchecked, 15.2s Time] [2022-12-13 15:08:34,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7500 states. [2022-12-13 15:08:34,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7500 to 6553. [2022-12-13 15:08:34,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6553 states, 4790 states have (on average 1.297286012526096) internal successors, (6214), 4874 states have internal predecessors, (6214), 1265 states have call successors, (1265), 486 states have call predecessors, (1265), 497 states have return successors, (1293), 1241 states have call predecessors, (1293), 1263 states have call successors, (1293) [2022-12-13 15:08:34,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6553 states to 6553 states and 8772 transitions. [2022-12-13 15:08:34,569 INFO L78 Accepts]: Start accepts. Automaton has 6553 states and 8772 transitions. Word has length 274 [2022-12-13 15:08:34,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:08:34,569 INFO L495 AbstractCegarLoop]: Abstraction has 6553 states and 8772 transitions. [2022-12-13 15:08:34,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 8.869565217391305) internal successors, (204), 19 states have internal predecessors, (204), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-12-13 15:08:34,569 INFO L276 IsEmpty]: Start isEmpty. Operand 6553 states and 8772 transitions. [2022-12-13 15:08:34,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-12-13 15:08:34,574 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:08:34,574 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:08:34,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 15:08:34,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 15:08:34,776 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:08:34,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:08:34,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1971037496, now seen corresponding path program 4 times [2022-12-13 15:08:34,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:08:34,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831503666] [2022-12-13 15:08:34,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:08:34,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:08:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:08:38,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:08:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:08:40,589 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:08:40,589 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 15:08:40,590 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 15:08:40,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 15:08:40,593 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:08:40,596 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:08:40,635 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-12-13 15:08:40,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:08:40 BoogieIcfgContainer [2022-12-13 15:08:40,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:08:40,747 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:08:40,747 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:08:40,748 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:08:40,748 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:05:52" (3/4) ... [2022-12-13 15:08:40,750 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 15:08:40,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:08:40,751 INFO L158 Benchmark]: Toolchain (without parser) took 177262.26ms. Allocated memory was 127.9MB in the beginning and 763.4MB in the end (delta: 635.4MB). Free memory was 77.7MB in the beginning and 217.0MB in the end (delta: -139.3MB). Peak memory consumption was 498.2MB. Max. memory is 16.1GB. [2022-12-13 15:08:40,751 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:08:40,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3100.62ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 77.7MB in the beginning and 79.4MB in the end (delta: -1.7MB). Peak memory consumption was 94.7MB. Max. memory is 16.1GB. [2022-12-13 15:08:40,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 165.59ms. Allocated memory is still 188.7MB. Free memory was 79.4MB in the beginning and 52.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 15:08:40,751 INFO L158 Benchmark]: Boogie Preprocessor took 183.78ms. Allocated memory is still 188.7MB. Free memory was 51.1MB in the beginning and 71.7MB in the end (delta: -20.6MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2022-12-13 15:08:40,751 INFO L158 Benchmark]: RCFGBuilder took 5570.65ms. Allocated memory was 188.7MB in the beginning and 494.9MB in the end (delta: 306.2MB). Free memory was 71.7MB in the beginning and 364.8MB in the end (delta: -293.1MB). Peak memory consumption was 284.0MB. Max. memory is 16.1GB. [2022-12-13 15:08:40,752 INFO L158 Benchmark]: TraceAbstraction took 168234.01ms. Allocated memory was 494.9MB in the beginning and 763.4MB in the end (delta: 268.4MB). Free memory was 364.8MB in the beginning and 217.0MB in the end (delta: 147.9MB). Peak memory consumption was 482.4MB. Max. memory is 16.1GB. [2022-12-13 15:08:40,752 INFO L158 Benchmark]: Witness Printer took 2.82ms. Allocated memory is still 763.4MB. Free memory is still 217.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:08:40,753 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3100.62ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 77.7MB in the beginning and 79.4MB in the end (delta: -1.7MB). Peak memory consumption was 94.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 165.59ms. Allocated memory is still 188.7MB. Free memory was 79.4MB in the beginning and 52.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 183.78ms. Allocated memory is still 188.7MB. Free memory was 51.1MB in the beginning and 71.7MB in the end (delta: -20.6MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * RCFGBuilder took 5570.65ms. Allocated memory was 188.7MB in the beginning and 494.9MB in the end (delta: 306.2MB). Free memory was 71.7MB in the beginning and 364.8MB in the end (delta: -293.1MB). Peak memory consumption was 284.0MB. Max. memory is 16.1GB. * TraceAbstraction took 168234.01ms. Allocated memory was 494.9MB in the beginning and 763.4MB in the end (delta: 268.4MB). Free memory was 364.8MB in the beginning and 217.0MB in the end (delta: 147.9MB). Peak memory consumption was 482.4MB. Max. memory is 16.1GB. * Witness Printer took 2.82ms. Allocated memory is still 763.4MB. Free memory is still 217.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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 - UnprovableResult [Line: 13209]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 10779, overapproximation of bitwiseOr at line 10305, overapproximation of bitwiseAnd at line 10785. Possible FailurePath: [L6776] int LDV_IN_INTERRUPT = 1; [L6777] struct file *xenvif_dbg_io_ring_ops_fops_group2 ; [L6778] struct net_device *xenvif_netdev_ops_group1 ; [L6779] struct inode *xenvif_dbg_io_ring_ops_fops_group1 ; [L6780] struct xenbus_device *netback_driver_group0 ; [L6781] int ldv_state_variable_0 ; [L6782] int ldv_state_variable_5 ; [L6783] int ldv_state_variable_3 ; [L6784] struct net_device *xenvif_ethtool_ops_group0 ; [L6785] int ldv_timer_state_1 = 0; [L6786] int ldv_state_variable_2 ; [L6787] int ref_cnt ; [L6788] int ldv_state_variable_1 ; [L6789] struct timer_list *ldv_timer_list_1 ; [L6790] int ldv_state_variable_4 ; [L7425] unsigned int xenvif_max_queues ; [L7497] bool separate_tx_rx_irq = 1; [L7498] unsigned int rx_drain_timeout_msecs = 10000U; [L7499] unsigned int rx_stall_timeout_msecs = 60000U; [L7500] static unsigned int fatal_skb_slots = 20U; [L10142] int ldv_retval_1 ; [L10411] struct dentry *xen_netback_dbg_root = (struct dentry *)0; [L10523-L10526] static struct file_operations const xenvif_dbg_io_ring_ops_fops = {& __this_module, & seq_lseek, & seq_read, & xenvif_write_io_ring, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_dump_open, 0, & single_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L11582-L11583] static struct xenbus_device_id const netback_ids[2U] = { {{'v', 'i', 'f', '\000'}}, {{'\000'}}}; [L11584-L11587] static struct xenbus_driver netback_driver = {0, (struct xenbus_device_id const *)(& netback_ids), & netback_probe, & frontend_changed, & netback_remove, 0, 0, & netback_uevent, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, 0}; [L11602] int ldv_retval_0 ; [L11603] int ldv_retval_4 ; [L12362-L12371] static struct xenvif_stat const xenvif_stats[5U] = { {{'r', 'x', '_', 'g', 's', 'o', '_', 'c', 'h', 'e', 'c', 'k', 's', 'u', 'm', '_', 'f', 'i', 'x', 'u', 'p', '\000'}, 16U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 's', 'e', 'n', 't', '\000'}, 24U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 's', 'u', 'c', 'c', 'e', 's', 's', '\000'}, 32U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 'f', 'a', 'i', 'l', '\000'}, 40U}, {{'t', 'x', '_', 'f', 'r', 'a', 'g', '_', 'o', 'v', 'e', 'r', 'f', 'l', 'o', 'w', '\000'}, 48U}}; [L12445-L12448] static struct ethtool_ops const xenvif_ethtool_ops = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & ethtool_op_get_link, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_get_strings, 0, & xenvif_get_ethtool_stats, 0, 0, 0, 0, & xenvif_get_sset_count, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12449-L12454] static struct net_device_ops const xenvif_netdev_ops = {0, 0, & xenvif_open, & xenvif_close, (netdev_tx_t (*)(struct sk_buff * , struct net_device * ))(& xenvif_start_xmit), 0, 0, 0, & eth_mac_addr, & eth_validate_addr, 0, 0, & xenvif_change_mtu, 0, 0, 0, & xenvif_get_stats, 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, & xenvif_fix_features, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12856] int ldv_retval_3 ; [L12857] int ldv_retval_2 ; [L13248] int ldv_module_refcounter = 1; VAL [__this_module={249:-248}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=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_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10151] int tmp ; [L10152] int tmp___0 ; [L10154] FCALL ldv_initialize() [L10155] ldv_state_variable_4 = 0 [L10156] ldv_state_variable_1 = 1 [L10157] ref_cnt = 0 [L10158] ldv_state_variable_0 = 1 [L10159] ldv_state_variable_3 = 0 [L10160] ldv_state_variable_2 = 0 [L10161] ldv_state_variable_5 = 0 VAL [__this_module={249:-248}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: [L10171] case 1: [L10173] case 2: VAL [__this_module={249:-248}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10174] COND TRUE ldv_state_variable_0 != 0 [L10175] tmp___0 = __VERIFIER_nondet_int() [L10177] case 0: [L10185] case 1: VAL [__this_module={249:-248}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, tmp___0=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10186] COND TRUE ldv_state_variable_0 == 1 [L10187] CALL, EXPR netback_init() [L10090] int rc ; [L10091] long tmp ; [L10092] bool tmp___0 ; [L10094] rc = 0 VAL [__this_module={249:-248}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10095] COND FALSE !((unsigned int )xen_domain_type == 0U) [L10099] CALL, EXPR cpumask_weight(cpu_online_mask) [L6561] int tmp ; [L6563] CALL, EXPR bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6551] int tmp___0 ; [L6553] CALL, EXPR __bitmap_weight(src, nbits) [L13332] return __VERIFIER_nondet_int(); [L6553] RET, EXPR __bitmap_weight(src, nbits) [L6553] tmp___0 = __bitmap_weight(src, nbits) [L6554] return (tmp___0); VAL [\old(nbits)=15, \result=238, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, nbits=15, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, src={36893488147419103250:36893488147419103256}, src={36893488147419103250:36893488147419103256}, tmp___0=238, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6563] RET, EXPR bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6563] tmp = bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6564] return ((unsigned int )tmp); VAL [\result=238, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, srcp={36893488147419103250:36893488147419103256}, srcp={36893488147419103250:36893488147419103256}, tmp=238, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10099] RET, EXPR cpumask_weight(cpu_online_mask) [L10099] xenvif_max_queues = cpumask_weight(cpu_online_mask) [L10100] COND FALSE !(fatal_skb_slots <= 17U) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10106] CALL, EXPR xenvif_xenbus_init() [L11590] int tmp ; [L11592] CALL, EXPR __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L13376] return __VERIFIER_nondet_int(); [L11592] RET, EXPR __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L11592] tmp = __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L11593] return (tmp); VAL [\result=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10106] RET, EXPR xenvif_xenbus_init() [L10106] rc = xenvif_xenbus_init() [L10107] COND FALSE !(rc != 0) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10111] CALL, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={249:-248}, arg0={69:0}, arg1={0:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13419] CALL, EXPR ldv_malloc(sizeof(struct dentry)) VAL [\old(size)=300, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6694] void *p ; [L6695] void *tmp ; [L6696] int tmp___0 ; [L6698] tmp___0 = __VERIFIER_nondet_int() [L6699] COND TRUE tmp___0 != 0 [L6700] return ((void *)0); VAL [\old(size)=300, \result={0:0}, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=300, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13419] RET, EXPR ldv_malloc(sizeof(struct dentry)) VAL [__this_module={249:-248}, arg0={69:0}, arg0={69:0}, arg1={0:0}, arg1={0:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct dentry))={0:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13419] return ldv_malloc(sizeof(struct dentry)); [L10111] RET, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, debugfs_create_dir("xen-netback", (struct dentry *)0)={0:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10111] xen_netback_dbg_root = debugfs_create_dir("xen-netback", (struct dentry *)0) [L10112] CALL, EXPR IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10251] bool tmp ; [L10253] CALL, EXPR ldv_is_err_or_null(ptr) [L13232] bool tmp ; [L13233] int tmp___0 ; VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13235] COND TRUE (unsigned long )ptr == (unsigned long )((void const *)0) [L13236] tmp___0 = 1 VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13245] return ((bool )tmp___0); VAL [\result=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10253] RET, EXPR ldv_is_err_or_null(ptr) [L10253] tmp = ldv_is_err_or_null(ptr) [L10254] return (tmp); VAL [\result=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10112] RET, EXPR IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, IS_ERR_OR_NULL((void const *)xen_netback_dbg_root)=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10112] tmp___0 = IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) [L10113] COND TRUE (int )tmp___0 VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10114] CALL, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10243] long tmp ; [L10245] CALL, EXPR ldv_ptr_err(ptr) [L13227] return ((long )(2012UL - (unsigned long )ptr)); VAL [\result=2012, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10245] RET, EXPR ldv_ptr_err(ptr) [L10245] tmp = ldv_ptr_err(ptr) [L10246] return (tmp); VAL [\result=2012, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2012, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10114] RET, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, PTR_ERR((void const *)xen_netback_dbg_root)=2012, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10114] tmp = PTR_ERR((void const *)xen_netback_dbg_root) [L10118] return (0); VAL [\result=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2012, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10187] RET, EXPR netback_init() [L10187] ldv_retval_1 = netback_init() [L10188] COND TRUE ldv_retval_1 == 0 [L10189] ldv_state_variable_0 = 3 [L10190] ldv_state_variable_5 = 1 [L10191] CALL ldv_file_operations_5() [L11615] void *tmp ; [L11616] void *tmp___0 ; VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11618] CALL, EXPR ldv_init_zalloc(1000UL) VAL [\old(size)=1000, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1000, __this_module={249:-248}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1000, __this_module={249:-248}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={249:-248}, cond=1, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1000, __this_module={249:-248}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6736] return (p); VAL [\old(size)=1000, \result={18446744073709551617:0}, __this_module={249:-248}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11618] RET, EXPR ldv_init_zalloc(1000UL) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1000UL)={18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11618] tmp = ldv_init_zalloc(1000UL) [L11619] xenvif_dbg_io_ring_ops_fops_group1 = (struct inode *)tmp VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11620] CALL, EXPR ldv_init_zalloc(504UL) VAL [\old(size)=504, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=504, __this_module={249:-248}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=504, __this_module={249:-248}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={249:-248}, cond=1, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=504, __this_module={249:-248}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6736] return (p); VAL [\old(size)=504, \result={-18446744073709551617:0}, __this_module={249:-248}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11620] RET, EXPR ldv_init_zalloc(504UL) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(504UL)={-18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11620] tmp___0 = ldv_init_zalloc(504UL) [L11621] xenvif_dbg_io_ring_ops_fops_group2 = (struct file *)tmp___0 VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10191] RET ldv_file_operations_5() [L10192] ldv_state_variable_3 = 1 [L10193] CALL ldv_initialize_ethtool_ops_3() [L12896] void *tmp ; VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L12898] CALL, EXPR ldv_init_zalloc(3008UL) VAL [\old(size)=3008, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=3008, __this_module={249:-248}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=3008, __this_module={249:-248}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={249:-248}, cond=1, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=3008, __this_module={249:-248}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6736] return (p); VAL [\old(size)=3008, \result={-36893488147419103233:0}, __this_module={249:-248}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L12898] RET, EXPR ldv_init_zalloc(3008UL) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(3008UL)={-36893488147419103233:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L12898] tmp = ldv_init_zalloc(3008UL) [L12899] xenvif_ethtool_ops_group0 = (struct net_device *)tmp VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10193] RET ldv_initialize_ethtool_ops_3() [L10194] ldv_state_variable_4 = 1 [L10195] CALL ldv_initialize_xenbus_driver_4() [L11606] void *tmp ; VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11608] CALL, EXPR ldv_init_zalloc(1664UL) VAL [\old(size)=1664, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1664, __this_module={249:-248}, calloc(1UL, size)={-73786976294838206463:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1664, __this_module={249:-248}, calloc(1UL, size)={-73786976294838206463:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-73786976294838206463:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={-73786976294838206463:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={249:-248}, cond=1, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1664, __this_module={249:-248}, calloc(1UL, size)={-73786976294838206463:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-73786976294838206463:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={-73786976294838206463:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6736] return (p); VAL [\old(size)=1664, \result={-73786976294838206463:0}, __this_module={249:-248}, calloc(1UL, size)={-73786976294838206463:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-73786976294838206463:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={-73786976294838206463:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11608] RET, EXPR ldv_init_zalloc(1664UL) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1664UL)={-73786976294838206463:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11608] tmp = ldv_init_zalloc(1664UL) [L11609] netback_driver_group0 = (struct xenbus_device *)tmp VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206463:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10195] RET ldv_initialize_xenbus_driver_4() [L10198] COND FALSE !