./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4757c382-c0ce-4fa3-b415-76c70713d8fe/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4757c382-c0ce-4fa3-b415-76c70713d8fe/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_4757c382-c0ce-4fa3-b415-76c70713d8fe/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4757c382-c0ce-4fa3-b415-76c70713d8fe/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4757c382-c0ce-4fa3-b415-76c70713d8fe/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_4757c382-c0ce-4fa3-b415-76c70713d8fe/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 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 --- 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 05:19:40,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:19:40,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:19:40,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:19:40,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:19:40,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:19:40,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:19:40,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:19:40,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:19:40,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:19:40,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:19:40,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:19:40,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:19:40,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:19:40,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:19:40,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:19:40,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:19:40,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:19:40,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:19:40,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:19:40,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:19:40,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:19:40,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:19:40,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:19:40,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:19:40,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:19:40,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:19:40,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:19:40,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:19:40,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:19:40,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:19:40,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:19:40,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:19:40,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:19:40,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:19:40,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:19:40,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:19:40,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:19:40,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:19:40,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:19:40,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:19:40,985 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4757c382-c0ce-4fa3-b415-76c70713d8fe/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 05:19:41,005 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:19:41,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:19:41,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:19:41,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:19:41,010 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:19:41,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:19:41,011 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:19:41,011 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:19:41,011 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:19:41,011 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:19:41,012 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:19:41,012 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:19:41,012 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:19:41,012 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:19:41,012 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:19:41,012 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:19:41,013 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:19:41,013 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:19:41,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:19:41,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:19:41,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:19:41,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:19:41,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:19:41,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:19:41,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:19:41,015 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:19:41,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:19:41,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:19:41,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:19:41,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:19:41,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:19:41,016 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:19:41,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:19:41,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:19:41,016 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:19:41,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:19:41,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:19:41,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:19:41,017 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_4757c382-c0ce-4fa3-b415-76c70713d8fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4757c382-c0ce-4fa3-b415-76c70713d8fe/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 [2022-12-14 05:19:41,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:19:41,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:19:41,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:19:41,207 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:19:41,208 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:19:41,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4757c382-c0ce-4fa3-b415-76c70713d8fe/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-12-14 05:19:43,879 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:19:44,362 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:19:44,363 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4757c382-c0ce-4fa3-b415-76c70713d8fe/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-12-14 05:19:44,399 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4757c382-c0ce-4fa3-b415-76c70713d8fe/bin/utaipan-gh47qXpMRh/data/42e088138/690d42bccb9f4829906d4a5978616f5e/FLAG77c2d9c05 [2022-12-14 05:19:44,411 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4757c382-c0ce-4fa3-b415-76c70713d8fe/bin/utaipan-gh47qXpMRh/data/42e088138/690d42bccb9f4829906d4a5978616f5e [2022-12-14 05:19:44,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:19:44,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:19:44,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:19:44,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:19:44,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:19:44,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:19:44" (1/1) ... [2022-12-14 05:19:44,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d06882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:19:44, skipping insertion in model container [2022-12-14 05:19:44,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:19:44" (1/1) ... [2022-12-14 05:19:44,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:19:44,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:19:45,209 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 05:19:45,342 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 05:19:45,345 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 05:19:45,345 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 05:19:45,353 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 05:19:45,359 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 05:19:45,366 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 05:19:45,372 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 05:19:45,400 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 05:19:45,406 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:19:45,408 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 05:19:45,413 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 05:19:45,419 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 05:19:45,577 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 05:19:45,578 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:19:45,653 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 05:19:45,654 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 05:19:45,667 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:19:45,668 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:45,709 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 05:19:45,714 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 05:19:45,892 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 05:19:46,150 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:46,150 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:46,158 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 05:19:46,165 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-14 05:19:46,166 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 05:19:46,166 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:46,169 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 05:19:46,169 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:19:46,170 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:46,183 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 05:19:46,183 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:46,184 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 05:19:46,184 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 05:19:46,185 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-12-14 05:19:46,187 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 05:19:46,187 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 05:19:46,188 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:46,189 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:46,189 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:19:46,190 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:19:46,190 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:19:46,191 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:19:46,191 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 05:19:46,192 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 05:19:46,192 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 05:19:46,192 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 05:19:46,193 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 05:19:46,193 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 05:19:46,193 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 05:19:46,193 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 05:19:46,195 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:46,196 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:19:46,198 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 05:19:46,201 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 05:19:46,205 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 05:19:46,213 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 05:19:46,215 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:19:46,219 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:19:46,220 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 05:19:46,222 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 05:19:46,222 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 05:19:46,222 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:19:46,232 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:19:46,242 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:19:46,252 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:19:46,257 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:19:46,284 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:19:46,284 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:19:46,286 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:19:46,289 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:46,312 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 05:19:46,313 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-14 05:19:46,328 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:46,346 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,347 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:19:46,347 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 05:19:46,348 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 05:19:46,351 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-14 05:19:46,358 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-14 05:19:46,358 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-14 05:19:46,359 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-14 05:19:46,359 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 05:19:46,360 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 05:19:46,360 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 05:19:46,361 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 05:19:46,362 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:46,362 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 05:19:46,362 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:19:46,363 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:46,364 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:46,365 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 05:19:46,366 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:46,366 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 05:19:46,752 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 05:19:46,755 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 05:19:46,759 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 05:19:46,759 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 05:19:46,773 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 05:19:46,775 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 05:19:46,782 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 05:19:46,783 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 05:19:46,784 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 05:19:46,786 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 05:19:46,787 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 05:19:46,788 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:19:46,788 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 05:19:46,789 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 05:19:46,789 WARN L623 FunctionHandler]: Unknown extern function ldv_free_irq [2022-12-14 05:19:46,790 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 05:19:46,790 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-12-14 05:19:46,790 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 05:19:46,791 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 05:19:46,791 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 05:19:46,791 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 05:19:46,792 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 05:19:46,793 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:19:46,793 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 05:19:46,794 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:19:46,794 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 05:19:46,795 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:19:46,795 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 05:19:46,899 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:19:46,901 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,903 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,905 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,906 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:19:46,907 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,909 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,917 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,922 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,923 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,924 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,925 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,927 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,928 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,929 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,930 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,932 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,933 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,934 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,936 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,936 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:19:46,937 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,938 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,941 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,942 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,944 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,944 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,945 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,948 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,949 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,950 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,951 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,952 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,953 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,954 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,956 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,957 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,960 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,963 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,967 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,969 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,971 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:46,972 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:46,979 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:46,979 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:46,981 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,983 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,985 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,986 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:46,988 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:47,006 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:47,007 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:47,008 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:47,009 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:47,010 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:47,011 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:19:47,011 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:19:47,062 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:47,067 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:47,068 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:47,075 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:47,075 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:47,076 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:47,076 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:47,081 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:47,082 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:47,082 