./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash deb1ab2dfee1720097b2641f46d2c4bfdc556bdc54a3c09b9a590ecca720241b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:28:32,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:28:32,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:28:32,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:28:32,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:28:32,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:28:32,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:28:32,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:28:32,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:28:32,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:28:32,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:28:32,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:28:32,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:28:32,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:28:32,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:28:32,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:28:32,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:28:32,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:28:32,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:28:32,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:28:32,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:28:32,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:28:32,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:28:32,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:28:32,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:28:32,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:28:32,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:28:32,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:28:32,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:28:32,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:28:32,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:28:32,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:28:32,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:28:32,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:28:32,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:28:32,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:28:32,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:28:32,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:28:32,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:28:32,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:28:32,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:28:32,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:28:32,371 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:28:32,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:28:32,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:28:32,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:28:32,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:28:32,373 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:28:32,373 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:28:32,373 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:28:32,374 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:28:32,374 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:28:32,375 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:28:32,375 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:28:32,375 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:28:32,375 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:28:32,375 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:28:32,376 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:28:32,376 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:28:32,376 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:28:32,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:28:32,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:28:32,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:28:32,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:28:32,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:28:32,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:28:32,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:28:32,378 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:28:32,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:28:32,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:28:32,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:28:32,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:28:32,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:28:32,380 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:28:32,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:28:32,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:28:32,380 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:28:32,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:28:32,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:28:32,381 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:28:32,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deb1ab2dfee1720097b2641f46d2c4bfdc556bdc54a3c09b9a590ecca720241b [2022-11-25 22:28:32,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:28:32,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:28:32,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:28:32,714 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:28:32,714 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:28:32,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2022-11-25 22:28:35,697 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:28:36,451 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:28:36,452 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2022-11-25 22:28:36,525 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/data/01f1f7d1b/dc1b299d166d45f3940b4f95c1aa0267/FLAG0dd6c45ff [2022-11-25 22:28:36,544 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/data/01f1f7d1b/dc1b299d166d45f3940b4f95c1aa0267 [2022-11-25 22:28:36,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:28:36,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:28:36,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:28:36,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:28:36,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:28:36,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:28:36" (1/1) ... [2022-11-25 22:28:36,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a4433e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:36, skipping insertion in model container [2022-11-25 22:28:36,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:28:36" (1/1) ... [2022-11-25 22:28:36,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:28:36,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:28:38,333 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-11-25 22:28:38,347 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-11-25 22:28:38,391 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:28:38,419 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:28:38,447 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 22:28:38,483 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:28:38,697 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:28:38,703 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:28:38,703 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 22:28:38,714 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 22:28:38,724 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 22:28:38,732 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 22:28:38,754 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:28:38,757 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 22:28:38,765 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 22:28:38,772 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 22:28:38,864 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 22:28:38,911 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 22:28:38,988 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-25 22:28:38,995 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-25 22:28:39,003 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:28:39,004 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:28:39,044 WARN L623 FunctionHandler]: Unknown extern function dql_completed [2022-11-25 22:28:39,045 WARN L623 FunctionHandler]: Unknown extern function netif_schedule_queue [2022-11-25 22:28:39,056 WARN L623 FunctionHandler]: Unknown extern function dql_reset [2022-11-25 22:28:39,078 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 22:28:39,121 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:28:39,122 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:28:39,123 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:28:39,124 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:28:39,125 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 22:28:39,221 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_range [2022-11-25 22:28:39,342 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-25 22:28:39,536 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:28:39,537 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:28:39,538 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:28:39,595 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:28:39,596 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 22:28:39,599 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-11-25 22:28:39,621 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:28:39,622 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:28:39,658 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:28:39,678 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 22:28:39,722 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_544 [2022-11-25 22:28:39,723 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_553 [2022-11-25 22:28:39,725 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:28:39,725 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:28:39,733 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 22:28:39,739 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-11-25 22:28:39,740 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:28:39,740 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:28:39,760 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-25 22:28:39,768 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 22:28:39,775 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 22:28:39,789 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:39,804 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:28:39,804 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-11-25 22:28:39,830 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:28:39,831 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-25 22:28:39,843 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-11-25 22:28:39,850 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 22:28:39,856 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:28:39,883 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:28:39,885 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:28:39,981 WARN L623 FunctionHandler]: Unknown extern function mdio_mii_ioctl [2022-11-25 22:28:40,003 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-25 22:28:40,010 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:28:40,012 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:40,012 WARN L623 FunctionHandler]: Unknown extern function pci_select_bars [2022-11-25 22:28:40,013 WARN L623 FunctionHandler]: Unknown extern function pci_request_selected_regions [2022-11-25 22:28:40,014 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:40,014 WARN L623 FunctionHandler]: Unknown extern function pci_enable_pcie_error_reporting [2022-11-25 22:28:40,015 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:28:40,015 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:40,019 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:28:40,020 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:28:40,021 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:28:40,028 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-11-25 22:28:40,028 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:40,030 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:40,031 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:40,031 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:40,032 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:28:40,034 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:40,035 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 22:28:40,036 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:28:40,036 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 22:28:40,038 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:28:40,038 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:28:40,039 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:40,039 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:28:40,040 WARN L623 FunctionHandler]: Unknown extern function pci_release_selected_regions [2022-11-25 22:28:40,041 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:28:40,053 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 22:28:40,053 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 22:28:40,054 WARN L623 FunctionHandler]: Unknown extern function pci_select_bars [2022-11-25 22:28:40,054 WARN L623 FunctionHandler]: Unknown extern function pci_release_selected_regions [2022-11-25 22:28:40,054 WARN L623 FunctionHandler]: Unknown extern function pci_disable_pcie_error_reporting [2022-11-25 22:28:40,055 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:28:40,062 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 22:28:40,069 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 22:28:40,077 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:28:40,078 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 22:28:40,078 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:28:40,085 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:28:40,085 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:28:40,086 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:40,086 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:28:40,086 WARN L623 FunctionHandler]: Unknown extern function pci_cleanup_aer_uncorrect_error_status [2022-11-25 22:28:40,093 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:28:40,094 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 22:28:40,570 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 22:28:40,607 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:28:40,608 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:28:40,611 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:28:40,611 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:28:40,612 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 22:28:40,612 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 22:28:40,612 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 22:28:40,612 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 22:28:40,613 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 22:28:40,614 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 22:28:40,614 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:28:40,615 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 22:28:40,615 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:28:40,616 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 22:28:40,616 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 22:28:40,616 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 22:28:40,617 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 22:28:40,617 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 22:28:40,617 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 22:28:40,617 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 22:28:40,618 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 22:28:40,619 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:28:40,619 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:28:40,702 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_119 [2022-11-25 22:28:40,702 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_120 [2022-11-25 22:28:40,703 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_121 [2022-11-25 22:28:40,703 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_122 [2022-11-25 22:28:40,704 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_123 [2022-11-25 22:28:40,720 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:28:40,722 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-25 22:28:40,738 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:28:40,739 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-25 22:28:40,765 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_274 [2022-11-25 22:28:40,773 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:28:40,790 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 22:28:40,875 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-25 22:28:40,882 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-25 22:28:40,950 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:41,028 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:41,029 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:41,037 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-25 22:28:41,038 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-25 22:28:41,055 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:41,061 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:41,062 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:41,064 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:41,065 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:41,065 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:41,066 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:41,067 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:41,068 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:41,069 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:41,073 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:41,093 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:41,096 WARN L623 FunctionHandler]: Unknown extern function pcie_get_readrq [2022-11-25 22:28:41,096 WARN L623 FunctionHandler]: Unknown extern function pcie_set_readrq [2022-11-25 22:28:41,700 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:28:41,983 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:28:42,967 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524188,524201] [2022-11-25 22:28:42,972 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524333,524346] [2022-11-25 22:28:42,972 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524479,524492] [2022-11-25 22:28:42,973 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524644,524657] [2022-11-25 22:28:42,974 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524802,524815] [2022-11-25 22:28:42,974 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524960,524973] [2022-11-25 22:28:42,975 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525118,525131] [2022-11-25 22:28:42,978 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525278,525291] [2022-11-25 22:28:42,978 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525437,525450] [2022-11-25 22:28:42,979 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525576,525589] [2022-11-25 22:28:42,979 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525718,525731] [2022-11-25 22:28:42,980 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525867,525880] [2022-11-25 22:28:42,981 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526006,526019] [2022-11-25 22:28:42,984 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526161,526174] [2022-11-25 22:28:42,984 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526321,526334] [2022-11-25 22:28:42,991 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526472,526485] [2022-11-25 22:28:42,992 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526623,526636] [2022-11-25 22:28:42,992 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526775,526788] [2022-11-25 22:28:42,993 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526924,526937] [2022-11-25 22:28:42,993 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527072,527085] [2022-11-25 22:28:42,994 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527229,527242] [2022-11-25 22:28:42,994 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527378,527391] [2022-11-25 22:28:42,994 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527534,527547] [2022-11-25 22:28:42,995 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527687,527700] [2022-11-25 22:28:42,995 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527833,527846] [2022-11-25 22:28:42,996 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527976,527989] [2022-11-25 22:28:42,996 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528128,528141] [2022-11-25 22:28:42,997 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528274,528287] [2022-11-25 22:28:42,997 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528419,528432] [2022-11-25 22:28:42,999 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528573,528586] [2022-11-25 22:28:43,004 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528724,528737] [2022-11-25 22:28:43,006 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528879,528892] [2022-11-25 22:28:43,007 