(ldv_retval_1 != 0) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10166] COND TRUE ldv_state_variable_4 != 0 [L10167] CALL ldv_main_exported_4() [L11627] struct xenbus_device_id *ldvarg2 ; [L11628] void *tmp ; [L11629] enum xenbus_state ldvarg0 ; [L11630] struct kobj_uevent_env *ldvarg1 ; [L11631] void *tmp___0 ; [L11632] int tmp___1 ; VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11634] CALL, EXPR ldv_init_zalloc(32UL) VAL [\old(size)=32, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=32, __this_module={249:-248}, calloc(1UL, size)={-73786976294838206465:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=32, __this_module={249:-248}, calloc(1UL, size)={-73786976294838206465:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-73786976294838206465:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={-73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={249:-248}, cond=1, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=32, __this_module={249:-248}, calloc(1UL, size)={-73786976294838206465:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-73786976294838206465:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={-73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6736] return (p); VAL [\old(size)=32, \result={-73786976294838206465:0}, __this_module={249:-248}, calloc(1UL, size)={-73786976294838206465:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-73786976294838206465:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={-73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11634] RET, EXPR ldv_init_zalloc(32UL) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(32UL)={-73786976294838206465:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11634] tmp = ldv_init_zalloc(32UL) [L11635] ldvarg2 = (struct xenbus_device_id *)tmp VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, ldvarg2={-73786976294838206465:0}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11636] CALL, EXPR ldv_init_zalloc(2336UL) VAL [\old(size)=2336, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2336, __this_module={249:-248}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=2336, __this_module={249:-248}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={249:-248}, cond=1, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2336, __this_module={249:-248}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6736] return (p); VAL [\old(size)=2336, \result={36893488147419103233:0}, __this_module={249:-248}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11636] RET, EXPR ldv_init_zalloc(2336UL) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2336UL)={36893488147419103233:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, ldvarg2={-73786976294838206465:0}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11636] tmp___0 = ldv_init_zalloc(2336UL) [L11637] ldvarg1 = (struct kobj_uevent_env *)tmp___0 VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, ldvarg1={36893488147419103233:0}, ldvarg2={-73786976294838206465:0}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206465:0}, tmp___0={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11638] CALL ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [\old(c)=0, \old(n)=4, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103236:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6741] void *tmp ; VAL [\old(c)=0, \old(n)=4, __this_module={249:-248}, c=0, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, n=4, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103236:0}, s={36893488147419103236:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6743] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, __this_module={249:-248}, c=0, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, memset(s, c, n)={36893488147419103236:0}, n=4, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103236:0}, s={36893488147419103236:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6743] tmp = memset(s, c, n) [L6744] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={36893488147419103236:0}, __this_module={249:-248}, c=0, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, n=4, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103236:0}, s={36893488147419103236:0}, separate_tx_rx_irq=1, tmp={36893488147419103236:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11638] RET ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 4UL)={36893488147419103236:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, ldvarg1={36893488147419103233:0}, ldvarg2={-73786976294838206465:0}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206465:0}, tmp___0={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11639] tmp___1 = __VERIFIER_nondet_int() [L11641] case 0: VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, ldvarg1={36893488147419103233:0}, ldvarg2={-73786976294838206465:0}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206465:0}, tmp___0={36893488147419103233:0}, tmp___1=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11642] COND TRUE ldv_state_variable_4 == 1 [L11643] CALL netback_probe(netback_driver_group0, (struct xenbus_device_id const *)ldvarg2) [L10632] char const *message ; [L10633] struct xenbus_transaction xbt ; [L10634] int err ; [L10635] int sg ; [L10636] char const *script ; [L10637] struct backend_info *be ; [L10638] void *tmp ; [L10639] struct xenbus_transaction __constr_expr_0 ; [L10640] struct _ddebug descriptor ; [L10641] long tmp___0 ; [L10642] struct xenbus_transaction __constr_expr_1 ; [L10643] struct _ddebug descriptor___0 ; [L10644] long tmp___1 ; [L10645] struct xenbus_transaction __constr_expr_2 ; [L10646] void *tmp___2 ; [L10647] long tmp___3 ; [L10648] bool tmp___4 ; [L10649] struct _ddebug descriptor___1 ; [L10650] long tmp___5 ; VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10652] CALL, EXPR kzalloc(72UL, 208U) VAL [\old(flags)=208, \old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10303] void *tmp ; VAL [\old(flags)=208, \old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10305] CALL, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=32768, \old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10294] void *tmp___2 ; [L10296] CALL, EXPR __kmalloc(size, flags) [L10289] CALL, EXPR ldv_malloc(size) VAL [\old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6694] void *p ; [L6695] void *tmp ; [L6696] int tmp___0 ; [L6698] tmp___0 = __VERIFIER_nondet_int() [L6699] COND FALSE !(tmp___0 != 0) [L6702] tmp = malloc(size) [L6703] p = tmp VAL [\old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6704] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={249:-248}, cond=1, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6704] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6705] CALL, EXPR IS_ERR(p) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11777] bool tmp ; VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11779] CALL, EXPR ldv_is_err(ptr) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13215] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11779] RET, EXPR ldv_is_err(ptr) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11779] tmp = ldv_is_err(ptr) [L11780] return (tmp); VAL [\result=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6705] RET, EXPR IS_ERR(p) VAL [\old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, IS_ERR(p)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6705] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={249:-248}, cond=1, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6705] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, IS_ERR(p)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6706] return (p); VAL [\old(size)=72, \result={-18446744073709549604:0}, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10289] RET, EXPR ldv_malloc(size) VAL [\old(size)=72, \old(t)=32768, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_malloc(size)={-18446744073709549604:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, t=32768, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10289] return ldv_malloc(size); [L10296] RET, EXPR __kmalloc(size, flags) [L10296] tmp___2 = __kmalloc(size, flags) [L10297] return (tmp___2); VAL [\old(flags)=32768, \old(size)=72, \result={-18446744073709549604:0}, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, flags=32768, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp___2={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10305] RET, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=208, \old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, flags=208, kmalloc(size, flags | 32768U)={-18446744073709549604:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10305] tmp = kmalloc(size, flags | 32768U) [L10306] return (tmp); VAL [\old(flags)=208, \old(size)=72, \result={-18446744073709549604:0}, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10652] RET, EXPR kzalloc(72UL, 208U) VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, kzalloc(72UL, 208U)={-18446744073709549604:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10652] tmp = kzalloc(72UL, 208U) [L10653] be = (struct backend_info *)tmp VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10654] COND FALSE !((unsigned long )be == (unsigned long )((struct backend_info *)0)) [L10659] be->dev = dev VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10660] CALL dev_set_drvdata(& dev->dev, (void *)be) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, data={-18446744073709549604:0}, dev={-73786976294838206463:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10323] dev->driver_data = data VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, data={-18446744073709549604:0}, data={-18446744073709549604:0}, dev={-73786976294838206463:60}, dev={-73786976294838206463:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10660] RET dev_set_drvdata(& dev->dev, (void *)be) VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10661] sg = 1 VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10663] CALL, EXPR xenbus_transaction_start(& xbt) [L13713] return __VERIFIER_nondet_int(); [L10663] RET, EXPR xenbus_transaction_start(& xbt) [L10663] err = xenbus_transaction_start(& xbt) [L10664] COND TRUE err != 0 VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, err=1, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10779] descriptor___1.modname = "xen_netback" [L10780] descriptor___1.function = "netback_probe" [L10781] descriptor___1.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c" [L10782] descriptor___1.format = "failed\n" [L10783] descriptor___1.lineno = 380U [L10784] descriptor___1.flags = 0U [L10785] EXPR descriptor___1.flags VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, descriptor___1.flags=0, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, err=1, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10785] CALL, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6773] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __this_module={249:-248}, c=0, cpu_online_mask={36893488147419103250:36893488147419103256}, exp=0, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10785] RET, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, descriptor___1.flags=0, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, err=1, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10785] tmp___5 = ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) [L10786] COND FALSE !(tmp___5 != 0L) VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, err=1, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, tmp___5=0, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10790] CALL netback_remove(dev) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10607] struct backend_info *be ; [L10608] void *tmp ; [L10609] struct xenbus_transaction __constr_expr_0 ; VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10611] CALL, EXPR dev_get_drvdata((struct device const *)(& dev->dev)) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10317] EXPR dev->driver_data [L10317] return ((void *)dev->driver_data); [L10611] RET, EXPR dev_get_drvdata((struct device const *)(& dev->dev)) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, dev_get_drvdata((struct device const *)(& dev->dev))={-18446744073709549604:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10611] tmp = dev_get_drvdata((struct device const *)(& dev->dev)) [L10612] be = (struct backend_info *)tmp VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10613] CALL set_backend_state(be, 6) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10988] EXPR be->state VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, \old(state)=6, __this_module={249:-248}, be={-18446744073709549604:0}, be={-18446744073709549604:0}, be->state=4294967302, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, state=6, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10988] COND FALSE !((unsigned int )be->state != (unsigned int )state) [L10613] RET set_backend_state(be, 6) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10614] CALL unregister_hotplug_status_watch(be) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11228] EXPR (unsigned char *)be + 56UL VAL [(unsigned char *)be + 56UL=768, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, be={-18446744073709549604:0}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11228] COND FALSE !((unsigned int )*((unsigned char *)be + 56UL) != 0U) [L11233] be->have_hotplug_status_watch = 0U VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, be={-18446744073709549604:0}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10614] RET unregister_hotplug_status_watch(be) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10615] EXPR be->vif VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, be={-18446744073709549604:0}, be->vif={36893488147419103235:-18446744073709551620}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10615] COND TRUE (unsigned long )be->vif != (unsigned long )((struct xenvif *)0) [L10616] CALL kobject_uevent(& dev->dev.kobj, 5) VAL [\old(arg1)=5, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, arg0={-73786976294838206463:76}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13496] return __VERIFIER_nondet_int(); [L10616] RET kobject_uevent(& dev->dev.kobj, 5) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, kobject_uevent(& dev->dev.kobj, 5)=239, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10617] EXPR be->vif VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, be={-18446744073709549604:0}, be->vif={36893488147419103235:-18446744073709551620}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10617] CALL xen_unregister_watchers(be->vif) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103235:-18446744073709551620}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11216] EXPR vif->credit_watch.node VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103235:-18446744073709551620}, vif={36893488147419103235:-18446744073709551620}, vif->credit_watch.node={241:18446744073709551375}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11216] COND FALSE !((unsigned long )vif->credit_watch.node != (unsigned long )((char const *)0)) [L10617] RET xen_unregister_watchers(be->vif) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, be={-18446744073709549604:0}, be->vif={36893488147419103235:-18446744073709551620}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10618] __constr_expr_0.id = 0U [L10619] EXPR dev->nodename [L10619] CALL xenbus_rm(__constr_expr_0, dev->nodename, "hotplug-status") [L13694] return __VERIFIER_nondet_int(); [L10619] RET xenbus_rm(__constr_expr_0, dev->nodename, "hotplug-status") [L10620] EXPR be->vif [L10620] CALL xenvif_free(be->vif) [L12828] struct xenvif_queue *queue ; [L12829] unsigned int num_queues ; [L12830] unsigned int queue_index ; [L12832] queue = (struct xenvif_queue *)0 [L12833] EXPR vif->num_queues [L12833] num_queues = vif->num_queues [L12834] EXPR vif->dev [L12834] CALL ldv_unregister_netdev_22(vif->dev) [L13184] FCALL unregister_netdev(dev) [L13185] ldv_state_variable_2 = 0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={36893488147419103251:36893488147419103263}, dev={36893488147419103251:36893488147419103263}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L12834] RET ldv_unregister_netdev_22(vif->dev) [L12835] queue_index = 0U VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103235:-18446744073709551620}, vif={36893488147419103235:-18446744073709551620}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L12842] COND FALSE !(queue_index < num_queues) [L12846] EXPR vif->queues VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103235:-18446744073709551620}, vif={36893488147419103235:-18446744073709551620}, vif->queues={36893488147419103270:36893488147419103260}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L12846] FCALL vfree((void const *)vif->queues) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103235:-18446744073709551620}, vif={36893488147419103235:-18446744073709551620}, vif->queues={36893488147419103270:36893488147419103260}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L12847] vif->queues = (struct xenvif_queue *)0 [L12848] vif->num_queues = 0U [L12849] EXPR vif->dev [L12849] CALL ldv_free_netdev_23(vif->dev) [L13192] FCALL free_netdev(dev) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={36893488147419103251:36893488147419103263}, dev={36893488147419103251:36893488147419103263}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13193] ldv_state_variable_2 = 0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={36893488147419103251:36893488147419103263}, dev={36893488147419103251:36893488147419103263}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L12849] RET ldv_free_netdev_23(vif->dev) [L12850] CALL ldv_module_put_24(& __this_module) [L13200] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={249:-248}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13279] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={249:-248}, module={249:-248}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13280] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={249:-248}, module={249:-248}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13281] CALL ldv_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13209] reach_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)={0:0}, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 88 procedures, 1304 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 168.0s, OverallIterations: 13, TraceHistogramMax: 8, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.1s, AutomataDifference: 127.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 19503 SdHoareTripleChecker+Valid, 120.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18354 mSDsluCounter, 126084 SdHoareTripleChecker+Invalid, 113.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 107322 mSDsCounter, 9165 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63043 IncrementalHoareTripleChecker+Invalid, 72214 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9165 mSolverCounterUnsat, 18762 mSDtfsCounter, 63043 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2775 GetRequests, 2543 SyntacticMatches, 4 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1038 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6553occurred in iteration=12, InterpolantAutomatonStates: 152, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 13944 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 21.6s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 3890 NumberOfCodeBlocks, 3890 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 4415 ConstructedInterpolants, 0 QuantifiedInterpolants, 7224 SizeOfPredicates, 11 NumberOfNonLiveVariables, 15962 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 4388/4419 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 15:08:40,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:08:42,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:08:42,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:08:42,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:08:42,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:08:42,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:08:42,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:08:42,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:08:42,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:08:42,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:08:42,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:08:42,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:08:42,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:08:42,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:08:42,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:08:42,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:08:42,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:08:42,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:08:42,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:08:42,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:08:42,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:08:42,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:08:42,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:08:42,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:08:42,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:08:42,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:08:42,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:08:42,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:08:42,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:08:42,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:08:42,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:08:42,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:08:42,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:08:42,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:08:42,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:08:42,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:08:42,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:08:42,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:08:42,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:08:42,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:08:42,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:08:42,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 15:08:42,401 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:08:42,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:08:42,402 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:08:42,402 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:08:42,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:08:42,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:08:42,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:08:42,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:08:42,404 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:08:42,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:08:42,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:08:42,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:08:42,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:08:42,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:08:42,405 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 15:08:42,405 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 15:08:42,405 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 15:08:42,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:08:42,406 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:08:42,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:08:42,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:08:42,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:08:42,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:08:42,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:08:42,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:08:42,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:08:42,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:08:42,407 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 15:08:42,407 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 15:08:42,408 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:08:42,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:08:42,414 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:08:42,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:08:42,414 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 15:08:42,414 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:08:42,414 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2022-12-13 15:08:42,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:08:42,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:08:42,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:08:42,655 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:08:42,655 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:08:42,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-12-13 15:08:45,275 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:08:45,619 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:08:45,619 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-12-13 15:08:45,646 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/data/540a1ae44/b248e4051ea140c9a68e813e783cfba5/FLAGdd69313e2 [2022-12-13 15:08:45,660 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/data/540a1ae44/b248e4051ea140c9a68e813e783cfba5 [2022-12-13 15:08:45,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:08:45,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:08:45,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:08:45,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:08:45,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:08:45,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:08:45" (1/1) ... [2022-12-13 15:08:45,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44edbd3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:45, skipping