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:47,085 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:47,086 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:47,087 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:47,087 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:47,094 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:47,095 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:47,125 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 05:19:47,188 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:19:47,195 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:19:47,200 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:19:47,201 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:19:47,201 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:19:47,239 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 05:19:47,248 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:47,248 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:47,249 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:47,249 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:47,250 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:47,251 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:47,251 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:47,255 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:47,255 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:47,256 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:47,257 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:47,319 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 05:19:47,329 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,401 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,406 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,411 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,417 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,437 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,442 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,448 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,453 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,458 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,479 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,484 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,489 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,494 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,500 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,520 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,526 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,531 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,536 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,541 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,562 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,567 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,572 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,577 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,583 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,604 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,609 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,614 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,621 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,627 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,648 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,653 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,659 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,665 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,670 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,691 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,696 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,702 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,707 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,713 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,734 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,739 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,745 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,750 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,756 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,785 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,791 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,796 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,801 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,807 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,827 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,833 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,838 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,843 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,848 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,868 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,873 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,879 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,884 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,890 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,910 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,916 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,921 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,926 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,932 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,952 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,958 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,963 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,968 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,973 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,993 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:47,998 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,004 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,009 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,014 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,035 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,035 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,035 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,035 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,036 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,036 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,036 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,036 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,036 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,036 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,036 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,036 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,037 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,037 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,037 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,037 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,063 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_4757c382-c0ce-4fa3-b415-76c70713d8fe/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2022-12-14 05:19:48,066 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_4757c382-c0ce-4fa3-b415-76c70713d8fe/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2022-12-14 05:19:48,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:19:48,124 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:19:48,194 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 05:19:48,198 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 05:19:48,198 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 05:19:48,198 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 05:19:48,199 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 05:19:48,200 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 05:19:48,201 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 05:19:48,201 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 05:19:48,203 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 05:19:48,203 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:19:48,203 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 05:19:48,204 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 05:19:48,204 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 05:19:48,207 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 05:19:48,208 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:19:48,209 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 05:19:48,209 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 05:19:48,210 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:19:48,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:48,211 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 05:19:48,211 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 05:19:48,213 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 05:19:48,216 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:48,216 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:48,217 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 05:19:48,218 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-14 05:19:48,218 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 05:19:48,218 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:48,220 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 05:19:48,220 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:19:48,220 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:48,222 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 05:19:48,223 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:48,223 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 05:19:48,223 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 05:19:48,224 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-12-14 05:19:48,225 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 05:19:48,225 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 05:19:48,226 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:48,226 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:48,227 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:19:48,227 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:19:48,227 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:19:48,228 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:19:48,228 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 05:19:48,228 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 05:19:48,228 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 05:19:48,228 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 05:19:48,229 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 05:19:48,229 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 05:19:48,229 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 05:19:48,229 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 05:19:48,230 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:48,230 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:19:48,253 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 05:19:48,255 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 05:19:48,258 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 05:19:48,261 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 05:19:48,262 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:19:48,265 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:19:48,267 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 05:19:48,268 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 05:19:48,268 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 05:19:48,269 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:19:48,272 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:19:48,274 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:19:48,277 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:19:48,280 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:19:48,285 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:19:48,285 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:19:48,286 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:19:48,289 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:48,305 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 05:19:48,306 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-14 05:19:48,310 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:48,315 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,315 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:19:48,315 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 05:19:48,316 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 05:19:48,318 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-14 05:19:48,322 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-14 05:19:48,323 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-14 05:19:48,323 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-14 05:19:48,323 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 05:19:48,330 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 05:19:48,330 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 05:19:48,331 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 05:19:48,331 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:48,332 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 05:19:48,332 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:19:48,332 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:48,333 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 05:19:48,334 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 05:19:48,334 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:48,334 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 05:19:48,341 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 05:19:48,342 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 05:19:48,344 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 05:19:48,344 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 05:19:48,352 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 05:19:48,354 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 05:19:48,360 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 05:19:48,361 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 05:19:48,365 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 05:19:48,366 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 05:19:48,366 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 05:19:48,367 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:19:48,367 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 05:19:48,367 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 05:19:48,367 WARN L623 FunctionHandler]: Unknown extern function ldv_free_irq [2022-12-14 05:19:48,367 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 05:19:48,368 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-12-14 05:19:48,368 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 05:19:48,368 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 05:19:48,369 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 05:19:48,369 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 05:19:48,369 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 05:19:48,370 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:19:48,370 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 05:19:48,370 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:19:48,370 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 05:19:48,381 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:19:48,381 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-14 05:19:48,383 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:19:48,385 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,386 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,387 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,388 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:19:48,388 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,390 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,391 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,394 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,395 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,396 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,396 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,397 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,398 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,399 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,399 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,400 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,401 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,402 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,403 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,403 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:19:48,404 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,405 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,406 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,407 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,408 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,408 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,409 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,411 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,411 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,412 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,413 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,414 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,414 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,415 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,416 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,417 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,419 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,420 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,423 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,424 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,426 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:48,426 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:48,428 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:48,429 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:48,430 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,431 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,432 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,434 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,435 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,442 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,443 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,443 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,444 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,445 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:48,446 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:19:48,447 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:19:48,447 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:48,448 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:48,449 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:48,451 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:48,451 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:48,451 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:48,451 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:48,452 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:48,452 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:48,453 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:19:48,456 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,456 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,458 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,458 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,460 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,461 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 