./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137ce11e-4641-409f-8e0c-4cd18da18a37/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137ce11e-4641-409f-8e0c-4cd18da18a37/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137ce11e-4641-409f-8e0c-4cd18da18a37/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137ce11e-4641-409f-8e0c-4cd18da18a37/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137ce11e-4641-409f-8e0c-4cd18da18a37/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137ce11e-4641-409f-8e0c-4cd18da18a37/bin/utaipan-gh47qXpMRh --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 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 06:36:53,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:36:53,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:36:54,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:36:54,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:36:54,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:36:54,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:36:54,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:36:54,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:36:54,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:36:54,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:36:54,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:36:54,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:36:54,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:36:54,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:36:54,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:36:54,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:36:54,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:36:54,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:36:54,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:36:54,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:36:54,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:36:54,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:36:54,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:36:54,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:36:54,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:36:54,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:36:54,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:36:54,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:36:54,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:36:54,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:36:54,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:36:54,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:36:54,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:36:54,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:36:54,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:36:54,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:36:54,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:36:54,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:36:54,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:36:54,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:36:54,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137ce11e-4641-409f-8e0c-4cd18da18a37/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 06:36:54,051 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:36:54,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:36:54,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:36:54,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:36:54,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:36:54,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:36:54,057 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:36:54,057 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:36:54,057 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:36:54,057 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:36:54,057 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:36:54,057 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:36:54,058 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:36:54,058 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:36:54,058 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:36:54,058 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:36:54,058 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:36:54,058 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:36:54,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:36:54,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:36:54,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:36:54,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:36:54,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:36:54,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:36:54,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:36:54,060 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:36:54,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:36:54,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:36:54,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:36:54,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:36:54,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:36:54,061 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:36:54,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:36:54,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:36:54,062 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:36:54,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:36:54,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:36:54,062 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:36:54,062 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_137ce11e-4641-409f-8e0c-4cd18da18a37/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137ce11e-4641-409f-8e0c-4cd18da18a37/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b [2022-12-14 06:36:54,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:36:54,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:36:54,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:36:54,270 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:36:54,270 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:36:54,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137ce11e-4641-409f-8e0c-4cd18da18a37/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-12-14 06:36:56,887 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:36:57,293 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:36:57,293 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137ce11e-4641-409f-8e0c-4cd18da18a37/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-12-14 06:36:57,332 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137ce11e-4641-409f-8e0c-4cd18da18a37/bin/utaipan-gh47qXpMRh/data/aedcdf870/feaad8dc285243f39c51135765230f4e/FLAG46b036123 [2022-12-14 06:36:57,342 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137ce11e-4641-409f-8e0c-4cd18da18a37/bin/utaipan-gh47qXpMRh/data/aedcdf870/feaad8dc285243f39c51135765230f4e [2022-12-14 06:36:57,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:36:57,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:36:57,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:36:57,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:36:57,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:36:57,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:36:57" (1/1) ... [2022-12-14 06:36:57,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411a1aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:57, skipping insertion in model container [2022-12-14 06:36:57,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:36:57" (1/1) ... [2022-12-14 06:36:57,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:36:57,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:36:58,140 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 06:36:58,217 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:36:58,272 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:36:58,276 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:36:58,276 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 06:36:58,283 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 06:36:58,289 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 06:36:58,296 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 06:36:58,301 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 06:36:58,329 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 06:36:58,335 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:36:58,337 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 06:36:58,343 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 06:36:58,348 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 06:36:58,426 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 06:36:58,482 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 06:36:58,482 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:36:58,534 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 06:36:58,535 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 06:36:58,545 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:36:58,545 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:36:58,577 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 06:36:58,582 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 06:36:58,736 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 06:36:58,998 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:36:58,999 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:36:59,006 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 06:36:59,013 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-14 06:36:59,014 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 06:36:59,014 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:36:59,017 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 06:36:59,018 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:36:59,019 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:36:59,031 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 06:36:59,031 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:36:59,032 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 06:36:59,032 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 06:36:59,033 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-12-14 06:36:59,035 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 06:36:59,035 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 06:36:59,036 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:36:59,037 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:36:59,038 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 06:36:59,038 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:36:59,038 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:36:59,039 