insertion in model container [2022-12-13 15:08:45,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:08:45" (1/1) ... [2022-12-13 15:08:45,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:08:45,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:08:46,309 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:08:46,346 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-13 15:08:46,450 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 15:08:46,456 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 15:08:46,463 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 15:08:46,469 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 15:08:46,476 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 15:08:46,531 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-13 15:08:46,564 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-13 15:08:46,683 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-13 15:08:46,684 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-13 15:08:46,706 WARN L623 FunctionHandler]: Unknown extern function __skb_flow_dissect [2022-12-13 15:08:46,728 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-12-13 15:08:46,753 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:08:46,844 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 15:08:46,884 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-13 15:08:46,907 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb_sk [2022-12-13 15:08:46,928 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:46,933 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:47,036 WARN L623 FunctionHandler]: Unknown extern function get_phys_to_machine [2022-12-13 15:08:47,037 WARN L623 FunctionHandler]: Unknown extern function get_phys_to_machine [2022-12-13 15:08:47,082 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:08:47,092 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 15:08:47,096 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:47,101 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:47,114 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:47,127 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:47,135 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:47,141 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:08:47,147 WARN L623 FunctionHandler]: Unknown extern function gnttab_batch_copy [2022-12-13 15:08:47,154 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:08:47,155 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-12-13 15:08:47,167 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:08:47,172 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:47,178 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:47,179 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:47,179 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:47,180 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:47,182 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:47,183 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:47,189 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:47,207 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:47,207 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:47,213 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:47,218 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:47,224 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:47,225 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:47,226 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:47,227 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:47,235 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:47,241 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:47,242 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:47,247 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:47,248 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:47,254 WARN L623 FunctionHandler]: Unknown extern function skb_checksum_setup [2022-12-13 15:08:47,264 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:47,268 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:47,269 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:47,270 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:47,271 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:47,272 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:47,275 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:47,281 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 15:08:47,282 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-13 15:08:47,283 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:47,292 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:47,294 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:47,294 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:47,294 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:47,295 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 15:08:47,296 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:47,296 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:47,299 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:08:47,300 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:08:47,306 WARN L623 FunctionHandler]: Unknown extern function gnttab_unmap_refs [2022-12-13 15:08:47,307 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:47,307 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:47,310 WARN L623 FunctionHandler]: Unknown extern function gnttab_batch_copy [2022-12-13 15:08:47,310 WARN L623 FunctionHandler]: Unknown extern function gnttab_map_refs [2022-12-13 15:08:47,311 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:08:47,313 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-12-13 15:08:47,315 WARN L623 FunctionHandler]: Unknown extern function gnttab_unmap_refs [2022-12-13 15:08:47,315 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:47,321 WARN L623 FunctionHandler]: Unknown extern function xenbus_unmap_ring_vfree [2022-12-13 15:08:47,321 WARN L623 FunctionHandler]: Unknown extern function xenbus_unmap_ring_vfree [2022-12-13 15:08:47,322 WARN L623 FunctionHandler]: Unknown extern function xenbus_map_ring_valloc [2022-12-13 15:08:47,322 WARN L623 FunctionHandler]: Unknown extern function xenbus_map_ring_valloc [2022-12-13 15:08:47,327 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:08:47,327 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:47,338 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:08:47,339 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 15:08:47,356 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 15:08:47,370 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 15:08:47,370 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 15:08:47,371 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:08:47,372 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 15:08:47,373 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-12-13 15:08:47,374 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-13 15:08:47,386 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 15:08:47,387 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:08:47,388 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:08:47,389 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 15:08:47,389 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:08:47,390 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-12-13 15:08:47,390 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-13 15:08:47,396 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:47,397 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 15:08:47,398 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:47,403 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-13 15:08:47,429 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 15:08:47,431 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 15:08:47,476 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:47,514 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 15:08:47,624 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:47,625 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:47,625 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:47,626 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:47,626 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:47,626 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:47,626 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:47,627 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:47,627 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:47,628 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:47,634 WARN L623 FunctionHandler]: Unknown extern function simple_write_to_buffer [2022-12-13 15:08:47,634 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-13 15:08:47,635 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:47,639 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 15:08:47,644 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 15:08:47,646 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-13 15:08:47,646 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:47,647 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 15:08:47,651 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-13 15:08:47,656 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-12-13 15:08:47,656 WARN L623 FunctionHandler]: Unknown extern function xenbus_rm [2022-12-13 15:08:47,657 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:47,657 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:47,661 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:47,662 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_start [2022-12-13 15:08:47,662 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:47,662 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:47,663 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:47,663 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:47,664 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:47,664 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:47,664 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:47,665 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_end [2022-12-13 15:08:47,665 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:47,665 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:47,666 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:47,667 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:47,667 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:47,668 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:08:47,668 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:47,669 WARN L623 FunctionHandler]: Unknown extern function xenbus_switch_state [2022-12-13 15:08:47,669 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_end [2022-12-13 15:08:47,669 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:47,670 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:47,674 WARN L623 FunctionHandler]: Unknown extern function add_uevent_var [2022-12-13 15:08:47,680 WARN L623 FunctionHandler]: Unknown extern function add_uevent_var [2022-12-13 15:08:47,681 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:47,682 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:47,682 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:47,683 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-12-13 15:08:47,695 WARN L623 FunctionHandler]: Unknown extern function xenbus_strstate [2022-12-13 15:08:47,696 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:47,696 WARN L623 FunctionHandler]: Unknown extern function xenbus_switch_state [2022-12-13 15:08:47,696 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:47,702 WARN L623 FunctionHandler]: Unknown extern function xenbus_strstate [2022-12-13 15:08:47,703 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:47,703 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_is_online [2022-12-13 15:08:47,703 WARN L623 FunctionHandler]: Unknown extern function device_unregister [2022-12-13 15:08:47,704 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:47,708 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:08:47,709 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-13 15:08:47,709 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-13 15:08:47,710 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:47,710 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:47,710 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:47,714 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:08:47,715 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-13 15:08:47,715 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:47,716 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:47,725 WARN L623 FunctionHandler]: Unknown extern function register_xenbus_watch [2022-12-13 15:08:47,725 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:47,726 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:47,726 WARN L623 FunctionHandler]: Unknown extern function unregister_xenbus_watch [2022-12-13 15:08:47,726 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:47,727 WARN L623 FunctionHandler]: Unknown extern function unregister_xenbus_watch [2022-12-13 15:08:47,727 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:47,731 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:08:47,732 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 15:08:47,732 WARN L623 FunctionHandler]: Unknown extern function xenbus_switch_state [2022-12-13 15:08:47,732 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:47,733 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:47,734 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:47,734 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:47,735 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-12-13 15:08:47,737 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:08:47,737 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_tx_queues [2022-12-13 15:08:47,737 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_rx_queues [2022-12-13 15:08:47,737 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:08:47,737 WARN L623 FunctionHandler]: Unknown extern function xenbus_watch_pathfmt [2022-12-13 15:08:47,738 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:08:47,740 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:47,741 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:47,741 WARN L623 FunctionHandler]: Unknown extern function xenbus_gather [2022-12-13 15:08:47,742 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:47,742 WARN L623 FunctionHandler]: Unknown extern function xenbus_gather [2022-12-13 15:08:47,743 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:47,744 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:47,744 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:47,745 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:47,746 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:47,746 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:47,747 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:47,747 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:47,748 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:47,749 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:47,749 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:47,750 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:47,751 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:47,751 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:47,752 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:47,754 WARN L623 FunctionHandler]: Unknown extern function __xenbus_register_backend [2022-12-13 15:08:47,758 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-13 15:08:47,758 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-13 15:08:47,759 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-13 15:08:47,760 WARN L623 FunctionHandler]: Unknown extern function mod_timer_pending [2022-12-13 15:08:47,825 WARN L623 FunctionHandler]: Unknown extern function __put_task_struct [2022-12-13 15:08:47,991 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 15:08:48,002 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-13 15:08:48,002 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:48,004 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:08:48,015 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 15:08:48,016 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 15:08:48,021 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:08:48,022 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:08:48,022 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-12-13 15:08:48,032 WARN L623 FunctionHandler]: Unknown extern function netif_tx_stop_all_queues [2022-12-13 15:08:48,069 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-12-13 15:08:48,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:48,071 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:08:48,072 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:48,072 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 15:08:48,073 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,075 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:08:48,076 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:08:48,076 WARN L623 FunctionHandler]: Unknown extern function gnttab_alloc_pages [2022-12-13 15:08:48,077 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,078 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:08:48,078 WARN L623 FunctionHandler]: Unknown extern function dev_set_mtu [2022-12-13 15:08:48,079 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-12-13 15:08:48,079 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:08:48,081 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:08:48,081 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:08:48,081 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-13 15:08:48,082 WARN L623 FunctionHandler]: Unknown extern function bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:08:48,082 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:08:48,083 WARN L623 FunctionHandler]: Unknown extern function bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:08:48,083 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:08:48,083 WARN L623 FunctionHandler]: Unknown extern function bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:08:48,084 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:08:48,085 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-13 15:08:48,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:48,086 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-13 15:08:48,086 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:48,087 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 15:08:48,087 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 15:08:48,087 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:08:48,087 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:08:48,089 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:08:48,089 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:48,089 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:08:48,090 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-13 15:08:48,090 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 15:08:48,090 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 15:08:48,091 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:08:48,091 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:08:48,091 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:08:48,092 WARN L623 FunctionHandler]: Unknown extern function gnttab_free_pages [2022-12-13 15:08:48,093 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:08:48,105 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-13 15:08:48,106 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:08:48,107 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:08:48,107 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:08:48,108 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 15:08:48,109 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 15:08:48,109 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 15:08:48,109 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_2 [2022-12-13 15:08:48,110 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_2 [2022-12-13 15:08:48,110 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 15:08:48,111 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 15:08:48,111 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:08:48,112 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 15:08:48,112 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:08:48,117 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_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-12-13 15:08:48,138 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,139 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,147 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,147 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,148 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,148 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,159 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,174 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,175 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,176 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:08:48,216 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 15:08:48,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:08:48,346 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:08:48,347 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-13 15:08:48,348 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 15:08:48,349 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 15:08:48,349 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 15:08:48,349 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 15:08:48,349 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 15:08:48,350 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-13 15:08:48,351 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-13 15:08:48,355 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-13 15:08:48,356 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-13 15:08:48,358 WARN L623 FunctionHandler]: Unknown extern function __skb_flow_dissect [2022-12-13 15:08:48,359 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-12-13 15:08:48,361 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:08:48,382 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 15:08:48,384 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-13 15:08:48,384 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb_sk [2022-12-13 15:08:48,385 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:48,386 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:48,388 WARN L623 FunctionHandler]: Unknown extern function get_phys_to_machine [2022-12-13 15:08:48,388 WARN L623 FunctionHandler]: Unknown extern function get_phys_to_machine [2022-12-13 15:08:48,391 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:08:48,392 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 15:08:48,393 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:48,393 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:48,396 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:48,401 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:48,404 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,405 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:08:48,407 WARN L623 FunctionHandler]: Unknown extern function gnttab_batch_copy [2022-12-13 15:08:48,411 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:08:48,411 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-12-13 15:08:48,418 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:08:48,419 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,420 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,420 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,420 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:48,421 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,422 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:48,422 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,423 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,427 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:48,427 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,428 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,429 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,430 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:48,431 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,432 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:48,433 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,444 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:48,445 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,446 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,447 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,447 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,449 WARN L623 FunctionHandler]: Unknown extern function skb_checksum_setup [2022-12-13 15:08:48,450 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,452 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,453 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,454 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,454 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:48,455 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:48,457 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:48,459 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 15:08:48,459 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-13 15:08:48,460 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:48,462 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:48,463 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:48,464 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,464 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:48,464 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 15:08:48,465 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,465 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:48,467 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:08:48,467 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:08:48,469 WARN L623 FunctionHandler]: Unknown extern function gnttab_unmap_refs [2022-12-13 15:08:48,470 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,470 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,472 WARN L623 FunctionHandler]: Unknown extern function gnttab_batch_copy [2022-12-13 15:08:48,472 WARN L623 FunctionHandler]: Unknown extern function gnttab_map_refs [2022-12-13 15:08:48,472 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:08:48,474 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-12-13 15:08:48,475 WARN L623 FunctionHandler]: Unknown extern function gnttab_unmap_refs [2022-12-13 15:08:48,475 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,476 WARN L623 FunctionHandler]: Unknown extern function xenbus_unmap_ring_vfree [2022-12-13 15:08:48,477 WARN L623 FunctionHandler]: Unknown extern function xenbus_unmap_ring_vfree [2022-12-13 15:08:48,477 WARN L623 FunctionHandler]: Unknown extern function xenbus_map_ring_valloc [2022-12-13 15:08:48,478 WARN L623 FunctionHandler]: Unknown extern function xenbus_map_ring_valloc [2022-12-13 15:08:48,478 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:08:48,479 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:48,479 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:08:48,479 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 15:08:48,481 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 15:08:48,488 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 15:08:48,488 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 15:08:48,488 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:08:48,489 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 15:08:48,490 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-12-13 15:08:48,490 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-13 15:08:48,490 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 15:08:48,491 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:08:48,492 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:08:48,492 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 15:08:48,492 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:08:48,493 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-12-13 15:08:48,493 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-13 15:08:48,494 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:48,499 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 15:08:48,499 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:48,500 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-13 15:08:48,500 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 15:08:48,501 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 15:08:48,502 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,502 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 15:08:48,504 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:48,504 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:48,505 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:48,505 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:48,505 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:48,506 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:48,506 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:48,506 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:48,507 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:48,508 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:48,509 WARN L623 FunctionHandler]: Unknown extern function simple_write_to_buffer [2022-12-13 15:08:48,510 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-13 15:08:48,510 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:48,514 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 15:08:48,515 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 15:08:48,516 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-13 15:08:48,516 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:48,517 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 15:08:48,517 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-13 15:08:48,518 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-12-13 15:08:48,518 WARN L623 FunctionHandler]: Unknown extern function xenbus_rm [2022-12-13 15:08:48,518 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:48,518 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:48,519 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:48,519 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_start [2022-12-13 15:08:48,519 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:48,519 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:48,520 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:48,520 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:48,521 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:48,521 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:48,521 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:48,522 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_end [2022-12-13 15:08:48,522 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:48,522 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:48,523 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:48,523 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:48,524 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:48,524 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:08:48,525 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:48,525 WARN L623 FunctionHandler]: Unknown extern function xenbus_switch_state [2022-12-13 15:08:48,525 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_end [2022-12-13 15:08:48,525 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:48,526 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:48,527 WARN L623 FunctionHandler]: Unknown extern function add_uevent_var [2022-12-13 15:08:48,527 WARN L623 FunctionHandler]: Unknown extern function add_uevent_var [2022-12-13 15:08:48,528 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:48,528 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:48,529 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:48,529 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-12-13 15:08:48,530 WARN L623 FunctionHandler]: Unknown extern function xenbus_strstate [2022-12-13 15:08:48,530 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:48,530 WARN L623 FunctionHandler]: Unknown extern function xenbus_switch_state [2022-12-13 15:08:48,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:48,532 WARN L623 FunctionHandler]: Unknown extern function xenbus_strstate [2022-12-13 15:08:48,533 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:48,533 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_is_online [2022-12-13 15:08:48,533 WARN L623 FunctionHandler]: Unknown extern function device_unregister [2022-12-13 15:08:48,534 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:48,534 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:08:48,535 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-13 15:08:48,535 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-13 15:08:48,536 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:48,536 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:48,536 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:48,537 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:08:48,537 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-13 15:08:48,538 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:48,538 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:48,540 WARN L623 FunctionHandler]: Unknown extern function register_xenbus_watch [2022-12-13 15:08:48,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:48,541 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:48,541 WARN L623 FunctionHandler]: Unknown extern function unregister_xenbus_watch [2022-12-13 15:08:48,541 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:48,542 WARN L623 FunctionHandler]: Unknown extern function unregister_xenbus_watch [2022-12-13 15:08:48,542 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:48,543 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:08:48,543 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 15:08:48,543 WARN L623 FunctionHandler]: Unknown extern function xenbus_switch_state [2022-12-13 15:08:48,544 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:48,545 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:48,545 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:48,545 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:48,546 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-12-13 15:08:48,547 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:08:48,547 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_tx_queues [2022-12-13 15:08:48,548 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_rx_queues [2022-12-13 15:08:48,548 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:08:48,548 WARN L623 FunctionHandler]: Unknown extern function xenbus_watch_pathfmt [2022-12-13 15:08:48,549 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:08:48,550 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:48,550 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:48,551 WARN L623 FunctionHandler]: Unknown extern function xenbus_gather [2022-12-13 15:08:48,551 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:48,552 WARN L623 FunctionHandler]: Unknown extern function xenbus_gather [2022-12-13 15:08:48,552 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:48,553 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:48,553 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:48,553 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:48,554 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:48,554 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:48,555 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:48,555 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:48,556 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:48,556 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:48,557 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:48,557 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:48,558 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:48,558 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:48,559 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:48,560 WARN L623 FunctionHandler]: Unknown extern function __xenbus_register_backend [2022-12-13 15:08:48,562 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-13 15:08:48,563 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-13 15:08:48,563 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-13 15:08:48,563 WARN L623 FunctionHandler]: Unknown extern function mod_timer_pending [2022-12-13 15:08:48,564 WARN L623 FunctionHandler]: Unknown extern function __put_task_struct [2022-12-13 15:08:48,569 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 15:08:48,570 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-13 15:08:48,571 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:48,572 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:08:48,574 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 15:08:48,574 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 15:08:48,575 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:08:48,575 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:08:48,575 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-12-13 15:08:48,576 WARN L623 FunctionHandler]: Unknown extern function netif_tx_stop_all_queues [2022-12-13 15:08:48,581 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-12-13 15:08:48,582 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:48,583 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:08:48,584 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:48,584 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 15:08:48,585 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,586 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:08:48,586 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:08:48,587 WARN L623 FunctionHandler]: Unknown extern function gnttab_alloc_pages [2022-12-13 15:08:48,587 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,588 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:08:48,588 WARN L623 FunctionHandler]: Unknown extern function dev_set_mtu [2022-12-13 15:08:48,588 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-12-13 15:08:48,589 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:08:48,590 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:08:48,590 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:08:48,590 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-13 15:08:48,590 WARN L623 FunctionHandler]: Unknown extern function bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:08:48,591 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:08:48,591 WARN L623 FunctionHandler]: Unknown extern function bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:08:48,592 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:08:48,592 WARN L623 FunctionHandler]: Unknown extern function bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:08:48,592 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:08:48,593 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-13 15:08:48,593 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:48,593 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-13 15:08:48,594 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:48,594 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 15:08:48,594 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 15:08:48,594 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:08:48,595 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:08:48,595 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:08:48,596 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:48,596 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:08:48,596 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-13 15:08:48,597 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 15:08:48,597 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 15:08:48,597 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:08:48,597 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:08:48,598 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:08:48,598 WARN L623 FunctionHandler]: Unknown extern function gnttab_free_pages [2022-12-13 15:08:48,599 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:08:48,601 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-13 15:08:48,602 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:08:48,602 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:08:48,602 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:08:48,603 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 15:08:48,603 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 15:08:48,604 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 15:08:48,604 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_2 [2022-12-13 15:08:48,604 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_2 [2022-12-13 15:08:48,605 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 15:08:48,605 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 15:08:48,605 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:08:48,606 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 15:08:48,606 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:08:48,606 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_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-12-13 15:08:48,608 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,608 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,610 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,610 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,610 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,611 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,617 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,619 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,619 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,620 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:48,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:08:48,630 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:08:48,707 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:08:48,708 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-13 15:08:48,709 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 15:08:48,709 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 15:08:48,709 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 15:08:48,709 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 15:08:48,710 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 15:08:48,710 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-13 15:08:48,711 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-13 15:08:48,715 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-13 15:08:48,715 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-13 15:08:48,716 WARN L623 FunctionHandler]: Unknown extern function __skb_flow_dissect [2022-12-13 15:08:48,717 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-12-13 15:08:48,720 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:08:48,730 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 15:08:48,732 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-13 15:08:48,733 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb_sk [2022-12-13 15:08:48,739 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:48,740 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:48,743 WARN L623 FunctionHandler]: Unknown extern function get_phys_to_machine [2022-12-13 15:08:48,744 WARN L623 FunctionHandler]: Unknown extern function get_phys_to_machine [2022-12-13 15:08:48,746 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:08:48,761 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 15:08:48,761 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:48,762 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:48,765 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:48,777 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:48,779 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,781 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:08:48,783 WARN L623 FunctionHandler]: Unknown extern function gnttab_batch_copy [2022-12-13 15:08:48,792 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:08:48,792 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-12-13 15:08:48,795 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:08:48,796 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,797 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,814 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,820 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:48,820 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,823 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:48,824 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,826 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,834 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:48,834 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,838 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,841 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,844 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:48,845 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,848 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:48,849 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,854 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:48,855 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,861 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,868 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,868 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,870 WARN L623 FunctionHandler]: Unknown extern function skb_checksum_setup [2022-12-13 15:08:48,873 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,917 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,919 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,928 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,937 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:48,938 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:48,940 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:48,943 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 15:08:48,944 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-13 15:08:48,945 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:48,947 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:48,948 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:08:48,948 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,950 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:48,951 