05:19:48,465 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 05:19:48,486 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:19:48,488 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:19:48,489 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:19:48,489 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:19:48,489 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:19:48,498 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 05:19:48,502 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:48,502 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:48,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:48,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:48,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:48,504 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:48,505 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:48,520 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:48,520 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:48,521 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:48,522 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:19:48,534 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 05:19:48,534 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,537 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,538 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,538 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,538 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,539 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,539 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,540 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,540 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,540 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,541 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,541 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,541 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,542 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,542 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,543 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,543 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,543 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,543 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,544 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,544 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,545 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,545 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,545 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,545 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,546 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,546 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,547 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,547 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,547 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,548 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,548 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,548 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,549 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,549 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,550 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,550 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,550 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,550 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,551 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,551 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,552 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,552 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,552 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,552 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,553 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,553 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,554 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,554 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,554 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,555 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,555 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,555 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,555 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,556 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,556 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,557 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,557 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,557 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,557 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,558 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,558 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,559 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,559 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,559 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,560 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,560 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,560 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,561 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,561 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,562 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,562 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,562 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,562 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,563 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,563 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,564 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,564 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,564 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,564 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,564 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,564 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,565 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,565 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,565 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,565 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,565 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,565 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,565 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,566 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,566 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:19:48,567 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_4757c382-c0ce-4fa3-b415-76c70713d8fe/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2022-12-14 05:19:48,567 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_4757c382-c0ce-4fa3-b415-76c70713d8fe/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2022-12-14 05:19:48,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:19:48,801 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:19:48,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:19:48 WrapperNode [2022-12-14 05:19:48,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:19:48,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:19:48,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:19:48,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:19:48,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:19:48" (1/1) ... [2022-12-14 05:19:48,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:19:48" (1/1) ... [2022-12-14 05:19:49,079 INFO L138 Inliner]: procedures = 586, calls = 6377, calls flagged for inlining = 287, calls inlined = 259, statements flattened = 12099 [2022-12-14 05:19:49,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:19:49,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:19:49,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:19:49,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:19:49,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:19:48" (1/1) ... [2022-12-14 05:19:49,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:19:48" (1/1) ... [2022-12-14 05:19:49,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:19:48" (1/1) ... [2022-12-14 05:19:49,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:19:48" (1/1) ... [2022-12-14 05:19:49,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:19:48" (1/1) ... [2022-12-14 05:19:49,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:19:48" (1/1) ... [2022-12-14 05:19:49,405 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:19:48" (1/1) ... [2022-12-14 05:19:49,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:19:48" (1/1) ... [2022-12-14 05:19:49,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:19:49,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:19:49,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:19:49,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:19:49,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:19:48" (1/1) ... [2022-12-14 05:19:49,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:19:49,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4757c382-c0ce-4fa3-b415-76c70713d8fe/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:19:49,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4757c382-c0ce-4fa3-b415-76c70713d8fe/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:19:49,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4757c382-c0ce-4fa3-b415-76c70713d8fe/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:19:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 05:19:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 05:19:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 05:19:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 05:19:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 05:19:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 05:19:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-12-14 05:19:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-12-14 05:19:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 05:19:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 05:19:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-12-14 05:19:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-12-14 05:19:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-12-14 05:19:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-12-14 05:19:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 05:19:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 05:19:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-12-14 05:19:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-12-14 05:19:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 05:19:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 05:19:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-12-14 05:19:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-12-14 05:19:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-12-14 05:19:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-12-14 05:19:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-12-14 05:19:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-12-14 05:19:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-12-14 05:19:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-12-14 05:19:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 05:19:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 05:19:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-12-14 05:19:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-12-14 05:19:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-12-14 05:19:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-12-14 05:19:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 05:19:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 05:19:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 05:19:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 05:19:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 05:19:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 05:19:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-14 05:19:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-14 05:19:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-12-14 05:19:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-12-14 05:19:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 05:19:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 05:19:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 05:19:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 05:19:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:19:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-14 05:19:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-14 05:19:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-12-14 05:19:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-12-14 05:19:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 05:19:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 05:19:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-12-14 05:19:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-12-14 05:19:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 05:19:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 05:19:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 05:19:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-12-14 05:19:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-12-14 05:19:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-12-14 05:19:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-12-14 05:19:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 05:19:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 05:19:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-12-14 05:19:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-12-14 05:19:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 05:19:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 05:19:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 05:19:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-12-14 05:19:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-12-14 05:19:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-12-14 05:19:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-12-14 05:19:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:19:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-12-14 05:19:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-12-14 05:19:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 05:19:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 05:19:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-14 05:19:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-14 05:19:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 05:19:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 05:19:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 05:19:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 05:19:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-12-14 05:19:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-12-14 05:19:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 05:19:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 05:19:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 05:19:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 05:19:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 05:19:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 05:19:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-12-14 05:19:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-12-14 05:19:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-12-14 05:19:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-12-14 05:19:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 05:19:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 05:19:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-12-14 05:19:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-12-14 05:19:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-12-14 05:19:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-12-14 05:19:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-12-14 05:19:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-12-14 05:19:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 05:19:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 05:19:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 05:19:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 05:19:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 05:19:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-14 05:19:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-14 05:19:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-12-14 05:19:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-12-14 05:19:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:19:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-12-14 05:19:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-12-14 05:19:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 05:19:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 05:19:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 05:19:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 05:19:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 05:19:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 05:19:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 05:19:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-12-14 05:19:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-12-14 05:19:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-12-14 05:19:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-12-14 05:19:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 05:19:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 05:19:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-12-14 05:19:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-12-14 05:19:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-12-14 05:19:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-12-14 05:19:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-12-14 05:19:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-12-14 05:19:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 05:19:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 05:19:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-12-14 05:19:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-12-14 05:19:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-12-14 05:19:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-12-14 05:19:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-12-14 05:19:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-12-14 05:19:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-12-14 05:19:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-12-14 05:19:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 05:19:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 05:19:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-14 05:19:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-14 05:19:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-12-14 05:19:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-12-14 05:19:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-12-14 05:19:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-12-14 05:19:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-12-14 05:19:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-12-14 05:19:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 05:19:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 05:19:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 05:19:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 05:19:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-12-14 05:19:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-12-14 05:19:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:19:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:19:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-12-14 