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529031,529044] [2022-11-25 22:28:43,007 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529186,529199] [2022-11-25 22:28:43,008 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529350,529363] [2022-11-25 22:28:43,008 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529506,529519] [2022-11-25 22:28:43,009 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529670,529683] [2022-11-25 22:28:43,010 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529812,529825] [2022-11-25 22:28:43,011 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529970,529983] [2022-11-25 22:28:43,011 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530137,530150] [2022-11-25 22:28:43,012 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530296,530309] [2022-11-25 22:28:43,013 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530455,530468] [2022-11-25 22:28:43,015 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530604,530617] [2022-11-25 22:28:43,016 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530751,530764] [2022-11-25 22:28:43,017 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530890,530903] [2022-11-25 22:28:43,019 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531053,531066] [2022-11-25 22:28:43,020 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531219,531232] [2022-11-25 22:28:43,021 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531383,531396] [2022-11-25 22:28:43,022 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531548,531561] [2022-11-25 22:28:43,025 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531713,531726] [2022-11-25 22:28:43,025 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531879,531892] [2022-11-25 22:28:43,026 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532044,532057] [2022-11-25 22:28:43,027 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532211,532224] [2022-11-25 22:28:43,028 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532371,532384] [2022-11-25 22:28:43,028 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532533,532546] [2022-11-25 22:28:43,029 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532692,532705] [2022-11-25 22:28:43,029 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532838,532851] [2022-11-25 22:28:43,030 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532981,532994] [2022-11-25 22:28:43,030 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533125,533138] [2022-11-25 22:28:43,031 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533268,533281] [2022-11-25 22:28:43,032 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533412,533425] [2022-11-25 22:28:43,033 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533553,533566] [2022-11-25 22:28:43,033 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533691,533704] [2022-11-25 22:28:43,034 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533849,533862] [2022-11-25 22:28:43,035 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534008,534021] [2022-11-25 22:28:43,035 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534164,534177] [2022-11-25 22:28:43,036 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534313,534326] [2022-11-25 22:28:43,036 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534465,534478] [2022-11-25 22:28:43,037 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534616,534629] [2022-11-25 22:28:43,037 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534765,534778] [2022-11-25 22:28:43,038 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534917,534930] [2022-11-25 22:28:43,039 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535065,535078] [2022-11-25 22:28:43,039 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535218,535231] [2022-11-25 22:28:43,042 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535369,535382] [2022-11-25 22:28:43,043 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535519,535532] [2022-11-25 22:28:43,043 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535666,535679] [2022-11-25 22:28:43,044 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535817,535830] [2022-11-25 22:28:43,044 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535968,535981] [2022-11-25 22:28:43,045 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536116,536129] [2022-11-25 22:28:43,045 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536282,536295] [2022-11-25 22:28:43,046 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536451,536464] [2022-11-25 22:28:43,046 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536618,536631] [2022-11-25 22:28:43,048 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536786,536799] [2022-11-25 22:28:43,049 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536936,536949] [2022-11-25 22:28:43,049 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537083,537096] [2022-11-25 22:28:43,050 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537244,537257] [2022-11-25 22:28:43,050 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537414,537427] [2022-11-25 22:28:43,052 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537576,537589] [2022-11-25 22:28:43,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:28:43,200 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:28:43,347 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-11-25 22:28:43,348 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-11-25 22:28:43,348 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:28:43,349 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:28:43,349 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 22:28:43,350 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:28:43,356 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:28:43,358 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:28:43,358 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 22:28:43,362 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 22:28:43,363 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 22:28:43,364 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 22:28:43,367 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:28:43,371 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 22:28:43,372 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 22:28:43,373 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 22:28:43,375 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 22:28:43,377 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 22:28:43,380 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-25 22:28:43,381 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-25 22:28:43,382 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:28:43,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:28:43,384 WARN L623 FunctionHandler]: Unknown extern function dql_completed [2022-11-25 22:28:43,389 WARN L623 FunctionHandler]: Unknown extern function netif_schedule_queue [2022-11-25 22:28:43,390 WARN L623 FunctionHandler]: Unknown extern function dql_reset [2022-11-25 22:28:43,391 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 22:28:43,449 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:28:43,450 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:28:43,450 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:28:43,451 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:28:43,451 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 22:28:43,452 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_range [2022-11-25 22:28:43,454 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-25 22:28:43,462 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:28:43,463 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:28:43,463 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:28:43,469 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:28:43,470 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 22:28:43,471 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-11-25 22:28:43,476 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:28:43,477 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:28:43,481 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:28:43,483 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 22:28:43,494 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_544 [2022-11-25 22:28:43,495 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_553 [2022-11-25 22:28:43,495 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:28:43,496 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:28:43,497 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 22:28:43,497 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-11-25 22:28:43,497 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:28:43,497 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:28:43,498 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-25 22:28:43,499 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 22:28:43,500 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 22:28:43,501 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:43,512 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:28:43,512 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-11-25 22:28:43,513 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:28:43,513 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-25 22:28:43,514 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-11-25 22:28:43,515 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 22:28:43,515 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:28:43,518 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:28:43,519 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:28:43,530 WARN L623 FunctionHandler]: Unknown extern function mdio_mii_ioctl [2022-11-25 22:28:43,534 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-25 22:28:43,535 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:28:43,536 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:43,536 WARN L623 FunctionHandler]: Unknown extern function pci_select_bars [2022-11-25 22:28:43,537 WARN L623 FunctionHandler]: Unknown extern function pci_request_selected_regions [2022-11-25 22:28:43,537 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:43,537 WARN L623 FunctionHandler]: Unknown extern function pci_enable_pcie_error_reporting [2022-11-25 22:28:43,538 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:28:43,538 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:43,540 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:28:43,541 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:28:43,541 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:28:43,542 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-11-25 22:28:43,542 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:43,543 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:43,544 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:43,544 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:43,545 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:28:43,546 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:43,547 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 22:28:43,547 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:28:43,548 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 22:28:43,548 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:28:43,549 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:28:43,549 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:43,549 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:28:43,550 WARN L623 FunctionHandler]: Unknown extern function pci_release_selected_regions [2022-11-25 22:28:43,550 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:28:43,551 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 22:28:43,551 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 22:28:43,552 WARN L623 FunctionHandler]: Unknown extern function pci_select_bars [2022-11-25 22:28:43,552 WARN L623 FunctionHandler]: Unknown extern function pci_release_selected_regions [2022-11-25 22:28:43,552 WARN L623 FunctionHandler]: Unknown extern function pci_disable_pcie_error_reporting [2022-11-25 22:28:43,552 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:28:43,553 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 22:28:43,554 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 22:28:43,556 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:28:43,556 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 22:28:43,557 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:28:43,557 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:28:43,558 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:28:43,558 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:43,558 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:28:43,559 WARN L623 FunctionHandler]: Unknown extern function pci_cleanup_aer_uncorrect_error_status [2022-11-25 22:28:43,559 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:28:43,560 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 22:28:43,568 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 22:28:43,626 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:28:43,627 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:28:43,628 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:28:43,629 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:28:43,629 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 22:28:43,629 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 22:28:43,629 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 22:28:43,629 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 22:28:43,630 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 22:28:43,630 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 22:28:43,631 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:28:43,631 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 22:28:43,631 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:28:43,631 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 22:28:43,632 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 22:28:43,632 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 22:28:43,632 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 22:28:43,632 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 22:28:43,632 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 22:28:43,633 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 22:28:43,633 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 22:28:43,634 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:28:43,634 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:28:43,642 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_119 [2022-11-25 22:28:43,642 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_120 [2022-11-25 22:28:43,642 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_121 [2022-11-25 22:28:43,642 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_122 [2022-11-25 22:28:43,643 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_123 [2022-11-25 22:28:43,645 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:28:43,645 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-25 22:28:43,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:28:43,648 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-25 22:28:43,650 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_274 [2022-11-25 22:28:43,651 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:28:43,654 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 22:28:43,657 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-25 22:28:43,659 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-25 22:28:43,661 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:43,670 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:43,670 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:43,671 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-25 22:28:43,672 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-25 22:28:43,675 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:43,676 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:43,677 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:43,679 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:43,679 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:43,679 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:43,680 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:43,680 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:43,681 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:43,681 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:43,684 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:28:43,696 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:28:43,699 WARN L623 FunctionHandler]: Unknown extern function pcie_get_readrq [2022-11-25 22:28:43,699 WARN L623 FunctionHandler]: Unknown extern function pcie_set_readrq [2022-11-25 22:28:43,725 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:28:43,734 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:28:43,759 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524188,524201] [2022-11-25 22:28:43,760 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524333,524346] [2022-11-25 22:28:43,760 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524479,524492] [2022-11-25 22:28:43,761 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524644,524657] [2022-11-25 22:28:43,805 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524802,524815] [2022-11-25 22:28:43,805 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524960,524973] [2022-11-25 22:28:43,806 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525118,525131] [2022-11-25 22:28:43,806 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525278,525291] [2022-11-25 22:28:43,806 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525437,525450] [2022-11-25 22:28:43,807 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525576,525589] [2022-11-25 22:28:43,807 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525718,525731] [2022-11-25 22:28:43,807 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525867,525880] [2022-11-25 22:28:43,808 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526006,526019] [2022-11-25 22:28:43,808 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526161,526174] [2022-11-25 22:28:43,808 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526321,526334] [2022-11-25 22:28:43,808 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526472,526485] [2022-11-25 22:28:43,809 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526623,526636] [2022-11-25 22:28:43,809 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526775,526788] [2022-11-25 22:28:43,809 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526924,526937] [2022-11-25 22:28:43,810 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527072,527085] [2022-11-25 22:28:43,810 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527229,527242] [2022-11-25 22:28:43,810 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527378,527391] [2022-11-25 22:28:43,811 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527534,527547] [2022-11-25 22:28:43,811 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527687,527700] [2022-11-25 22:28:43,811 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527833,527846] [2022-11-25 22:28:43,811 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527976,527989] [2022-11-25 22:28:43,812 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528128,528141] [2022-11-25 22:28:43,812 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528274,528287] [2022-11-25 22:28:43,812 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528419,528432] [2022-11-25 22:28:43,813 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528573,528586] [2022-11-25 22:28:43,813 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528724,528737] [2022-11-25 22:28:43,813 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528879,528892] [2022-11-25 22:28:43,813 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529031,529044] [2022-11-25 22:28:43,814 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529186,529199] [2022-11-25 22:28:43,814 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529350,529363] [2022-11-25 22:28:43,814 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529506,529519] [2022-11-25 22:28:43,820 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529670,529683] [2022-11-25 22:28:43,821 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529812,529825] [2022-11-25 22:28:43,821 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529970,529983] [2022-11-25 22:28:43,822 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530137,530150] [2022-11-25 22:28:43,823 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530296,530309] [2022-11-25 22:28:43,824 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530455,530468] [2022-11-25 22:28:43,824 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530604,530617] [2022-11-25 22:28:43,825 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530751,530764] [2022-11-25 22:28:43,825 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530890,530903] [2022-11-25 22:28:43,826 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531053,531066] [2022-11-25 22:28:43,826 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531219,531232] [2022-11-25 22:28:43,826 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531383,531396] [2022-11-25 