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 15:08:48,954 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:48,956 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:08:48,958 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:08:48,958 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:08:48,960 WARN L623 FunctionHandler]: Unknown extern function gnttab_unmap_refs [2022-12-13 15:08:48,960 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,963 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,966 WARN L623 FunctionHandler]: Unknown extern function gnttab_batch_copy [2022-12-13 15:08:48,966 WARN L623 FunctionHandler]: Unknown extern function gnttab_map_refs [2022-12-13 15:08:48,967 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 15:08:48,968 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-12-13 15:08:48,969 WARN L623 FunctionHandler]: Unknown extern function gnttab_unmap_refs [2022-12-13 15:08:48,969 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:48,976 WARN L623 FunctionHandler]: Unknown extern function xenbus_unmap_ring_vfree [2022-12-13 15:08:48,979 WARN L623 FunctionHandler]: Unknown extern function xenbus_unmap_ring_vfree [2022-12-13 15:08:48,983 WARN L623 FunctionHandler]: Unknown extern function xenbus_map_ring_valloc [2022-12-13 15:08:48,986 WARN L623 FunctionHandler]: Unknown extern function xenbus_map_ring_valloc [2022-12-13 15:08:48,990 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:08:48,990 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:48,993 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:08:48,994 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 15:08:48,995 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 15:08:48,996 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 15:08:48,996 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 15:08:48,996 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:08:49,024 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 15:08:49,025 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-12-13 15:08:49,025 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-13 15:08:49,025 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 15:08:49,026 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:08:49,026 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:08:49,026 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 15:08:49,026 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:08:49,027 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-12-13 15:08:49,027 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-13 15:08:49,027 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:49,027 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 15:08:49,028 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:49,028 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-13 15:08:49,028 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 15:08:49,029 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 15:08:49,030 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:49,030 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 15:08:49,032 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:49,032 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:49,032 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:49,032 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:49,033 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:49,033 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:49,033 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:49,033 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:49,034 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:49,038 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:08:49,039 WARN L623 FunctionHandler]: Unknown extern function simple_write_to_buffer [2022-12-13 15:08:49,039 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-13 15:08:49,039 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:49,040 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 15:08:49,041 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 15:08:49,041 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-13 15:08:49,041 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:49,042 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 15:08:49,042 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-13 15:08:49,042 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-12-13 15:08:49,043 WARN L623 FunctionHandler]: Unknown extern function xenbus_rm [2022-12-13 15:08:49,043 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:49,043 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:49,044 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:49,044 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_start [2022-12-13 15:08:49,044 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:49,044 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:49,044 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:49,045 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:49,045 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:49,045 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:49,045 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:49,046 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_end [2022-12-13 15:08:49,046 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:49,046 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:49,047 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:49,047 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-12-13 15:08:49,047 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:49,048 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:08:49,048 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:49,048 WARN L623 FunctionHandler]: Unknown extern function xenbus_switch_state [2022-12-13 15:08:49,048 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_end [2022-12-13 15:08:49,048 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:49,049 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:49,050 WARN L623 FunctionHandler]: Unknown extern function add_uevent_var [2022-12-13 15:08:49,050 WARN L623 FunctionHandler]: Unknown extern function add_uevent_var [2022-12-13 15:08:49,050 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:49,051 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:49,051 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:49,051 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent [2022-12-13 15:08:49,052 WARN L623 FunctionHandler]: Unknown extern function xenbus_strstate [2022-12-13 15:08:49,052 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:49,053 WARN L623 FunctionHandler]: Unknown extern function xenbus_switch_state [2022-12-13 15:08:49,053 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:49,054 WARN L623 FunctionHandler]: Unknown extern function xenbus_strstate [2022-12-13 15:08:49,054 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:49,055 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_is_online [2022-12-13 15:08:49,055 WARN L623 FunctionHandler]: Unknown extern function device_unregister [2022-12-13 15:08:49,055 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:49,055 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:08:49,056 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-13 15:08:49,056 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-13 15:08:49,056 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:49,056 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:49,056 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:49,057 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:08:49,057 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-13 15:08:49,058 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:49,058 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:49,059 WARN L623 FunctionHandler]: Unknown extern function register_xenbus_watch [2022-12-13 15:08:49,059 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:49,060 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:49,060 WARN L623 FunctionHandler]: Unknown extern function unregister_xenbus_watch [2022-12-13 15:08:49,060 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:49,060 WARN L623 FunctionHandler]: Unknown extern function unregister_xenbus_watch [2022-12-13 15:08:49,061 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:49,061 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-12-13 15:08:49,061 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 15:08:49,062 WARN L623 FunctionHandler]: Unknown extern function xenbus_switch_state [2022-12-13 15:08:49,062 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:49,062 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:49,062 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:49,063 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:49,063 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-12-13 15:08:49,067 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:08:49,067 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_tx_queues [2022-12-13 15:08:49,067 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_rx_queues [2022-12-13 15:08:49,067 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:08:49,067 WARN L623 FunctionHandler]: Unknown extern function xenbus_watch_pathfmt [2022-12-13 15:08:49,068 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:08:49,069 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:49,070 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:49,070 WARN L623 FunctionHandler]: Unknown extern function xenbus_gather [2022-12-13 15:08:49,071 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:49,071 WARN L623 FunctionHandler]: Unknown extern function xenbus_gather [2022-12-13 15:08:49,071 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:49,071 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:49,072 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:49,072 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:49,073 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:49,073 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:49,073 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:49,073 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:49,074 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:49,074 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:49,075 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:49,075 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:49,075 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-12-13 15:08:49,075 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:49,076 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-12-13 15:08:49,077 WARN L623 FunctionHandler]: Unknown extern function __xenbus_register_backend [2022-12-13 15:08:49,079 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-13 15:08:49,079 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-13 15:08:49,079 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-13 15:08:49,080 WARN L623 FunctionHandler]: Unknown extern function mod_timer_pending [2022-12-13 15:08:49,081 WARN L623 FunctionHandler]: Unknown extern function __put_task_struct [2022-12-13 15:08:49,088 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 15:08:49,089 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-13 15:08:49,089 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:49,090 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:08:49,091 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 15:08:49,092 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 15:08:49,092 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:08:49,092 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:08:49,092 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-12-13 15:08:49,093 WARN L623 FunctionHandler]: Unknown extern function netif_tx_stop_all_queues [2022-12-13 15:08:49,097 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-12-13 15:08:49,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:49,098 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:08:49,099 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:49,099 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 15:08:49,099 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:08:49,101 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:08:49,101 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:08:49,101 WARN L623 FunctionHandler]: Unknown extern function gnttab_alloc_pages [2022-12-13 15:08:49,101 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:49,104 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:08:49,104 WARN L623 FunctionHandler]: Unknown extern function dev_set_mtu [2022-12-13 15:08:49,104 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-12-13 15:08:49,105 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:08:49,105 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:08:49,105 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:08:49,106 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-13 15:08:49,108 WARN L623 FunctionHandler]: Unknown extern function bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:08:49,108 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:08:49,108 WARN L623 FunctionHandler]: Unknown extern function bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:08:49,109 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:08:49,109 WARN L623 FunctionHandler]: Unknown extern function bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:08:49,109 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:08:49,109 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-13 15:08:49,109 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:49,110 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-13 15:08:49,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:49,110 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 15:08:49,110 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 15:08:49,110 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:08:49,110 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:08:49,111 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:08:49,111 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:49,111 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:08:49,112 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-13 15:08:49,112 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 15:08:49,112 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 15:08:49,112 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:08:49,112 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:08:49,113 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-12-13 15:08:49,113 WARN L623 FunctionHandler]: Unknown extern function gnttab_free_pages [2022-12-13 15:08:49,113 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:08:49,115 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-13 15:08:49,115 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:08:49,116 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:08:49,116 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:08:49,117 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 15:08:49,117 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 15:08:49,117 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 15:08:49,117 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_2 [2022-12-13 15:08:49,117 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_2 [2022-12-13 15:08:49,118 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 15:08:49,118 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 15:08:49,118 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:08:49,118 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 15:08:49,118 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:08:49,118 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_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-12-13 15:08:49,120 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:49,120 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:49,121 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:49,121 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:49,122 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:49,122 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:49,123 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:49,124 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:49,125 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:49,125 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:08:49,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:08:49,294 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:08:49,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:49 WrapperNode [2022-12-13 15:08:49,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:08:49,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:08:49,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:08:49,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:08:49,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:49" (1/1) ... [2022-12-13 15:08:49,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:49" (1/1) ... [2022-12-13 15:08:49,454 INFO L138 Inliner]: procedures = 440, calls = 3460, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4397 [2022-12-13 15:08:49,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:08:49,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:08:49,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:08:49,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:08:49,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:49" (1/1) ... [2022-12-13 15:08:49,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:49" (1/1) ... [2022-12-13 15:08:49,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:49" (1/1) ... [2022-12-13 15:08:49,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:49" (1/1) ... [2022-12-13 15:08:49,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:49" (1/1) ... [2022-12-13 15:08:49,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:49" (1/1) ... [2022-12-13 15:08:49,566 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:49" (1/1) ... [2022-12-13 15:08:49,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:49" (1/1) ... [2022-12-13 15:08:49,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:08:49,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:08:49,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:08:49,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:08:49,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:49" (1/1) ... [2022-12-13 15:08:49,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:08:49,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:08:49,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:08:49,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:08:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-12-13 15:08:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-12-13 15:08:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-12-13 15:08:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2022-12-13 15:08:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2022-12-13 15:08:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-12-13 15:08:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-12-13 15:08:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 15:08:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 15:08:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2022-12-13 15:08:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2022-12-13 15:08:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-12-13 15:08:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-12-13 15:08:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2022-12-13 15:08:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2022-12-13 15:08:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 15:08:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 15:08:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2022-12-13 15:08:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2022-12-13 15:08:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2022-12-13 15:08:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2022-12-13 15:08:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-13 15:08:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-13 15:08:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2022-12-13 15:08:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2022-12-13 15:08:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 15:08:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 15:08:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2022-12-13 15:08:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2022-12-13 15:08:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-12-13 15:08:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-12-13 15:08:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 15:08:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 15:08:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 15:08:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 15:08:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2022-12-13 15:08:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2022-12-13 15:08:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 15:08:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 15:08:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2022-12-13 15:08:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2022-12-13 15:08:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:08:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-12-13 15:08:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 15:08:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 15:08:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-12-13 15:08:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-12-13 15:08:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 15:08:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 15:08:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 15:08:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 15:08:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-12-13 15:08:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-12-13 15:08:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-12-13 15:08:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-12-13 15:08:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 15:08:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 15:08:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2022-12-13 15:08:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2022-12-13 15:08:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 15:08:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 15:08:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2022-12-13 15:08:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2022-12-13 15:08:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-12-13 15:08:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-12-13 15:08:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2022-12-13 15:08:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2022-12-13 15:08:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2022-12-13 15:08:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2022-12-13 15:08:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-12-13 15:08:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-12-13 