05:19:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-12-14 05:19:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-14 05:19:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-14 05:19:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 05:19:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 05:19:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 05:19:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 05:19:49,526 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 05:19:49,526 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 05:19:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 05:19:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 05:19:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-12-14 05:19:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-12-14 05:19:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-12-14 05:19:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-12-14 05:19:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 05:19:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 05:19:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-12-14 05:19:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-12-14 05:19:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-12-14 05:19:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-12-14 05:19:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 05:19:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 05:19:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 05:19:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 05:19:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-12-14 05:19:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-12-14 05:19:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-12-14 05:19:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-12-14 05:19:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-12-14 05:19:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-12-14 05:19:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-12-14 05:19:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-12-14 05:19:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 05:19:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 05:19:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-12-14 05:19:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-12-14 05:19:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:19:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-12-14 05:19:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-12-14 05:19:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-14 05:19:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-14 05:19:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 05:19:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-12-14 05:19:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-12-14 05:19:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 05:19:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 05:19:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 05:19:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-12-14 05:19:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-12-14 05:19:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 05:19:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 05:19:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 05:19:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 05:19:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 05:19:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 05:19:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-12-14 05:19:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-12-14 05:19:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-12-14 05:19:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-12-14 05:19:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-12-14 05:19:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-12-14 05:19:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-12-14 05:19:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-12-14 05:19:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-14 05:19:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-14 05:19:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 05:19:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 05:19:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-12-14 05:19:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-12-14 05:19:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 05:19:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 05:19:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-12-14 05:19:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-12-14 05:19:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-12-14 05:19:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-12-14 05:19:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 05:19:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 05:19:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:19:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-12-14 05:19:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-12-14 05:19:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 05:19:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 05:19:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-12-14 05:19:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-12-14 05:19:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-14 05:19:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-14 05:19:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-12-14 05:19:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-12-14 05:19:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-14 05:19:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-14 05:19:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-12-14 05:19:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-12-14 05:19:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-12-14 05:19:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-12-14 05:19:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-12-14 05:19:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-12-14 05:19:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-12-14 05:19:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-12-14 05:19:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-12-14 05:19:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-12-14 05:19:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-12-14 05:19:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-12-14 05:19:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-12-14 05:19:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-12-14 05:19:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-12-14 05:19:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-12-14 05:19:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-12-14 05:19:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-12-14 05:19:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 05:19:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 05:19:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-14 05:19:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-14 05:19:49,532 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 05:19:49,533 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 05:19:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-12-14 05:19:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-12-14 05:19:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 05:19:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 05:19:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:19:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 05:19:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 05:19:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-12-14 05:19:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-12-14 05:19:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-12-14 05:19:50,374 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:19:50,378 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:19:50,608 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 05:20:17,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 05:20:17,878 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:20:19,834 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:20:19,834 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 05:20:19,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:20:19 BoogieIcfgContainer [2022-12-14 05:20:19,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:20:19,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:20:19,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:20:19,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:20:19,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:19:44" (1/3) ... [2022-12-14 05:20:19,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df8e9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:20:19, skipping insertion in model container [2022-12-14 05:20:19,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:19:48" (2/3) ... [2022-12-14 05:20:19,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df8e9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:20:19, skipping insertion in model container [2022-12-14 05:20:19,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:20:19" (3/3) ... [2022-12-14 05:20:19,845 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-12-14 05:20:19,859 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:20:19,859 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 05:20:19,934 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:20:19,938 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;@3ba546bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:20:19,938 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 05:20:19,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 2560 states, 1475 states have (on average 1.2447457627118643) internal successors, (1836), 1510 states have internal predecessors, (1836), 947 states have call successors, (947), 137 states have call predecessors, (947), 136 states have return successors, (942), 932 states have call predecessors, (942), 942 states have call successors, (942) [2022-12-14 05:20:19,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-12-14 05:20:19,967 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:20:19,968 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 05:20:19,968 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:20:19,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:20:19,972 INFO L85 PathProgramCache]: Analyzing trace with hash 266451245, now seen corresponding path program 1 times [2022-12-14 05:20:19,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:20:19,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830323567] [2022-12-14 05:20:19,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:20:19,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:20:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:20:21,023 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 05:20:21,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:20:21,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830323567] [2022-12-14 05:20:21,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830323567] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:20:21,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:20:21,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:20:21,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181528826] [2022-12-14 05:20:21,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:20:21,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:20:21,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:20:21,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:20:21,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:20:21,067 INFO L87 Difference]: Start difference. First operand has 2560 states, 1475 states have (on average 1.2447457627118643) internal successors, (1836), 1510 states have internal predecessors, (1836), 947 states have call successors, (947), 137 states have call predecessors, (947), 136 states have return successors, (942), 932 states have call predecessors, (942), 942 states have call successors, (942) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-14 05:20:26,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:32,879 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 05:20:35,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:20:35,650 INFO L93 Difference]: Finished difference Result 7213 states and 10591 transitions. [2022-12-14 05:20:35,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:20:35,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (24), 2 states have call predecessors, (24), 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 05:20:35,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:20:35,684 INFO L225 Difference]: With dead ends: 7213 [2022-12-14 05:20:35,684 INFO L226 Difference]: Without dead ends: 4617 [2022-12-14 05:20:35,701 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 05:20:35,704 INFO L413 NwaCegarLoop]: 4202 mSDtfsCounter, 3068 mSDsluCounter, 3198 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 19 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3068 SdHoareTripleChecker+Valid, 7400 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:20:35,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3068 Valid, 7400 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1009 Invalid, 2 Unknown, 0 Unchecked, 14.2s Time] [2022-12-14 05:20:35,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4617 states. [2022-12-14 05:20:36,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4617 to 4611. [2022-12-14 05:20:36,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4611 states, 2675 states have (on average 1.229532710280374) internal successors, (3289), 2733 states have internal predecessors, (3289), 1687 states have call successors, (1687), 247 states have call predecessors, (1687), 247 states have return successors, (1687), 1670 states have call predecessors, (1687), 1687 states have call successors, (1687) [2022-12-14 05:20:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4611 states to 4611 states and 6663 transitions. [2022-12-14 05:20:36,127 INFO L78 Accepts]: Start accepts. Automaton has 4611 states and 6663 transitions. Word has length 197 [2022-12-14 05:20:36,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:20:36,128 INFO L495 AbstractCegarLoop]: Abstraction has 4611 states and 6663 transitions. [2022-12-14 05:20:36,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-14 05:20:36,129 INFO L276 IsEmpty]: Start isEmpty. Operand 4611 states and 6663 transitions. [2022-12-14 05:20:36,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-12-14 05:20:36,136 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:20:36,137 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 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] [2022-12-14 05:20:36,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:20:36,137 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:20:36,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:20:36,138 INFO L85 PathProgramCache]: Analyzing trace with hash -937912310, now seen corresponding path program 1 times [2022-12-14 05:20:36,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:20:36,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122028239] [2022-12-14 05:20:36,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:20:36,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:20:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:20:36,578 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 995 trivial. 0 not checked. [2022-12-14 05:20:36,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:20:36,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122028239] [2022-12-14 05:20:36,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122028239] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:20:36,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:20:36,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:20:36,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147088833] [2022-12-14 05:20:36,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:20:36,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:20:36,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:20:36,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:20:36,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:20:36,583 INFO L87 Difference]: Start difference. First operand 4611 states and 6663 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-14 05:20:42,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:48,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:20:51,318 WARN L539 Checker$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 05:20:51,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:20:51,374 INFO L93 Difference]: Finished difference Result 11396 states and 16378 transitions. [2022-12-14 05:20:51,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:20:51,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 212 [2022-12-14 05:20:51,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:20:51,405 INFO L225 Difference]: With dead ends: 11396 [2022-12-14 05:20:51,405 INFO L226 Difference]: Without dead ends: 6818 [2022-12-14 05:20:51,420 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 05:20:51,421 INFO L413 NwaCegarLoop]: 3850 mSDtfsCounter, 2591 mSDsluCounter, 3107 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2591 SdHoareTripleChecker+Valid, 6957 SdHoareTripleChecker+Invalid, 1003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:20:51,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2591 Valid, 6957 Invalid, 1003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 994 Invalid, 2 Unknown, 0 Unchecked, 14.5s Time] [2022-12-14 05:20:51,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6818 states. [2022-12-14 05:20:51,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6818 to 6812. [2022-12-14 05:20:51,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6812 states, 3944 states have (on average 1.218813387423935) internal successors, (4807), 4030 states have internal predecessors, (4807), 2471 states have call successors, (2471), 396 states have call predecessors, (2471), 395 states have return successors, (2472), 2442 states have call predecessors, (2472), 2471 states have call successors, (2472) [2022-12-14 05:20:51,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 9750 transitions. [2022-12-14 05:20:51,843 INFO L78 Accepts]: Start accepts. Automaton has 6812 states and 9750 transitions. Word has length 212 [2022-12-14 05:20:51,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:20:51,844 INFO L495 AbstractCegarLoop]: Abstraction has 6812 states and 9750 transitions. [2022-12-14 05:20:51,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-14 05:20:51,845 INFO L276 IsEmpty]: Start isEmpty. Operand 6812 states and 9750 transitions. [2022-12-14 05:20:51,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-12-14 05:20:51,850 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:20:51,850 INFO L195 NwaCegarLoop]: trace histogram [20, 16, 16, 16, 16, 16, 16, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:20:51,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:20:51,851 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:20:51,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:20:51,852 INFO L85 PathProgramCache]: Analyzing trace with hash -38044648, now seen corresponding path program 1 times [2022-12-14 05:20:51,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:20:51,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731779373] [2022-12-14 05:20:51,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:20:51,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:20:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:20:52,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1118 trivial. 