22:28:43,827 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531548,531561] [2022-11-25 22:28:43,827 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531713,531726] [2022-11-25 22:28:43,827 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531879,531892] [2022-11-25 22:28:43,828 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532044,532057] [2022-11-25 22:28:43,828 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532211,532224] [2022-11-25 22:28:43,829 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532371,532384] [2022-11-25 22:28:43,829 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532533,532546] [2022-11-25 22:28:43,829 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532692,532705] [2022-11-25 22:28:43,830 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532838,532851] [2022-11-25 22:28:43,830 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532981,532994] [2022-11-25 22:28:43,830 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533125,533138] [2022-11-25 22:28:43,831 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533268,533281] [2022-11-25 22:28:43,831 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533412,533425] [2022-11-25 22:28:43,831 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533553,533566] [2022-11-25 22:28:43,837 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533691,533704] [2022-11-25 22:28:43,838 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533849,533862] [2022-11-25 22:28:43,839 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534008,534021] [2022-11-25 22:28:43,839 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534164,534177] [2022-11-25 22:28:43,839 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534313,534326] [2022-11-25 22:28:43,840 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534465,534478] [2022-11-25 22:28:43,840 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534616,534629] [2022-11-25 22:28:43,840 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534765,534778] [2022-11-25 22:28:43,841 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534917,534930] [2022-11-25 22:28:43,841 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535065,535078] [2022-11-25 22:28:43,841 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535218,535231] [2022-11-25 22:28:43,843 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535369,535382] [2022-11-25 22:28:43,843 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535519,535532] [2022-11-25 22:28:43,844 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535666,535679] [2022-11-25 22:28:43,844 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535817,535830] [2022-11-25 22:28:43,844 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535968,535981] [2022-11-25 22:28:43,846 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536116,536129] [2022-11-25 22:28:43,847 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536282,536295] [2022-11-25 22:28:43,847 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536451,536464] [2022-11-25 22:28:43,848 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536618,536631] [2022-11-25 22:28:43,848 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536786,536799] [2022-11-25 22:28:43,848 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536936,536949] [2022-11-25 22:28:43,849 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537083,537096] [2022-11-25 22:28:43,849 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537244,537257] [2022-11-25 22:28:43,850 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537414,537427] [2022-11-25 22:28:43,850 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_bd611fc4-13f7-49f2-9d3a-905f8f626193/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537576,537589] [2022-11-25 22:28:43,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:28:44,200 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:28:44,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:44 WrapperNode [2022-11-25 22:28:44,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:28:44,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:28:44,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:28:44,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:28:44,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:44" (1/1) ... [2022-11-25 22:28:44,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:44" (1/1) ... [2022-11-25 22:28:44,721 INFO L138 Inliner]: procedures = 877, calls = 4554, calls flagged for inlining = 420, calls inlined = 325, statements flattened = 8131 [2022-11-25 22:28:44,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:28:44,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:28:44,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:28:44,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:28:44,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:44" (1/1) ... [2022-11-25 22:28:44,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:44" (1/1) ... [2022-11-25 22:28:44,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:44" (1/1) ... [2022-11-25 22:28:44,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:44" (1/1) ... [2022-11-25 22:28:45,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:44" (1/1) ... [2022-11-25 22:28:45,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:44" (1/1) ... [2022-11-25 22:28:45,077 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:44" (1/1) ... [2022-11-25 22:28:45,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:44" (1/1) ... [2022-11-25 22:28:45,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:28:45,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:28:45,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:28:45,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:28:45,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:44" (1/1) ... [2022-11-25 22:28:45,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:28:45,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:28:45,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:28:45,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:28:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_122 [2022-11-25 22:28:45,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_122 [2022-11-25 22:28:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-11-25 22:28:45,251 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-11-25 22:28:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-25 22:28:45,252 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-25 22:28:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 22:28:45,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 22:28:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_142 [2022-11-25 22:28:45,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_142 [2022-11-25 22:28:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:28:45,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:28:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-11-25 22:28:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-11-25 22:28:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 22:28:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 22:28:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 22:28:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 22:28:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-11-25 22:28:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-11-25 22:28:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-25 22:28:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-25 22:28:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-11-25 22:28:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-11-25 22:28:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-25 22:28:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-25 22:28:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-11-25 22:28:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-11-25 22:28:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-11-25 22:28:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-11-25 22:28:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-11-25 22:28:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-11-25 22:28:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-25 22:28:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-25 22:28:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-11-25 22:28:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-11-25 22:28:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-25 22:28:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-25 22:28:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-25 22:28:45,257 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-25 22:28:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 22:28:45,257 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 22:28:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-11-25 22:28:45,257 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-11-25 22:28:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-11-25 22:28:45,257 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-11-25 22:28:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 22:28:45,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 22:28:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 22:28:45,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 22:28:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:28:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 22:28:45,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 22:28:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-11-25 22:28:45,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-11-25 22:28:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 22:28:45,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 22:28:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-11-25 22:28:45,259 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-11-25 22:28:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 22:28:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 22:28:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 22:28:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 22:28:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-25 22:28:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-25 22:28:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:28:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-25 22:28:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-25 22:28:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-25 22:28:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-25 22:28:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-11-25 22:28:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-11-25 22:28:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-11-25 22:28:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-11-25 22:28:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:28:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 22:28:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 22:28:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 22:28:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 22:28:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:28:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 22:28:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-11-25 22:28:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-11-25 22:28:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-11-25 22:28:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-11-25 22:28:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-11-25 22:28:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-11-25 22:28:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-11-25 22:28:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-11-25 22:28:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 22:28:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 22:28:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_irq_lock_of_alx_priv [2022-11-25 22:28:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_irq_lock_of_alx_priv [2022-11-25 22:28:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-11-25 22:28:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-11-25 22:28:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 22:28:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 22:28:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-25 22:28:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-25 22:28:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-11-25 22:28:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-11-25 22:28:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 22:28:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 22:28:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:28:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:28:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-25 22:28:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-25 22:28:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 22:28:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-25 22:28:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-25 22:28:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-25 22:28:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-25 22:28:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-25 22:28:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-11-25 22:28:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-11-25 22:28:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-25 22:28:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-25 22:28:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-11-25 22:28:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-11-25 22:28:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:28:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:28:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-11-25 22:28:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-11-25 22:28:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-11-25 22:28:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-11-25 22:28:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-25 22:28:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-25 22:28:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-25 22:28:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-25 22:28:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_128 [2022-11-25 22:28:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_128 [2022-11-25 22:28:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-25 22:28:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-25 22:28:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 22:28:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 22:28:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-25 22:28:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-25 22:28:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:28:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 22:28:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 22:28:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 22:28:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 22:28:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-11-25 22:28:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-11-25 22:28:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:28:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-11-25 22:28:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-11-25 22:28:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-25 22:28:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-25 22:28:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 22:28:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 22:28:45,272 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-25 22:28:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-25 22:28:45,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 22:28:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 22:28:45,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 22:28:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 22:28:45,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 22:28:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 22:28:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-11-25 22:28:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-11-25 22:28:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 22:28:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 22:28:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-11-25 22:28:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-11-25 22:28:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-11-25 22:28:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-11-25 22:28:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:28:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 22:28:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 22:28:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-11-25 22:28:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-11-25 22:28:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-11-25 22:28:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-11-25 22:28:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-11-25 22:28:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-11-25 22:28:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-25 22:28:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-25 22:28:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_121 [2022-11-25 22:28:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_121 [2022-11-25 22:28:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-11-25 22:28:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-11-25 22:28:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-25 22:28:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-25 22:28:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-25 22:28:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-25 22:28:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-11-25 22:28:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-11-25 22:28:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_141 [2022-11-25 22:28:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_141 [2022-11-25 22:28:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-25 22:28:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-25 22:28:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 22:28:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 22:28:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 22:28:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 22:28:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 22:28:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 22:28:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-11-25 22:28:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-11-25 22:28:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-11-25 22:28:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-11-25 22:28:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-11-25 22:28:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-11-25 22:28:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-25 22:28:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-25 22:28:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-25 22:28:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-25 22:28:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 22:28:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 22:28:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-11-25 22:28:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-11-25 22:28:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-11-25 22:28:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-11-25 22:28:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 22:28:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 22:28:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-11-25 22:28:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-11-25 22:28:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-11-25 22:28:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-11-25 22:28:45,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 22:28:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 22:28:45,283 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-25 22:28:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-25 22:28:45,283 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 22:28:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 22:28:45,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 22:28:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 22:28:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-25 22:28:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-25 22:28:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_irq_lock_of_alx_priv [2022-11-25 22:28:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_irq_lock_of_alx_priv [2022-11-25 22:28:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-25 22:28:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-25 22:28:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:28:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-11-25 22:28:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-11-25 22:28:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-25 22:28:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-25 