15:08:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 15:08:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 15:08:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2022-12-13 15:08:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2022-12-13 15:08:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 15:08:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2022-12-13 15:08:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2022-12-13 15:08:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:08:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 15:08:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-12-13 15:08:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2022-12-13 15:08:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2022-12-13 15:08:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-12-13 15:08:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-12-13 15:08:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-12-13 15:08:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-12-13 15:08:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-12-13 15:08:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-12-13 15:08:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2022-12-13 15:08:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2022-12-13 15:08:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-13 15:08:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-13 15:08:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-13 15:08:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-13 15:08:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-12-13 15:08:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:08:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:08:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 15:08:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 15:08:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 15:08:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 15:08:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 15:08:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 15:08:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-13 15:08:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 15:08:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2022-12-13 15:08:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2022-12-13 15:08:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 15:08:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 15:08:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-12-13 15:08:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-12-13 15:08:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2022-12-13 15:08:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2022-12-13 15:08:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-13 15:08:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-13 15:08:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:08:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2022-12-13 15:08:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2022-12-13 15:08:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2022-12-13 15:08:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-12-13 15:08:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-12-13 15:08:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-12-13 15:08:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-12-13 15:08:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-12-13 15:08:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-12-13 15:08:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2022-12-13 15:08:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2022-12-13 15:08:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-12-13 15:08:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-12-13 15:08:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 15:08:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 15:08:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 15:08:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 15:08:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 15:08:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 15:08:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-12-13 15:08:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-12-13 15:08:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-13 15:08:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-13 15:08:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2022-12-13 15:08:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2022-12-13 15:08:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2022-12-13 15:08:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2022-12-13 15:08:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-13 15:08:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-13 15:08:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:08:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-13 15:08:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-13 15:08:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2022-12-13 15:08:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2022-12-13 15:08:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 15:08:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2022-12-13 15:08:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2022-12-13 15:08:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-12-13 15:08:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-12-13 15:08:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2022-12-13 15:08:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2022-12-13 15:08:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-13 15:08:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 15:08:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-13 15:08:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-12-13 15:08:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-12-13 15:08:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 15:08:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 15:08:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 15:08:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 15:08:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-13 15:08:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-13 15:08:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 15:08:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 15:08:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-12-13 15:08:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-12-13 15:08:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 15:08:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 15:08:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2022-12-13 15:08:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2022-12-13 15:08:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-13 15:08:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-13 15:08:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 15:08:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 15:08:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-12-13 15:08:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-12-13 15:08:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 15:08:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-12-13 15:08:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 15:08:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 15:08:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-12-13 15:08:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-12-13 15:08:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2022-12-13 15:08:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2022-12-13 15:08:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-13 15:08:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-13 15:08:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-13 15:08:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-13 15:08:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-12-13 15:08:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-12-13 15:08:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-13 15:08:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-13 15:08:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-13 15:08:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-13 15:08:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-13 15:08:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-13 15:08:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2022-12-13 15:08:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2022-12-13 15:08:50,178 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:08:50,180 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:08:51,015 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 15:09:29,794 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:09:29,808 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:09:29,808 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-12-13 15:09:29,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:09:29 BoogieIcfgContainer [2022-12-13 15:09:29,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:09:29,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:09:29,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:09:29,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:09:29,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:08:45" (1/3) ... [2022-12-13 15:09:29,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3605f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:09:29, skipping insertion in model container [2022-12-13 15:09:29,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:49" (2/3) ... [2022-12-13 15:09:29,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3605f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:09:29, skipping insertion in model container [2022-12-13 15:09:29,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:09:29" (3/3) ... [2022-12-13 15:09:29,817 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-12-13 15:09:29,829 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:09:29,829 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 15:09:29,890 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:09:29,895 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1d40bfd9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:09:29,895 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 15:09:29,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 1303 states, 944 states have (on average 1.3230932203389831) internal successors, (1249), 970 states have internal predecessors, (1249), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) [2022-12-13 15:09:29,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 15:09:29,911 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:09:29,911 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:09:29,911 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:09:29,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:09:29,916 INFO L85 PathProgramCache]: Analyzing trace with hash -790699243, now seen corresponding path program 1 times [2022-12-13 15:09:29,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:09:29,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1018564955] [2022-12-13 15:09:29,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:09:29,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:09:29,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:09:29,930 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:09:29,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 15:09:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:30,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 1252 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:09:30,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:09:30,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:09:30,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:09:30,851 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:09:30,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1018564955] [2022-12-13 15:09:30,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1018564955] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:09:30,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:09:30,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:09:30,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380884392] [2022-12-13 15:09:30,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:09:30,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:09:30,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:09:30,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:09:30,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:09:30,890 INFO L87 Difference]: Start difference. First operand has 1303 states, 944 states have (on average 1.3230932203389831) internal successors, (1249), 970 states have internal predecessors, (1249), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:09:31,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:09:31,134 INFO L93 Difference]: Finished difference Result 3893 states and 5455 transitions. [2022-12-13 15:09:31,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:09:31,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-13 15:09:31,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:09:31,162 INFO L225 Difference]: With dead ends: 3893 [2022-12-13 15:09:31,162 INFO L226 Difference]: Without dead ends: 2545 [2022-12-13 15:09:31,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:09:31,182 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 1758 mSDsluCounter, 1767 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 3808 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:09:31,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1758 Valid, 3808 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:09:31,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2545 states. [2022-12-13 15:09:31,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2545 to 2542. [2022-12-13 15:09:31,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2542 states, 1845 states have (on average 1.3062330623306233) internal successors, (2410), 1879 states have internal predecessors, (2410), 526 states have call successors, (526), 171 states have call predecessors, (526), 170 states have return successors, (524), 510 states have call predecessors, (524), 524 states have call successors, (524) [2022-12-13 15:09:31,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 3460 transitions. [2022-12-13 15:09:31,375 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 3460 transitions. Word has length 19 [2022-12-13 15:09:31,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:09:31,376 INFO L495 AbstractCegarLoop]: Abstraction has 2542 states and 3460 transitions. [2022-12-13 15:09:31,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:09:31,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3460 transitions. [2022-12-13 15:09:31,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-12-13 15:09:31,386 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:09:31,386 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:09:31,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:09:31,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:09:31,587 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:09:31,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:09:31,588 INFO L85 PathProgramCache]: Analyzing trace with hash -637924985, now seen corresponding path program 1 times [2022-12-13 15:09:31,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:09:31,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190171128] [2022-12-13 15:09:31,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:09:31,590 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:09:31,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:09:31,591 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:09:31,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 15:09:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 1626 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:09:32,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:09:32,507 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-13 15:09:32,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:09:32,508 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:09:32,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190171128] [2022-12-13 15:09:32,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [190171128] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:09:32,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:09:32,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:09:32,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668880654] [2022-12-13 15:09:32,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:09:32,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:09:32,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:09:32,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:09:32,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:09:32,510 INFO L87 Difference]: Start difference. First operand 2542 states and 3460 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-13 15:09:32,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:09:32,948 INFO L93 Difference]: Finished difference Result 6089 states and 8267 transitions. [2022-12-13 15:09:32,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:09:32,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 106 [2022-12-13 15:09:32,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:09:32,962 INFO L225 Difference]: With dead ends: 6089 [2022-12-13 15:09:32,962 INFO L226 Difference]: Without dead ends: 3550 [2022-12-13 15:09:32,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:09:32,972 INFO L413 NwaCegarLoop]: 1848 mSDtfsCounter, 682 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 3566 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:09:32,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [682 Valid, 3566 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 15:09:32,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3550 states. [2022-12-13 15:09:33,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3550 to 3538. [2022-12-13 15:09:33,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3538 states, 2588 states have (on average 1.311823802163833) internal successors, (3395), 2633 states have internal predecessors, (3395), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-12-13 15:09:33,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3538 states to 3538 states and 4797 transitions. [2022-12-13 15:09:33,142 INFO L78 Accepts]: Start accepts. Automaton has 3538 states and 4797 transitions. Word has length 106 [2022-12-13 15:09:33,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:09:33,143 INFO L495 AbstractCegarLoop]: Abstraction has 3538 states and 4797 transitions. [2022-12-13 15:09:33,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-13 15:09:33,143 INFO L276 IsEmpty]: Start isEmpty. Operand 3538 states and 4797 transitions. [2022-12-13 15:09:33,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-12-13 15:09:33,150 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:09:33,151 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:09:33,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 15:09:33,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:09:33,352 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:09:33,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:09:33,353 INFO L85 PathProgramCache]: Analyzing trace with hash 633420909, now seen corresponding path program 1 times [2022-12-13 15:09:33,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:09:33,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923353902] [2022-12-13 15:09:33,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:09:33,356 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:09:33,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:09:33,357 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:09:33,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 15:09:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:34,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 15:09:34,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:09:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-13 15:09:34,513 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:09:34,514 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:09:34,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923353902] [2022-12-13 15:09:34,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923353902] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:09:34,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:09:34,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:09:34,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875990225] [2022-12-13 15:09:34,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:09:34,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:09:34,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:09:34,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:09:34,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:09:34,515 INFO L87 Difference]: Start difference. First operand 3538 states and 4797 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-13 15:09:35,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:09:35,531 INFO L93 Difference]: Finished difference Result 7090 states and 9613 transitions. [2022-12-13 15:09:35,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:09:35,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 185 [2022-12-13 15:09:35,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:09:35,544 INFO L225 Difference]: With dead ends: 7090 [2022-12-13 15:09:35,544 INFO L226 Difference]: Without dead ends: 3549 [2022-12-13 15:09:35,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:09:35,554 INFO L413 NwaCegarLoop]: 1740 mSDtfsCounter, 10 mSDsluCounter, 3474 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 5214 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:09:35,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 5214 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 15:09:35,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3549 states. [2022-12-13 15:09:35,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3549 to 3541. [2022-12-13 15:09:35,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3541 states, 2591 states have (on average 1.310690852952528) internal successors, (3396), 2636 states have internal predecessors, (3396), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-12-13 15:09:35,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 4798 transitions. [2022-12-13 15:09:35,653 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 4798 transitions. Word has length 185 [2022-12-13 15:09:35,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:09:35,654 INFO L495 AbstractCegarLoop]: Abstraction has 3541 states and 4798 transitions. [2022-12-13 15:09:35,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-13 15:09:35,654 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 4798 transitions. [2022-12-13 15:09:35,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-12-13 15:09:35,658 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:09:35,658 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:09:35,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 