0 not checked. [2022-12-14 05:20:52,582 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:20:52,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731779373] [2022-12-14 05:20:52,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731779373] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:20:52,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:20:52,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:20:52,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30784586] [2022-12-14 05:20:52,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:20:52,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:20:52,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:20:52,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:20:52,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:20:52,584 INFO L87 Difference]: Start difference. First operand 6812 states and 9750 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-14 05:21:00,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:21:02,502 WARN L539 Checker$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 05:21:05,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:21:10,319 WARN L539 Checker$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 05:21:10,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:21:10,909 INFO L93 Difference]: Finished difference Result 16069 states and 23012 transitions. [2022-12-14 05:21:10,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:21:10,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (32), 2 states have call predecessors, (32), 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 05:21:10,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:21:10,949 INFO L225 Difference]: With dead ends: 16069 [2022-12-14 05:21:10,949 INFO L226 Difference]: Without dead ends: 9290 [2022-12-14 05:21:10,971 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 05:21:10,972 INFO L413 NwaCegarLoop]: 5793 mSDtfsCounter, 3006 mSDsluCounter, 3133 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 15 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3006 SdHoareTripleChecker+Valid, 8926 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:21:10,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3006 Valid, 8926 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1365 Invalid, 3 Unknown, 0 Unchecked, 18.0s Time] [2022-12-14 05:21:10,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9290 states. [2022-12-14 05:21:11,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9290 to 9283. [2022-12-14 05:21:11,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9283 states, 5379 states have (on average 1.2163970998326827) internal successors, (6543), 5495 states have internal predecessors, (6543), 3366 states have call successors, (3366), 537 states have call predecessors, (3366), 536 states have return successors, (3367), 3328 states have call predecessors, (3367), 3366 states have call successors, (3367) [2022-12-14 05:21:11,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9283 states to 9283 states and 13276 transitions. [2022-12-14 05:21:11,436 INFO L78 Accepts]: Start accepts. Automaton has 9283 states and 13276 transitions. Word has length 240 [2022-12-14 05:21:11,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:21:11,437 INFO L495 AbstractCegarLoop]: Abstraction has 9283 states and 13276 transitions. [2022-12-14 05:21:11,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-14 05:21:11,437 INFO L276 IsEmpty]: Start isEmpty. Operand 9283 states and 13276 transitions. [2022-12-14 05:21:11,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-12-14 05:21:11,442 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:21:11,442 INFO L195 NwaCegarLoop]: trace histogram [22, 16, 16, 16, 16, 16, 16, 8, 8, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:21:11,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 05:21:11,442 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:21:11,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:21:11,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1828785243, now seen corresponding path program 1 times [2022-12-14 05:21:11,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:21:11,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149045802] [2022-12-14 05:21:11,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:21:11,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:21:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:21:17,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2022-12-14 05:21:17,008 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:21:17,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149045802] [2022-12-14 05:21:17,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149045802] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:21:17,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:21:17,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 05:21:17,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426996654] [2022-12-14 05:21:17,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:21:17,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 05:21:17,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:21:17,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 05:21:17,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 05:21:17,011 INFO L87 Difference]: Start difference. First operand 9283 states and 13276 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 05:21:32,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:21:33,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:21:38,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:21:48,377 WARN L539 Checker$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 05:21:51,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:21:51,291 INFO L93 Difference]: Finished difference Result 18293 states and 26162 transitions. [2022-12-14 05:21:51,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 05:21:51,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) Word has length 302 [2022-12-14 05:21:51,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:21:51,393 INFO L225 Difference]: With dead ends: 18293 [2022-12-14 05:21:51,393 INFO L226 Difference]: Without dead ends: 18291 [2022-12-14 05:21:51,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:21:51,422 INFO L413 NwaCegarLoop]: 4168 mSDtfsCounter, 3503 mSDsluCounter, 13816 mSDsCounter, 0 mSdLazyCounter, 4158 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3507 SdHoareTripleChecker+Valid, 17984 SdHoareTripleChecker+Invalid, 4161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4158 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:21:51,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3507 Valid, 17984 Invalid, 4161 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 4158 Invalid, 2 Unknown, 0 Unchecked, 32.4s Time] [2022-12-14 05:21:51,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18291 states. [2022-12-14 05:21:53,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18291 to 18285. [2022-12-14 05:21:53,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18285 states, 10600 states have (on average 1.2164150943396226) internal successors, (12894), 10824 states have internal predecessors, (12894), 6629 states have call successors, (6629), 1056 states have call predecessors, (6629), 1054 states have return successors, (6631), 6549 states have call predecessors, (6631), 6629 states have call successors, (6631) [2022-12-14 05:21:53,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18285 states to 18285 states and 26154 transitions. [2022-12-14 05:21:53,225 INFO L78 Accepts]: Start accepts. Automaton has 18285 states and 26154 transitions. Word has length 302 [2022-12-14 05:21:53,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:21:53,226 INFO L495 AbstractCegarLoop]: Abstraction has 18285 states and 26154 transitions. [2022-12-14 05:21:53,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 05:21:53,226 INFO L276 IsEmpty]: Start isEmpty. Operand 18285 states and 26154 transitions. [2022-12-14 05:21:53,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-12-14 05:21:53,231 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:21:53,231 INFO L195 NwaCegarLoop]: trace histogram [22, 16, 16, 16, 16, 16, 16, 8, 8, 3, 3, 3, 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, 1, 1, 1, 1, 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 05:21:53,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 05:21:53,232 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:21:53,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:21:53,232 INFO L85 PathProgramCache]: Analyzing trace with hash 130593158, now seen corresponding path program 1 times [2022-12-14 05:21:53,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:21:53,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001661135] [2022-12-14 05:21:53,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:21:53,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:21:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:21:54,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2022-12-14 05:21:54,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:21:54,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001661135] [2022-12-14 05:21:54,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001661135] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:21:54,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:21:54,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:21:54,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992122639] [2022-12-14 05:21:54,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:21:54,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:21:54,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:21:54,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:21:54,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:21:54,523 INFO L87 Difference]: Start difference. First operand 18285 states and 26154 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-12-14 05:22:03,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:07,981 WARN L539 Checker$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 05:22:08,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:22:08,232 INFO L93 Difference]: Finished difference Result 48179 states and 68862 transitions. [2022-12-14 05:22:08,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:22:08,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 306 [2022-12-14 05:22:08,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:22:08,352 INFO L225 Difference]: With dead ends: 48179 [2022-12-14 05:22:08,352 INFO L226 Difference]: Without dead ends: 29927 [2022-12-14 05:22:08,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 05:22:08,399 INFO L413 NwaCegarLoop]: 4165 mSDtfsCounter, 3540 mSDsluCounter, 2715 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 20 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3540 SdHoareTripleChecker+Valid, 6880 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:22:08,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3540 Valid, 6880 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 944 Invalid, 2 Unknown, 0 Unchecked, 11.9s Time] [2022-12-14 05:22:08,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29927 states. [2022-12-14 05:22:10,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29927 to 29547. [2022-12-14 05:22:10,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29547 states, 17039 states have (on average 1.2121603380480075) internal successors, (20654), 17377 states have internal predecessors, (20654), 10793 states have call successors, (10793), 1717 states have call predecessors, (10793), 1713 states have return successors, (10795), 10671 states have call predecessors, (10795), 10793 states have call successors, (10795) [2022-12-14 05:22:10,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29547 states to 29547 states and 42242 transitions. [2022-12-14 05:22:10,640 INFO L78 Accepts]: Start accepts. Automaton has 29547 states and 42242 transitions. Word has length 306 [2022-12-14 05:22:10,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:22:10,640 INFO L495 AbstractCegarLoop]: Abstraction has 29547 states and 42242 transitions. [2022-12-14 05:22:10,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-12-14 05:22:10,640 INFO L276 IsEmpty]: Start isEmpty. Operand 29547 states and 42242 transitions. [2022-12-14 05:22:10,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2022-12-14 05:22:10,647 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:22:10,647 INFO L195 NwaCegarLoop]: trace histogram [23, 16, 16, 16, 16, 16, 16, 8, 8, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:10,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 05:22:10,648 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:22:10,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:22:10,648 INFO L85 PathProgramCache]: Analyzing trace with hash 465650747, now seen corresponding path program 1 times [2022-12-14 05:22:10,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:22:10,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389773125] [2022-12-14 05:22:10,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:22:10,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:22:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:22:13,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2022-12-14 05:22:13,449 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:22:13,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389773125] [2022-12-14 05:22:13,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389773125] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:22:13,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:22:13,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 05:22:13,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499598862] [2022-12-14 05:22:13,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:22:13,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 05:22:13,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:22:13,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 05:22:13,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 05:22:13,452 INFO L87 Difference]: Start difference. First operand 29547 states and 42242 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-14 05:22:20,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:33,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:35,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:37,273 WARN L539 Checker$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 05:22:44,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:22:44,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:22:44,859 INFO L93 Difference]: Finished difference Result 59089 states and 84507 transitions. [2022-12-14 05:22:44,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:22:44,860 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 323 [2022-12-14 05:22:44,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:22:44,965 INFO L225 Difference]: With dead ends: 59089 [2022-12-14 05:22:44,965 INFO L226 Difference]: Without dead ends: 29575 [2022-12-14 05:22:45,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:22:45,048 INFO L413 NwaCegarLoop]: 3181 mSDtfsCounter, 1 mSDsluCounter, 12716 mSDsCounter, 0 mSdLazyCounter, 2340 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 15897 SdHoareTripleChecker+Invalid, 2343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2340 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:22:45,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 15897 Invalid, 2343 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2340 Invalid, 3 Unknown, 0 Unchecked, 29.5s Time] [2022-12-14 05:22:45,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29575 states. [2022-12-14 05:22:47,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29575 to 29575. [2022-12-14 05:22:47,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29575 states, 17060 states have (on average 1.2118991793669402) internal successors, (20675), 17398 states have internal predecessors, (20675), 10793 states have call successors, (10793), 1717 states have call predecessors, (10793), 1720 states have return successors, (10816), 10678 states have call predecessors, (10816), 10793 states have call successors, (10816) [2022-12-14 05:22:47,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29575 states to 29575 states and 42284 transitions. [2022-12-14 05:22:47,298 INFO L78 Accepts]: Start accepts. Automaton has 29575 states and 42284 transitions. Word has length 323 [2022-12-14 05:22:47,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:22:47,298 INFO L495 AbstractCegarLoop]: Abstraction has 29575 states and 42284 transitions. [2022-12-14 05:22:47,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-14 05:22:47,298 INFO L276 IsEmpty]: Start isEmpty. Operand 29575 states and 42284 transitions. [2022-12-14 05:22:47,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-12-14 05:22:47,302 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:22:47,303 INFO L195 NwaCegarLoop]: trace histogram [24, 16, 16, 16, 16, 16, 16, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:47,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 05:22:47,303 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:22:47,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:22:47,303 INFO L85 PathProgramCache]: Analyzing trace with hash -2080169772, now seen corresponding path program 1 times [2022-12-14 05:22:47,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:22:47,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717062175] [2022-12-14 05:22:47,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:22:47,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:22:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:22:47,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 1368 trivial. 