22:28:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-25 22:28:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-11-25 22:28:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-11-25 22:28:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 22:28:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 22:28:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 22:28:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_rtnl_is_locked [2022-11-25 22:28:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_rtnl_is_locked [2022-11-25 22:28:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-11-25 22:28:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-11-25 22:28:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-11-25 22:28:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-11-25 22:28:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 22:28:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 22:28:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 22:28:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-25 22:28:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-25 22:28:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 22:28:45,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 22:28:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-25 22:28:45,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-25 22:28:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 22:28:45,288 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 22:28:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 22:28:45,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 22:28:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-25 22:28:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-25 22:28:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-11-25 22:28:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-11-25 22:28:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 22:28:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 22:28:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-11-25 22:28:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-11-25 22:28:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-25 22:28:45,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-25 22:28:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 22:28:45,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 22:28:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-11-25 22:28:45,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-11-25 22:28:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-11-25 22:28:45,290 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-11-25 22:28:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-25 22:28:45,291 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-25 22:28:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-25 22:28:45,291 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-25 22:28:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-11-25 22:28:45,291 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-11-25 22:28:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-11-25 22:28:45,291 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-11-25 22:28:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 22:28:45,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 22:28:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 22:28:45,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 22:28:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-11-25 22:28:45,292 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-11-25 22:28:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-25 22:28:45,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-25 22:28:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-25 22:28:45,293 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-25 22:28:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 22:28:45,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 22:28:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-11-25 22:28:45,293 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-11-25 22:28:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-25 22:28:45,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-25 22:28:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 22:28:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 22:28:45,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 22:28:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-25 22:28:45,294 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-25 22:28:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:28:45,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:28:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-25 22:28:45,294 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-25 22:28:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-11-25 22:28:45,295 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-11-25 22:28:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-25 22:28:45,295 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-25 22:28:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-25 22:28:45,295 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-25 22:28:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-25 22:28:45,296 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-25 22:28:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-25 22:28:45,296 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-25 22:28:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 22:28:45,296 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 22:28:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 22:28:45,296 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 22:28:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-11-25 22:28:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-11-25 22:28:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-11-25 22:28:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-11-25 22:28:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-25 22:28:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-25 22:28:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-25 22:28:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-25 22:28:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:28:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-11-25 22:28:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-11-25 22:28:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 22:28:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 22:28:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-25 22:28:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-25 22:28:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-25 22:28:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-25 22:28:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 22:28:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 22:28:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-25 22:28:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-25 22:28:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 22:28:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 22:28:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 22:28:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 22:28:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:28:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:28:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 22:28:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 22:28:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 22:28:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 22:28:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 22:28:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 22:28:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-11-25 22:28:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-11-25 22:28:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-25 22:28:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-25 22:28:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-11-25 22:28:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-11-25 22:28:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-11-25 22:28:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-11-25 22:28:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-11-25 22:28:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-11-25 22:28:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 22:28:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 22:28:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-25 22:28:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-25 22:28:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-25 22:28:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-25 22:28:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-25 22:28:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-25 22:28:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-11-25 22:28:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-11-25 22:28:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-11-25 22:28:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-11-25 22:28:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-11-25 22:28:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-11-25 22:28:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-11-25 22:28:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-11-25 22:28:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-25 22:28:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-25 22:28:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 22:28:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 22:28:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-25 22:28:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-25 22:28:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 22:28:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 22:28:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-25 22:28:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-25 22:28:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-11-25 22:28:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-11-25 22:28:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-25 22:28:45,306 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-25 22:28:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-25 22:28:45,306 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-25 22:28:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:28:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-11-25 22:28:45,306 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-11-25 22:28:46,653 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:28:46,661 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:28:46,787 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 22:28:58,025 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:29:00,301 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:29:00,303 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-25 22:29:00,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:29:00 BoogieIcfgContainer [2022-11-25 22:29:00,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:29:00,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:29:00,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:29:00,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:29:00,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:28:36" (1/3) ... [2022-11-25 22:29:00,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b763969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:29:00, skipping insertion in model container [2022-11-25 22:29:00,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:28:44" (2/3) ... [2022-11-25 22:29:00,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b763969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:29:00, skipping insertion in model container [2022-11-25 22:29:00,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:29:00" (3/3) ... [2022-11-25 22:29:00,321 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2022-11-25 22:29:00,342 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:29:00,342 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-25 22:29:00,465 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:29:00,474 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e3b9ccc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:29:00,474 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-25 22:29:00,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 2368 states, 1301 states have (on average 1.2521137586471944) internal successors, (1629), 1389 states have internal predecessors, (1629), 847 states have call successors, (847), 193 states have call predecessors, (847), 192 states have return successors, (840), 824 states have call predecessors, (840), 840 states have call successors, (840) [2022-11-25 22:29:00,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-25 22:29:00,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:29:00,502 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:29:00,502 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:29:00,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:29:00,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1191433090, now seen corresponding path program 1 times [2022-11-25 22:29:00,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:29:00,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74884946] [2022-11-25 22:29:00,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:00,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:29:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:29:02,456 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:29:02,456 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:29:02,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74884946] [2022-11-25 22:29:02,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74884946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:29:02,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:29:02,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:29:02,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081681978] [2022-11-25 22:29:02,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:29:02,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:29:02,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:29:02,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:29:02,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:29:02,522 INFO L87 Difference]: Start difference. First operand has 2368 states, 1301 states have (on average 1.2521137586471944) internal successors, (1629), 1389 states have internal predecessors, (1629), 847 states have call successors, (847), 193 states have call predecessors, (847), 192 states have return successors, (840), 824 states have call predecessors, (840), 840 states have call successors, (840) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 22:29:05,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:29:09,401 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 [] [2022-11-25 22:29:10,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:29:10,498 INFO L93 Difference]: Finished difference Result 6466 states and 9409 transitions. [2022-11-25 22:29:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:29:10,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2022-11-25 22:29:10,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:29:10,546 INFO L225 Difference]: With dead ends: 6466 [2022-11-25 22:29:10,547 INFO L226 Difference]: Without dead ends: 4094 [2022-11-25 22:29:10,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:29:10,571 INFO L413 NwaCegarLoop]: 3529 mSDtfsCounter, 2407 mSDsluCounter, 6375 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2409 SdHoareTripleChecker+Valid, 9904 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:29:10,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2409 Valid, 9904 Invalid, 1131 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1129 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2022-11-25 22:29:10,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4094 states. [2022-11-25 22:29:10,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4094 to 3916. [2022-11-25 22:29:10,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3916 states, 2142 states have (on average 1.2189542483660132) internal successors, (2611), 2260 states have internal predecessors, (2611), 1403 states have call successors, (1403), 343 states have call predecessors, (1403), 341 states have return successors, (1403), 1374 states have call predecessors, (1403), 1401 states have call successors, (1403) [2022-11-25 22:29:10,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 3916 states and 5417 transitions. [2022-11-25 22:29:10,973 INFO L78 Accepts]: Start accepts. Automaton has 3916 states and 5417 transitions. Word has length 47 [2022-11-25 22:29:10,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:29:10,975 INFO L495 AbstractCegarLoop]: Abstraction has 3916 states and 5417 transitions. [2022-11-25 22:29:10,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 22:29:10,975 INFO L276 IsEmpty]: Start isEmpty. Operand 3916 states and 5417 transitions. [2022-11-25 22:29:10,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-25 22:29:10,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:29:10,979 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:29:10,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:29:10,980 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:29:10,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:29:10,981 INFO L85 PathProgramCache]: Analyzing trace with hash -195693744, now seen corresponding path program 1 times [2022-11-25 22:29:10,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:29:10,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118717119] [2022-11-25 22:29:10,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:10,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:29:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:29:11,943 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:29:11,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:29:11,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118717119] [2022-11-25 22:29:11,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118717119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:29:11,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:29:11,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:29:11,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625778879] [2022-11-25 22:29:11,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:29:11,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:29:11,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:29:11,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:29:11,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:29:11,949 INFO L87 Difference]: Start difference. First operand 3916 states and 5417 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 22:29:14,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:29:18,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:29:20,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:29:21,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:29:21,068 INFO L93 Difference]: Finished difference Result 5697 states and 7819 transitions. [2022-11-25 22:29:21,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:29:21,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-11-25 22:29:21,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:29:21,109 INFO L225 Difference]: With dead ends: 5697 [2022-11-25 22:29:21,110 INFO L226 Difference]: Without dead ends: 5695 [2022-11-25 22:29:21,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:29:21,116 INFO L413 NwaCegarLoop]: 3513 mSDtfsCounter, 2407 mSDsluCounter, 6335 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2409 SdHoareTripleChecker+Valid, 9848 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:29:21,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2409 Valid, 9848 Invalid, 1124 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1121 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2022-11-25 22:29:21,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5695 states. [2022-11-25 22:29:21,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5695 to 5528. [2022-11-25 22:29:21,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5528 states, 3018 states have (on average 1.2173624917163686) internal successors, (3674), 3175 states have internal predecessors, (3674), 1985 states have call successors, (1985), 497 states have call predecessors, (1985), 495 states have return successors, (1985), 1943 states have call predecessors, (1985), 1983 states have call successors, (1985) [2022-11-25 22:29:21,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5528 states to 5528 states and 7644 transitions. [2022-11-25 22:29:21,534 INFO L78 Accepts]: Start accepts. Automaton has 5528 states and 7644 transitions. Word has length 52 [2022-11-25 22:29:21,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:29:21,535 INFO L495 AbstractCegarLoop]: Abstraction has 5528 states and 7644 transitions. [2022-11-25 22:29:21,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 22:29:21,536 INFO L276 IsEmpty]: Start isEmpty. Operand 5528 states and 7644 transitions. [2022-11-25 22:29:21,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-25 22:29:21,545 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:29:21,545 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:29:21,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:29:21,546 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:29:21,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:29:21,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1162076472, now seen corresponding path program 1 times [2022-11-25 22:29:21,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:29:21,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160775029] [2022-11-25 22:29:21,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:21,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:29:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:29:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:29:22,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:29:22,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160775029] [2022-11-25 22:29:22,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160775029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:29:22,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:29:22,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:29:22,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244834422] [2022-11-25 22:29:22,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:29:22,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:29:22,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:29:22,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:29:22,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:29:22,386 INFO L87 Difference]: Start difference. First operand 5528 states and 7644 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 22:29:25,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:29:28,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:29:29,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:29:31,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:29:32,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:29:32,018 INFO L93 Difference]: Finished difference Result 5695 states and 7817 transitions. [2022-11-25 22:29:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:29:32,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2022-11-25 22:29:32,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:29:32,055 INFO L225 Difference]: With dead ends: 5695 [2022-11-25 22:29:32,055 INFO L226 Difference]: Without dead ends: 5693 [2022-11-25 22:29:32,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:29:32,061 INFO L413 NwaCegarLoop]: 3513 mSDtfsCounter, 2404 mSDsluCounter, 6335 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2406 SdHoareTripleChecker+Valid, 9848 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:29:32,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2406 Valid, 9848 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1121 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2022-11-25 22:29:32,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5693 states. [2022-11-25 22:29:32,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5693 to 5534. [2022-11-25 22:29:32,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5534 states, 3021 states have (on average 1.217146640185369) internal successors, (3677), 3178 states have internal predecessors, (3677), 1987 states have call successors, (1987), 498 states have call predecessors, (1987), 496 states have return successors, (1987), 1945 states have call predecessors, (1987), 1985 states have call successors, (1987) [2022-11-25 22:29:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5534 states to 5534 states and 7651 transitions. [2022-11-25 22:29:32,403 INFO L78 Accepts]: Start accepts. Automaton has 5534 states and 7651 transitions. Word has length 57 [2022-11-25 22:29:32,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:29:32,403 INFO L495 AbstractCegarLoop]: Abstraction has 5534 states and 7651 transitions. [2022-11-25 22:29:32,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 22:29:32,404 INFO L276 IsEmpty]: Start isEmpty. Operand 5534 states and 7651 transitions. [2022-11-25 22:29:32,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-25 22:29:32,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:29:32,406 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:29:32,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:29:32,406 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:29:32,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:29:32,407 INFO L85 PathProgramCache]: Analyzing trace with hash -61629913, now seen corresponding path program 1 times [2022-11-25 22:29:32,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:29:32,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76988589] [2022-11-25 22:29:32,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:32,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:29:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:29:33,291 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:29:33,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:29:33,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76988589] [2022-11-25 22:29:33,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76988589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:29:33,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:29:33,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:29:33,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217882185] [2022-11-25 22:29:33,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:29:33,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:29:33,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:29:33,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:29:33,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:29:33,295 INFO L87 Difference]: Start difference. First operand 5534 states and 7651 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 22:29:36,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:29:40,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:29:40,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:29:40,350 INFO L93 Difference]: Finished difference Result 5693 states and 7815 transitions. [2022-11-25 22:29:40,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:29:40,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2022-11-25 22:29:40,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:29:40,384 INFO L225 Difference]: With dead ends: 5693 [2022-11-25 22:29:40,384 INFO L226 Difference]: Without dead ends: 5691 [2022-11-25 22:29:40,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:29:40,390 INFO L413 NwaCegarLoop]: 3513 mSDtfsCounter, 2401 mSDsluCounter, 6335 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2403 SdHoareTripleChecker+Valid, 9848 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:29:40,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2403 Valid, 9848 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1119 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-11-25 22:29:40,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5691 states. [2022-11-25 22:29:40,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5691 to 5540. [2022-11-25 22:29:40,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5540 states, 3024 states have (on average 1.216931216931217) internal successors, (3680), 3181 states have internal predecessors, (3680), 1989 states have call successors, (1989), 499 states have call predecessors, (1989), 497 states have return successors, (1989), 1947 states have call predecessors, (1989), 1987 states have call successors, (1989) [2022-11-25 22:29:40,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5540 states to 5540 states and 7658 transitions. [2022-11-25 22:29:40,782 INFO L78 Accepts]: Start accepts. Automaton has 5540 states and 7658 transitions. Word has length 62 [2022-11-25 22:29:40,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:29:40,783 INFO L495 AbstractCegarLoop]: Abstraction has 5540 states and 7658 transitions. [2022-11-25 22:29:40,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 22:29:40,784 INFO L276 IsEmpty]: Start isEmpty. Operand 5540 states and 7658 transitions. [2022-11-25 22:29:40,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-25 22:29:40,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:29:40,785 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:29:40,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:29:40,786 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:29:40,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:29:40,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1722516556, now seen corresponding path program 1 times [2022-11-25 22:29:40,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:29:40,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096634391] [2022-11-25 22:29:40,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:40,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:29:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:29:41,573 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:29:41,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:29:41,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096634391] [2022-11-25 22:29:41,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096634391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:29:41,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:29:41,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:29:41,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538394990] [2022-11-25 22:29:41,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:29:41,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:29:41,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:29:41,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:29:41,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:29:41,578 INFO L87 Difference]: Start difference. First operand 5540 states and 7658 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 22:29:44,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:29:47,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:29:50,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:29:50,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:29:50,471 INFO L93 Difference]: Finished difference Result 5691 states and 7813 transitions. [2022-11-25 22:29:50,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:29:50,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2022-11-25 22:29:50,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:29:50,561 INFO L225 Difference]: With dead ends: 5691 [2022-11-25 22:29:50,561 INFO L226 Difference]: Without dead ends: 5689 [2022-11-25 22:29:50,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:29:50,565 INFO L413 NwaCegarLoop]: 3513 mSDtfsCounter, 2398 mSDsluCounter, 6335 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 9848 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:29:50,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2400 Valid, 9848 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1121 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-11-25 22:29:50,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5689 states. [2022-11-25 22:29:50,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5689 to 5546. [2022-11-25 22:29:50,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5546 states, 3027 states have (on average 1.2167162206805417) internal successors, (3683), 3184 states have internal predecessors, (3683), 1991 states have call successors, (1991), 500 states have call predecessors, (1991), 498 states have return successors, (1991), 1949 states have call predecessors, (1991), 1989 states have call successors, (1991) [2022-11-25 22:29:50,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5546 states to 5546 states and 7665 transitions. [2022-11-25 22:29:50,899 INFO L78 Accepts]: Start accepts. Automaton has 5546 states and 7665 transitions. Word has length 67 [2022-11-25 22:29:50,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:29:50,901 INFO L495 AbstractCegarLoop]: Abstraction has 5546 states and 7665 transitions. [2022-11-25 22:29:50,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 22:29:50,902 INFO L276 IsEmpty]: Start isEmpty. Operand 5546 states and 7665 transitions. [2022-11-25 22:29:50,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-25 22:29:50,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:29:50,903 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:29:50,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:29:50,904 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:29:50,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:29:50,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1175441577, now seen corresponding path program 1 times [2022-11-25 22:29:50,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:29:50,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787212792] [2022-11-25 22:29:50,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:50,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:29:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:29:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:29:51,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:29:51,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787212792] [2022-11-25 22:29:51,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787212792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:29:51,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:29:51,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:29:51,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132969248] [2022-11-25 22:29:51,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:29:51,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:29:51,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:29:51,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:29:51,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:29:51,678 INFO L87 Difference]: Start difference. First operand 5546 states and 7665 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 22:29:54,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:29:58,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:29:58,440 INFO L93 Difference]: Finished difference Result 5689 states and 7811 transitions. [2022-11-25 22:29:58,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:29:58,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2022-11-25 22:29:58,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:29:58,468 INFO L225 Difference]: With dead ends: 5689 [2022-11-25 22:29:58,468 INFO L226 Difference]: Without dead ends: 5687 [2022-11-25 22:29:58,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:29:58,473 INFO L413 NwaCegarLoop]: 3513 mSDtfsCounter, 2395 mSDsluCounter, 6335 mSDsCounter, 0 mSdLazyCounter, 1122 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2397 SdHoareTripleChecker+Valid, 9848 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1122 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:29:58,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2397 Valid, 9848 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1122 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-11-25 22:29:58,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5687 states. [2022-11-25 22:29:58,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5687 to 5552. [2022-11-25 22:29:58,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5552 states, 3030 states have (on average 1.2165016501650165) internal successors, (3686), 3187 states have internal predecessors, (3686), 1993 states have call successors, (1993), 501 states have call predecessors, (1993), 499 states have return successors, (1993), 1951 states have call predecessors, (1993), 1991 states have call successors, (1993) [2022-11-25 22:29:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5552 states to 5552 states and 7672 transitions. [2022-11-25 22:29:58,835 INFO L78 Accepts]: Start accepts. Automaton has 5552 states and 7672 transitions. Word has length 72 [2022-11-25 22:29:58,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:29:58,836 INFO L495 AbstractCegarLoop]: Abstraction has 5552 states and 7672 transitions. [2022-11-25 22:29:58,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 22:29:58,836 INFO L276 IsEmpty]: Start isEmpty. Operand 5552 states and 7672 transitions. [2022-11-25 22:29:58,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-25 22:29:58,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:29:58,839 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-25 22:29:58,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 22:29:58,840 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:29:58,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:29:58,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1152677153, now seen corresponding path program 1 times [2022-11-25 22:29:58,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:29:58,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531881717] [2022-11-25 22:29:58,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:58,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:29:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:29:59,527 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-25 22:29:59,528 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:29:59,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531881717] [2022-11-25 22:29:59,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531881717] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:29:59,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:29:59,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:29:59,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990538899] [2022-11-25 22:29:59,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:29:59,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:29:59,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:29:59,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:29:59,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:29:59,531 INFO L87 Difference]: Start difference. First operand 5552 states and 7672 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 22:30:02,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:30:04,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:30:05,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:05,854 INFO L93 Difference]: Finished difference Result 12099 states and 16661 transitions. [2022-11-25 22:30:05,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:30:05,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 90 [2022-11-25 22:30:05,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:05,890 INFO L225 Difference]: With dead ends: 12099 [2022-11-25 22:30:05,891 INFO L226 Difference]: Without dead ends: 6565 [2022-11-25 22:30:05,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:30:05,923 INFO L413 NwaCegarLoop]: 3251 mSDtfsCounter, 2416 mSDsluCounter, 1895 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2416 SdHoareTripleChecker+Valid, 5146 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:05,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2416 Valid, 5146 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 613 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-11-25 22:30:05,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6565 states. [2022-11-25 22:30:06,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6565 to 6553. [2022-11-25 22:30:06,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6553 states, 3553 states have (on average 1.207993245144948) internal successors, (4292), 3731 states have internal predecessors, (4292), 2354 states have call successors, (2354), 619 states have call predecessors, (2354), 616 states have return successors, (2354), 2306 states have call predecessors, (2354), 2352 states have call successors, (2354) [2022-11-25 22:30:06,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6553 states to 6553 states and 9000 transitions. [2022-11-25 22:30:06,443 INFO L78 Accepts]: Start accepts. Automaton has 6553 states and 9000 transitions. Word has length 90 [2022-11-25 22:30:06,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:06,445 INFO L495 AbstractCegarLoop]: Abstraction has 6553 states and 9000 transitions. [2022-11-25 22:30:06,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 22:30:06,446 INFO L276 IsEmpty]: Start isEmpty. Operand 6553 states and 9000 transitions. [2022-11-25 22:30:06,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-25 22:30:06,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:06,455 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:30:06,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 22:30:06,455 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:30:06,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:06,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1501466870, now seen corresponding path program 1 times [2022-11-25 22:30:06,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:06,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418297570] [2022-11-25 22:30:06,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:06,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:07,208 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:30:07,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:07,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418297570] [2022-11-25 22:30:07,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418297570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:07,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:07,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:07,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006535198] [2022-11-25 22:30:07,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:07,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:07,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:07,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:07,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:07,211 INFO L87 Difference]: Start difference. First operand 6553 states and 9000 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 22:30:09,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:30:14,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:30:16,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:30:16,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:16,864 INFO L93 Difference]: Finished difference Result 6686 states and 9136 transitions. [2022-11-25 22:30:16,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:30:16,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2022-11-25 22:30:16,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:16,892 INFO L225 Difference]: With dead ends: 6686 [2022-11-25 22:30:16,892 INFO L226 Difference]: Without dead ends: 6684 [2022-11-25 22:30:16,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:16,896 INFO L413 NwaCegarLoop]: 3534 mSDtfsCounter, 2387 mSDsluCounter, 6356 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2389 SdHoareTripleChecker+Valid, 9890 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:16,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2389 Valid, 9890 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1134 Invalid, 3 Unknown, 0 Unchecked, 9.2s Time] [2022-11-25 22:30:16,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6684 states. [2022-11-25 22:30:17,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6684 to 6559. [2022-11-25 22:30:17,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6559 states, 3556 states have (on average 1.2078177727784027) internal successors, (4295), 3734 states have internal predecessors, (4295), 2356 states have call successors, (2356), 620 states have call predecessors, (2356), 617 states have return successors, (2356), 2308 states have call predecessors, (2356), 2354 states have call successors, (2356) [2022-11-25 22:30:17,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6559 states to 6559 states and 9007 transitions. [2022-11-25 22:30:17,357 INFO L78 Accepts]: Start accepts. Automaton has 6559 states and 9007 transitions. Word has length 77 [2022-11-25 22:30:17,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:17,357 INFO L495 AbstractCegarLoop]: Abstraction has 6559 states and 9007 transitions. [2022-11-25 22:30:17,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 22:30:17,358 INFO L276 IsEmpty]: Start isEmpty. Operand 6559 states and 9007 transitions. [2022-11-25 22:30:17,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-25 22:30:17,359 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:17,360 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:30:17,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 22:30:17,360 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:30:17,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:17,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1594105656, now seen corresponding path program 1 times [2022-11-25 22:30:17,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:17,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220992336] [2022-11-25 22:30:17,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:17,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:18,148 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:30:18,148 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:18,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220992336] [2022-11-25 22:30:18,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220992336] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:18,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:18,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:18,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003706689] [2022-11-25 22:30:18,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:18,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:18,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:18,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:18,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:18,151 INFO L87 Difference]: Start difference. First operand 6559 states and 9007 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 22:30:20,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:30:25,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:30:27,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:30:27,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:27,860 INFO L93 Difference]: Finished difference Result 6684 states and 9134 transitions. [2022-11-25 22:30:27,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:30:27,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2022-11-25 22:30:27,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:27,892 INFO L225 Difference]: With dead ends: 6684 [2022-11-25 22:30:27,893 INFO L226 Difference]: Without dead ends: 6682 [2022-11-25 22:30:27,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:27,898 INFO L413 NwaCegarLoop]: 3534 mSDtfsCounter, 2392 mSDsluCounter, 6352 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2394 SdHoareTripleChecker+Valid, 9886 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:27,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2394 Valid, 9886 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1135 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2022-11-25 22:30:27,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6682 states. [2022-11-25 22:30:28,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6682 to 6567. [2022-11-25 22:30:28,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6567 states, 3561 states have (on average 1.207806795843864) internal successors, (4301), 3739 states have internal predecessors, (4301), 2358 states have call successors, (2358), 621 states have call predecessors, (2358), 618 states have return successors, (2358), 2310 states have call predecessors, (2358), 2356 states have call successors, (2358) [2022-11-25 22:30:28,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6567 states to 6567 states and 9017 transitions. [2022-11-25 22:30:28,558 INFO L78 Accepts]: Start accepts. Automaton has 6567 states and 9017 transitions. Word has length 82 [2022-11-25 22:30:28,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:28,559 INFO L495 AbstractCegarLoop]: Abstraction has 6567 states and 9017 transitions. [2022-11-25 22:30:28,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 22:30:28,559 INFO L276 IsEmpty]: Start isEmpty. Operand 6567 states and 9017 transitions. [2022-11-25 22:30:28,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-25 22:30:28,562 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:28,562 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:28,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 22:30:28,563 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:30:28,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:28,564 INFO L85 PathProgramCache]: Analyzing trace with hash 932884734, now seen corresponding path program 1 times [2022-11-25 22:30:28,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:28,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108038681] [2022-11-25 22:30:28,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:28,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:29,457 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-25 22:30:29,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:29,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108038681] [2022-11-25 22:30:29,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108038681] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:30:29,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220912360] [2022-11-25 22:30:29,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:29,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:30:29,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:30:29,462 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:30:29,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:30:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:31,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 5237 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 22:30:31,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:30:31,522 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-25 22:30:31,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:30:31,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220912360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:31,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:30:31,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-25 22:30:31,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557540344] [2022-11-25 22:30:31,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:31,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:30:31,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:31,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:30:31,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:30:31,525 INFO L87 Difference]: Start difference. First operand 6567 states and 9017 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 22:30:34,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:30:37,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:30:37,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:37,905 INFO L93 Difference]: Finished difference Result 13132 states and 18023 transitions. [2022-11-25 22:30:37,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:30:37,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2022-11-25 22:30:37,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:37,936 INFO L225 Difference]: With dead ends: 13132 [2022-11-25 22:30:37,936 INFO L226 Difference]: Without dead ends: 6583 [2022-11-25 22:30:37,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:30:37,970 INFO L413 NwaCegarLoop]: 3253 mSDtfsCounter, 2402 mSDsluCounter, 1907 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2402 SdHoareTripleChecker+Valid, 5160 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:37,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2402 Valid, 5160 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 612 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-11-25 22:30:37,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6583 states. [2022-11-25 22:30:38,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6583 to 6571. [2022-11-25 22:30:38,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6571 states, 3561 states have (on average 1.2066835158663296) internal successors, (4297), 3739 states have internal predecessors, (4297), 2360 states have call successors, (2360), 623 states have call predecessors, (2360), 620 states have return successors, (2360), 2312 states have call predecessors, (2360), 2358 states have call successors, (2360) [2022-11-25 22:30:38,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6571 states to 6571 states and 9017 transitions. [2022-11-25 22:30:38,470 INFO L78 Accepts]: Start accepts. Automaton has 6571 states and 9017 transitions. Word has length 98 [2022-11-25 22:30:38,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:38,472 INFO L495 AbstractCegarLoop]: Abstraction has 6571 states and 9017 transitions. [2022-11-25 22:30:38,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 22:30:38,472 INFO L276 IsEmpty]: Start isEmpty. Operand 6571 states and 9017 transitions. [2022-11-25 22:30:38,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-25 22:30:38,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:38,473 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:38,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:30:38,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-25 22:30:38,687 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:30:38,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:38,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1367960651, now seen corresponding path program 1 times [2022-11-25 22:30:38,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:38,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074009805] [2022-11-25 22:30:38,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:38,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:39,476 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:30:39,477 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:39,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074009805] [2022-11-25 22:30:39,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074009805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:39,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:39,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:39,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925894551] [2022-11-25 22:30:39,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:39,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:39,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:39,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:39,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:39,479 INFO L87 Difference]: Start difference. First operand 6571 states and 9017 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 22:30:42,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:30:46,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:30:46,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:46,421 INFO L93 Difference]: Finished difference Result 6684 states and 9131 transitions. [2022-11-25 22:30:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:30:46,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2022-11-25 22:30:46,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:46,454 INFO L225 Difference]: With dead ends: 6684 [2022-11-25 22:30:46,455 INFO L226 Difference]: Without dead ends: 6682 [2022-11-25 22:30:46,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:46,461 INFO L413 NwaCegarLoop]: 3534 mSDtfsCounter, 2375 mSDsluCounter, 6356 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2377 SdHoareTripleChecker+Valid, 9890 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:46,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2377 Valid, 9890 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1133 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-25 22:30:46,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6682 states. [2022-11-25 22:30:47,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6682 to 6571. [2022-11-25 22:30:47,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6571 states, 3561 states have (on average 1.206402695871946) internal successors, (4296), 3739 states have internal predecessors, (4296), 2360 states have call successors, (2360), 623 states have call predecessors, (2360), 620 states have return successors, (2360), 2312 states have call predecessors, (2360), 2358 states have call successors, (2360) [2022-11-25 22:30:47,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6571 states to 6571 states and 9016 transitions. [2022-11-25 22:30:47,099 INFO L78 Accepts]: Start accepts. Automaton has 6571 states and 9016 transitions. Word has length 84 [2022-11-25 22:30:47,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:47,102 INFO L495 AbstractCegarLoop]: Abstraction has 6571 states and 9016 transitions. [2022-11-25 22:30:47,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 22:30:47,102 INFO L276 IsEmpty]: Start isEmpty. Operand 6571 states and 9016 transitions. [2022-11-25 22:30:47,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-25 22:30:47,103 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:47,104 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:47,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 22:30:47,104 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:30:47,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:47,105 INFO L85 PathProgramCache]: Analyzing trace with hash 2092380840, now seen corresponding path program 1 times [2022-11-25 22:30:47,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:47,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177673308] [2022-11-25 22:30:47,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:47,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:47,759 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:30:47,760 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:47,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177673308] [2022-11-25 22:30:47,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177673308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:47,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:47,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:47,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515422331] [2022-11-25 22:30:47,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:47,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:47,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:47,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:47,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:47,762 INFO L87 Difference]: Start difference. First operand 6571 states and 9016 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 22:30:50,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:30:54,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:30:55,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:30:55,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:55,899 INFO L93 Difference]: Finished difference Result 6682 states and 9129 transitions. [2022-11-25 22:30:55,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:30:55,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2022-11-25 22:30:55,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:55,928 INFO L225 Difference]: With dead ends: 6682 [2022-11-25 22:30:55,928 INFO L226 Difference]: Without dead ends: 6680 [2022-11-25 22:30:55,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:55,933 INFO L413 NwaCegarLoop]: 3534 mSDtfsCounter, 2374 mSDsluCounter, 6356 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2376 SdHoareTripleChecker+Valid, 9890 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:55,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2376 Valid, 9890 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1136 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-11-25 22:30:55,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6680 states. [2022-11-25 22:30:56,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6680 to 6577. [2022-11-25 22:30:56,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6577 states, 3564 states have (on average 1.2062289562289563) internal successors, (4299), 3742 states have internal predecessors, (4299), 2362 states have call successors, (2362), 624 states have call predecessors, (2362), 621 states have return successors, (2362), 2314 states have call predecessors, (2362), 2360 states have call successors, (2362) [2022-11-25 22:30:56,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6577 states to 6577 states and 9023 transitions. [2022-11-25 22:30:56,446 INFO L78 Accepts]: Start accepts. Automaton has 6577 states and 9023 transitions. Word has length 89 [2022-11-25 22:30:56,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:56,447 INFO L495 AbstractCegarLoop]: Abstraction has 6577 states and 9023 transitions. [2022-11-25 22:30:56,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 22:30:56,447 INFO L276 IsEmpty]: Start isEmpty. Operand 6577 states and 9023 transitions. [2022-11-25 22:30:56,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-25 22:30:56,449 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:56,449 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:30:56,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 22:30:56,450 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:30:56,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:56,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1767858990, now seen corresponding path program 1 times [2022-11-25 22:30:56,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:56,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224469777] [2022-11-25 22:30:56,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:56,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:57,188 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:30:57,188 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:57,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224469777] [2022-11-25 22:30:57,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224469777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:57,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:57,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:57,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896060913] [2022-11-25 22:30:57,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:57,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:57,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:57,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:57,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:57,191 INFO L87 Difference]: Start difference. First operand 6577 states and 9023 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 22:31:00,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:04,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:05,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:05,554 INFO L93 Difference]: Finished difference Result 6680 states and 9127 transitions. [2022-11-25 22:31:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:31:05,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-11-25 22:31:05,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:05,582 INFO L225 Difference]: With dead ends: 6680 [2022-11-25 22:31:05,583 INFO L226 Difference]: Without dead ends: 6678 [2022-11-25 22:31:05,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:31:05,589 INFO L413 NwaCegarLoop]: 3534 mSDtfsCounter, 2371 mSDsluCounter, 6356 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2373 SdHoareTripleChecker+Valid, 9890 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:05,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2373 Valid, 9890 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1135 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-11-25 22:31:05,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6678 states. [2022-11-25 22:31:06,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6678 to 6583. [2022-11-25 22:31:06,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6583 states, 3567 states have (on average 1.2060555088309504) internal successors, (4302), 3745 states have internal predecessors, (4302), 2364 states have call successors, (2364), 625 states have call predecessors, (2364), 622 states have return successors, (2364), 2316 states have call predecessors, (2364), 2362 states have call successors, (2364) [2022-11-25 22:31:06,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6583 states to 6583 states and 9030 transitions. [2022-11-25 22:31:06,258 INFO L78 Accepts]: Start accepts. Automaton has 6583 states and 9030 transitions. Word has length 94 [2022-11-25 22:31:06,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:06,258 INFO L495 AbstractCegarLoop]: Abstraction has 6583 states and 9030 transitions. [2022-11-25 22:31:06,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 22:31:06,258 INFO L276 IsEmpty]: Start isEmpty. Operand 6583 states and 9030 transitions. [2022-11-25 22:31:06,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-25 22:31:06,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:06,260 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:06,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 22:31:06,261 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:31:06,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:06,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1591558423, now seen corresponding path program 1 times [2022-11-25 22:31:06,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:06,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243899898] [2022-11-25 22:31:06,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:06,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:06,910 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:31:06,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:06,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243899898] [2022-11-25 22:31:06,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243899898] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:06,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:06,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:31:06,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655242209] [2022-11-25 22:31:06,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:06,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:31:06,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:06,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:31:06,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:31:06,914 INFO L87 Difference]: Start difference. First operand 6583 states and 9030 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 22:31:09,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:13,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:14,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:14,129 INFO L93 Difference]: Finished difference Result 6678 states and 9125 transitions. [2022-11-25 22:31:14,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:31:14,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2022-11-25 22:31:14,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:14,155 INFO L225 Difference]: With dead ends: 6678 [2022-11-25 22:31:14,155 INFO L226 Difference]: Without dead ends: 6676 [2022-11-25 22:31:14,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:31:14,161 INFO L413 NwaCegarLoop]: 3534 mSDtfsCounter, 2368 mSDsluCounter, 6356 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2370 SdHoareTripleChecker+Valid, 9890 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:14,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2370 Valid, 9890 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1133 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-25 22:31:14,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6676 states. [2022-11-25 22:31:14,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6676 to 6589. [2022-11-25 22:31:14,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6589 states, 3570 states have (on average 1.2058823529411764) internal successors, (4305), 3748 states have internal predecessors, (4305), 2366 states have call successors, (2366), 626 states have call predecessors, (2366), 623 states have return successors, (2366), 2318 states have call predecessors, (2366), 2364 states have call successors, (2366) [2022-11-25 22:31:14,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6589 states to 6589 states and 9037 transitions. [2022-11-25 22:31:14,722 INFO L78 Accepts]: Start accepts. Automaton has 6589 states and 9037 transitions. Word has length 99 [2022-11-25 22:31:14,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:14,722 INFO L495 AbstractCegarLoop]: Abstraction has 6589 states and 9037 transitions. [2022-11-25 22:31:14,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 22:31:14,723 INFO L276 IsEmpty]: Start isEmpty. Operand 6589 states and 9037 transitions. [2022-11-25 22:31:14,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-25 22:31:14,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:14,725 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:14,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 22:31:14,725 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:31:14,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:14,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1604137462, now seen corresponding path program 1 times [2022-11-25 22:31:14,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:14,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456606662] [2022-11-25 22:31:14,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:14,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:15,359 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:31:15,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:15,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456606662] [2022-11-25 22:31:15,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456606662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:15,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:15,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:31:15,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215227758] [2022-11-25 22:31:15,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:15,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:31:15,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:15,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:31:15,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:31:15,365 INFO L87 Difference]: Start difference. First operand 6589 states and 9037 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 22:31:18,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:22,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:22,398 INFO L93 Difference]: Finished difference Result 6676 states and 9123 transitions. [2022-11-25 22:31:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:31:22,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2022-11-25 22:31:22,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:22,420 INFO L225 Difference]: With dead ends: 6676 [2022-11-25 22:31:22,420 INFO L226 Difference]: Without dead ends: 6674 [2022-11-25 22:31:22,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:31:22,425 INFO L413 NwaCegarLoop]: 3534 mSDtfsCounter, 2365 mSDsluCounter, 6356 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2367 SdHoareTripleChecker+Valid, 9890 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:22,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2367 Valid, 9890 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1136 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-11-25 22:31:22,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-11-25 22:31:23,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 6595. [2022-11-25 22:31:23,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6595 states, 3573 states have (on average 1.205709487825357) internal successors, (4308), 3751 states have internal predecessors, (4308), 2368 states have call successors, (2368), 627 states have call predecessors, (2368), 624 states have return successors, (2368), 2320 states have call predecessors, (2368), 2366 states have call successors, (2368) [2022-11-25 22:31:23,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6595 states to 6595 states and 9044 transitions. [2022-11-25 22:31:23,142 INFO L78 Accepts]: Start accepts. Automaton has 6595 states and 9044 transitions. Word has length 104 [2022-11-25 22:31:23,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:23,143 INFO L495 AbstractCegarLoop]: Abstraction has 6595 states and 9044 transitions. [2022-11-25 22:31:23,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 22:31:23,143 INFO L276 IsEmpty]: Start isEmpty. Operand 6595 states and 9044 transitions. [2022-11-25 22:31:23,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-25 22:31:23,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:23,151 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 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] [2022-11-25 22:31:23,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 22:31:23,152 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:31:23,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:23,152 INFO L85 PathProgramCache]: Analyzing trace with hash 230720492, now seen corresponding path program 1 times [2022-11-25 22:31:23,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:23,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397005144] [2022-11-25 22:31:23,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:23,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:24,113 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-25 22:31:24,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:24,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397005144] [2022-11-25 22:31:24,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397005144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:24,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:24,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:31:24,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032840962] [2022-11-25 22:31:24,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:24,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:31:24,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:24,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:31:24,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:31:24,116 INFO L87 Difference]: Start difference. First operand 6595 states and 9044 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 22:31:27,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:29,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:31,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:32,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:32,885 INFO L93 Difference]: Finished difference Result 13268 states and 18284 transitions. [2022-11-25 22:31:32,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:31:32,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 123 [2022-11-25 22:31:32,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:32,918 INFO L225 Difference]: With dead ends: 13268 [2022-11-25 22:31:32,918 INFO L226 Difference]: Without dead ends: 6793 [2022-11-25 22:31:32,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:31:32,943 INFO L413 NwaCegarLoop]: 2871 mSDtfsCounter, 99 mSDsluCounter, 5690 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 51 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 8561 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:32,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 8561 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1117 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2022-11-25 22:31:32,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6793 states. [2022-11-25 22:31:33,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6793 to 6793. [2022-11-25 22:31:33,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6793 states, 3693 states have (on average 1.206607094503114) internal successors, (4456), 3871 states have internal predecessors, (4456), 2443 states have call successors, (2443), 630 states have call predecessors, (2443), 627 states have return successors, (2443), 2395 states have call predecessors, (2443), 2441 states have call successors, (2443) [2022-11-25 22:31:33,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6793 states to 6793 states and 9342 transitions. [2022-11-25 22:31:33,376 INFO L78 Accepts]: Start accepts. Automaton has 6793 states and 9342 transitions. Word has length 123 [2022-11-25 22:31:33,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:33,377 INFO L495 AbstractCegarLoop]: Abstraction has 6793 states and 9342 transitions. [2022-11-25 22:31:33,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 22:31:33,377 INFO L276 IsEmpty]: Start isEmpty. Operand 6793 states and 9342 transitions. [2022-11-25 22:31:33,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-25 22:31:33,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:33,380 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 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, 1, 1, 1] [2022-11-25 22:31:33,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 22:31:33,380 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:31:33,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:33,381 INFO L85 PathProgramCache]: Analyzing trace with hash 626064968, now seen corresponding path program 1 times [2022-11-25 22:31:33,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:33,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905627223] [2022-11-25 22:31:33,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:33,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:35,351 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-25 22:31:35,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:35,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905627223] [2022-11-25 22:31:35,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905627223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:35,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:35,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 22:31:35,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764813322] [2022-11-25 22:31:35,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:35,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:31:35,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:35,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:31:35,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:31:35,355 INFO L87 Difference]: Start difference. First operand 6793 states and 9342 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 22:31:39,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:45,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:47,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:47,388 INFO L93 Difference]: Finished difference Result 9940 states and 13619 transitions. [2022-11-25 22:31:47,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 22:31:47,389 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 127 [2022-11-25 22:31:47,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:47,426 INFO L225 Difference]: With dead ends: 9940 [2022-11-25 22:31:47,426 INFO L226 Difference]: Without dead ends: 9938 [2022-11-25 22:31:47,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:31:47,434 INFO L413 NwaCegarLoop]: 4105 mSDtfsCounter, 2996 mSDsluCounter, 13510 mSDsCounter, 0 mSdLazyCounter, 3772 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3000 SdHoareTripleChecker+Valid, 17615 SdHoareTripleChecker+Invalid, 3776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3772 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:47,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3000 Valid, 17615 Invalid, 3776 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3772 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2022-11-25 22:31:47,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9938 states. [2022-11-25 22:31:48,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9938 to 9749. [2022-11-25 22:31:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9749 states, 5300 states have (on average 1.2045283018867925) internal successors, (6384), 5542 states have internal predecessors, (6384), 3496 states have call successors, (3496), 929 states have call predecessors, (3496), 923 states have return successors, (3531), 3424 states have call predecessors, (3531), 3494 states have call successors, (3531) [2022-11-25 22:31:48,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9749 states to 9749 states and 13411 transitions. [2022-11-25 22:31:48,114 INFO L78 Accepts]: Start accepts. Automaton has 9749 states and 13411 transitions. Word has length 127 [2022-11-25 22:31:48,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:48,114 INFO L495 AbstractCegarLoop]: Abstraction has 9749 states and 13411 transitions. [2022-11-25 22:31:48,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 22:31:48,115 INFO L276 IsEmpty]: Start isEmpty. Operand 9749 states and 13411 transitions. [2022-11-25 22:31:48,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-25 22:31:48,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:48,116 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:31:48,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 22:31:48,116 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:31:48,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:48,117 INFO L85 PathProgramCache]: Analyzing trace with hash 821040930, now seen corresponding path program 1 times [2022-11-25 22:31:48,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:48,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671667001] [2022-11-25 22:31:48,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:48,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:48,753 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:31:48,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:48,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671667001] [2022-11-25 22:31:48,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671667001] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:48,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:48,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:31:48,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291091524] [2022-11-25 22:31:48,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:48,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:31:48,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:48,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:31:48,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:31:48,757 INFO L87 Difference]: Start difference. First operand 9749 states and 13411 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 22:31:51,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:55,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:56,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:56,100 INFO L93 Difference]: Finished difference Result 9826 states and 13487 transitions. [2022-11-25 22:31:56,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:31:56,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2022-11-25 22:31:56,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:56,130 INFO L225 Difference]: With dead ends: 9826 [2022-11-25 22:31:56,130 INFO L226 Difference]: Without dead ends: 9824 [2022-11-25 22:31:56,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:31:56,136 INFO L413 NwaCegarLoop]: 3534 mSDtfsCounter, 2360 mSDsluCounter, 6356 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2362 SdHoareTripleChecker+Valid, 9890 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:56,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2362 Valid, 9890 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1133 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-11-25 22:31:56,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9824 states. [2022-11-25 22:31:56,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9824 to 9755. [2022-11-25 22:31:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9755 states, 5303 states have (on average 1.2044125966434094) internal successors, (6387), 5545 states have internal predecessors, (6387), 3498 states have call successors, (3498), 930 states have call predecessors, (3498), 924 states have return successors, (3533), 3426 states have call predecessors, (3533), 3496 states have call successors, (3533) [2022-11-25 22:31:56,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9755 states to 9755 states and 13418 transitions. [2022-11-25 22:31:56,818 INFO L78 Accepts]: Start accepts. Automaton has 9755 states and 13418 transitions. Word has length 109 [2022-11-25 22:31:56,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:56,819 INFO L495 AbstractCegarLoop]: Abstraction has 9755 states and 13418 transitions. [2022-11-25 22:31:56,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 22:31:56,819 INFO L276 IsEmpty]: Start isEmpty. Operand 9755 states and 13418 transitions. [2022-11-25 22:31:56,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-25 22:31:56,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:56,822 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 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, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:56,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 22:31:56,822 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:31:56,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:56,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1762616786, now seen corresponding path program 1 times [2022-11-25 22:31:56,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:56,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947204323] [2022-11-25 22:31:56,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:56,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:57,273 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-25 22:31:57,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:57,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947204323] [2022-11-25 22:31:57,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947204323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:57,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:57,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:31:57,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868831789] [2022-11-25 22:31:57,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:57,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:31:57,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:57,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:31:57,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:57,278 INFO L87 Difference]: Start difference. First operand 9755 states and 13418 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 22:31:59,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:03,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:04,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:04,018 INFO L93 Difference]: Finished difference Result 19453 states and 26812 transitions. [2022-11-25 22:32:04,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:32:04,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 130 [2022-11-25 22:32:04,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:04,049 INFO L225 Difference]: With dead ends: 19453 [2022-11-25 22:32:04,050 INFO L226 Difference]: Without dead ends: 9818 [2022-11-25 22:32:04,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:32:04,079 INFO L413 NwaCegarLoop]: 3535 mSDtfsCounter, 2329 mSDsluCounter, 2822 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2329 SdHoareTripleChecker+Valid, 6357 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:04,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2329 Valid, 6357 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 752 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-11-25 22:32:04,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9818 states. [2022-11-25 22:32:04,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9818 to 9751. [2022-11-25 22:32:04,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9751 states, 5299 states have (on average 1.2038120400075485) internal successors, (6379), 5541 states have internal predecessors, (6379), 3498 states have call successors, (3498), 930 states have call predecessors, (3498), 924 states have return successors, (3533), 3426 states have call predecessors, (3533), 3496 states have call successors, (3533) [2022-11-25 22:32:04,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9751 states to 9751 states and 13410 transitions. [2022-11-25 22:32:04,723 INFO L78 Accepts]: Start accepts. Automaton has 9751 states and 13410 transitions. Word has length 130 [2022-11-25 22:32:04,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:04,724 INFO L495 AbstractCegarLoop]: Abstraction has 9751 states and 13410 transitions. [2022-11-25 22:32:04,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 22:32:04,724 INFO L276 IsEmpty]: Start isEmpty. Operand 9751 states and 13410 transitions. [2022-11-25 22:32:04,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-25 22:32:04,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:04,727 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:32:04,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 22:32:04,727 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:32:04,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:04,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1969885518, now seen corresponding path program 1 times [2022-11-25 22:32:04,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:04,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540051480] [2022-11-25 22:32:04,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:04,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:05,215 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-25 22:32:05,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:05,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540051480] [2022-11-25 22:32:05,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540051480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:05,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:32:05,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:32:05,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896014198] [2022-11-25 22:32:05,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:05,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:32:05,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:05,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:32:05,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:32:05,218 INFO L87 Difference]: Start difference. First operand 9751 states and 13410 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-25 22:32:08,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:10,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:12,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:12,445 INFO L93 Difference]: Finished difference Result 19397 states and 26792 transitions. [2022-11-25 22:32:12,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:32:12,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 135 [2022-11-25 22:32:12,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:12,491 INFO L225 Difference]: With dead ends: 19397 [2022-11-25 22:32:12,491 INFO L226 Difference]: Without dead ends: 9766 [2022-11-25 22:32:12,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:32:12,539 INFO L413 NwaCegarLoop]: 2849 mSDtfsCounter, 1 mSDsluCounter, 2845 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5694 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:12,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5694 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 742 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-11-25 22:32:12,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9766 states. [2022-11-25 22:32:13,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9766 to 9756. [2022-11-25 22:32:13,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9756 states, 5304 states have (on average 1.2036199095022624) internal successors, (6384), 5546 states have internal predecessors, (6384), 3498 states have call successors, (3498), 930 states have call predecessors, (3498), 924 states have return successors, (3533), 3426 states have call predecessors, (3533), 3496 states have call successors, (3533) [2022-11-25 22:32:13,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9756 states to 9756 states and 13415 transitions. [2022-11-25 22:32:13,139 INFO L78 Accepts]: Start accepts. Automaton has 9756 states and 13415 transitions. Word has length 135 [2022-11-25 22:32:13,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:13,140 INFO L495 AbstractCegarLoop]: Abstraction has 9756 states and 13415 transitions. [2022-11-25 22:32:13,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-25 22:32:13,140 INFO L276 IsEmpty]: Start isEmpty. Operand 9756 states and 13415 transitions. [2022-11-25 22:32:13,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 22:32:13,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:13,143 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:32:13,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-25 22:32:13,143 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:32:13,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:13,143 INFO L85 PathProgramCache]: Analyzing trace with hash -558470421, now seen corresponding path program 1 times [2022-11-25 22:32:13,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:13,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422981276] [2022-11-25 22:32:13,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:13,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:13,913 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:32:13,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:13,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422981276] [2022-11-25 22:32:13,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422981276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:13,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:32:13,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:32:13,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509401957] [2022-11-25 22:32:13,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:13,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:32:13,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:13,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:32:13,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:32:13,925 INFO L87 Difference]: Start difference. First operand 9756 states and 13415 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 22:32:16,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:20,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:22,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:24,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:24,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:24,431 INFO L93 Difference]: Finished difference Result 9823 states and 13481 transitions. [2022-11-25 22:32:24,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:32:24,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2022-11-25 22:32:24,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:24,461 INFO L225 Difference]: With dead ends: 9823 [2022-11-25 22:32:24,461 INFO L226 Difference]: Without dead ends: 9821 [2022-11-25 22:32:24,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:32:24,468 INFO L413 NwaCegarLoop]: 3534 mSDtfsCounter, 2352 mSDsluCounter, 6356 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2354 SdHoareTripleChecker+Valid, 9890 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:24,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2354 Valid, 9890 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1134 Invalid, 3 Unknown, 0 Unchecked, 9.7s Time] [2022-11-25 22:32:24,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9821 states. [2022-11-25 22:32:25,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9821 to 9762. [2022-11-25 22:32:25,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9762 states, 5307 states have (on average 1.2035048049745618) internal successors, (6387), 5549 states have internal predecessors, (6387), 3500 states have call successors, (3500), 931 states have call predecessors, (3500), 925 states have return successors, (3535), 3428 states have call predecessors, (3535), 3498 states have call successors, (3535) [2022-11-25 22:32:25,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9762 states to 9762 states and 13422 transitions. [2022-11-25 22:32:25,177 INFO L78 Accepts]: Start accepts. Automaton has 9762 states and 13422 transitions. Word has length 114 [2022-11-25 22:32:25,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:25,178 INFO L495 AbstractCegarLoop]: Abstraction has 9762 states and 13422 transitions. [2022-11-25 22:32:25,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 22:32:25,178 INFO L276 IsEmpty]: Start isEmpty. Operand 9762 states and 13422 transitions. [2022-11-25 22:32:25,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-25 22:32:25,181 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:25,181 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:32:25,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-25 22:32:25,181 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:32:25,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:25,182 INFO L85 PathProgramCache]: Analyzing trace with hash -114128769, now seen corresponding path program 1 times [2022-11-25 22:32:25,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:25,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565241744] [2022-11-25 22:32:25,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:25,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:26,027 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-11-25 22:32:26,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:26,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565241744] [2022-11-25 22:32:26,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565241744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:26,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:32:26,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:32:26,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914163511] [2022-11-25 22:32:26,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:26,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:32:26,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:26,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:32:26,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:32:26,031 INFO L87 Difference]: Start difference. First operand 9762 states and 13422 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 22:32:29,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:33,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:35,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:39,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:39,473 INFO L93 Difference]: Finished difference Result 22374 states and 30623 transitions. [2022-11-25 22:32:39,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:32:39,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 140 [2022-11-25 22:32:39,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:39,532 INFO L225 Difference]: With dead ends: 22374 [2022-11-25 22:32:39,532 INFO L226 Difference]: Without dead ends: 16196 [2022-11-25 22:32:39,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:32:39,564 INFO L413 NwaCegarLoop]: 3996 mSDtfsCounter, 2662 mSDsluCounter, 10805 mSDsCounter, 0 mSdLazyCounter, 1737 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2663 SdHoareTripleChecker+Valid, 14801 SdHoareTripleChecker+Invalid, 1743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1737 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:39,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2663 Valid, 14801 Invalid, 1743 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1737 Invalid, 2 Unknown, 0 Unchecked, 12.2s Time] [2022-11-25 22:32:39,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16196 states. [2022-11-25 22:32:40,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16196 to 15996. [2022-11-25 22:32:40,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15996 states, 8666 states have (on average 1.1959381490883914) internal successors, (10364), 9040 states have internal predecessors, (10364), 5714 states have call successors, (5714), 1592 states have call predecessors, (5714), 1586 states have return successors, (5800), 5596 states have call predecessors, (5800), 5712 states have call successors, (5800) [2022-11-25 22:32:40,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15996 states to 15996 states and 21878 transitions. [2022-11-25 22:32:40,724 INFO L78 Accepts]: Start accepts. Automaton has 15996 states and 21878 transitions. Word has length 140 [2022-11-25 22:32:40,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:40,724 INFO L495 AbstractCegarLoop]: Abstraction has 15996 states and 21878 transitions. [2022-11-25 22:32:40,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 22:32:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand 15996 states and 21878 transitions. [2022-11-25 22:32:40,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-25 22:32:40,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:40,727 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:32:40,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-25 22:32:40,728 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-25 22:32:40,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:40,728 INFO L85 PathProgramCache]: Analyzing trace with hash 886106015, now seen corresponding path program 1 times [2022-11-25 22:32:40,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:40,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923046909] [2022-11-25 22:32:40,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:40,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:41,184 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-25 22:32:41,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:41,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923046909] [2022-11-25 22:32:41,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923046909] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:32:41,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907382544] [2022-11-25 22:32:41,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:41,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:41,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:32:41,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:32:41,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd611fc4-13f7-49f2-9d3a-905f8f626193/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:32:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:42,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 5327 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 22:32:42,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:32:42,944 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-25 22:32:42,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:32:43,106 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-25 22:32:43,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907382544] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:32:43,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1265618664] [2022-11-25 22:32:43,144 INFO L159 IcfgInterpreter]: Started Sifa with 96 locations of interest [2022-11-25 22:32:43,144 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:32:43,150 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:32:43,154 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:32:43,155 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:33:07,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-25 22:33:11,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-25 22:33:12,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-25 22:33:12,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-25 22:33:15,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-25 22:33:16,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-25 22:33:20,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-25 22:36:48,792 WARN L233 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 8386 DAG size of output: 8211 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 22:37:02,920 WARN L233 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 8386 DAG size of output: 8211 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 22:40:06,769 WARN L233 SmtUtils]: Spent 5.30s on a formula simplification. DAG size of input: 8391 DAG size of output: 8214 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-25 22:40:21,753 WARN L233 SmtUtils]: Spent 5.73s on a formula simplification. DAG size of input: 8391 DAG size of output: 8214 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)