15:09:35,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:09:35,859 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:09:35,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:09:35,859 INFO L85 PathProgramCache]: Analyzing trace with hash -401714825, now seen corresponding path program 1 times [2022-12-13 15:09:35,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:09:35,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580739578] [2022-12-13 15:09:35,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:09:35,860 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:09:35,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:09:35,861 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:09:35,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-13 15:09:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:36,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 1877 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:09:36,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:09:37,489 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-12-13 15:09:37,490 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:09:37,490 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:09:37,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580739578] [2022-12-13 15:09:37,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [580739578] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:09:37,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:09:37,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:09:37,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998653900] [2022-12-13 15:09:37,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:09:37,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:09:37,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:09:37,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:09:37,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:09:37,491 INFO L87 Difference]: Start difference. First operand 3541 states and 4798 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:09:38,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:09:38,169 INFO L93 Difference]: Finished difference Result 7104 states and 9624 transitions. [2022-12-13 15:09:38,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 15:09:38,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 194 [2022-12-13 15:09:38,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:09:38,187 INFO L225 Difference]: With dead ends: 7104 [2022-12-13 15:09:38,187 INFO L226 Difference]: Without dead ends: 3556 [2022-12-13 15:09:38,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:09:38,202 INFO L413 NwaCegarLoop]: 1742 mSDtfsCounter, 22 mSDsluCounter, 5213 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 6955 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:09:38,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 6955 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 15:09:38,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2022-12-13 15:09:38,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 3536. [2022-12-13 15:09:38,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3536 states, 2586 states have (on average 1.3093580819798918) internal successors, (3386), 2631 states have internal predecessors, (3386), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-12-13 15:09:38,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3536 states and 4788 transitions. [2022-12-13 15:09:38,303 INFO L78 Accepts]: Start accepts. Automaton has 3536 states and 4788 transitions. Word has length 194 [2022-12-13 15:09:38,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:09:38,304 INFO L495 AbstractCegarLoop]: Abstraction has 3536 states and 4788 transitions. [2022-12-13 15:09:38,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:09:38,304 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 4788 transitions. [2022-12-13 15:09:38,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-12-13 15:09:38,308 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:09:38,308 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:09:38,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-12-13 15:09:38,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:09:38,526 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:09:38,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:09:38,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1269884311, now seen corresponding path program 1 times [2022-12-13 15:09:38,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:09:38,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571730363] [2022-12-13 15:09:38,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:09:38,533 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:09:38,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:09:38,536 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:09:38,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-13 15:09:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:39,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 1928 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 15:09:39,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:09:39,802 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-13 15:09:39,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:09:39,802 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:09:39,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [571730363] [2022-12-13 15:09:39,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [571730363] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:09:39,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:09:39,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 15:09:39,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055607539] [2022-12-13 15:09:39,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:09:39,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 15:09:39,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:09:39,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 15:09:39,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:09:39,804 INFO L87 Difference]: Start difference. First operand 3536 states and 4788 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 15:09:40,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:09:40,315 INFO L93 Difference]: Finished difference Result 8400 states and 11657 transitions. [2022-12-13 15:09:40,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:09:40,316 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 214 [2022-12-13 15:09:40,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:09:40,332 INFO L225 Difference]: With dead ends: 8400 [2022-12-13 15:09:40,332 INFO L226 Difference]: Without dead ends: 4867 [2022-12-13 15:09:40,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 15:09:40,342 INFO L413 NwaCegarLoop]: 2283 mSDtfsCounter, 435 mSDsluCounter, 10935 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 13218 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:09:40,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 13218 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 15:09:40,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4867 states. [2022-12-13 15:09:40,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4867 to 3560. [2022-12-13 15:09:40,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3560 states, 2606 states have (on average 1.3069838833461243) internal successors, (3406), 2651 states have internal predecessors, (3406), 702 states have call successors, (702), 248 states have call predecessors, (702), 251 states have return successors, (716), 687 states have call predecessors, (716), 700 states have call successors, (716) [2022-12-13 15:09:40,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3560 states to 3560 states and 4824 transitions. [2022-12-13 15:09:40,473 INFO L78 Accepts]: Start accepts. Automaton has 3560 states and 4824 transitions. Word has length 214 [2022-12-13 15:09:40,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:09:40,473 INFO L495 AbstractCegarLoop]: Abstraction has 3560 states and 4824 transitions. [2022-12-13 15:09:40,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 15:09:40,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3560 states and 4824 transitions. [2022-12-13 15:09:40,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-12-13 15:09:40,478 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:09:40,478 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:09:40,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-12-13 15:09:40,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:09:40,679 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:09:40,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:09:40,679 INFO L85 PathProgramCache]: Analyzing trace with hash 482310338, now seen corresponding path program 1 times [2022-12-13 15:09:40,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:09:40,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1265047809] [2022-12-13 15:09:40,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:09:40,681 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:09:40,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:09:40,682 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:09:40,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-13 15:09:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:41,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 1944 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 15:09:41,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:09:41,804 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-12-13 15:09:41,804 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:09:41,804 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:09:41,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1265047809] [2022-12-13 15:09:41,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1265047809] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:09:41,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:09:41,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:09:41,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889425428] [2022-12-13 15:09:41,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:09:41,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:09:41,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:09:41,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:09:41,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:09:41,807 INFO L87 Difference]: Start difference. First operand 3560 states and 4824 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 15:09:42,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:09:42,527 INFO L93 Difference]: Finished difference Result 7141 states and 9705 transitions. [2022-12-13 15:09:42,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:09:42,528 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 220 [2022-12-13 15:09:42,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:09:42,539 INFO L225 Difference]: With dead ends: 7141 [2022-12-13 15:09:42,539 INFO L226 Difference]: Without dead ends: 3564 [2022-12-13 15:09:42,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:09:42,547 INFO L413 NwaCegarLoop]: 1730 mSDtfsCounter, 6 mSDsluCounter, 6892 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 8622 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:09:42,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 8622 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 15:09:42,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2022-12-13 15:09:42,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3564. [2022-12-13 15:09:42,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3564 states, 2610 states have (on average 1.3065134099616857) internal successors, (3410), 2655 states have internal predecessors, (3410), 702 states have call successors, (702), 248 states have call predecessors, (702), 251 states have return successors, (716), 687 states have call predecessors, (716), 700 states have call successors, (716) [2022-12-13 15:09:42,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 4828 transitions. [2022-12-13 15:09:42,645 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 4828 transitions. Word has length 220 [2022-12-13 15:09:42,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:09:42,646 INFO L495 AbstractCegarLoop]: Abstraction has 3564 states and 4828 transitions. [2022-12-13 15:09:42,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 15:09:42,646 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 4828 transitions. [2022-12-13 15:09:42,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-12-13 15:09:42,650 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:09:42,650 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:09:42,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-13 15:09:42,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:09:42,852 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:09:42,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:09:42,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1195412617, now seen corresponding path program 1 times [2022-12-13 15:09:42,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:09:42,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [880241329] [2022-12-13 15:09:42,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:09:42,855 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:09:42,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:09:42,857 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:09:42,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-13 15:09:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:43,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 1955 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 15:09:43,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:09:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-12-13 15:09:44,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:09:45,157 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-12-13 15:09:45,158 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:09:45,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [880241329] [2022-12-13 15:09:45,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [880241329] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:09:45,158 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 15:09:45,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-12-13 15:09:45,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075848888] [2022-12-13 15:09:45,158 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 15:09:45,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 15:09:45,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:09:45,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 15:09:45,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-13 15:09:45,160 INFO L87 Difference]: Start difference. First operand 3564 states and 4828 transitions. Second operand has 11 states, 9 states have (on average 15.0) internal successors, (135), 11 states have internal predecessors, (135), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-12-13 15:09:46,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:09:46,210 INFO L93 Difference]: Finished difference Result 7169 states and 9737 transitions. [2022-12-13 15:09:46,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 15:09:46,210 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 15.0) internal successors, (135), 11 states have internal predecessors, (135), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 221 [2022-12-13 15:09:46,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:09:46,221 INFO L225 Difference]: With dead ends: 7169 [2022-12-13 15:09:46,221 INFO L226 Difference]: Without dead ends: 3588 [2022-12-13 15:09:46,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-12-13 15:09:46,229 INFO L413 NwaCegarLoop]: 1731 mSDtfsCounter, 11 mSDsluCounter, 8622 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 10353 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:09:46,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 10353 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 15:09:46,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3588 states. [2022-12-13 15:09:46,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3588 to 3588. [2022-12-13 15:09:46,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3588 states, 2626 states have (on average 1.3046458492003046) internal successors, (3426), 2671 states have internal predecessors, (3426), 706 states have call successors, (706), 252 states have call predecessors, (706), 255 states have return successors, (720), 691 states have call predecessors, (720), 704 states have call successors, (720) [2022-12-13 15:09:46,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3588 states to 3588 states and 4852 transitions. [2022-12-13 15:09:46,325 INFO L78 Accepts]: Start accepts. Automaton has 3588 states and 4852 transitions. Word has length 221 [2022-12-13 15:09:46,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:09:46,325 INFO L495 AbstractCegarLoop]: Abstraction has 3588 states and 4852 transitions. [2022-12-13 15:09:46,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 15.0) internal successors, (135), 11 states have internal predecessors, (135), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-12-13 15:09:46,326 INFO L276 IsEmpty]: Start isEmpty. Operand 3588 states and 4852 transitions. [2022-12-13 15:09:46,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-12-13 15:09:46,330 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:09:46,330 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:09:46,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-13 15:09:46,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:09:46,531 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:09:46,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:09:46,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1665216670, now seen corresponding path program 2 times [2022-12-13 15:09:46,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:09:46,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [870636158] [2022-12-13 15:09:46,533 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 15:09:46,533 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:09:46,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:09:46,534 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:09:46,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-13 15:10:01,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 15:10:01,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 15:10:01,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 1966 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:10:01,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:10:01,783 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-12-13 15:10:01,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:10:01,783 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:10:01,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [870636158] [2022-12-13 15:10:01,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [870636158] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:10:01,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:10:01,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:10:01,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521602629] [2022-12-13 15:10:01,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:10:01,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:10:01,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:10:01,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:10:01,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:10:01,785 INFO L87 Difference]: Start difference. First operand 3588 states and 4852 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-13 15:10:02,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:10:02,859 INFO L93 Difference]: Finished difference Result 9496 states and 12831 transitions. [2022-12-13 15:10:02,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:10:02,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 222 [2022-12-13 15:10:02,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:10:02,876 INFO L225 Difference]: With dead ends: 9496 [2022-12-13 15:10:02,876 INFO L226 Difference]: Without dead ends: 5911 [2022-12-13 15:10:02,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:10:02,883 INFO L413 NwaCegarLoop]: 2610 mSDtfsCounter, 1677 mSDsluCounter, 1550 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1677 SdHoareTripleChecker+Valid, 4160 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:10:02,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1677 Valid, 4160 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 15:10:02,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5911 states. [2022-12-13 15:10:03,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5911 to 5893. [2022-12-13 15:10:03,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5893 states, 4303 states have (on average 1.3004880316058565) internal successors, (5596), 4383 states have internal predecessors, (5596), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 425 states have return successors, (1191), 1134 states have call predecessors, (1191), 1162 states have call successors, (1191) [2022-12-13 15:10:03,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5893 states to 5893 states and 7951 transitions. [2022-12-13 15:10:03,047 INFO L78 Accepts]: Start accepts. Automaton has 5893 states and 7951 transitions. Word has length 222 [2022-12-13 15:10:03,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:10:03,047 INFO L495 AbstractCegarLoop]: Abstraction has 5893 states and 7951 transitions. [2022-12-13 15:10:03,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-13 15:10:03,048 INFO L276 IsEmpty]: Start isEmpty. Operand 5893 states and 7951 transitions. [2022-12-13 15:10:03,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-12-13 15:10:03,053 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:10:03,053 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:10:03,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-12-13 15:10:03,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:10:03,255 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:10:03,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:10:03,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1445346466, now seen corresponding path program 1 times [2022-12-13 15:10:03,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:10:03,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974540952] [2022-12-13 15:10:03,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:10:03,257 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:10:03,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:10:03,258 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:10:03,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-12-13 15:10:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:04,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 2187 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 15:10:04,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:10:04,799 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-12-13 15:10:04,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:10:06,110 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-12-13 15:10:06,110 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:10:06,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974540952] [2022-12-13 15:10:06,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [974540952] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:10:06,111 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 15:10:06,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-12-13 15:10:06,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979866680] [2022-12-13 15:10:06,111 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 15:10:06,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 15:10:06,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:10:06,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 15:10:06,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-12-13 15:10:06,112 INFO L87 Difference]: Start difference. First operand 5893 states and 7951 transitions. Second operand has 13 states, 11 states have (on average 15.363636363636363) internal successors, (169), 13 states have internal predecessors, (169), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-12-13 15:10:07,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:10:07,521 INFO L93 Difference]: Finished difference Result 11837 states and 16007 transitions. [2022-12-13 15:10:07,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 15:10:07,521 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 15.363636363636363) internal successors, (169), 13 states have internal predecessors, (169), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 253 [2022-12-13 15:10:07,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:10:07,536 INFO L225 Difference]: With dead ends: 11837 [2022-12-13 15:10:07,536 INFO L226 Difference]: Without dead ends: 5899 [2022-12-13 15:10:07,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-12-13 15:10:07,548 INFO L413 NwaCegarLoop]: 1731 mSDtfsCounter, 9 mSDsluCounter, 13795 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 15526 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:10:07,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 15526 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 15:10:07,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5899 states. [2022-12-13 15:10:07,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5899 to 5899. [2022-12-13 15:10:07,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5899 states, 4309 states have (on average 1.3000696217219772) internal successors, (5602), 4389 states have internal predecessors, (5602), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 425 states have return successors, (1191), 1134 states have call predecessors, (1191), 1162 states have call successors, (1191) [2022-12-13 15:10:07,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5899 states to 5899 states and 7957 transitions. [2022-12-13 15:10:07,722 INFO L78 Accepts]: Start accepts. Automaton has 5899 states and 7957 transitions. Word has length 253 [2022-12-13 15:10:07,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:10:07,722 INFO L495 AbstractCegarLoop]: Abstraction has 5899 states and 7957 transitions. [2022-12-13 15:10:07,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 15.363636363636363) internal successors, (169), 13 states have internal predecessors, (169), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-12-13 15:10:07,723 INFO L276 IsEmpty]: Start isEmpty. Operand 5899 states and 7957 transitions. [2022-12-13 15:10:07,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-12-13 15:10:07,729 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:10:07,729 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:10:07,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-12-13 15:10:07,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:10:07,930 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:10:07,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:10:07,930 INFO L85 PathProgramCache]: Analyzing trace with hash 112636745, now seen corresponding path program 2 times [2022-12-13 15:10:07,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:10:07,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1273774061] [2022-12-13 15:10:07,931 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 15:10:07,932 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:10:07,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:10:07,932 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:10:07,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-12-13 15:10:08,794 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 15:10:08,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 15:10:08,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 1800 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-13 15:10:08,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:10:09,632 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-12-13 15:10:09,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:10:09,633 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:10:09,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1273774061] [2022-12-13 15:10:09,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1273774061] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:10:09,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:10:09,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 15:10:09,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823934816] [2022-12-13 15:10:09,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:10:09,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 15:10:09,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:10:09,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 15:10:09,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:10:09,636 INFO L87 Difference]: Start difference. First operand 5899 states and 7957 transitions. Second operand has 10 states, 10 states have (on average 13.0) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (26), 5 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 15:10:10,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:10:10,433 INFO L93 Difference]: Finished difference Result 13600 states and 18722 transitions. [2022-12-13 15:10:10,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 15:10:10,434 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (26), 5 states have call predecessors, (26), 2 states have call successors, (26) Word has length 254 [2022-12-13 15:10:10,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:10:10,451 INFO L225 Difference]: With dead ends: 13600 [2022-12-13 15:10:10,452 INFO L226 Difference]: Without dead ends: 7704 [2022-12-13 15:10:10,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-12-13 15:10:10,467 INFO L413 NwaCegarLoop]: 2220 mSDtfsCounter, 352 mSDsluCounter, 17327 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 19547 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:10:10,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 19547 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 15:10:10,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7704 states. [2022-12-13 15:10:10,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7704 to 5921. [2022-12-13 15:10:10,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5921 states, 4325 states have (on average 1.2989595375722542) internal successors, (5618), 4405 states have internal predecessors, (5618), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1215), 1140 states have call predecessors, (1215), 1162 states have call successors, (1215) [2022-12-13 15:10:10,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5921 states to 5921 states and 7997 transitions. [2022-12-13 15:10:10,713 INFO L78 Accepts]: Start accepts. Automaton has 5921 states and 7997 transitions. Word has length 254 [2022-12-13 15:10:10,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:10:10,713 INFO L495 AbstractCegarLoop]: Abstraction has 5921 states and 7997 transitions. [2022-12-13 15:10:10,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (26), 5 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 15:10:10,713 INFO L276 IsEmpty]: Start isEmpty. Operand 5921 states and 7997 transitions. [2022-12-13 15:10:10,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-12-13 15:10:10,718 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:10:10,719 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:10:10,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-12-13 15:10:10,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:10:10,920 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:10:10,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:10:10,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1722017541, now seen corresponding path program 1 times [2022-12-13 15:10:10,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:10:10,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1558093877] [2022-12-13 15:10:10,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:10:10,922 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:10:10,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:10:10,922 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:10:10,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-12-13 15:10:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:12,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 2241 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 15:10:12,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:10:12,504 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 52 proven. 6 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-12-13 15:10:12,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:10:14,350 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-12-13 15:10:14,350 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:10:14,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1558093877] [2022-12-13 15:10:14,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1558093877] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:10:14,350 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 15:10:14,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-12-13 15:10:14,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133456271] [2022-12-13 15:10:14,351 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 15:10:14,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 15:10:14,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:10:14,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 15:10:14,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-12-13 15:10:14,353 INFO L87 Difference]: Start difference. First operand 5921 states and 7997 transitions. Second operand has 15 states, 13 states have (on average 14.384615384615385) internal successors, (187), 15 states have internal predecessors, (187), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2022-12-13 15:10:16,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:10:16,214 INFO L93 Difference]: Finished difference Result 11893 states and 16099 transitions. [2022-12-13 15:10:16,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 15:10:16,215 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 14.384615384615385) internal successors, (187), 15 states have internal predecessors, (187), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 274 [2022-12-13 15:10:16,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:10:16,227 INFO L225 Difference]: With dead ends: 11893 [2022-12-13 15:10:16,227 INFO L226 Difference]: Without dead ends: 5927 [2022-12-13 15:10:16,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2022-12-13 15:10:16,236 INFO L413 NwaCegarLoop]: 1731 mSDtfsCounter, 7 mSDsluCounter, 15522 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 17253 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:10:16,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 17253 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 15:10:16,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5927 states. [2022-12-13 15:10:16,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5927 to 5927. [2022-12-13 15:10:16,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5927 states, 4331 states have (on average 1.2985453705841608) internal successors, (5624), 4411 states have internal predecessors, (5624), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1215), 1140 states have call predecessors, (1215), 1162 states have call successors, (1215) [2022-12-13 15:10:16,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5927 states to 5927 states and 8003 transitions. [2022-12-13 15:10:16,399 INFO L78 Accepts]: Start accepts. Automaton has 5927 states and 8003 transitions. Word has length 274 [2022-12-13 15:10:16,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:10:16,400 INFO L495 AbstractCegarLoop]: Abstraction has 5927 states and 8003 transitions. [2022-12-13 15:10:16,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 14.384615384615385) internal successors, (187), 15 states have internal predecessors, (187), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2022-12-13 15:10:16,400 INFO L276 IsEmpty]: Start isEmpty. Operand 5927 states and 8003 transitions. [2022-12-13 15:10:16,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-12-13 15:10:16,405 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:10:16,405 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:10:16,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-12-13 15:10:16,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:10:16,606 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:10:16,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:10:16,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1095018490, now seen corresponding path program 2 times [2022-12-13 15:10:16,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:10:16,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1655675384] [2022-12-13 15:10:16,608 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 15:10:16,608 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:10:16,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:10:16,609 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:10:16,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-12-13 15:10:17,528 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 15:10:17,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 15:10:17,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 1649 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 15:10:17,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:10:17,758 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2022-12-13 15:10:17,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:10:17,758 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:10:17,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1655675384] [2022-12-13 15:10:17,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1655675384] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:10:17,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:10:17,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:10:17,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825884926] [2022-12-13 15:10:17,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:10:17,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:10:17,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:10:17,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:10:17,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:10:17,760 INFO L87 Difference]: Start difference. First operand 5927 states and 8003 transitions. Second operand has 6 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-13 15:10:18,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:10:18,634 INFO L93 Difference]: Finished difference Result 13612 states and 18736 transitions. [2022-12-13 15:10:18,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:10:18,635 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 275 [2022-12-13 15:10:18,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:10:18,652 INFO L225 Difference]: With dead ends: 13612 [2022-12-13 15:10:18,652 INFO L226 Difference]: Without dead ends: 7688 [2022-12-13 15:10:18,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:10:18,665 INFO L413 NwaCegarLoop]: 2222 mSDtfsCounter, 351 mSDsluCounter, 8442 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 10664 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 15:10:18,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 10664 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 15:10:18,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7688 states. [2022-12-13 15:10:18,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7688 to 5927. [2022-12-13 15:10:18,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5927 states, 4331 states have (on average 1.2980835834680213) internal successors, (5622), 4411 states have internal predecessors, (5622), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1215), 1140 states have call predecessors, (1215), 1162 states have call successors, (1215) [2022-12-13 15:10:18,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5927 states to 5927 states and 8001 transitions. [2022-12-13 15:10:18,878 INFO L78 Accepts]: Start accepts. Automaton has 5927 states and 8001 transitions. Word has length 275 [2022-12-13 15:10:18,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:10:18,878 INFO L495 AbstractCegarLoop]: Abstraction has 5927 states and 8001 transitions. [2022-12-13 15:10:18,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-13 15:10:18,879 INFO L276 IsEmpty]: Start isEmpty. Operand 5927 states and 8001 transitions. [2022-12-13 15:10:18,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-12-13 15:10:18,884 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:10:18,884 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:10:18,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-12-13 15:10:19,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:10:19,085 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:10:19,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:10:19,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1971037496, now seen corresponding path program 1 times [2022-12-13 15:10:19,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:10:19,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1137242855] [2022-12-13 15:10:19,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:10:19,087 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:10:19,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:10:19,088 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:10:19,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-12-13 15:11:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:11:15,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:14:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:14:55,295 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 15:14:55,296 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 15:14:55,296 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 15:14:55,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-12-13 15:14:55,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:14:55,508 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:14:55,517 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:14:55,597 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-12-13 15:14:55,657 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Expected only CPrimitive but got ~xen_domain_type~0 at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:360) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBitvecLiteral(CACSL2BoogieBacktranslator.java:1258) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1067) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramStateEntry(CACSL2BoogieBacktranslator.java:659) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramState(CACSL2BoogieBacktranslator.java:634) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramExecution(CACSL2BoogieBacktranslator.java:301) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:217) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:582) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-13 15:14:55,660 INFO L158 Benchmark]: Toolchain (without parser) took 369995.81ms. Allocated memory was 73.4MB in the beginning and 635.4MB in the end (delta: 562.0MB). Free memory was 34.7MB in the beginning and 437.6MB in the end (delta: -402.9MB). Peak memory consumption was 479.6MB. Max. memory is 16.1GB. [2022-12-13 15:14:55,660 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory is still 35.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:14:55,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3629.23ms. Allocated memory was 73.4MB in the beginning and 635.4MB in the end (delta: 562.0MB). Free memory was 34.5MB in the beginning and 499.5MB in the end (delta: -465.0MB). Peak memory consumption was 110.4MB. Max. memory is 16.1GB. [2022-12-13 15:14:55,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 159.15ms. Allocated memory is still 635.4MB. Free memory was 499.5MB in the beginning and 473.3MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 15:14:55,661 INFO L158 Benchmark]: Boogie Preprocessor took 139.32ms. Allocated memory is still 635.4MB. Free memory was 473.3MB in the beginning and 444.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-13 15:14:55,661 INFO L158 Benchmark]: RCFGBuilder took 40216.85ms. Allocated memory is still 635.4MB. Free memory was 444.0MB in the beginning and 199.9MB in the end (delta: 244.0MB). Peak memory consumption was 307.6MB. Max. memory is 16.1GB. [2022-12-13 15:14:55,661 INFO L158 Benchmark]: TraceAbstraction took 325846.48ms. Allocated memory is still 635.4MB. Free memory was 198.9MB in the beginning and 437.6MB in the end (delta: -238.7MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2022-12-13 15:14:55,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory is still 35.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3629.23ms. Allocated memory was 73.4MB in the beginning and 635.4MB in the end (delta: 562.0MB). Free memory was 34.5MB in the beginning and 499.5MB in the end (delta: -465.0MB). Peak memory consumption was 110.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 159.15ms. Allocated memory is still 635.4MB. Free memory was 499.5MB in the beginning and 473.3MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 139.32ms. Allocated memory is still 635.4MB. Free memory was 473.3MB in the beginning and 444.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * RCFGBuilder took 40216.85ms. Allocated memory is still 635.4MB. Free memory was 444.0MB in the beginning and 199.9MB in the end (delta: 244.0MB). Peak memory consumption was 307.6MB. Max. memory is 16.1GB. * TraceAbstraction took 325846.48ms. Allocated memory is still 635.4MB. Free memory was 198.9MB in the beginning and 437.6MB in the end (delta: -238.7MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * 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 - ExceptionOrErrorResult: AssertionError: Expected only CPrimitive but got ~xen_domain_type~0 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Expected only CPrimitive but got ~xen_domain_type~0: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:360) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-13 15:14:55,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc6b38e-e5b2-49de-a3ee-93804b1ed43b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Expected only CPrimitive but got ~xen_domain_type~0