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:36:59,040 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:36:59,040 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 06:36:59,040 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 06:36:59,041 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:36:59,041 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 06:36:59,042 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 06:36:59,042 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 06:36:59,042 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:36:59,044 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:36:59,045 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:36:59,046 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-12-14 06:36:59,047 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 06:36:59,049 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-12-14 06:36:59,050 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 06:36:59,054 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 06:36:59,062 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 06:36:59,064 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:36:59,068 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:36:59,069 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:36:59,071 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 06:36:59,071 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:36:59,071 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:36:59,078 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-14 06:36:59,080 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:36:59,087 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:36:59,094 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:36:59,098 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:36:59,115 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:36:59,116 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:36:59,117 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:36:59,119 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:36:59,135 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 06:36:59,135 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-14 06:36:59,139 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:36:59,153 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,165 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:36:59,165 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 06:36:59,166 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 06:36:59,168 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-14 06:36:59,172 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-14 06:36:59,172 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-14 06:36:59,173 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-14 06:36:59,173 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 06:36:59,174 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 06:36:59,174 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:36:59,175 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 06:36:59,175 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:36:59,175 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 06:36:59,176 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:36:59,176 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:36:59,177 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:36:59,177 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 06:36:59,177 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:36:59,178 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 06:36:59,514 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:36:59,514 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:36:59,515 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:36:59,515 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:36:59,515 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:36:59,515 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:36:59,515 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:36:59,515 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:36:59,516 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:36:59,516 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:36:59,516 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:36:59,516 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:36:59,516 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:36:59,516 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:36:59,516 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:36:59,517 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:36:59,518 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 06:36:59,521 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 06:36:59,522 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 06:36:59,530 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 06:36:59,532 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 06:36:59,536 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 06:36:59,537 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 06:36:59,538 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 06:36:59,538 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 06:36:59,539 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 06:36:59,539 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 06:36:59,540 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 06:36:59,540 WARN L623 FunctionHandler]: Unknown extern function ldv_free_irq [2022-12-14 06:36:59,540 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 06:36:59,540 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-12-14 06:36:59,541 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 06:36:59,541 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 06:36:59,541 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:36:59,542 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 06:36:59,542 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:36:59,542 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 06:36:59,542 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 06:36:59,543 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 06:36:59,543 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 06:36:59,543 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 06:36:59,543 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 06:36:59,633 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:36:59,635 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,636 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,637 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,638 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:36:59,639 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,639 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,646 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,649 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,650 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,651 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,652 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,653 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,654 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,655 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,655 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,656 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,658 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,659 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,660 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,660 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:36:59,661 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,662 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,664 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,665 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,666 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,667 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,668 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,669 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,670 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,671 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,672 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,673 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,674 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,675 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,676 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,677 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,679 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,681 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,684 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,686 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,688 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:36:59,689 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:36:59,695 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:36:59,696 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:36:59,697 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,698 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,700 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,702 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,703 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,710 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,711 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,712 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,713 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,713 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:36:59,715 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:36:59,715 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:36:59,760 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:36:59,765 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:36:59,766 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:36:59,772 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:36:59,773 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:36:59,773 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:36:59,773 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:36:59,778 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:36:59,779 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:36:59,780 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:36:59,782 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,783 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,784 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,785 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,792 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,793 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:36:59,820 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 