0 not checked. [2022-12-14 05:22:47,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:22:47,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717062175] [2022-12-14 05:22:47,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717062175] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:22:47,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:22:47,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:22:47,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117355829] [2022-12-14 05:22:47,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:22:47,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:22:47,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:22:47,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:22:47,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:22:47,934 INFO L87 Difference]: Start difference. First operand 29575 states and 42284 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-12-14 05:22:56,398 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 05:23:00,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:23:03,372 WARN L539 Checker$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 05:23:04,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:23:04,125 INFO L93 Difference]: Finished difference Result 66223 states and 94627 transitions. [2022-12-14 05:23:04,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:23:04,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 329 [2022-12-14 05:23:04,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:23:04,265 INFO L225 Difference]: With dead ends: 66223 [2022-12-14 05:23:04,265 INFO L226 Difference]: Without dead ends: 36681 [2022-12-14 05:23:04,358 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 05:23:04,358 INFO L413 NwaCegarLoop]: 5675 mSDtfsCounter, 3252 mSDsluCounter, 2938 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 18 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3252 SdHoareTripleChecker+Valid, 8613 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:23:04,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3252 Valid, 8613 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1306 Invalid, 2 Unknown, 0 Unchecked, 13.9s Time] [2022-12-14 05:23:04,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36681 states. [2022-12-14 05:23:06,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36681 to 36671. [2022-12-14 05:23:06,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36671 states, 21138 states have (on average 1.2089601665247423) internal successors, (25555), 21548 states have internal predecessors, (25555), 13367 states have call successors, (13367), 2157 states have call predecessors, (13367), 2164 states have return successors, (13402), 13236 states have call predecessors, (13402), 13367 states have call successors, (13402) [2022-12-14 05:23:07,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36671 states to 36671 states and 52324 transitions. [2022-12-14 05:23:07,091 INFO L78 Accepts]: Start accepts. Automaton has 36671 states and 52324 transitions. Word has length 329 [2022-12-14 05:23:07,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:23:07,091 INFO L495 AbstractCegarLoop]: Abstraction has 36671 states and 52324 transitions. [2022-12-14 05:23:07,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-12-14 05:23:07,091 INFO L276 IsEmpty]: Start isEmpty. Operand 36671 states and 52324 transitions. [2022-12-14 05:23:07,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2022-12-14 05:23:07,097 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:23:07,097 INFO L195 NwaCegarLoop]: trace histogram [26, 16, 16, 16, 16, 16, 16, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:23:07,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 05:23:07,097 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:23:07,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:23:07,098 INFO L85 PathProgramCache]: Analyzing trace with hash -70468743, now seen corresponding path program 1 times [2022-12-14 05:23:07,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:23:07,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912725445] [2022-12-14 05:23:07,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:23:07,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:23:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:23:11,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2022-12-14 05:23:11,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:23:11,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912725445] [2022-12-14 05:23:11,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912725445] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:23:11,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:23:11,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 05:23:11,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915806063] [2022-12-14 05:23:11,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:23:11,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 05:23:11,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:23:11,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 05:23:11,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 05:23:11,969 INFO L87 Difference]: Start difference. First operand 36671 states and 52324 transitions. Second operand has 6 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) [2022-12-14 05:23:19,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:23:20,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:23:37,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:23:51,649 WARN L539 Checker$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 05:23:53,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:23:53,393 INFO L93 Difference]: Finished difference Result 36713 states and 52406 transitions. [2022-12-14 05:23:53,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 05:23:53,394 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) Word has length 376 [2022-12-14 05:23:53,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:23:53,519 INFO L225 Difference]: With dead ends: 36713 [2022-12-14 05:23:53,519 INFO L226 Difference]: Without dead ends: 36711 [2022-12-14 05:23:53,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:23:53,530 INFO L413 NwaCegarLoop]: 4081 mSDtfsCounter, 3487 mSDsluCounter, 13554 mSDsCounter, 0 mSdLazyCounter, 4155 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3489 SdHoareTripleChecker+Valid, 17635 SdHoareTripleChecker+Invalid, 4158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4155 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:23:53,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3489 Valid, 17635 Invalid, 4158 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 4155 Invalid, 2 Unknown, 0 Unchecked, 37.7s Time] [2022-12-14 05:23:53,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36711 states. [2022-12-14 05:23:56,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36711 to 36671. [2022-12-14 05:23:56,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36671 states, 21138 states have (on average 1.2085817012016273) internal successors, (25547), 21548 states have internal predecessors, (25547), 13367 states have call successors, (13367), 2157 states have call predecessors, (13367), 2164 states have return successors, (13402), 13236 states have call predecessors, (13402), 13367 states have call successors, (13402) [2022-12-14 05:23:56,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36671 states to 36671 states and 52316 transitions. [2022-12-14 05:23:56,887 INFO L78 Accepts]: Start accepts. Automaton has 36671 states and 52316 transitions. Word has length 376 [2022-12-14 05:23:56,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:23:56,888 INFO L495 AbstractCegarLoop]: Abstraction has 36671 states and 52316 transitions. [2022-12-14 05:23:56,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) [2022-12-14 05:23:56,888 INFO L276 IsEmpty]: Start isEmpty. Operand 36671 states and 52316 transitions. [2022-12-14 05:23:56,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2022-12-14 05:23:56,952 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:23:56,953 INFO L195 NwaCegarLoop]: trace histogram [30, 18, 18, 18, 18, 18, 18, 17, 17, 8, 4, 4, 4, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:23:56,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 05:23:56,953 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:23:56,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:23:56,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1444070567, now seen corresponding path program 1 times [2022-12-14 05:23:56,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:23:56,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103635230] [2022-12-14 05:23:56,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:23:56,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:23:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:23:58,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2339 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2321 trivial. 0 not checked. [2022-12-14 05:23:58,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:23:58,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103635230] [2022-12-14 05:23:58,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103635230] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:23:58,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:23:58,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:23:58,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869486179] [2022-12-14 05:23:58,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:23:58,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:23:58,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:23:58,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:23:58,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:23:58,154 INFO L87 Difference]: Start difference. First operand 36671 states and 52316 transitions. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 2 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-12-14 05:24:05,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:24:08,975 WARN L539 Checker$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 05:24:14,467 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 05:24:15,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:24:15,392 INFO L93 Difference]: Finished difference Result 81155 states and 116839 transitions. [2022-12-14 05:24:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:24:15,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 2 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) Word has length 676 [2022-12-14 05:24:15,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:24:15,568 INFO L225 Difference]: With dead ends: 81155 [2022-12-14 05:24:15,568 INFO L226 Difference]: Without dead ends: 44517 [2022-12-14 05:24:15,653 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 05:24:15,654 INFO L413 NwaCegarLoop]: 3946 mSDtfsCounter, 651 mSDsluCounter, 3349 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 7295 SdHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:24:15,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [952 Valid, 7295 Invalid, 1026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1024 Invalid, 2 Unknown, 0 Unchecked, 13.5s Time] [2022-12-14 05:24:15,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44517 states. [2022-12-14 05:24:19,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44517 to 36675. [2022-12-14 05:24:19,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36675 states, 21142 states have (on average 1.208542238198846) internal successors, (25551), 21552 states have internal predecessors, (25551), 13367 states have call successors, (13367), 2157 states have call predecessors, (13367), 2164 states have return successors, (13402), 13236 states have call predecessors, (13402), 13367 states have call successors, (13402) [2022-12-14 05:24:19,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36675 states to 36675 states and 52320 transitions. [2022-12-14 05:24:19,933 INFO L78 Accepts]: Start accepts. Automaton has 36675 states and 52320 transitions. Word has length 676 [2022-12-14 05:24:19,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:24:19,933 INFO L495 AbstractCegarLoop]: Abstraction has 36675 states and 52320 transitions. [2022-12-14 05:24:19,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 2 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-12-14 05:24:19,934 INFO L276 IsEmpty]: Start isEmpty. Operand 36675 states and 52320 transitions. [2022-12-14 05:24:19,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2022-12-14 05:24:19,959 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:24:19,960 INFO L195 NwaCegarLoop]: trace histogram [30, 18, 18, 18, 18, 18, 18, 17, 17, 8, 4, 4, 4, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:19,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 05:24:19,960 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:24:19,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:24:19,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1772080936, now seen corresponding path program 1 times [2022-12-14 05:24:19,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:24:19,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413353888] [2022-12-14 05:24:19,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:24:19,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:24:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:24:21,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2339 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2321 trivial. 0 not checked. [2022-12-14 05:24:21,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:24:21,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413353888] [2022-12-14 05:24:21,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413353888] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:24:21,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:24:21,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:24:21,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699561604] [2022-12-14 05:24:21,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:24:21,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:24:21,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:24:21,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:24:21,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:24:21,204 INFO L87 Difference]: Start difference. First operand 36675 states and 52320 transitions. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 3 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (97), 3 states have call predecessors, (97), 3 states have call successors, (97) [2022-12-14 05:24:33,131 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 05:24:40,529 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 05:24:41,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:24:41,852 INFO L93 Difference]: Finished difference Result 84577 states and 120532 transitions. [2022-12-14 05:24:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:24:41,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 3 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (97), 3 states have call predecessors, (97), 3 states have call successors, (97) Word has length 678 [2022-12-14 05:24:41,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:24:42,010 INFO L225 Difference]: With dead ends: 84577 [2022-12-14 05:24:42,010 INFO L226 Difference]: Without dead ends: 47935 [2022-12-14 05:24:42,118 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 05:24:42,118 INFO L413 NwaCegarLoop]: 5429 mSDtfsCounter, 2622 mSDsluCounter, 3125 mSDsCounter, 0 mSdLazyCounter, 1322 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2622 SdHoareTripleChecker+Valid, 8554 SdHoareTripleChecker+Invalid, 1328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1322 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:24:42,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2622 Valid, 8554 Invalid, 1328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1322 Invalid, 2 Unknown, 0 Unchecked, 15.8s Time] [2022-12-14 05:24:42,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47935 states. [2022-12-14 05:24:46,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47935 to 47925. [2022-12-14 05:24:46,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47925 states, 27736 states have (on average 1.2117825209114508) internal successors, (33610), 28260 states have internal predecessors, (33610), 17277 states have call successors, (17277), 2903 states have call predecessors, (17277), 2910 states have return successors, (17326), 17110 states have call predecessors, (17326), 17277 states have call successors, (17326) [2022-12-14 05:24:46,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47925 states to 47925 states and 68213 transitions. [2022-12-14 05:24:46,999 INFO L78 Accepts]: Start accepts. Automaton has 47925 states and 68213 transitions. Word has length 678 [2022-12-14 05:24:47,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:24:47,000 INFO L495 AbstractCegarLoop]: Abstraction has 47925 states and 68213 transitions. [2022-12-14 05:24:47,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 3 states have call successors, (99), 2 states have call predecessors, (99), 1 states have return successors, (97), 3 states have call predecessors, (97), 3 states have call successors, (97) [2022-12-14 05:24:47,000 INFO L276 IsEmpty]: Start isEmpty. Operand 47925 states and 68213 transitions. [2022-12-14 05:24:47,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2022-12-14 05:24:47,032 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:24:47,033 INFO L195 NwaCegarLoop]: trace histogram [32, 18, 18, 18, 18, 18, 18, 17, 17, 8, 5, 5, 5, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:47,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 05:24:47,033 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:24:47,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:24:47,033 INFO L85 PathProgramCache]: Analyzing trace with hash -56323643, now seen corresponding path program 1 times [2022-12-14 05:24:47,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:24:47,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175398393] [2022-12-14 05:24:47,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:24:47,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:24:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:24:48,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2483 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2457 trivial. 0 not checked. [2022-12-14 05:24:48,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:24:48,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175398393] [2022-12-14 05:24:48,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175398393] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:24:48,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:24:48,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:24:48,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512059977] [2022-12-14 05:24:48,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:24:48,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:24:48,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:24:48,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:24:48,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:24:48,737 INFO L87 Difference]: Start difference. First operand 47925 states and 68213 transitions. Second operand has 5 states, 5 states have (on average 54.0) internal successors, (270), 4 states have internal predecessors, (270), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-12-14 05:25:05,131 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 05:25:11,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:25:18,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:25:22,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:25:22,288 INFO L93 Difference]: Finished difference Result 107373 states and 152482 transitions. [2022-12-14 05:25:22,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:25:22,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.0) internal successors, (270), 4 states have internal predecessors, (270), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) Word has length 700 [2022-12-14 05:25:22,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:25:22,492 INFO L225 Difference]: With dead ends: 107373 [2022-12-14 05:25:22,492 INFO L226 Difference]: Without dead ends: 59481 [2022-12-14 05:25:22,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:25:22,616 INFO L413 NwaCegarLoop]: 5428 mSDtfsCounter, 2570 mSDsluCounter, 13981 mSDsCounter, 0 mSdLazyCounter, 2919 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2570 SdHoareTripleChecker+Valid, 19409 SdHoareTripleChecker+Invalid, 2922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2919 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:25:22,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2570 Valid, 19409 Invalid, 2922 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2919 Invalid, 2 Unknown, 0 Unchecked, 28.2s Time] [2022-12-14 05:25:22,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59481 states. [2022-12-14 05:25:28,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59481 to 59094. [2022-12-14 05:25:28,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59094 states, 34113 states have (on average 1.2052589921730719) internal successors, (41115), 34758 states have internal predecessors, (41115), 21299 states have call successors, (21299), 3661 states have call predecessors, (21299), 3680 states have return successors, (21374), 21105 states have call predecessors, (21374), 21299 states have call successors, (21374) [2022-12-14 05:25:28,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59094 states to 59094 states and 83788 transitions. [2022-12-14 05:25:28,713 INFO L78 Accepts]: Start accepts. Automaton has 59094 states and 83788 transitions. Word has length 700 [2022-12-14 05:25:28,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:25:28,714 INFO L495 AbstractCegarLoop]: Abstraction has 59094 states and 83788 transitions. [2022-12-14 05:25:28,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.0) internal successors, (270), 4 states have internal predecessors, (270), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-12-14 05:25:28,714 INFO L276 IsEmpty]: Start isEmpty. Operand 59094 states and 83788 transitions. [2022-12-14 05:25:28,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2022-12-14 05:25:28,748 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:25:28,748 INFO L195 NwaCegarLoop]: trace histogram [32, 18, 18, 18, 18, 18, 18, 17, 17, 8, 5, 5, 5, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:28,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 05:25:28,748 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:25:28,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:25:28,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1867442650, now seen corresponding path program 1 times [2022-12-14 05:25:28,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:25:28,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483783216] [2022-12-14 05:25:28,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:25:28,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:25:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:25:30,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2483 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2457 trivial. 0 not checked. [2022-12-14 05:25:30,340 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:25:30,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483783216] [2022-12-14 05:25:30,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483783216] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:25:30,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:25:30,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:25:30,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541185292] [2022-12-14 05:25:30,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:25:30,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:25:30,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:25:30,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:25:30,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:25:30,342 INFO L87 Difference]: Start difference. First operand 59094 states and 83788 transitions. Second operand has 5 states, 5 states have (on average 54.2) internal successors, (271), 4 states have internal predecessors, (271), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-12-14 05:25:34,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:25:36,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:25:42,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:25:44,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:25:48,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:25:50,850 WARN L539 Checker$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 05:25:52,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:26:08,229 WARN L539 Checker$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 05:26:11,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:26:11,990 INFO L93 Difference]: Finished difference Result 129775 states and 183700 transitions. [2022-12-14 05:26:11,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:26:11,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.2) internal successors, (271), 4 states have internal predecessors, (271), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) Word has length 701 [2022-12-14 05:26:11,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:26:12,221 INFO L225 Difference]: With dead ends: 129775 [2022-12-14 05:26:12,221 INFO L226 Difference]: Without dead ends: 70714 [2022-12-14 05:26:12,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:26:12,369 INFO L413 NwaCegarLoop]: 5433 mSDtfsCounter, 2591 mSDsluCounter, 13971 mSDsCounter, 0 mSdLazyCounter, 2924 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2591 SdHoareTripleChecker+Valid, 19404 SdHoareTripleChecker+Invalid, 2930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2924 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:26:12,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2591 Valid, 19404 Invalid, 2930 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2924 Invalid, 3 Unknown, 0 Unchecked, 35.1s Time] [2022-12-14 05:26:12,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70714 states. [2022-12-14 05:26:19,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70714 to 70680. [2022-12-14 05:26:19,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70680 states, 40737 states have (on average 1.2004320396690968) internal successors, (48902), 41508 states have internal predecessors, (48902), 25445 states have call successors, (25445), 4465 states have call predecessors, (25445), 4496 states have return successors, (25546), 25223 states have call predecessors, (25546), 25445 states have call successors, (25546) [2022-12-14 05:26:19,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70680 states to 70680 states and 99893 transitions. [2022-12-14 05:26:19,526 INFO L78 Accepts]: Start accepts. Automaton has 70680 states and 99893 transitions. Word has length 701 [2022-12-14 05:26:19,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:26:19,526 INFO L495 AbstractCegarLoop]: Abstraction has 70680 states and 99893 transitions. [2022-12-14 05:26:19,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.2) internal successors, (271), 4 states have internal predecessors, (271), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-12-14 05:26:19,527 INFO L276 IsEmpty]: Start isEmpty. Operand 70680 states and 99893 transitions. [2022-12-14 05:26:19,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2022-12-14 05:26:19,565 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:26:19,565 INFO L195 NwaCegarLoop]: trace histogram [32, 18, 18, 18, 18, 18, 18, 17, 17, 8, 5, 5, 5, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:26:19,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 05:26:19,565 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:26:19,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:26:19,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1255873826, now seen corresponding path program 1 times [2022-12-14 05:26:19,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:26:19,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629691277] [2022-12-14 05:26:19,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:26:19,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:26:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:26:21,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2483 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2457 trivial. 0 not checked. [2022-12-14 05:26:21,222 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:26:21,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629691277] [2022-12-14 05:26:21,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629691277] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:26:21,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:26:21,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:26:21,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962679427] [2022-12-14 05:26:21,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:26:21,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:26:21,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:26:21,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:26:21,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:26:21,224 INFO L87 Difference]: Start difference. First operand 70680 states and 99893 transitions. Second operand has 5 states, 5 states have (on average 54.4) internal successors, (272), 4 states have internal predecessors, (272), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-12-14 05:26:27,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:26:38,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:26:40,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:26:43,636 WARN L539 Checker$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 05:26:57,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:01,710 WARN L539 Checker$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 05:27:02,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:27:02,919 INFO L93 Difference]: Finished difference Result 153905 states and 217196 transitions. [2022-12-14 05:27:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:27:02,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.4) internal successors, (272), 4 states have internal predecessors, (272), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) Word has length 702 [2022-12-14 05:27:02,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:27:03,197 INFO L225 Difference]: With dead ends: 153905 [2022-12-14 05:27:03,197 INFO L226 Difference]: Without dead ends: 83258 [2022-12-14 05:27:03,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:27:03,369 INFO L413 NwaCegarLoop]: 5429 mSDtfsCounter, 2608 mSDsluCounter, 13948 mSDsCounter, 0 mSdLazyCounter, 2934 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2608 SdHoareTripleChecker+Valid, 19377 SdHoareTripleChecker+Invalid, 2943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2934 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:27:03,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2608 Valid, 19377 Invalid, 2943 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 2934 Invalid, 3 Unknown, 0 Unchecked, 34.3s Time] [2022-12-14 05:27:03,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83258 states. [2022-12-14 05:27:11,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83258 to 83224. [2022-12-14 05:27:11,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83224 states, 47887 states have (on average 1.196128385574373) internal successors, (57279), 48784 states have internal predecessors, (57279), 29921 states have call successors, (29921), 5371 states have call predecessors, (29921), 5414 states have return successors, (30048), 29671 states have call predecessors, (30048), 29921 states have call successors, (30048) [2022-12-14 05:27:12,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83224 states to 83224 states and 117248 transitions. [2022-12-14 05:27:12,023 INFO L78 Accepts]: Start accepts. Automaton has 83224 states and 117248 transitions. Word has length 702 [2022-12-14 05:27:12,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:27:12,024 INFO L495 AbstractCegarLoop]: Abstraction has 83224 states and 117248 transitions. [2022-12-14 05:27:12,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.4) internal successors, (272), 4 states have internal predecessors, (272), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-12-14 05:27:12,024 INFO L276 IsEmpty]: Start isEmpty. Operand 83224 states and 117248 transitions. [2022-12-14 05:27:12,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2022-12-14 05:27:12,066 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:27:12,066 INFO L195 NwaCegarLoop]: trace histogram [32, 18, 18, 18, 18, 18, 18, 17, 17, 8, 5, 5, 5, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:27:12,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 05:27:12,067 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:27:12,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:27:12,067 INFO L85 PathProgramCache]: Analyzing trace with hash 208660921, now seen corresponding path program 1 times [2022-12-14 05:27:12,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:27:12,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927268743] [2022-12-14 05:27:12,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:27:12,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:27:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:27:13,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2483 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2457 trivial. 0 not checked. [2022-12-14 05:27:13,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:27:13,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927268743] [2022-12-14 05:27:13,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927268743] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:27:13,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:27:13,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:27:13,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9582468] [2022-12-14 05:27:13,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:27:13,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:27:13,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:27:13,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:27:13,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:27:13,825 INFO L87 Difference]: Start difference. First operand 83224 states and 117248 transitions. Second operand has 5 states, 5 states have (on average 54.6) internal successors, (273), 4 states have internal predecessors, (273), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-12-14 05:27:31,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:36,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:48,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:52,172 WARN L539 Checker$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 05:27:53,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:27:53,704 INFO L93 Difference]: Finished difference Result 178063 states and 250706 transitions. [2022-12-14 05:27:53,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:27:53,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.6) internal successors, (273), 4 states have internal predecessors, (273), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) Word has length 703 [2022-12-14 05:27:53,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:27:54,024 INFO L225 Difference]: With dead ends: 178063 [2022-12-14 05:27:54,024 INFO L226 Difference]: Without dead ends: 94872 [2022-12-14 05:27:54,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:27:54,228 INFO L413 NwaCegarLoop]: 5432 mSDtfsCounter, 2572 mSDsluCounter, 13987 mSDsCounter, 0 mSdLazyCounter, 2935 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2572 SdHoareTripleChecker+Valid, 19419 SdHoareTripleChecker+Invalid, 2944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2935 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:27:54,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2572 Valid, 19419 Invalid, 2944 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 2935 Invalid, 2 Unknown, 0 Unchecked, 31.1s Time] [2022-12-14 05:27:54,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94872 states. [2022-12-14 05:28:03,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94872 to 94838. [2022-12-14 05:28:03,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94838 states, 54549 states have (on average 1.1934957561091863) internal successors, (65104), 55572 states have internal predecessors, (65104), 34067 states have call successors, (34067), 6165 states have call predecessors, (34067), 6220 states have return successors, (34220), 33789 states have call predecessors, (34220), 34067 states have call successors, (34220) [2022-12-14 05:28:03,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94838 states to 94838 states and 133391 transitions. [2022-12-14 05:28:03,790 INFO L78 Accepts]: Start accepts. Automaton has 94838 states and 133391 transitions. Word has length 703 [2022-12-14 05:28:03,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:28:03,791 INFO L495 AbstractCegarLoop]: Abstraction has 94838 states and 133391 transitions. [2022-12-14 05:28:03,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.6) internal successors, (273), 4 states have internal predecessors, (273), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-12-14 05:28:03,791 INFO L276 IsEmpty]: Start isEmpty. Operand 94838 states and 133391 transitions. [2022-12-14 05:28:03,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2022-12-14 05:28:03,838 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:03,838 INFO L195 NwaCegarLoop]: trace histogram [32, 18, 18, 18, 18, 18, 18, 17, 17, 8, 5, 5, 5, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:28:03,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 05:28:03,838 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:28:03,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:03,839 INFO L85 PathProgramCache]: Analyzing trace with hash 789072524, now seen corresponding path program 1 times [2022-12-14 05:28:03,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:03,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425377429] [2022-12-14 05:28:03,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:03,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:05,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2483 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2457 trivial. 0 not checked. [2022-12-14 05:28:05,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:05,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425377429] [2022-12-14 05:28:05,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425377429] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:28:05,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:28:05,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:28:05,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224943757] [2022-12-14 05:28:05,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:28:05,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:28:05,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:28:05,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:28:05,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:28:05,417 INFO L87 Difference]: Start difference. First operand 94838 states and 133391 transitions. Second operand has 5 states, 5 states have (on average 54.8) internal successors, (274), 4 states have internal predecessors, (274), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-12-14 05:28:10,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:28:24,157 WARN L539 Checker$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 05:28:41,677 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 05:28:44,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:28:44,621 INFO L93 Difference]: Finished difference Result 201367 states and 283092 transitions. [2022-12-14 05:28:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:28:44,622 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 54.8) internal successors, (274), 4 states have internal predecessors, (274), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) Word has length 704 [2022-12-14 05:28:44,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:28:44,999 INFO L225 Difference]: With dead ends: 201367 [2022-12-14 05:28:44,999 INFO L226 Difference]: Without dead ends: 106562 [2022-12-14 05:28:45,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:28:45,228 INFO L413 NwaCegarLoop]: 5431 mSDtfsCounter, 2583 mSDsluCounter, 13976 mSDsCounter, 0 mSdLazyCounter, 2939 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2583 SdHoareTripleChecker+Valid, 19407 SdHoareTripleChecker+Invalid, 2949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2939 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:28:45,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2583 Valid, 19407 Invalid, 2949 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2939 Invalid, 2 Unknown, 0 Unchecked, 29.8s Time] [2022-12-14 05:28:45,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106562 states. [2022-12-14 05:28:57,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106562 to 106528. [2022-12-14 05:28:57,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106528 states, 61251 states have (on average 1.1913111622667385) internal successors, (72969), 62400 states have internal predecessors, (72969), 38237 states have call successors, (38237), 6971 states have call predecessors, (38237), 7038 states have return successors, (38416), 37931 states have call predecessors, (38416), 38237 states have call successors, (38416) [2022-12-14 05:28:57,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106528 states to 106528 states and 149622 transitions. [2022-12-14 05:28:57,887 INFO L78 Accepts]: Start accepts. Automaton has 106528 states and 149622 transitions. Word has length 704 [2022-12-14 05:28:57,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:28:57,888 INFO L495 AbstractCegarLoop]: Abstraction has 106528 states and 149622 transitions. [2022-12-14 05:28:57,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.8) internal successors, (274), 4 states have internal predecessors, (274), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-12-14 05:28:57,888 INFO L276 IsEmpty]: Start isEmpty. Operand 106528 states and 149622 transitions. [2022-12-14 05:28:57,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2022-12-14 05:28:57,937 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:57,938 INFO L195 NwaCegarLoop]: trace histogram [32, 18, 18, 18, 18, 18, 18, 17, 17, 8, 5, 5, 5, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:28:57,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 05:28:57,938 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:28:57,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:57,938 INFO L85 PathProgramCache]: Analyzing trace with hash 2018725774, now seen corresponding path program 1 times [2022-12-14 05:28:57,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:57,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171720702] [2022-12-14 05:28:57,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:57,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:59,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2483 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2457 trivial. 0 not checked. [2022-12-14 05:28:59,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:59,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171720702] [2022-12-14 05:28:59,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171720702] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:28:59,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:28:59,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:28:59,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080486288] [2022-12-14 05:28:59,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:28:59,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:28:59,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:28:59,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:28:59,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:28:59,804 INFO L87 Difference]: Start difference. First operand 106528 states and 149622 transitions. Second operand has 5 states, 5 states have (on average 55.0) internal successors, (275), 4 states have internal predecessors, (275), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-12-14 05:29:03,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:29:05,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:29:19,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:29:20,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:29:21,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:29:29,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:29:44,210 WARN L539 Checker$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 05:29:46,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:29:46,172 INFO L93 Difference]: Finished difference Result 224675 states and 315492 transitions. [2022-12-14 05:29:46,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:29:46,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 55.0) internal successors, (275), 4 states have internal predecessors, (275), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) Word has length 705 [2022-12-14 05:29:46,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:29:46,580 INFO L225 Difference]: With dead ends: 224675 [2022-12-14 05:29:46,580 INFO L226 Difference]: Without dead ends: 118180 [2022-12-14 05:29:46,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:29:46,841 INFO L413 NwaCegarLoop]: 5432 mSDtfsCounter, 2569 mSDsluCounter, 13989 mSDsCounter, 0 mSdLazyCounter, 2946 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2569 SdHoareTripleChecker+Valid, 19421 SdHoareTripleChecker+Invalid, 2955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2946 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:29:46,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2569 Valid, 19421 Invalid, 2955 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2946 Invalid, 1 Unknown, 0 Unchecked, 34.7s Time] [2022-12-14 05:29:46,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118180 states. [2022-12-14 05:29:58,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118180 to 118146. [2022-12-14 05:29:58,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118146 states, 67927 states have (on average 1.1896300440178427) internal successors, (80808), 69202 states have internal predecessors, (80808), 42383 states have call successors, (42383), 7755 states have call predecessors, (42383), 7834 states have return successors, (42588), 42049 states have call predecessors, (42588), 42383 states have call successors, (42588) [2022-12-14 05:29:58,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118146 states to 118146 states and 165779 transitions. [2022-12-14 05:29:58,799 INFO L78 Accepts]: Start accepts. Automaton has 118146 states and 165779 transitions. Word has length 705 [2022-12-14 05:29:58,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:29:58,800 INFO L495 AbstractCegarLoop]: Abstraction has 118146 states and 165779 transitions. [2022-12-14 05:29:58,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 55.0) internal successors, (275), 4 states have internal predecessors, (275), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-12-14 05:29:58,800 INFO L276 IsEmpty]: Start isEmpty. Operand 118146 states and 165779 transitions. [2022-12-14 05:29:58,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2022-12-14 05:29:58,858 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:29:58,858 INFO L195 NwaCegarLoop]: trace histogram [32, 18, 18, 18, 18, 18, 18, 17, 17, 8, 5, 5, 5, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:29:58,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 05:29:58,859 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:29:58,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:29:58,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1465428577, now seen corresponding path program 1 times [2022-12-14 05:29:58,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:29:58,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276716077] [2022-12-14 05:29:58,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:58,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:29:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:00,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2483 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2457 trivial. 0 not checked. [2022-12-14 05:30:00,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:30:00,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276716077] [2022-12-14 05:30:00,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276716077] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:00,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:30:00,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:30:00,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064865843] [2022-12-14 05:30:00,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:00,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:30:00,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:30:00,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:30:00,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:30:00,590 INFO L87 Difference]: Start difference. First operand 118146 states and 165779 transitions. Second operand has 5 states, 5 states have (on average 55.2) internal successors, (276), 4 states have internal predecessors, (276), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-12-14 05:30:04,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:30:13,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:30:19,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:30:21,806 WARN L539 Checker$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 05:30:29,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:30:43,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:30:46,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:46,887 INFO L93 Difference]: Finished difference Result 247923 states and 347830 transitions. [2022-12-14 05:30:46,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:30:46,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 55.2) internal successors, (276), 4 states have internal predecessors, (276), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) Word has length 706 [2022-12-14 05:30:46,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:47,355 INFO L225 Difference]: With dead ends: 247923 [2022-12-14 05:30:47,355 INFO L226 Difference]: Without dead ends: 129810 [2022-12-14 05:30:47,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:30:47,724 INFO L413 NwaCegarLoop]: 5432 mSDtfsCounter, 2572 mSDsluCounter, 13987 mSDsCounter, 0 mSdLazyCounter, 2946 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2572 SdHoareTripleChecker+Valid, 19419 SdHoareTripleChecker+Invalid, 2959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2946 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:47,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2572 Valid, 19419 Invalid, 2959 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2946 Invalid, 3 Unknown, 0 Unchecked, 34.5s Time] [2022-12-14 05:30:47,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129810 states. [2022-12-14 05:31:00,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129810 to 129776. [2022-12-14 05:31:00,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129776 states, 74615 states have (on average 1.188219526904778) internal successors, (88659), 76016 states have internal predecessors, (88659), 46529 states have call successors, (46529), 8539 states have call predecessors, (46529), 8630 states have return successors, (46760), 46167 states have call predecessors, (46760), 46529 states have call successors, (46760) [2022-12-14 05:31:01,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129776 states to 129776 states and 181948 transitions. [2022-12-14 05:31:01,187 INFO L78 Accepts]: Start accepts. Automaton has 129776 states and 181948 transitions. Word has length 706 [2022-12-14 05:31:01,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:31:01,188 INFO L495 AbstractCegarLoop]: Abstraction has 129776 states and 181948 transitions. [2022-12-14 05:31:01,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 55.2) internal successors, (276), 4 states have internal predecessors, (276), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-12-14 05:31:01,188 INFO L276 IsEmpty]: Start isEmpty. Operand 129776 states and 181948 transitions. [2022-12-14 05:31:01,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2022-12-14 05:31:01,250 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:31:01,250 INFO L195 NwaCegarLoop]: trace histogram [32, 18, 18, 18, 18, 18, 18, 17, 17, 8, 5, 5, 5, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:31:01,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 05:31:01,251 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:31:01,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:31:01,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1334763031, now seen corresponding path program 1 times [2022-12-14 05:31:01,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:31:01,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890084823] [2022-12-14 05:31:01,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:31:01,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:31:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:31:03,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2483 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2457 trivial. 0 not checked. [2022-12-14 05:31:03,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:31:03,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890084823] [2022-12-14 05:31:03,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890084823] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:31:03,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:31:03,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:31:03,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197746930] [2022-12-14 05:31:03,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:31:03,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:31:03,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:31:03,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:31:03,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:31:03,627 INFO L87 Difference]: Start difference. First operand 129776 states and 181948 transitions. Second operand has 5 states, 5 states have (on average 55.4) internal successors, (277), 4 states have internal predecessors, (277), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-12-14 05:31:09,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:31:23,643 WARN L539 Checker$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 05:31:31,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:31:43,504 WARN L539 Checker$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 05:31:45,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:31:45,819 INFO L93 Difference]: Finished difference Result 268925 states and 376972 transitions. [2022-12-14 05:31:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:31:45,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 55.4) internal successors, (277), 4 states have internal predecessors, (277), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) Word has length 707 [2022-12-14 05:31:45,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:31:46,321 INFO L225 Difference]: With dead ends: 268925 [2022-12-14 05:31:46,322 INFO L226 Difference]: Without dead ends: 139182 [2022-12-14 05:31:46,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:31:46,640 INFO L413 NwaCegarLoop]: 5309 mSDtfsCounter, 2425 mSDsluCounter, 13741 mSDsCounter, 0 mSdLazyCounter, 2871 mSolverCounterSat, 11 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2425 SdHoareTripleChecker+Valid, 19050 SdHoareTripleChecker+Invalid, 2885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2871 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:31:46,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2425 Valid, 19050 Invalid, 2885 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 2871 Invalid, 3 Unknown, 0 Unchecked, 29.6s Time] [2022-12-14 05:31:46,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139182 states. [2022-12-14 05:31:59,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139182 to 139130. [2022-12-14 05:32:00,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139130 states, 80003 states have (on average 1.186955489169156) internal successors, (94960), 81514 states have internal predecessors, (94960), 49837 states have call successors, (49837), 9187 states have call predecessors, (49837), 9288 states have return successors, (50088), 49449 states have call predecessors, (50088), 49837 states have call successors, (50088) [2022-12-14 05:32:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139130 states to 139130 states and 194885 transitions. [2022-12-14 05:32:00,559 INFO L78 Accepts]: Start accepts. Automaton has 139130 states and 194885 transitions. Word has length 707 [2022-12-14 05:32:00,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:00,560 INFO L495 AbstractCegarLoop]: Abstraction has 139130 states and 194885 transitions. [2022-12-14 05:32:00,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 55.4) internal successors, (277), 4 states have internal predecessors, (277), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-12-14 05:32:00,560 INFO L276 IsEmpty]: Start isEmpty. Operand 139130 states and 194885 transitions. [2022-12-14 05:32:00,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2022-12-14 05:32:00,629 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:00,629 INFO L195 NwaCegarLoop]: trace histogram [32, 18, 18, 18, 18, 18, 18, 17, 17, 8, 5, 5, 5, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:32:00,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 05:32:00,630 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:32:00,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:00,630 INFO L85 PathProgramCache]: Analyzing trace with hash 367129363, now seen corresponding path program 1 times [2022-12-14 05:32:00,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:00,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007229751] [2022-12-14 05:32:00,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:00,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2483 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2457 trivial. 0 not checked. [2022-12-14 05:32:02,522 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:02,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007229751] [2022-12-14 05:32:02,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007229751] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:02,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:02,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:32:02,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18450229] [2022-12-14 05:32:02,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:02,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:32:02,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:02,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:32:02,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:32:02,524 INFO L87 Difference]: Start difference. First operand 139130 states and 194885 transitions. Second operand has 5 states, 5 states have (on average 55.6) internal successors, (278), 4 states have internal predecessors, (278), 3 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 4 states have call predecessors, (99), 3 states have call successors, (99) [2022-12-14 05:32:07,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:32:22,581 WARN L539 Checker$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 05:32:29,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []