./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.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_00f2892a-409d-450f-808c-56c50bdafec2/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f2892a-409d-450f-808c-56c50bdafec2/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_00f2892a-409d-450f-808c-56c50bdafec2/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f2892a-409d-450f-808c-56c50bdafec2/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f2892a-409d-450f-808c-56c50bdafec2/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_00f2892a-409d-450f-808c-56c50bdafec2/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 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:24:10,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:24:10,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:24:10,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:24:10,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:24:10,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:24:10,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:24:10,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:24:10,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:24:10,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:24:10,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:24:10,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:24:10,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:24:10,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:24:10,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:24:10,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:24:10,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:24:10,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:24:10,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:24:10,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:24:10,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:24:10,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:24:10,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:24:10,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:24:10,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:24:10,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:24:10,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:24:10,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:24:10,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:24:10,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:24:10,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:24:10,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:24:10,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:24:10,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:24:10,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:24:10,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:24:10,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:24:10,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:24:10,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:24:10,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:24:10,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:24:10,514 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f2892a-409d-450f-808c-56c50bdafec2/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:24:10,553 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:24:10,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:24:10,554 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:24:10,554 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:24:10,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:24:10,555 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:24:10,557 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:24:10,558 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:24:10,558 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:24:10,558 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:24:10,559 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:24:10,559 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:24:10,559 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:24:10,560 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:24:10,560 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:24:10,560 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:24:10,560 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:24:10,560 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:24:10,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:24:10,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:24:10,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:24:10,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:24:10,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:24:10,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:24:10,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:24:10,563 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:24:10,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:24:10,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:24:10,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:24:10,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:24:10,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:24:10,565 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:24:10,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:24:10,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:24:10,566 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:24:10,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:24:10,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:24:10,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:24:10,566 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_00f2892a-409d-450f-808c-56c50bdafec2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f2892a-409d-450f-808c-56c50bdafec2/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2022-11-26 00:24:10,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:24:10,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:24:10,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:24:10,964 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:24:10,965 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:24:10,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f2892a-409d-450f-808c-56c50bdafec2/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-26 00:24:14,013 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:24:14,841 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:24:14,842 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f2892a-409d-450f-808c-56c50bdafec2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-26 00:24:14,905 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f2892a-409d-450f-808c-56c50bdafec2/bin/utaipan-ByfvJB40ur/data/77f964e91/0b5fce68966d499ca7a258f567b5bef1/FLAG2367bc97c [2022-11-26 00:24:14,921 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f2892a-409d-450f-808c-56c50bdafec2/bin/utaipan-ByfvJB40ur/data/77f964e91/0b5fce68966d499ca7a258f567b5bef1 [2022-11-26 00:24:14,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:24:14,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:24:14,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:24:14,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:24:14,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:24:14,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:24:14" (1/1) ... [2022-11-26 00:24:14,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122cc4a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:14, skipping insertion in model container [2022-11-26 00:24:14,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:24:14" (1/1) ... [2022-11-26 00:24:14,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:24:15,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:24:16,182 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-11-26 00:24:16,197 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-11-26 00:24:16,244 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:24:16,275 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:24:16,299 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:24:16,328 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:24:16,456 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:16,541 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:24:16,548 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:24:16,549 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:24:16,566 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:24:16,582 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:24:16,590 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-26 00:24:16,624 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:24:16,631 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:24:16,635 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:24:16,641 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-26 00:24:16,648 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 00:24:16,742 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-26 00:24:16,753 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:24:16,754 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:24:16,813 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 00:24:16,831 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 00:24:16,832 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 00:24:16,851 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:24:16,852 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:24:16,927 WARN L623 FunctionHandler]: Unknown extern function dql_completed [2022-11-26 00:24:16,941 WARN L623 FunctionHandler]: Unknown extern function dql_reset [2022-11-26 00:24:16,964 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-26 00:24:17,017 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:24:17,019 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:24:17,020 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:24:17,021 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:24:17,021 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-26 00:24:17,154 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:24:17,228 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-26 00:24:17,392 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-26 00:24:17,394 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:24:17,395 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:24:17,396 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:24:17,434 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:24:17,435 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:24:17,438 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-11-26 00:24:17,448 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-26 00:24:17,456 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-26 00:24:17,457 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-26 00:24:17,494 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:24:17,512 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 00:24:17,512 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-26 00:24:17,555 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_542 [2022-11-26 00:24:17,556 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_551 [2022-11-26 00:24:17,558 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:24:17,558 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:24:17,565 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-26 00:24:17,571 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-11-26 00:24:17,572 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:24:17,572 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:24:17,590 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-26 00:24:17,596 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-11-26 00:24:17,598 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-26 00:24:17,605 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-26 00:24:17,617 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:17,632 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:24:17,657 WARN L623 FunctionHandler]: Unknown extern function rtnl_is_locked [2022-11-26 00:24:17,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:24:17,659 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-26 00:24:17,666 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-11-26 00:24:17,673 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 00:24:17,679 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:24:17,700 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:24:17,701 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:24:17,724 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:24:17,725 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:24:17,731 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:24:17,731 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:24:17,760 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:24:17,785 WARN L623 FunctionHandler]: Unknown extern function mdio_mii_ioctl [2022-11-26 00:24:17,807 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-26 00:24:17,811 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:24:17,812 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:17,813 WARN L623 FunctionHandler]: Unknown extern function pci_select_bars [2022-11-26 00:24:17,813 WARN L623 FunctionHandler]: Unknown extern function pci_request_selected_regions [2022-11-26 00:24:17,814 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:17,814 WARN L623 FunctionHandler]: Unknown extern function pci_enable_pcie_error_reporting [2022-11-26 00:24:17,815 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:24:17,815 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:17,816 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:24:17,817 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:24:17,818 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:24:17,819 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-11-26 00:24:17,819 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:17,821 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:17,822 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:17,823 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:17,824 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:24:17,826 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:17,827 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:24:17,828 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:24:17,828 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:24:17,829 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:24:17,829 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:24:17,830 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:17,830 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:24:17,831 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-26 00:24:17,831 WARN L623 FunctionHandler]: Unknown extern function pci_release_selected_regions [2022-11-26 00:24:17,832 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:24:17,838 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:24:17,838 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:24:17,839 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-26 00:24:17,839 WARN L623 FunctionHandler]: Unknown extern function pci_select_bars [2022-11-26 00:24:17,840 WARN L623 FunctionHandler]: Unknown extern function pci_release_selected_regions [2022-11-26 00:24:17,840 WARN L623 FunctionHandler]: Unknown extern function pci_disable_pcie_error_reporting [2022-11-26 00:24:17,840 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:24:17,847 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:24:17,854 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:24:17,863 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:24:17,863 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:24:17,864 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:24:17,864 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:24:17,865 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:24:17,871 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:24:17,871 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:24:17,872 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:24:17,872 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:17,873 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:24:17,873 WARN L623 FunctionHandler]: Unknown extern function pci_cleanup_aer_uncorrect_error_status [2022-11-26 00:24:17,874 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:24:17,879 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:24:17,880 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:24:17,881 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:24:17,881 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:24:18,429 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:18,430 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:18,430 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:18,430 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:18,431 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:18,431 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:18,431 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:18,432 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:18,432 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:18,432 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:18,433 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:18,433 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:18,433 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:18,433 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:18,434 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:18,434 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:18,439 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 00:24:18,441 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:24:18,446 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:24:18,446 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:24:18,448 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:24:18,448 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:24:18,461 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:24:18,470 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:24:18,480 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-26 00:24:18,490 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:24:18,492 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:24:18,492 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:24:18,493 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 00:24:18,494 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:24:18,495 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:24:18,495 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:24:18,496 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:24:18,496 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:24:18,497 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:24:18,559 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_119 [2022-11-26 00:24:18,559 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_120 [2022-11-26 00:24:18,560 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_121 [2022-11-26 00:24:18,560 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_122 [2022-11-26 00:24:18,560 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_123 [2022-11-26 00:24:18,597 WARN L623 FunctionHandler]: Unknown extern function rtnl_is_locked [2022-11-26 00:24:18,598 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:24:18,598 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-26 00:24:18,612 WARN L623 FunctionHandler]: Unknown extern function rtnl_is_locked [2022-11-26 00:24:18,612 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:24:18,613 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-26 00:24:18,635 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_274 [2022-11-26 00:24:18,642 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:24:18,651 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-26 00:24:18,714 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-26 00:24:18,720 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-26 00:24:18,788 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:18,856 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:18,856 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:18,863 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-26 00:24:18,864 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-26 00:24:18,874 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:18,879 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:18,880 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:18,882 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:18,882 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:18,883 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:18,883 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:18,884 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:18,886 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:18,886 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:18,890 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:18,910 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:18,913 WARN L623 FunctionHandler]: Unknown extern function pcie_get_readrq [2022-11-26 00:24:18,913 WARN L623 FunctionHandler]: Unknown extern function pcie_set_readrq [2022-11-26 00:24:18,980 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:24:18,980 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:24:18,991 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:24:19,749 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_00f2892a-409d-450f-808c-56c50bdafec2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2022-11-26 00:24:19,753 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_00f2892a-409d-450f-808c-56c50bdafec2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2022-11-26 00:24:19,754 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_00f2892a-409d-450f-808c-56c50bdafec2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2022-11-26 00:24:19,755 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_00f2892a-409d-450f-808c-56c50bdafec2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2022-11-26 00:24:19,756 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:19,757 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:19,758 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:19,777 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:19,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:24:19,874 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:24:20,020 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-11-26 00:24:20,021 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-11-26 00:24:20,024 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:24:20,024 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:24:20,025 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:24:20,026 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:24:20,030 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,035 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:24:20,036 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:24:20,038 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:24:20,041 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:24:20,043 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:24:20,044 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-26 00:24:20,047 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:24:20,047 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:24:20,048 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:24:20,049 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-26 00:24:20,050 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 00:24:20,056 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-26 00:24:20,056 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:24:20,057 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:24:20,112 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 00:24:20,113 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 00:24:20,113 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 00:24:20,115 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:24:20,115 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:24:20,117 WARN L623 FunctionHandler]: Unknown extern function dql_completed [2022-11-26 00:24:20,118 WARN L623 FunctionHandler]: Unknown extern function dql_reset [2022-11-26 00:24:20,119 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-26 00:24:20,120 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:24:20,121 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:24:20,121 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:24:20,121 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:24:20,122 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-26 00:24:20,124 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:24:20,126 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-26 00:24:20,131 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-26 00:24:20,132 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:24:20,133 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:24:20,133 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:24:20,140 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:24:20,140 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:24:20,141 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-11-26 00:24:20,144 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-26 00:24:20,145 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-26 00:24:20,146 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-26 00:24:20,150 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:24:20,152 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 00:24:20,152 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-26 00:24:20,159 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_542 [2022-11-26 00:24:20,159 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_551 [2022-11-26 00:24:20,160 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:24:20,161 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:24:20,162 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-26 00:24:20,162 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-11-26 00:24:20,162 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:24:20,163 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:24:20,164 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-26 00:24:20,164 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-11-26 00:24:20,165 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-26 00:24:20,166 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-26 00:24:20,168 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:20,170 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:24:20,171 WARN L623 FunctionHandler]: Unknown extern function rtnl_is_locked [2022-11-26 00:24:20,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:24:20,172 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-26 00:24:20,174 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-11-26 00:24:20,174 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 00:24:20,175 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:24:20,178 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:24:20,178 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:24:20,180 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:24:20,180 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:24:20,181 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:24:20,181 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:24:20,188 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:24:20,191 WARN L623 FunctionHandler]: Unknown extern function mdio_mii_ioctl [2022-11-26 00:24:20,195 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-26 00:24:20,196 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:24:20,197 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:20,197 WARN L623 FunctionHandler]: Unknown extern function pci_select_bars [2022-11-26 00:24:20,198 WARN L623 FunctionHandler]: Unknown extern function pci_request_selected_regions [2022-11-26 00:24:20,198 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:20,198 WARN L623 FunctionHandler]: Unknown extern function pci_enable_pcie_error_reporting [2022-11-26 00:24:20,199 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:24:20,199 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:20,201 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:24:20,201 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:24:20,202 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:24:20,202 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-11-26 00:24:20,203 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:20,204 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:20,204 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:20,205 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:20,205 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:24:20,207 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:20,207 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:24:20,208 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:24:20,208 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:24:20,209 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:24:20,209 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:24:20,210 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:20,210 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:24:20,210 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-26 00:24:20,211 WARN L623 FunctionHandler]: Unknown extern function pci_release_selected_regions [2022-11-26 00:24:20,211 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:24:20,212 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:24:20,212 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:24:20,212 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-26 00:24:20,213 WARN L623 FunctionHandler]: Unknown extern function pci_select_bars [2022-11-26 00:24:20,213 WARN L623 FunctionHandler]: Unknown extern function pci_release_selected_regions [2022-11-26 00:24:20,213 WARN L623 FunctionHandler]: Unknown extern function pci_disable_pcie_error_reporting [2022-11-26 00:24:20,213 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:24:20,214 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:24:20,216 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:24:20,217 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:24:20,217 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:24:20,217 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:24:20,218 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:24:20,218 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:24:20,219 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:24:20,219 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:24:20,219 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:24:20,220 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:20,220 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:24:20,220 WARN L623 FunctionHandler]: Unknown extern function pci_cleanup_aer_uncorrect_error_status [2022-11-26 00:24:20,221 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:24:20,221 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:24:20,222 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:24:20,222 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:24:20,222 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:24:20,230 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,230 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,230 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,231 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,231 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,231 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,231 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,232 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,232 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,232 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,232 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,233 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,233 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,233 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,233 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,234 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,236 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 00:24:20,238 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:24:20,241 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:24:20,241 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:24:20,242 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:24:20,243 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:24:20,251 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:24:20,257 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:24:20,284 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-26 00:24:20,295 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:24:20,296 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:24:20,297 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:24:20,298 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 00:24:20,298 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:24:20,298 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:24:20,299 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:24:20,299 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:24:20,300 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:24:20,300 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:24:20,305 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_119 [2022-11-26 00:24:20,305 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_120 [2022-11-26 00:24:20,305 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_121 [2022-11-26 00:24:20,306 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_122 [2022-11-26 00:24:20,306 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_123 [2022-11-26 00:24:20,309 WARN L623 FunctionHandler]: Unknown extern function rtnl_is_locked [2022-11-26 00:24:20,309 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:24:20,310 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-26 00:24:20,312 WARN L623 FunctionHandler]: Unknown extern function rtnl_is_locked [2022-11-26 00:24:20,313 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:24:20,313 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-26 00:24:20,316 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_274 [2022-11-26 00:24:20,317 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:24:20,320 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-26 00:24:20,321 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-26 00:24:20,323 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-26 00:24:20,327 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:20,333 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:20,334 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:20,335 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-26 00:24:20,336 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-26 00:24:20,340 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:20,341 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:20,341 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:20,343 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:20,344 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:20,344 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:20,344 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:20,345 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:20,346 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:20,346 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:20,350 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:24:20,363 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:24:20,366 WARN L623 FunctionHandler]: Unknown extern function pcie_get_readrq [2022-11-26 00:24:20,367 WARN L623 FunctionHandler]: Unknown extern function pcie_set_readrq [2022-11-26 00:24:20,382 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:24:20,382 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:24:20,383 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:24:20,409 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_00f2892a-409d-450f-808c-56c50bdafec2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2022-11-26 00:24:20,410 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_00f2892a-409d-450f-808c-56c50bdafec2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2022-11-26 00:24:20,410 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_00f2892a-409d-450f-808c-56c50bdafec2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2022-11-26 00:24:20,411 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_00f2892a-409d-450f-808c-56c50bdafec2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2022-11-26 00:24:20,412 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,415 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,417 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,420 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:24:20,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:24:20,915 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:24:20,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:20 WrapperNode [2022-11-26 00:24:20,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:24:20,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:24:20,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:24:20,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:24:20,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:20" (1/1) ... [2022-11-26 00:24:21,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:20" (1/1) ... [2022-11-26 00:24:21,374 INFO L138 Inliner]: procedures = 676, calls = 4362, calls flagged for inlining = 337, calls inlined = 299, statements flattened = 8508 [2022-11-26 00:24:21,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:24:21,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:24:21,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:24:21,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:24:21,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:20" (1/1) ... [2022-11-26 00:24:21,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:20" (1/1) ... [2022-11-26 00:24:21,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:20" (1/1) ... [2022-11-26 00:24:21,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:20" (1/1) ... [2022-11-26 00:24:21,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:20" (1/1) ... [2022-11-26 00:24:21,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:20" (1/1) ... [2022-11-26 00:24:21,845 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:20" (1/1) ... [2022-11-26 00:24:21,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:20" (1/1) ... [2022-11-26 00:24:21,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:24:21,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:24:21,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:24:21,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:24:21,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:20" (1/1) ... [2022-11-26 00:24:22,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:24:22,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f2892a-409d-450f-808c-56c50bdafec2/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:24:22,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f2892a-409d-450f-808c-56c50bdafec2/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:24:22,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f2892a-409d-450f-808c-56c50bdafec2/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:24:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-26 00:24:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-26 00:24:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:24:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:24:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-11-26 00:24:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-11-26 00:24:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-11-26 00:24:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-11-26 00:24:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:24:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:24:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-11-26 00:24:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-11-26 00:24:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-11-26 00:24:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-11-26 00:24:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-26 00:24:22,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-26 00:24:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-11-26 00:24:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-11-26 00:24:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-11-26 00:24:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-11-26 00:24:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 00:24:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 00:24:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-26 00:24:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-26 00:24:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-11-26 00:24:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-11-26 00:24:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-26 00:24:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-26 00:24:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-26 00:24:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-26 00:24:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-11-26 00:24:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-11-26 00:24:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-11-26 00:24:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-11-26 00:24:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-11-26 00:24:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-11-26 00:24:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:24:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:24:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-11-26 00:24:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-11-26 00:24:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-11-26 00:24:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-11-26 00:24:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-26 00:24:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-26 00:24:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:24:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 00:24:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-26 00:24:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-26 00:24:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-26 00:24:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-26 00:24:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-11-26 00:24:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-11-26 00:24:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-11-26 00:24:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-11-26 00:24:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:24:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:24:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-11-26 00:24:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-11-26 00:24:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-26 00:24:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-26 00:24:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:24:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-26 00:24:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-26 00:24:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-11-26 00:24:22,091 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-11-26 00:24:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2022-11-26 00:24:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2022-11-26 00:24:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-26 00:24:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-26 00:24:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-26 00:24:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-26 00:24:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-11-26 00:24:22,092 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-11-26 00:24:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-26 00:24:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-11-26 00:24:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-11-26 00:24:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-26 00:24:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-26 00:24:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-26 00:24:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-26 00:24:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:24:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-11-26 00:24:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-11-26 00:24:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-11-26 00:24:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-11-26 00:24:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-26 00:24:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-26 00:24:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-11-26 00:24:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-11-26 00:24:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-26 00:24:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-26 00:24:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:24:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-11-26 00:24:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-11-26 00:24:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 00:24:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 00:24:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:24:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-26 00:24:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-26 00:24:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 00:24:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 00:24:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-26 00:24:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-26 00:24:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-11-26 00:24:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-11-26 00:24:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-11-26 00:24:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-11-26 00:24:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-26 00:24:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-26 00:24:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-26 00:24:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-26 00:24:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-11-26 00:24:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-11-26 00:24:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-11-26 00:24:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-11-26 00:24:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-26 00:24:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-26 00:24:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-26 00:24:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-26 00:24:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:24:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-26 00:24:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-26 00:24:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-26 00:24:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-26 00:24:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-26 00:24:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-26 00:24:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-11-26 00:24:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-11-26 00:24:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-26 00:24:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-26 00:24:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-11-26 00:24:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-11-26 00:24:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:24:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-26 00:24:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-26 00:24:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:24:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:24:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-26 00:24:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-26 00:24:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:24:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-26 00:24:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-11-26 00:24:22,107 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-11-26 00:24:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-11-26 00:24:22,107 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-11-26 00:24:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-11-26 00:24:22,107 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-11-26 00:24:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:24:22,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:24:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:24:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:24:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2022-11-26 00:24:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2022-11-26 00:24:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-11-26 00:24:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-11-26 00:24:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-11-26 00:24:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-11-26 00:24:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-11-26 00:24:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-11-26 00:24:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-11-26 00:24:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-11-26 00:24:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-26 00:24:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-26 00:24:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-26 00:24:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-26 00:24:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-26 00:24:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-26 00:24:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 00:24:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 00:24:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-11-26 00:24:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-11-26 00:24:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-26 00:24:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-26 00:24:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-26 00:24:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-26 00:24:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-11-26 00:24:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-11-26 00:24:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-26 00:24:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-26 00:24:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-11-26 00:24:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-11-26 00:24:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:24:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:24:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-26 00:24:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-26 00:24:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-26 00:24:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-26 00:24:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:24:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:24:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:24:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:24:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-26 00:24:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-26 00:24:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-26 00:24:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-26 00:24:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 00:24:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 00:24:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-26 00:24:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-26 00:24:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-26 00:24:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-26 00:24:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-26 00:24:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-11-26 00:24:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-11-26 00:24:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-26 00:24:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-26 00:24:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-26 00:24:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-26 00:24:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-11-26 00:24:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-11-26 00:24:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-26 00:24:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-26 00:24:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-26 00:24:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-26 00:24:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-11-26 00:24:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-11-26 00:24:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:24:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:24:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-11-26 00:24:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-11-26 00:24:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-11-26 00:24:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-11-26 00:24:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-26 00:24:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-26 00:24:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-26 00:24:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-26 00:24:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-26 00:24:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-26 00:24:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-26 00:24:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-26 00:24:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-26 00:24:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-26 00:24:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-26 00:24:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-26 00:24:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:24:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 00:24:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 00:24:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-11-26 00:24:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-11-26 00:24:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-11-26 00:24:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-11-26 00:24:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-26 00:24:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-26 00:24:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-11-26 00:24:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-11-26 00:24:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-26 00:24:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-26 00:24:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:24:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-11-26 00:24:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-11-26 00:24:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:24:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-11-26 00:24:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-11-26 00:24:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-26 00:24:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-26 00:24:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-26 00:24:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-26 00:24:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-11-26 00:24:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-11-26 00:24:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-26 00:24:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-26 00:24:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-26 00:24:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-26 00:24:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-26 00:24:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-26 00:24:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-26 00:24:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-26 00:24:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 00:24:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 00:24:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-26 00:24:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-26 00:24:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-11-26 00:24:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-11-26 00:24:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2022-11-26 00:24:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2022-11-26 00:24:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-11-26 00:24:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-11-26 00:24:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-26 00:24:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-26 00:24:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-26 00:24:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-26 00:24:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2022-11-26 00:24:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2022-11-26 00:24:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-11-26 00:24:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-11-26 00:24:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-26 00:24:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-26 00:24:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-11-26 00:24:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-11-26 00:24:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:24:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:24:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-11-26 00:24:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-11-26 00:24:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:24:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:24:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:24:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-11-26 00:24:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-11-26 00:24:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-26 00:24:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-26 00:24:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-11-26 00:24:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-11-26 00:24:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-11-26 00:24:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-11-26 00:24:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-11-26 00:24:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-11-26 00:24:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-26 00:24:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-26 00:24:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-11-26 00:24:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-11-26 00:24:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-26 00:24:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-26 00:24:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-26 00:24:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-26 00:24:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-11-26 00:24:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-11-26 00:24:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-11-26 00:24:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-11-26 00:24:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-11-26 00:24:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-11-26 00:24:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-11-26 00:24:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-11-26 00:24:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_89 [2022-11-26 00:24:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_89 [2022-11-26 00:24:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-11-26 00:24:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-11-26 00:24:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-26 00:24:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-26 00:24:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-26 00:24:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-26 00:24:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 00:24:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 00:24:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-26 00:24:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-26 00:24:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-26 00:24:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-26 00:24:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-11-26 00:24:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-11-26 00:24:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-11-26 00:24:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-11-26 00:24:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-11-26 00:24:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-11-26 00:24:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-26 00:24:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-26 00:24:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-26 00:24:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-26 00:24:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-26 00:24:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-26 00:24:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:24:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-26 00:24:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-26 00:24:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-11-26 00:24:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-11-26 00:24:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-11-26 00:24:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-11-26 00:24:23,259 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:24:23,262 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:24:23,443 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:24:34,621 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-26 00:24:34,971 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:24:37,482 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:24:37,482 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-26 00:24:37,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:24:37 BoogieIcfgContainer [2022-11-26 00:24:37,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:24:37,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:24:37,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:24:37,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:24:37,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:24:14" (1/3) ... [2022-11-26 00:24:37,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593ec1dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:24:37, skipping insertion in model container [2022-11-26 00:24:37,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:20" (2/3) ... [2022-11-26 00:24:37,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593ec1dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:24:37, skipping insertion in model container [2022-11-26 00:24:37,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:24:37" (3/3) ... [2022-11-26 00:24:37,503 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-26 00:24:37,623 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:24:37,624 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-26 00:24:37,748 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:24:37,758 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;@465d198, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:24:37,758 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-26 00:24:37,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 2384 states, 1351 states have (on average 1.2672094744633604) internal successors, (1712), 1397 states have internal predecessors, (1712), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) [2022-11-26 00:24:37,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-26 00:24:37,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:37,850 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:24:37,851 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:24:37,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:37,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1837684023, now seen corresponding path program 1 times [2022-11-26 00:24:37,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:37,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471725490] [2022-11-26 00:24:37,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:37,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:39,183 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-11-26 00:24:39,183 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:39,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471725490] [2022-11-26 00:24:39,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471725490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:24:39,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:24:39,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:24:39,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883659169] [2022-11-26 00:24:39,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:24:39,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:24:39,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:39,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:24:39,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:24:39,243 INFO L87 Difference]: Start difference. First operand has 2384 states, 1351 states have (on average 1.2672094744633604) internal successors, (1712), 1397 states have internal predecessors, (1712), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-26 00:24:41,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:24:43,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:24:46,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:24:46,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:24:46,597 INFO L93 Difference]: Finished difference Result 6804 states and 10079 transitions. [2022-11-26 00:24:46,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:24:46,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 181 [2022-11-26 00:24:46,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:24:46,762 INFO L225 Difference]: With dead ends: 6804 [2022-11-26 00:24:46,762 INFO L226 Difference]: Without dead ends: 4440 [2022-11-26 00:24:46,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:24:46,789 INFO L413 NwaCegarLoop]: 3714 mSDtfsCounter, 3023 mSDsluCounter, 2933 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3023 SdHoareTripleChecker+Valid, 6647 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:24:46,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3023 Valid, 6647 Invalid, 853 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 845 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-11-26 00:24:46,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4440 states. [2022-11-26 00:24:47,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4440 to 4435. [2022-11-26 00:24:47,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4435 states, 2524 states have (on average 1.2591125198098256) internal successors, (3178), 2603 states have internal predecessors, (3178), 1587 states have call successors, (1587), 322 states have call predecessors, (1587), 321 states have return successors, (1583), 1561 states have call predecessors, (1583), 1583 states have call successors, (1583) [2022-11-26 00:24:47,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4435 states to 4435 states and 6348 transitions. [2022-11-26 00:24:47,222 INFO L78 Accepts]: Start accepts. Automaton has 4435 states and 6348 transitions. Word has length 181 [2022-11-26 00:24:47,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:24:47,226 INFO L495 AbstractCegarLoop]: Abstraction has 4435 states and 6348 transitions. [2022-11-26 00:24:47,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-26 00:24:47,227 INFO L276 IsEmpty]: Start isEmpty. Operand 4435 states and 6348 transitions. [2022-11-26 00:24:47,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-26 00:24:47,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:24:47,244 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:24:47,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:24:47,245 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:24:47,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:24:47,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1689532330, now seen corresponding path program 1 times [2022-11-26 00:24:47,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:24:47,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335642320] [2022-11-26 00:24:47,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:24:47,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:24:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:24:48,873 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-11-26 00:24:48,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:24:48,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335642320] [2022-11-26 00:24:48,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335642320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:24:48,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:24:48,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:24:48,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223248576] [2022-11-26 00:24:48,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:24:48,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:24:48,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:24:48,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:24:48,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:24:48,879 INFO L87 Difference]: Start difference. First operand 4435 states and 6348 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-26 00:24:53,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:25:05,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:05,591 INFO L93 Difference]: Finished difference Result 12000 states and 17055 transitions. [2022-11-26 00:25:05,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:25:05,592 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 182 [2022-11-26 00:25:05,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:05,656 INFO L225 Difference]: With dead ends: 12000 [2022-11-26 00:25:05,657 INFO L226 Difference]: Without dead ends: 7598 [2022-11-26 00:25:05,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:25:05,683 INFO L413 NwaCegarLoop]: 4322 mSDtfsCounter, 10917 mSDsluCounter, 5301 mSDsCounter, 0 mSdLazyCounter, 3471 mSolverCounterSat, 5640 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11061 SdHoareTripleChecker+Valid, 9623 SdHoareTripleChecker+Invalid, 9112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5640 IncrementalHoareTripleChecker+Valid, 3471 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:05,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11061 Valid, 9623 Invalid, 9112 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5640 Valid, 3471 Invalid, 1 Unknown, 0 Unchecked, 15.8s Time] [2022-11-26 00:25:05,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7598 states. [2022-11-26 00:25:06,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7598 to 7516. [2022-11-26 00:25:06,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7516 states, 4253 states have (on average 1.2532330119915354) internal successors, (5330), 4396 states have internal predecessors, (5330), 2650 states have call successors, (2650), 613 states have call predecessors, (2650), 610 states have return successors, (2650), 2592 states have call predecessors, (2650), 2646 states have call successors, (2650) [2022-11-26 00:25:06,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7516 states to 7516 states and 10630 transitions. [2022-11-26 00:25:06,458 INFO L78 Accepts]: Start accepts. Automaton has 7516 states and 10630 transitions. Word has length 182 [2022-11-26 00:25:06,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:06,460 INFO L495 AbstractCegarLoop]: Abstraction has 7516 states and 10630 transitions. [2022-11-26 00:25:06,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-26 00:25:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 7516 states and 10630 transitions. [2022-11-26 00:25:06,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-26 00:25:06,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:06,467 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:06,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:25:06,468 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:25:06,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:06,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1922085328, now seen corresponding path program 1 times [2022-11-26 00:25:06,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:06,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438347418] [2022-11-26 00:25:06,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:06,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:07,171 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-11-26 00:25:07,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:07,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438347418] [2022-11-26 00:25:07,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438347418] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:07,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:07,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:25:07,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999231408] [2022-11-26 00:25:07,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:07,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:25:07,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:07,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:25:07,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:07,177 INFO L87 Difference]: Start difference. First operand 7516 states and 10630 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-26 00:25:10,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:25:12,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:25:14,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:14,338 INFO L93 Difference]: Finished difference Result 22235 states and 31551 transitions. [2022-11-26 00:25:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:25:14,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 192 [2022-11-26 00:25:14,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:14,451 INFO L225 Difference]: With dead ends: 22235 [2022-11-26 00:25:14,452 INFO L226 Difference]: Without dead ends: 14752 [2022-11-26 00:25:14,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:14,495 INFO L413 NwaCegarLoop]: 4102 mSDtfsCounter, 3052 mSDsluCounter, 2966 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3052 SdHoareTripleChecker+Valid, 7068 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:14,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3052 Valid, 7068 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 902 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-26 00:25:14,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14752 states. [2022-11-26 00:25:15,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14752 to 14712. [2022-11-26 00:25:15,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14712 states, 8338 states have (on average 1.252698488846246) internal successors, (10445), 8618 states have internal predecessors, (10445), 5168 states have call successors, (5168), 1208 states have call predecessors, (5168), 1203 states have return successors, (5288), 5056 states have call predecessors, (5288), 5164 states have call successors, (5288) [2022-11-26 00:25:15,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14712 states to 14712 states and 20901 transitions. [2022-11-26 00:25:15,496 INFO L78 Accepts]: Start accepts. Automaton has 14712 states and 20901 transitions. Word has length 192 [2022-11-26 00:25:15,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:15,498 INFO L495 AbstractCegarLoop]: Abstraction has 14712 states and 20901 transitions. [2022-11-26 00:25:15,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-26 00:25:15,498 INFO L276 IsEmpty]: Start isEmpty. Operand 14712 states and 20901 transitions. [2022-11-26 00:25:15,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-26 00:25:15,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:15,503 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:15,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:25:15,504 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:25:15,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:15,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1925263895, now seen corresponding path program 1 times [2022-11-26 00:25:15,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:15,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046038460] [2022-11-26 00:25:15,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:15,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:16,095 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-11-26 00:25:16,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:16,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046038460] [2022-11-26 00:25:16,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046038460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:16,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:16,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:25:16,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191878352] [2022-11-26 00:25:16,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:16,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:25:16,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:16,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:25:16,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:16,098 INFO L87 Difference]: Start difference. First operand 14712 states and 20901 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-26 00:25:19,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:25:21,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:25:23,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:23,605 INFO L93 Difference]: Finished difference Result 43735 states and 62484 transitions. [2022-11-26 00:25:23,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:25:23,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 192 [2022-11-26 00:25:23,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:23,799 INFO L225 Difference]: With dead ends: 43735 [2022-11-26 00:25:23,799 INFO L226 Difference]: Without dead ends: 29056 [2022-11-26 00:25:23,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:23,870 INFO L413 NwaCegarLoop]: 4030 mSDtfsCounter, 3053 mSDsluCounter, 2966 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3053 SdHoareTripleChecker+Valid, 6996 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:23,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3053 Valid, 6996 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 902 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-11-26 00:25:23,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29056 states. [2022-11-26 00:25:25,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29056 to 29008. [2022-11-26 00:25:25,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29008 states, 16460 states have (on average 1.252187120291616) internal successors, (20611), 17014 states have internal predecessors, (20611), 10172 states have call successors, (10172), 2382 states have call predecessors, (10172), 2373 states have return successors, (10756), 9952 states have call predecessors, (10756), 10168 states have call successors, (10756) [2022-11-26 00:25:26,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29008 states to 29008 states and 41539 transitions. [2022-11-26 00:25:26,129 INFO L78 Accepts]: Start accepts. Automaton has 29008 states and 41539 transitions. Word has length 192 [2022-11-26 00:25:26,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:26,130 INFO L495 AbstractCegarLoop]: Abstraction has 29008 states and 41539 transitions. [2022-11-26 00:25:26,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-26 00:25:26,130 INFO L276 IsEmpty]: Start isEmpty. Operand 29008 states and 41539 transitions. [2022-11-26 00:25:26,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-26 00:25:26,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:26,138 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:26,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:25:26,138 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:25:26,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:26,139 INFO L85 PathProgramCache]: Analyzing trace with hash -362502269, now seen corresponding path program 1 times [2022-11-26 00:25:26,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:26,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857370559] [2022-11-26 00:25:26,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:26,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:26,722 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-11-26 00:25:26,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:26,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857370559] [2022-11-26 00:25:26,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857370559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:26,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:26,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:25:26,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761263038] [2022-11-26 00:25:26,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:26,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:25:26,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:26,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:25:26,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:26,727 INFO L87 Difference]: Start difference. First operand 29008 states and 41539 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-26 00:25:30,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:25:33,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:25:36,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:36,588 INFO L93 Difference]: Finished difference Result 84837 states and 120985 transitions. [2022-11-26 00:25:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:25:36,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 193 [2022-11-26 00:25:36,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:37,161 INFO L225 Difference]: With dead ends: 84837 [2022-11-26 00:25:37,161 INFO L226 Difference]: Without dead ends: 55862 [2022-11-26 00:25:37,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:37,296 INFO L413 NwaCegarLoop]: 4091 mSDtfsCounter, 2871 mSDsluCounter, 2884 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2871 SdHoareTripleChecker+Valid, 6975 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:37,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2871 Valid, 6975 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 992 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2022-11-26 00:25:37,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55862 states. [2022-11-26 00:25:40,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55862 to 55799. [2022-11-26 00:25:41,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55799 states, 31442 states have (on average 1.2376121111888556) internal successors, (38913), 32579 states have internal predecessors, (38913), 19637 states have call successors, (19637), 4734 states have call predecessors, (19637), 4717 states have return successors, (20421), 19166 states have call predecessors, (20421), 19633 states have call successors, (20421) [2022-11-26 00:25:41,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55799 states to 55799 states and 78971 transitions. [2022-11-26 00:25:42,001 INFO L78 Accepts]: Start accepts. Automaton has 55799 states and 78971 transitions. Word has length 193 [2022-11-26 00:25:42,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:42,008 INFO L495 AbstractCegarLoop]: Abstraction has 55799 states and 78971 transitions. [2022-11-26 00:25:42,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-26 00:25:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 55799 states and 78971 transitions. [2022-11-26 00:25:42,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-26 00:25:42,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:42,013 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:42,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:25:42,015 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:25:42,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:42,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1406229400, now seen corresponding path program 1 times [2022-11-26 00:25:42,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:42,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431769388] [2022-11-26 00:25:42,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:42,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:42,771 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-11-26 00:25:42,771 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:42,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431769388] [2022-11-26 00:25:42,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431769388] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:42,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:42,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:25:42,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454330676] [2022-11-26 00:25:42,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:42,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:25:42,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:42,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:25:42,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:42,774 INFO L87 Difference]: Start difference. First operand 55799 states and 78971 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-26 00:25:47,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:25:49,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:25:51,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:25:53,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:25:57,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:57,309 INFO L93 Difference]: Finished difference Result 143983 states and 203402 transitions. [2022-11-26 00:25:57,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:25:57,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 192 [2022-11-26 00:25:57,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:58,217 INFO L225 Difference]: With dead ends: 143983 [2022-11-26 00:25:58,218 INFO L226 Difference]: Without dead ends: 88217 [2022-11-26 00:25:58,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:58,533 INFO L413 NwaCegarLoop]: 4015 mSDtfsCounter, 2770 mSDsluCounter, 2900 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 18 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2770 SdHoareTripleChecker+Valid, 6915 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:58,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2770 Valid, 6915 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 951 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2022-11-26 00:25:58,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88217 states. [2022-11-26 00:26:03,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88217 to 88139. [2022-11-26 00:26:03,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88139 states, 49948 states have (on average 1.2269960759189558) internal successors, (61286), 51625 states have internal predecessors, (61286), 30653 states have call successors, (30653), 7584 states have call predecessors, (30653), 7535 states have return successors, (31938), 29923 states have call predecessors, (31938), 30649 states have call successors, (31938) [2022-11-26 00:26:04,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88139 states to 88139 states and 123877 transitions. [2022-11-26 00:26:04,139 INFO L78 Accepts]: Start accepts. Automaton has 88139 states and 123877 transitions. Word has length 192 [2022-11-26 00:26:04,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:26:04,140 INFO L495 AbstractCegarLoop]: Abstraction has 88139 states and 123877 transitions. [2022-11-26 00:26:04,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-26 00:26:04,141 INFO L276 IsEmpty]: Start isEmpty. Operand 88139 states and 123877 transitions. [2022-11-26 00:26:04,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-26 00:26:04,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:26:04,146 INFO L195 NwaCegarLoop]: trace histogram [18, 16, 16, 16, 16, 16, 16, 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] [2022-11-26 00:26:04,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:26:04,146 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-26 00:26:04,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:26:04,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1943244981, now seen corresponding path program 1 times [2022-11-26 00:26:04,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:26:04,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022520364] [2022-11-26 00:26:04,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:04,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:26:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:05,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2022-11-26 00:26:05,776 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:26:05,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022520364] [2022-11-26 00:26:05,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022520364] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:26:05,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:26:05,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:26:05,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356302343] [2022-11-26 00:26:05,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:26:05,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:26:05,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:26:05,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:26:05,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:26:05,780 INFO L87 Difference]: Start difference. First operand 88139 states and 123877 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-26 00:26:15,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:26:20,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:26:33,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:26:33,635 INFO L93 Difference]: Finished difference Result 302494 states and 425829 transitions. [2022-11-26 00:26:33,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:26:33,636 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 214 [2022-11-26 00:26:33,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:26:35,405 INFO L225 Difference]: With dead ends: 302494 [2022-11-26 00:26:35,405 INFO L226 Difference]: Without dead ends: 214388 [2022-11-26 00:26:35,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:26:35,835 INFO L413 NwaCegarLoop]: 5086 mSDtfsCounter, 10516 mSDsluCounter, 5466 mSDsCounter, 0 mSdLazyCounter, 3925 mSolverCounterSat, 4313 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10746 SdHoareTripleChecker+Valid, 10552 SdHoareTripleChecker+Invalid, 8239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4313 IncrementalHoareTripleChecker+Valid, 3925 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:26:35,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10746 Valid, 10552 Invalid, 8239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4313 Valid, 3925 Invalid, 1 Unknown, 0 Unchecked, 17.8s Time] [2022-11-26 00:26:36,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214388 states.