06:36:59,891 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:36:59,898 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:36:59,904 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:36:59,904 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:36:59,904 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:36:59,941 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 06:36:59,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:36:59,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:36:59,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:36:59,951 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:36:59,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:36:59,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:36:59,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:36:59,957 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:36:59,958 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:36:59,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:36:59,960 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:37:00,058 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 06:37:00,059 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 06:37:00,096 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:37:00,179 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_137ce11e-4641-409f-8e0c-4cd18da18a37/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486836,486849] [2022-12-14 06:37:00,182 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_137ce11e-4641-409f-8e0c-4cd18da18a37/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486983,486996] [2022-12-14 06:37:00,182 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_137ce11e-4641-409f-8e0c-4cd18da18a37/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487122,487135] [2022-12-14 06:37:00,183 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_137ce11e-4641-409f-8e0c-4cd18da18a37/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487280,487293] [2022-12-14 06:37:00,183 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,184 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,185 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,202 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,203 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:37:00,249 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:37:00,327 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 06:37:00,329 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,334 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:37:00,335 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:37:00,335 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 06:37:00,336 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 06:37:00,337 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 06:37:00,338 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 06:37:00,339 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 06:37:00,341 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 06:37:00,342 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:37:00,343 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 06:37:00,343 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 06:37:00,344 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 06:37:00,347 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 06:37:00,350 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 06:37:00,350 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:37:00,352 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 06:37:00,352 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 06:37:00,354 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:37:00,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:37:00,356 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 06:37:00,356 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 06:37:00,359 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 06:37:00,362 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:37:00,363 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:37:00,364 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 06:37:00,366 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-14 06:37:00,366 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 06:37:00,367 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:37:00,369 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 06:37:00,369 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:37:00,370 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:37:00,373 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 06:37:00,374 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:37:00,374 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 06:37:00,374 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 06:37:00,376 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-12-14 06:37:00,378 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 06:37:00,378 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 06:37:00,379 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:37:00,380 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:37:00,380 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 06:37:00,381 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:37:00,381 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:37:00,382 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:37:00,382 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:37:00,382 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 06:37:00,383 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 06:37:00,383 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:37:00,384 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 06:37:00,384 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 06:37:00,384 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 06:37:00,384 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:37:00,385 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:37:00,386 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:37:00,387 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-12-14 06:37:00,388 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 06:37:00,390 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-12-14 06:37:00,391 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 06:37:00,394 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 06:37:00,396 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 06:37:00,397 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:37:00,401 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:37:00,402 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:37:00,403 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 06:37:00,404 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:37:00,404 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:37:00,406 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-14 06:37:00,408 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:37:00,410 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:37:00,412 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:37:00,416 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:37:00,420 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:37:00,421 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:37:00,422 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:37:00,424 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:37:00,440 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 06:37:00,441 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-14 06:37:00,445 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:37:00,449 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,450 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:37:00,450 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 06:37:00,450 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 06:37:00,452 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-14 06:37:00,455 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-14 06:37:00,455 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-14 06:37:00,455 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-14 06:37:00,456 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 06:37:00,456 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 06:37:00,456 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:37:00,457 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 06:37:00,457 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:37:00,457 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 06:37:00,457 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:37:00,458 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:37:00,458 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:37:00,459 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 06:37:00,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:37:00,459 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 06:37:00,462 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,463 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,463 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,463 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,463 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,463 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,463 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,463 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,464 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,464 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,464 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,464 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,464 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,464 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,464 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,464 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,465 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 06:37:00,467 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 06:37:00,468 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 06:37:00,474 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 06:37:00,475 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 06:37:00,479 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 06:37:00,479 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 06:37:00,481 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 06:37:00,482 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 06:37:00,482 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 06:37:00,482 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 06:37:00,482 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 06:37:00,483 WARN L623 FunctionHandler]: Unknown extern function ldv_free_irq [2022-12-14 06:37:00,483 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 06:37:00,483 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-12-14 06:37:00,483 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 06:37:00,483 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 06:37:00,484 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:37:00,484 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 06:37:00,484 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:37:00,484 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 06:37:00,484 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 06:37:00,484 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 06:37:00,485 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 06:37:00,485 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 06:37:00,485 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 06:37:00,486 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:37:00,487 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,488 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,489 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,489 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:37:00,490 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,490 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,491 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,493 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,505 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,505 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,506 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,506 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,507 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,508 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,508 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,509 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,510 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,510 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,511 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,511 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:37:00,512 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,512 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,513 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,514 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,514 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,515 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,516 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,517 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,517 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,518 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,519 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,519 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,520 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,520 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,521 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,522 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,523 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,525 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,527 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,528 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,529 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:37:00,530 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:37:00,531 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:37:00,532 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:37:00,533 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,534 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,535 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,536 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,537 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,542 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,543 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,543 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,544 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,544 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:37:00,545 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:37:00,546 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:37:00,546 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:37:00,546 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:37:00,547 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:37:00,548 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:37:00,549 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:37:00,549 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:37:00,549 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:37:00,549 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:37:00,550 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:37:00,550 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:37:00,552 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,553 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,553 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,554 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,555 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,556 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 06:37:00,559 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 06:37:00,572 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:37:00,574 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:37:00,574 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:37:00,574 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:37:00,575 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:37:00,580 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 06:37:00,583 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:37:00,583 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:37:00,583 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:37:00,584 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:37:00,584 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:37:00,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:37:00,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:37:00,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:37:00,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:37:00,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:37:00,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:37:00,593 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 06:37:00,593 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 06:37:00,594 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:37:00,597 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_137ce11e-4641-409f-8e0c-4cd18da18a37/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486836,486849] [2022-12-14 06:37:00,597 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_137ce11e-4641-409f-8e0c-4cd18da18a37/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486983,486996] [2022-12-14 06:37:00,597 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_137ce11e-4641-409f-8e0c-4cd18da18a37/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487122,487135] [2022-12-14 06:37:00,597 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_137ce11e-4641-409f-8e0c-4cd18da18a37/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487280,487293] [2022-12-14 06:37:00,598 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,599 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,600 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,602 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,602 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:37:00,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:37:00,794 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:37:00,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:00 WrapperNode [2022-12-14 06:37:00,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:37:00,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:37:00,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:37:00,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:37:00,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:00" (1/1) ... [2022-12-14 06:37:00,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:00" (1/1) ... [2022-12-14 06:37:01,117 INFO L138 Inliner]: procedures = 480, calls = 6076, calls flagged for inlining = 277, calls inlined = 258, statements flattened = 11916 [2022-12-14 06:37:01,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:37:01,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:37:01,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:37:01,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:37:01,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:00" (1/1) ... [2022-12-14 06:37:01,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:00" (1/1) ... [2022-12-14 06:37:01,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:00" (1/1) ... [2022-12-14 06:37:01,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:00" (1/1) ... [2022-12-14 06:37:01,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:00" (1/1) ... [2022-12-14 06:37:01,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:00" (1/1) ... [2022-12-14 06:37:01,425 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:00" (1/1) ... [2022-12-14 06:37:01,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:00" (1/1) ... [2022-12-14 06:37:01,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:37:01,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:37:01,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:37:01,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:37:01,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:00" (1/1) ... [2022-12-14 06:37:01,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:37:01,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137ce11e-4641-409f-8e0c-4cd18da18a37/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:37:01,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137ce11e-4641-409f-8e0c-4cd18da18a37/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:37:01,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137ce11e-4641-409f-8e0c-4cd18da18a37/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:37:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 06:37:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 06:37:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 06:37:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 06:37:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 06:37:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 06:37:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-12-14 06:37:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-12-14 06:37:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 06:37:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 06:37:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-12-14 06:37:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-12-14 06:37:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-12-14 06:37:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-12-14 06:37:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 06:37:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 06:37:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-12-14 06:37:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-12-14 06:37:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 06:37:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 06:37:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-12-14 06:37:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-12-14 06:37:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-12-14 06:37:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-12-14 06:37:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-12-14 06:37:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-12-14 06:37:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-12-14 06:37:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-12-14 06:37:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 06:37:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 06:37:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-12-14 06:37:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-12-14 06:37:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-12-14 06:37:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-12-14 06:37:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 06:37:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 06:37:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 06:37:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 06:37:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 06:37:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 06:37:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-14 06:37:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-14 06:37:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-12-14 06:37:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-12-14 06:37:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 06:37:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 06:37:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 06:37:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 06:37:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:37:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-14 06:37:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-14 06:37:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-12-14 06:37:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-12-14 06:37:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 06:37:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 06:37:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-12-14 06:37:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-12-14 06:37:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 06:37:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 06:37:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 06:37:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-12-14 06:37:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-12-14 06:37:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-12-14 06:37:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-12-14 06:37:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 06:37:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 06:37:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-12-14 06:37:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-12-14 06:37:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 06:37:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 06:37:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 06:37:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-12-14 06:37:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-12-14 06:37:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-12-14 06:37:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-12-14 06:37:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:37:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-12-14 06:37:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-12-14 06:37:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 06:37:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 06:37:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-12-14 06:37:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-12-14 06:37:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 06:37:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 06:37:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 06:37:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 06:37:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-12-14 06:37:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-12-14 06:37:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 06:37:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 06:37:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 06:37:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 06:37:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-12-14 06:37:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-12-14 06:37:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-12-14 06:37:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-12-14 06:37:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 06:37:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 06:37:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-12-14 06:37:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-12-14 06:37:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-12-14 06:37:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-12-14 06:37:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-12-14 06:37:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-12-14 06:37:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 06:37:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 06:37:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 06:37:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 06:37:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 06:37:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-14 06:37:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-14 06:37:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-12-14 06:37:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-12-14 06:37:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:37:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-12-14 06:37:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-12-14 06:37:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 06:37:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 06:37:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 06:37:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 06:37:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 06:37:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 06:37:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 06:37:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-12-14 06:37:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-12-14 06:37:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-12-14 06:37:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-12-14 06:37:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 06:37:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 06:37:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-12-14 06:37:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-12-14 06:37:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 06:37:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 06:37:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-12-14 06:37:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-12-14 06:37:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-12-14 06:37:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-12-14 06:37:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-12-14 06:37:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-12-14 06:37:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-12-14 06:37:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-12-14 06:37:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 06:37:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 06:37:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-14 06:37:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-14 06:37:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-12-14 06:37:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-12-14 06:37:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-12-14 06:37:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-12-14 06:37:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-12-14 06:37:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-12-14 06:37:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 06:37:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 06:37:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 06:37:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 06:37:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-12-14 06:37:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-12-14 06:37:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:37:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:37:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-12-14 06:37:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-12-14 06:37:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-14 06:37:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-14 06:37:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 06:37:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 06:37:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 06:37:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 06:37:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-14 06:37:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-14 06:37:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 06:37:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 06:37:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-12-14 06:37:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-12-14 06:37:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-12-14 06:37:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-12-14 06:37:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 06:37:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 06:37:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-12-14 06:37:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-12-14 06:37:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-12-14 06:37:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-12-14 06:37:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 06:37:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 06:37:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 06:37:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 06:37:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-12-14 06:37:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-12-14 06:37:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-12-14 06:37:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-12-14 06:37:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-12-14 06:37:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-12-14 06:37:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-12-14 06:37:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-12-14 06:37:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 06:37:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 06:37:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-12-14 06:37:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-12-14 06:37:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:37:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-12-14 06:37:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-12-14 06:37:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-14 06:37:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-14 06:37:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 06:37:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-12-14 06:37:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-12-14 06:37:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 06:37:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 06:37:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 06:37:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-12-14 06:37:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-12-14 06:37:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 06:37:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 06:37:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 06:37:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 06:37:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-12-14 06:37:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-12-14 06:37:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-12-14 06:37:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-12-14 06:37:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-12-14 06:37:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-12-14 06:37:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-14 06:37:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-14 06:37:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 06:37:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 06:37:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-12-14 06:37:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-12-14 06:37:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 06:37:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 06:37:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-12-14 06:37:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-12-14 06:37:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-12-14 06:37:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-12-14 06:37:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 06:37:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 06:37:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:37:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-12-14 06:37:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-12-14 06:37:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 06:37:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 06:37:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-12-14 06:37:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-12-14 06:37:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-14 06:37:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-14 06:37:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-12-14 06:37:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-12-14 06:37:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-14 06:37:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-14 06:37:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-12-14 06:37:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-12-14 06:37:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-12-14 06:37:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-12-14 06:37:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-12-14 06:37:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-12-14 06:37:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-12-14 06:37:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-12-14 06:37:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-12-14 06:37:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-12-14 06:37:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-12-14 06:37:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-12-14 06:37:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-12-14 06:37:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-12-14 06:37:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-12-14 06:37:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-12-14 06:37:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-12-14 06:37:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-12-14 06:37:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 06:37:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 06:37:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-14 06:37:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-14 06:37:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-14 06:37:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-14 06:37:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-12-14 06:37:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-12-14 06:37:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-12-14 06:37:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-12-14 06:37:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 06:37:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 06:37:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:37:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 06:37:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 06:37:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-12-14 06:37:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-12-14 06:37:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-12-14 06:37:02,483 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:37:02,486 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:37:02,730 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 06:37:25,078 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 06:37:25,260 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:37:27,065 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:37:27,065 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 06:37:27,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:37:27 BoogieIcfgContainer [2022-12-14 06:37:27,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:37:27,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:37:27,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:37:27,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:37:27,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:36:57" (1/3) ... [2022-12-14 06:37:27,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2334478a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:37:27, skipping insertion in model container [2022-12-14 06:37:27,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:00" (2/3) ... [2022-12-14 06:37:27,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2334478a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:37:27, skipping insertion in model container [2022-12-14 06:37:27,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:37:27" (3/3) ... [2022-12-14 06:37:27,076 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-12-14 06:37:27,091 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:37:27,091 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 06:37:27,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:37:27,163 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;@821d197, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:37:27,163 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 06:37:27,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 2521 states, 1466 states have (on average 1.2462482946793998) internal successors, (1827), 1501 states have internal predecessors, (1827), 921 states have call successors, (921), 133 states have call predecessors, (921), 132 states have return successors, (916), 906 states have call predecessors, (916), 916 states have call successors, (916) [2022-12-14 06:37:27,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-12-14 06:37:27,184 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:37:27,184 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] [2022-12-14 06:37:27,185 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:37:27,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:37:27,188 INFO L85 PathProgramCache]: Analyzing trace with hash 361117166, now seen corresponding path program 1 times [2022-12-14 06:37:27,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:37:27,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569489314] [2022-12-14 06:37:27,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:37:27,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:37:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:37:28,141 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-12-14 06:37:28,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:37:28,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569489314] [2022-12-14 06:37:28,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569489314] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:37:28,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:37:28,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:37:28,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45780947] [2022-12-14 06:37:28,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:37:28,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:37:28,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:37:28,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:37:28,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:37:28,184 INFO L87 Difference]: Start difference. First operand has 2521 states, 1466 states have (on average 1.2462482946793998) internal successors, (1827), 1501 states have internal predecessors, (1827), 921 states have call successors, (921), 133 states have call predecessors, (921), 132 states have return successors, (916), 906 states have call predecessors, (916), 916 states have call successors, (916) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 06:37:31,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:39,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:40,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:37:40,499 INFO L93 Difference]: Finished difference Result 7452 states and 10939 transitions. [2022-12-14 06:37:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:37:40,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 176 [2022-12-14 06:37:40,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:37:40,552 INFO L225 Difference]: With dead ends: 7452 [2022-12-14 06:37:40,552 INFO L226 Difference]: Without dead ends: 4946 [2022-12-14 06:37:40,578 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 [2022-12-14 06:37:40,581 INFO L413 NwaCegarLoop]: 4084 mSDtfsCounter, 3573 mSDsluCounter, 3161 mSDsCounter, 0 mSdLazyCounter, 937 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3573 SdHoareTripleChecker+Valid, 7245 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 937 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:37:40,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3573 Valid, 7245 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 937 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2022-12-14 06:37:40,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4946 states. [2022-12-14 06:37:40,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4946 to 4943. [2022-12-14 06:37:40,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4943 states, 2880 states have (on average 1.2409722222222221) internal successors, (3574), 2949 states have internal predecessors, (3574), 1799 states have call successors, (1799), 263 states have call predecessors, (1799), 262 states have return successors, (1797), 1776 states have call predecessors, (1797), 1797 states have call successors, (1797) [2022-12-14 06:37:40,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4943 states to 4943 states and 7170 transitions. [2022-12-14 06:37:40,999 INFO L78 Accepts]: Start accepts. Automaton has 4943 states and 7170 transitions. Word has length 176 [2022-12-14 06:37:41,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:37:41,001 INFO L495 AbstractCegarLoop]: Abstraction has 4943 states and 7170 transitions. [2022-12-14 06:37:41,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 06:37:41,001 INFO L276 IsEmpty]: Start isEmpty. Operand 4943 states and 7170 transitions. [2022-12-14 06:37:41,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-12-14 06:37:41,009 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:37:41,009 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, 1, 1, 1, 1] [2022-12-14 06:37:41,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:37:41,009 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:37:41,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:37:41,011 INFO L85 PathProgramCache]: Analyzing trace with hash 977458860, now seen corresponding path program 1 times [2022-12-14 06:37:41,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:37:41,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942700071] [2022-12-14 06:37:41,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:37:41,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:37:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:37:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-12-14 06:37:41,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:37:41,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942700071] [2022-12-14 06:37:41,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942700071] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:37:41,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:37:41,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:37:41,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631425007] [2022-12-14 06:37:41,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:37:41,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:37:41,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:37:41,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:37:41,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:37:41,900 INFO L87 Difference]: Start difference. First operand 4943 states and 7170 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-14 06:37:46,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:50,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:56,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:58,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:58,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:37:58,862 INFO L93 Difference]: Finished difference Result 11542 states and 16729 transitions. [2022-12-14 06:37:58,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:37:58,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 197 [2022-12-14 06:37:58,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:37:58,902 INFO L225 Difference]: With dead ends: 11542 [2022-12-14 06:37:58,903 INFO L226 Difference]: Without dead ends: 6632 [2022-12-14 06:37:58,928 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 [2022-12-14 06:37:58,929 INFO L413 NwaCegarLoop]: 4024 mSDtfsCounter, 2971 mSDsluCounter, 3126 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 19 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2971 SdHoareTripleChecker+Valid, 7150 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:37:58,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2971 Valid, 7150 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 992 Invalid, 2 Unknown, 0 Unchecked, 16.6s Time] [2022-12-14 06:37:58,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6632 states. [2022-12-14 06:37:59,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6632 to 6624. [2022-12-14 06:37:59,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6624 states, 3846 states have (on average 1.2275091003640146) internal successors, (4721), 3930 states have internal predecessors, (4721), 2425 states have call successors, (2425), 352 states have call predecessors, (2425), 351 states have return successors, (2423), 2398 states have call predecessors, (2423), 2423 states have call successors, (2423) [2022-12-14 06:37:59,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6624 states to 6624 states and 9569 transitions. [2022-12-14 06:37:59,311 INFO L78 Accepts]: Start accepts. Automaton has 6624 states and 9569 transitions. Word has length 197 [2022-12-14 06:37:59,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:37:59,312 INFO L495 AbstractCegarLoop]: Abstraction has 6624 states and 9569 transitions. [2022-12-14 06:37:59,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-14 06:37:59,312 INFO L276 IsEmpty]: Start isEmpty. Operand 6624 states and 9569 transitions. [2022-12-14 06:37:59,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-12-14 06:37:59,316 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:37:59,316 INFO L195 NwaCegarLoop]: trace histogram [20, 16, 16, 16, 16, 16, 16, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:37:59,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 06:37:59,316 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:37:59,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:37:59,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1235694432, now seen corresponding path program 1 times [2022-12-14 06:37:59,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:37:59,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140049478] [2022-12-14 06:37:59,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:37:59,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:37:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:38:00,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1123 trivial. 0 not checked. [2022-12-14 06:38:00,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:38:00,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140049478] [2022-12-14 06:38:00,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140049478] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:38:00,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:38:00,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:38:00,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895463081] [2022-12-14 06:38:00,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:38:00,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:38:00,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:38:00,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:38:00,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:38:00,091 INFO L87 Difference]: Start difference. First operand 6624 states and 9569 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 06:38:02,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:38:04,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:38:11,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:38:15,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:38:19,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:38:22,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:38:22,447 INFO L93 Difference]: Finished difference Result 11177 states and 16147 transitions. [2022-12-14 06:38:22,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:38:22,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 214 [2022-12-14 06:38:22,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:38:22,513 INFO L225 Difference]: With dead ends: 11177 [2022-12-14 06:38:22,513 INFO L226 Difference]: Without dead ends: 11160 [2022-12-14 06:38:22,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:38:22,523 INFO L413 NwaCegarLoop]: 4062 mSDtfsCounter, 3574 mSDsluCounter, 7180 mSDsCounter, 0 mSdLazyCounter, 1393 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3574 SdHoareTripleChecker+Valid, 11242 SdHoareTripleChecker+Invalid, 1395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1393 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2022-12-14 06:38:22,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3574 Valid, 11242 Invalid, 1395 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1393 Invalid, 2 Unknown, 0 Unchecked, 21.9s Time] [2022-12-14 06:38:22,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11160 states. [2022-12-14 06:38:23,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11160 to 11157. [2022-12-14 06:38:23,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11157 states, 6484 states have (on average 1.2290252930289944) internal successors, (7969), 6626 states have internal predecessors, (7969), 4075 states have call successors, (4075), 597 states have call predecessors, (4075), 596 states have return successors, (4073), 4030 states have call predecessors, (4073), 4073 states have call successors, (4073) [2022-12-14 06:38:23,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11157 states to 11157 states and 16117 transitions. [2022-12-14 06:38:23,210 INFO L78 Accepts]: Start accepts. Automaton has 11157 states and 16117 transitions. Word has length 214 [2022-12-14 06:38:23,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:38:23,210 INFO L495 AbstractCegarLoop]: Abstraction has 11157 states and 16117 transitions. [2022-12-14 06:38:23,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 06:38:23,211 INFO L276 IsEmpty]: Start isEmpty. Operand 11157 states and 16117 transitions. [2022-12-14 06:38:23,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-12-14 06:38:23,217 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:38:23,218 INFO L195 NwaCegarLoop]: trace histogram [20, 16, 16, 16, 16, 16, 16, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:38:23,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 06:38:23,218 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:38:23,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:38:23,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1284302021, now seen corresponding path program 1 times [2022-12-14 06:38:23,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:38:23,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919363301] [2022-12-14 06:38:23,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:38:23,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:38:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:38:23,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1133 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1130 trivial. 0 not checked. [2022-12-14 06:38:23,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:38:23,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919363301] [2022-12-14 06:38:23,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919363301] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:38:23,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:38:23,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:38:23,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435280238] [2022-12-14 06:38:23,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:38:23,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:38:23,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:38:23,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:38:23,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:38:23,731 INFO L87 Difference]: Start difference. First operand 11157 states and 16117 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-14 06:38:26,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:38:34,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:38:41,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:38:41,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:38:41,773 INFO L93 Difference]: Finished difference Result 24209 states and 34994 transitions. [2022-12-14 06:38:41,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:38:41,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 240 [2022-12-14 06:38:41,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:38:41,836 INFO L225 Difference]: With dead ends: 24209 [2022-12-14 06:38:41,836 INFO L226 Difference]: Without dead ends: 15123 [2022-12-14 06:38:41,877 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 [2022-12-14 06:38:41,877 INFO L413 NwaCegarLoop]: 5645 mSDtfsCounter, 2845 mSDsluCounter, 3119 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 15 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2845 SdHoareTripleChecker+Valid, 8764 SdHoareTripleChecker+Invalid, 1363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:38:41,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2845 Valid, 8764 Invalid, 1363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1345 Invalid, 3 Unknown, 0 Unchecked, 17.6s Time] [2022-12-14 06:38:41,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15123 states. [2022-12-14 06:38:42,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15123 to 15112. [2022-12-14 06:38:42,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15112 states, 8777 states have (on average 1.2268428848125783) internal successors, (10768), 8963 states have internal predecessors, (10768), 5531 states have call successors, (5531), 803 states have call predecessors, (5531), 802 states have return successors, (5529), 5468 states have call predecessors, (5529), 5529 states have call successors, (5529) [2022-12-14 06:38:42,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15112 states to 15112 states and 21828 transitions. [2022-12-14 06:38:42,634 INFO L78 Accepts]: Start accepts. Automaton has 15112 states and 21828 transitions. Word has length 240 [2022-12-14 06:38:42,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:38:42,635 INFO L495 AbstractCegarLoop]: Abstraction has 15112 states and 21828 transitions. [2022-12-14 06:38:42,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-14 06:38:42,635 INFO L276 IsEmpty]: Start isEmpty. Operand 15112 states and 21828 transitions. [2022-12-14 06:38:42,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-12-14 06:38:42,649 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:38:42,649 INFO L195 NwaCegarLoop]: trace histogram [22, 16, 16, 16, 16, 16, 16, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:38:42,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 06:38:42,649 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:38:42,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:38:42,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1001555719, now seen corresponding path program 1 times [2022-12-14 06:38:42,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:38:42,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109125903] [2022-12-14 06:38:42,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:38:42,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:38:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:38:43,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1325 trivial. 0 not checked. [2022-12-14 06:38:43,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:38:43,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109125903] [2022-12-14 06:38:43,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109125903] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:38:43,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:38:43,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:38:43,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987648545] [2022-12-14 06:38:43,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:38:43,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:38:43,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:38:43,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:38:43,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:38:43,633 INFO L87 Difference]: Start difference. First operand 15112 states and 21828 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 06:38:46,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:38:48,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:38:52,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:38:59,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:39:02,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:39:04,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:39:13,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:39:19,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:39:19,189 INFO L93 Difference]: Finished difference Result 19181 states and 28224 transitions. [2022-12-14 06:39:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:39:19,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 302 [2022-12-14 06:39:19,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:39:19,262 INFO L225 Difference]: With dead ends: 19181 [2022-12-14 06:39:19,262 INFO L226 Difference]: Without dead ends: 19179 [2022-12-14 06:39:19,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:39:19,275 INFO L413 NwaCegarLoop]: 5204 mSDtfsCounter, 5196 mSDsluCounter, 8631 mSDsCounter, 0 mSdLazyCounter, 2028 mSolverCounterSat, 314 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5510 SdHoareTripleChecker+Valid, 13835 SdHoareTripleChecker+Invalid, 2347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 2028 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.9s IncrementalHoareTripleChecker+Time [2022-12-14 06:39:19,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5510 Valid, 13835 Invalid, 2347 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [314 Valid, 2028 Invalid, 5 Unknown, 0 Unchecked, 34.9s Time] [2022-12-14 06:39:19,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19179 states. [2022-12-14 06:39:20,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19179 to 15112. [2022-12-14 06:39:20,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15112 states, 8777 states have (on average 1.2267289506665147) internal successors, (10767), 8963 states have internal predecessors, (10767), 5531 states have call successors, (5531), 803 states have call predecessors, (5531), 802 states have return successors, (5529), 5468 states have call predecessors, (5529), 5529 states have call successors, (5529) [2022-12-14 06:39:20,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15112 states to 15112 states and 21827 transitions. [2022-12-14 06:39:20,281 INFO L78 Accepts]: Start accepts. Automaton has 15112 states and 21827 transitions. Word has length 302 [2022-12-14 06:39:20,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:39:20,282 INFO L495 AbstractCegarLoop]: Abstraction has 15112 states and 21827 transitions. [2022-12-14 06:39:20,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 06:39:20,282 INFO L276 IsEmpty]: Start isEmpty. Operand 15112 states and 21827 transitions. [2022-12-14 06:39:20,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-12-14 06:39:20,306 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:39:20,306 INFO L195 NwaCegarLoop]: trace histogram [44, 18, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:39:20,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 06:39:20,306 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:39:20,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:39:20,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1314267139, now seen corresponding path program 1 times [2022-12-14 06:39:20,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:39:20,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702315315] [2022-12-14 06:39:20,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:39:20,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms