./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4295d1eb99eb4c4e306792d8730363a971cf6332e7c089b8c1be6cbddd5edcb9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:38:09,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:38:09,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:38:09,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:38:09,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:38:09,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:38:09,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:38:09,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:38:09,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:38:09,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:38:09,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:38:09,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:38:09,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:38:09,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:38:09,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:38:09,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:38:09,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:38:09,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:38:09,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:38:09,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:38:09,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:38:09,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:38:09,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:38:09,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:38:09,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:38:09,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:38:09,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:38:09,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:38:09,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:38:09,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:38:09,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:38:09,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:38:09,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:38:09,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:38:09,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:38:09,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:38:09,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:38:09,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:38:09,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:38:09,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:38:09,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:38:09,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:38:09,446 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:38:09,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:38:09,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:38:09,447 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:38:09,448 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:38:09,448 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:38:09,448 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:38:09,449 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:38:09,449 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:38:09,449 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:38:09,450 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:38:09,450 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:38:09,451 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:38:09,451 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:38:09,451 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:38:09,451 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:38:09,451 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:38:09,452 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:38:09,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:38:09,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:38:09,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:38:09,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:38:09,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:38:09,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:38:09,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:38:09,454 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:38:09,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:38:09,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:38:09,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:38:09,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:38:09,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:38:09,456 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:38:09,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:38:09,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:38:09,456 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:38:09,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:38:09,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:38:09,457 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:38:09,457 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_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4295d1eb99eb4c4e306792d8730363a971cf6332e7c089b8c1be6cbddd5edcb9 [2022-11-26 00:38:09,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:38:09,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:38:09,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:38:09,763 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:38:09,764 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:38:09,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2022-11-26 00:38:13,062 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:38:13,914 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:38:13,915 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2022-11-26 00:38:13,988 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/data/90f5bd05d/f8ef26acf0594c37844ee769bb3918e6/FLAGe807d3fb1 [2022-11-26 00:38:14,009 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/data/90f5bd05d/f8ef26acf0594c37844ee769bb3918e6 [2022-11-26 00:38:14,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:38:14,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:38:14,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:38:14,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:38:14,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:38:14,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:38:14" (1/1) ... [2022-11-26 00:38:14,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bac0005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:38:14, skipping insertion in model container [2022-11-26 00:38:14,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:38:14" (1/1) ... [2022-11-26 00:38:14,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:38:14,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:38:15,082 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:38:15,094 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:38:15,183 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-26 00:38:15,203 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-26 00:38:15,701 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:38:15,702 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:38:15,703 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:38:15,727 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:38:15,731 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:38:15,749 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-26 00:38:16,017 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-26 00:38:16,375 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:38:16,399 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-26 00:38:16,476 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-11-26 00:38:16,477 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-11-26 00:38:16,593 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:38:16,594 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:38:16,595 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:38:16,602 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:38:16,609 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:38:16,617 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:38:16,623 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-26 00:38:16,661 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:38:16,670 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:38:16,673 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:38:16,681 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-26 00:38:16,689 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 00:38:16,866 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:38:16,866 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:38:16,932 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 00:38:16,933 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 00:38:16,948 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:38:16,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:38:16,989 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 00:38:16,997 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-26 00:38:17,223 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-26 00:38:17,251 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:38:17,329 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-11-26 00:38:17,347 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-26 00:38:17,348 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:17,350 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:38:17,351 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:17,364 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:38:17,365 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:38:17,369 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:38:17,381 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:38:17,382 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:17,385 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:38:17,385 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:17,395 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:38:17,405 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:38:17,406 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:38:17,408 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:38:17,454 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:38:17,470 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-26 00:38:17,489 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-11-26 00:38:17,489 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:38:17,491 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix [2022-11-26 00:38:17,491 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:17,498 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:38:17,501 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:38:17,512 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:38:17,513 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-26 00:38:17,520 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:17,549 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-26 00:38:17,563 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:17,571 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:17,578 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-11-26 00:38:17,579 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-11-26 00:38:17,586 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:38:17,602 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:38:17,612 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:38:17,620 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:17,624 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:38:17,625 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:38:17,626 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:38:17,626 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:38:17,635 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:38:17,636 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:38:17,661 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:38:17,702 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:17,727 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 00:38:17,727 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:17,728 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:38:17,730 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-11-26 00:38:17,738 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:17,740 WARN L623 FunctionHandler]: Unknown extern function csum_ipv6_magic [2022-11-26 00:38:17,770 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:17,832 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:17,833 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:38:17,834 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:17,847 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:38:17,848 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:38:17,848 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 00:38:17,849 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:38:17,855 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 00:38:17,855 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-26 00:38:17,856 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:17,856 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:38:17,857 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:38:17,869 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-26 00:38:17,870 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-26 00:38:17,876 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:38:17,877 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:38:17,884 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-26 00:38:17,884 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:17,885 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:38:17,892 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:17,892 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:38:17,899 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:17,899 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:17,900 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:17,914 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-26 00:38:17,915 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:17,915 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-26 00:38:17,916 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:38:17,919 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-26 00:38:17,920 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:17,921 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:17,921 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:17,922 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:17,923 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:38:17,923 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:38:17,924 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:38:17,924 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:38:17,924 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:38:17,926 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:38:17,926 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:38:17,927 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:38:17,927 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-26 00:38:17,927 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:38:17,928 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:38:17,934 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:38:17,935 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:38:17,935 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-11-26 00:38:17,935 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:38:17,935 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:38:17,936 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-26 00:38:17,936 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-26 00:38:17,936 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:38:17,937 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:38:17,943 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:38:17,944 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:38:18,418 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:38:18,424 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:38:18,424 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:38:18,426 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:38:18,426 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:38:18,428 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:38:18,428 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:38:18,443 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:38:18,446 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-26 00:38:18,464 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:38:18,464 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:38:18,471 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:38:18,489 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:38:18,490 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:38:18,492 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:38:18,492 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:38:18,493 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:38:18,495 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:38:18,495 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-11-26 00:38:18,495 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:38:18,496 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:38:18,496 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:38:18,496 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:38:18,497 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 00:38:18,498 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:38:18,498 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:38:18,499 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:38:18,499 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-11-26 00:38:18,499 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:38:18,500 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:38:18,500 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:38:18,501 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:38:18,563 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:38:18,575 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,662 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,669 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,676 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,682 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,706 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,713 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,719 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,725 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,732 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,755 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,761 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,767 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,773 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,779 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,803 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,810 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,816 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,822 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,828 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,852 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,858 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,864 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,870 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,876 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,897 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,903 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,909 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,915 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,921 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,945 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,952 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,958 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,964 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,971 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:18,995 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,002 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,008 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,014 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,021 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,045 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,051 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,058 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,064 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,071 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,095 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,102 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,108 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,113 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,119 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,140 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,147 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,154 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,160 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,165 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,189 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,196 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,202 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,209 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,215 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,239 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,246 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,253 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,259 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,266 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,291 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,298 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,305 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,311 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,318 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,343 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,344 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,344 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,344 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,345 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,345 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,345 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,345 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,346 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,349 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,349 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,349 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,350 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,350 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,351 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:19,383 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_fdcb16a0-64cd-4db3-9e8d-101beb6561be/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487689,487702] [2022-11-26 00:38:19,389 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_fdcb16a0-64cd-4db3-9e8d-101beb6561be/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487834,487847] [2022-11-26 00:38:19,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:38:19,522 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:38:19,708 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:38:19,709 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:38:19,722 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-26 00:38:19,723 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-26 00:38:19,741 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:38:19,742 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:38:19,742 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:38:19,747 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:38:19,749 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:38:19,755 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-26 00:38:19,764 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-26 00:38:19,773 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:38:19,774 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-26 00:38:19,778 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-11-26 00:38:19,779 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-11-26 00:38:19,783 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:38:19,784 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:38:19,785 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:38:19,787 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:38:19,788 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:38:19,789 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:38:19,789 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-26 00:38:19,792 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:38:19,793 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:38:19,793 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:38:19,794 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-26 00:38:19,795 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 00:38:19,804 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:38:19,805 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:38:19,806 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 00:38:19,806 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 00:38:19,807 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:38:19,808 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:38:19,809 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 00:38:19,809 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-26 00:38:19,813 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-26 00:38:19,817 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:38:19,827 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-11-26 00:38:19,840 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-26 00:38:19,842 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:19,843 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:38:19,843 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:19,847 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:38:19,847 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:38:19,851 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:38:19,862 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:38:19,862 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:19,868 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:38:19,868 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:19,878 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:38:19,884 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:38:19,884 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:38:19,886 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:38:19,900 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:38:19,903 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-26 00:38:19,907 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-11-26 00:38:19,907 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:38:19,908 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix [2022-11-26 00:38:19,908 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:19,909 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:38:19,909 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:38:19,912 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:38:19,912 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-26 00:38:19,912 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:19,920 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-26 00:38:19,921 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:19,922 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:19,923 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-11-26 00:38:19,923 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-11-26 00:38:19,924 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:38:19,926 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:38:19,933 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:38:19,934 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:19,936 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:38:19,936 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:38:19,937 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:38:19,937 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:38:19,939 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:38:19,941 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:38:19,946 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:38:19,955 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:19,959 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 00:38:19,959 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:19,960 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:38:19,961 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-11-26 00:38:19,962 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:19,964 WARN L623 FunctionHandler]: Unknown extern function csum_ipv6_magic [2022-11-26 00:38:19,972 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:19,981 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:19,981 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:38:19,982 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:19,983 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:38:19,983 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:38:19,984 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 00:38:19,984 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:38:19,984 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 00:38:19,985 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-26 00:38:19,985 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:19,985 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:38:19,986 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:38:19,986 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-26 00:38:19,987 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-26 00:38:19,987 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:38:19,987 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:38:19,988 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-26 00:38:19,988 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:19,988 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:38:19,989 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:19,989 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:38:19,990 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:19,990 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:19,990 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:19,993 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-26 00:38:19,993 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:38:19,993 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-26 00:38:19,994 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:38:20,044 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-26 00:38:20,045 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:20,045 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:20,046 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:20,046 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:38:20,047 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:38:20,047 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:38:20,048 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:38:20,048 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:38:20,048 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:38:20,049 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:38:20,049 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:38:20,050 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:38:20,050 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-26 00:38:20,050 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:38:20,050 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:38:20,051 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:38:20,051 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:38:20,051 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-11-26 00:38:20,052 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:38:20,052 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:38:20,052 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-26 00:38:20,052 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-26 00:38:20,053 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:38:20,053 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:38:20,057 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:38:20,057 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:38:20,069 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:38:20,072 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:38:20,072 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:38:20,073 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:38:20,073 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:38:20,074 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:38:20,074 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:38:20,082 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:38:20,084 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-26 00:38:20,093 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:38:20,094 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:38:20,098 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:38:20,099 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:38:20,099 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:38:20,101 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:38:20,101 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:38:20,101 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:38:20,102 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:38:20,102 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-11-26 00:38:20,102 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:38:20,102 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:38:20,103 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:38:20,103 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:38:20,103 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 00:38:20,104 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:38:20,104 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:38:20,104 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:38:20,104 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-11-26 00:38:20,105 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:38:20,105 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:38:20,105 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:38:20,106 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:38:20,108 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:38:20,109 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,112 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,112 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,113 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,113 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,114 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,114 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,115 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,115 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,115 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,116 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,116 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,117 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,117 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,117 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,118 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,118 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,119 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,119 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,119 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,120 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,121 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,121 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,121 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,122 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,122 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,123 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,123 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,123 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,124 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,124 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,125 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,125 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,125 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,126 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,127 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,127 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,127 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,128 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,128 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,129 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,129 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,129 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,130 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,130 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,131 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,131 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,132 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,132 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,132 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,133 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,134 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,134 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,134 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,135 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,135 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,136 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,136 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,136 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,137 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,137 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,138 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,138 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,138 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,139 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,139 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,140 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,140 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,140 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,141 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,141 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,142 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,142 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,142 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,142 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,143 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,143 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,147 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,148 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,149 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,149 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,150 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,150 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,150 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,150 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:38:20,152 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_fdcb16a0-64cd-4db3-9e8d-101beb6561be/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487689,487702] [2022-11-26 00:38:20,152 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_fdcb16a0-64cd-4db3-9e8d-101beb6561be/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[487834,487847] [2022-11-26 00:38:20,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:38:20,603 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:38:20,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:38:20 WrapperNode [2022-11-26 00:38:20,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:38:20,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:38:20,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:38:20,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:38:20,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:38:20" (1/1) ... [2022-11-26 00:38:20,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:38:20" (1/1) ... [2022-11-26 00:38:21,031 INFO L138 Inliner]: procedures = 639, calls = 3635, calls flagged for inlining = 316, calls inlined = 281, statements flattened = 8259 [2022-11-26 00:38:21,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:38:21,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:38:21,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:38:21,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:38:21,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:38:20" (1/1) ... [2022-11-26 00:38:21,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:38:20" (1/1) ... [2022-11-26 00:38:21,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:38:20" (1/1) ... [2022-11-26 00:38:21,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:38:20" (1/1) ... [2022-11-26 00:38:21,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:38:20" (1/1) ... [2022-11-26 00:38:21,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:38:20" (1/1) ... [2022-11-26 00:38:21,349 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:38:20" (1/1) ... [2022-11-26 00:38:21,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:38:20" (1/1) ... [2022-11-26 00:38:21,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:38:21,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:38:21,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:38:21,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:38:21,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:38:20" (1/1) ... [2022-11-26 00:38:21,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:38:21,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:38:21,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:38:21,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:38:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-26 00:38:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-26 00:38:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-26 00:38:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-26 00:38:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:38:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:38:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-11-26 00:38:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-11-26 00:38:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-26 00:38:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-26 00:38:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:38:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:38:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-26 00:38:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-26 00:38:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2022-11-26 00:38:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2022-11-26 00:38:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-26 00:38:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-26 00:38:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-26 00:38:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-26 00:38:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-26 00:38:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-26 00:38:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-26 00:38:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-26 00:38:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2022-11-26 00:38:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2022-11-26 00:38:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-26 00:38:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-26 00:38:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2022-11-26 00:38:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2022-11-26 00:38:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2022-11-26 00:38:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2022-11-26 00:38:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:38:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:38:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2022-11-26 00:38:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2022-11-26 00:38:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2022-11-26 00:38:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2022-11-26 00:38:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-26 00:38:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-26 00:38:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:38:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 00:38:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-26 00:38:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-26 00:38:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-26 00:38:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-26 00:38:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2022-11-26 00:38:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2022-11-26 00:38:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:38:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:38:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-26 00:38:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-26 00:38:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2022-11-26 00:38:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2022-11-26 00:38:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:38:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-26 00:38:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-26 00:38:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-26 00:38:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-26 00:38:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-26 00:38:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-26 00:38:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-26 00:38:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-26 00:38:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-26 00:38:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-26 00:38:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:38:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2022-11-26 00:38:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2022-11-26 00:38:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-26 00:38:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-26 00:38:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-26 00:38:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-26 00:38:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:38:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2022-11-26 00:38:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2022-11-26 00:38:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 00:38:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 00:38:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:38:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2022-11-26 00:38:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2022-11-26 00:38:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-26 00:38:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-26 00:38:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-26 00:38:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-26 00:38:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2022-11-26 00:38:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2022-11-26 00:38:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 00:38:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 00:38:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2022-11-26 00:38:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2022-11-26 00:38:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-26 00:38:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-26 00:38:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-26 00:38:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-26 00:38:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2022-11-26 00:38:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2022-11-26 00:38:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-26 00:38:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-26 00:38:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2022-11-26 00:38:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2022-11-26 00:38:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-26 00:38:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-26 00:38:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-26 00:38:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-26 00:38:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-26 00:38:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-26 00:38:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-26 00:38:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-26 00:38:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-26 00:38:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-26 00:38:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-26 00:38:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-26 00:38:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-26 00:38:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-26 00:38:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:38:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-26 00:38:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-26 00:38:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-26 00:38:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-26 00:38:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-26 00:38:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-26 00:38:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-26 00:38:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-26 00:38:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-26 00:38:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-26 00:38:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2022-11-26 00:38:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2022-11-26 00:38:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:38:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2022-11-26 00:38:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2022-11-26 00:38:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-26 00:38:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-26 00:38:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:38:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:38:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:38:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:38:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:38:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-26 00:38:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-26 00:38:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2022-11-26 00:38:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2022-11-26 00:38:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2022-11-26 00:38:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2022-11-26 00:38:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-26 00:38:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-26 00:38:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-26 00:38:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-26 00:38:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2022-11-26 00:38:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2022-11-26 00:38:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-26 00:38:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-26 00:38:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2022-11-26 00:38:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2022-11-26 00:38:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-26 00:38:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-26 00:38:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-26 00:38:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-26 00:38:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2022-11-26 00:38:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2022-11-26 00:38:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 00:38:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 00:38:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-26 00:38:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-26 00:38:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2022-11-26 00:38:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2022-11-26 00:38:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2022-11-26 00:38:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2022-11-26 00:38:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-26 00:38:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-26 00:38:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-26 00:38:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-26 00:38:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2022-11-26 00:38:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2022-11-26 00:38:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2022-11-26 00:38:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2022-11-26 00:38:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:38:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:38:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-26 00:38:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-26 00:38:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2022-11-26 00:38:21,596 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2022-11-26 00:38:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-26 00:38:21,596 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-26 00:38:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:38:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:38:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:38:21,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:38:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-26 00:38:21,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-26 00:38:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2022-11-26 00:38:21,596 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2022-11-26 00:38:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-26 00:38:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-26 00:38:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-26 00:38:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-26 00:38:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-26 00:38:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-26 00:38:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2022-11-26 00:38:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2022-11-26 00:38:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-26 00:38:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-26 00:38:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2022-11-26 00:38:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2022-11-26 00:38:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2022-11-26 00:38:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2022-11-26 00:38:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-26 00:38:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-26 00:38:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-26 00:38:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-26 00:38:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2022-11-26 00:38:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2022-11-26 00:38:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-26 00:38:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-26 00:38:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:38:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:38:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-26 00:38:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-26 00:38:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-26 00:38:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-26 00:38:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2022-11-26 00:38:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2022-11-26 00:38:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2022-11-26 00:38:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2022-11-26 00:38:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-26 00:38:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-26 00:38:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-26 00:38:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-26 00:38:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-26 00:38:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-26 00:38:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:38:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 00:38:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 00:38:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2022-11-26 00:38:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2022-11-26 00:38:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-26 00:38:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-26 00:38:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-26 00:38:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-26 00:38:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2022-11-26 00:38:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2022-11-26 00:38:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:38:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2022-11-26 00:38:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2022-11-26 00:38:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2022-11-26 00:38:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2022-11-26 00:38:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2022-11-26 00:38:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2022-11-26 00:38:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-26 00:38:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-26 00:38:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2022-11-26 00:38:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2022-11-26 00:38:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-26 00:38:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-26 00:38:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:38:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2022-11-26 00:38:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2022-11-26 00:38:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-26 00:38:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-26 00:38:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-26 00:38:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-26 00:38:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-26 00:38:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-26 00:38:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-26 00:38:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-26 00:38:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2022-11-26 00:38:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2022-11-26 00:38:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2022-11-26 00:38:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2022-11-26 00:38:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 00:38:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 00:38:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-26 00:38:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-26 00:38:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-26 00:38:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-26 00:38:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2022-11-26 00:38:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2022-11-26 00:38:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-11-26 00:38:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-11-26 00:38:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2022-11-26 00:38:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2022-11-26 00:38:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-26 00:38:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-26 00:38:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-26 00:38:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-26 00:38:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-26 00:38:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-26 00:38:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-26 00:38:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-26 00:38:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2022-11-26 00:38:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2022-11-26 00:38:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-26 00:38:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-26 00:38:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-26 00:38:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-26 00:38:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2022-11-26 00:38:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2022-11-26 00:38:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:38:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:38:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2022-11-26 00:38:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2022-11-26 00:38:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:38:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-11-26 00:38:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-11-26 00:38:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:38:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:38:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-26 00:38:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-26 00:38:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-26 00:38:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-26 00:38:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-26 00:38:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-26 00:38:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-26 00:38:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-26 00:38:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-26 00:38:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-26 00:38:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2022-11-26 00:38:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2022-11-26 00:38:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2022-11-26 00:38:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2022-11-26 00:38:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-11-26 00:38:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-11-26 00:38:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2022-11-26 00:38:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2022-11-26 00:38:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 00:38:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 00:38:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2022-11-26 00:38:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2022-11-26 00:38:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-26 00:38:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-26 00:38:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-26 00:38:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-26 00:38:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2022-11-26 00:38:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2022-11-26 00:38:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-11-26 00:38:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-11-26 00:38:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-26 00:38:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-26 00:38:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2022-11-26 00:38:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2022-11-26 00:38:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-26 00:38:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-26 00:38:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:38:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-26 00:38:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-26 00:38:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-26 00:38:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-26 00:38:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-26 00:38:22,855 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:38:22,863 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:38:23,324 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:38:32,087 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-26 00:38:32,333 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:38:34,536 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:38:34,536 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:38:34,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:38:34 BoogieIcfgContainer [2022-11-26 00:38:34,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:38:34,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:38:34,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:38:34,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:38:34,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:38:14" (1/3) ... [2022-11-26 00:38:34,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2591098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:38:34, skipping insertion in model container [2022-11-26 00:38:34,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:38:20" (2/3) ... [2022-11-26 00:38:34,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2591098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:38:34, skipping insertion in model container [2022-11-26 00:38:34,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:38:34" (3/3) ... [2022-11-26 00:38:34,557 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2022-11-26 00:38:34,586 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:38:34,587 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:38:34,723 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:38:34,732 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;@f1f20e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:38:34,732 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:38:34,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 2300 states, 1350 states have (on average 1.2762962962962963) internal successors, (1723), 1392 states have internal predecessors, (1723), 784 states have call successors, (784), 165 states have call predecessors, (784), 164 states have return successors, (776), 762 states have call predecessors, (776), 776 states have call successors, (776) [2022-11-26 00:38:34,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-26 00:38:34,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:38:34,795 INFO L195 NwaCegarLoop]: trace histogram [25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:38:34,795 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:38:34,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:38:34,800 INFO L85 PathProgramCache]: Analyzing trace with hash -123986788, now seen corresponding path program 1 times [2022-11-26 00:38:34,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:38:34,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577097972] [2022-11-26 00:38:34,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:38:34,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:38:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:38:36,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2022-11-26 00:38:36,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:38:36,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577097972] [2022-11-26 00:38:36,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577097972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:38:36,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:38:36,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:38:36,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697632149] [2022-11-26 00:38:36,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:38:36,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:38:36,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:38:36,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:38:36,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:38:36,322 INFO L87 Difference]: Start difference. First operand has 2300 states, 1350 states have (on average 1.2762962962962963) internal successors, (1723), 1392 states have internal predecessors, (1723), 784 states have call successors, (784), 165 states have call predecessors, (784), 164 states have return successors, (776), 762 states have call predecessors, (776), 776 states have call successors, (776) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-26 00:38:38,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:38:42,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:38:43,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:38:43,447 INFO L93 Difference]: Finished difference Result 6133 states and 8793 transitions. [2022-11-26 00:38:43,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:38:43,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 282 [2022-11-26 00:38:43,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:38:43,492 INFO L225 Difference]: With dead ends: 6133 [2022-11-26 00:38:43,493 INFO L226 Difference]: Without dead ends: 3815 [2022-11-26 00:38:43,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:38:43,511 INFO L413 NwaCegarLoop]: 3426 mSDtfsCounter, 2228 mSDsluCounter, 2787 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2228 SdHoareTripleChecker+Valid, 6213 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:38:43,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2228 Valid, 6213 Invalid, 965 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-11-26 00:38:43,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3815 states. [2022-11-26 00:38:43,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3815 to 3810. [2022-11-26 00:38:43,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3810 states, 2287 states have (on average 1.2719720157411456) internal successors, (2909), 2343 states have internal predecessors, (2909), 1236 states have call successors, (1236), 285 states have call predecessors, (1236), 285 states have return successors, (1236), 1217 states have call predecessors, (1236), 1236 states have call successors, (1236) [2022-11-26 00:38:43,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3810 states to 3810 states and 5381 transitions. [2022-11-26 00:38:43,857 INFO L78 Accepts]: Start accepts. Automaton has 3810 states and 5381 transitions. Word has length 282 [2022-11-26 00:38:43,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:38:43,861 INFO L495 AbstractCegarLoop]: Abstraction has 3810 states and 5381 transitions. [2022-11-26 00:38:43,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-26 00:38:43,862 INFO L276 IsEmpty]: Start isEmpty. Operand 3810 states and 5381 transitions. [2022-11-26 00:38:43,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-11-26 00:38:43,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:38:43,875 INFO L195 NwaCegarLoop]: trace histogram [25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:38:43,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:38:43,875 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:38:43,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:38:43,876 INFO L85 PathProgramCache]: Analyzing trace with hash -61436520, now seen corresponding path program 1 times [2022-11-26 00:38:43,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:38:43,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565359646] [2022-11-26 00:38:43,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:38:43,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:38:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:38:44,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2022-11-26 00:38:44,384 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:38:44,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565359646] [2022-11-26 00:38:44,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565359646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:38:44,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:38:44,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:38:44,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893657487] [2022-11-26 00:38:44,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:38:44,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:38:44,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:38:44,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:38:44,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:38:44,394 INFO L87 Difference]: Start difference. First operand 3810 states and 5381 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-26 00:38:47,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:38:49,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:38:52,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:38:52,177 INFO L93 Difference]: Finished difference Result 9530 states and 13364 transitions. [2022-11-26 00:38:52,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:38:52,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 294 [2022-11-26 00:38:52,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:38:52,224 INFO L225 Difference]: With dead ends: 9530 [2022-11-26 00:38:52,224 INFO L226 Difference]: Without dead ends: 5769 [2022-11-26 00:38:52,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:38:52,244 INFO L413 NwaCegarLoop]: 3499 mSDtfsCounter, 2254 mSDsluCounter, 2684 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2254 SdHoareTripleChecker+Valid, 6183 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:38:52,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2254 Valid, 6183 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 973 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2022-11-26 00:38:52,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5769 states. [2022-11-26 00:38:52,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5769 to 5762. [2022-11-26 00:38:52,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5762 states, 3443 states have (on average 1.2587859424920127) internal successors, (4334), 3520 states have internal predecessors, (4334), 1853 states have call successors, (1853), 464 states have call predecessors, (1853), 464 states have return successors, (1854), 1826 states have call predecessors, (1854), 1853 states have call successors, (1854) [2022-11-26 00:38:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5762 states to 5762 states and 8041 transitions. [2022-11-26 00:38:52,647 INFO L78 Accepts]: Start accepts. Automaton has 5762 states and 8041 transitions. Word has length 294 [2022-11-26 00:38:52,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:38:52,649 INFO L495 AbstractCegarLoop]: Abstraction has 5762 states and 8041 transitions. [2022-11-26 00:38:52,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-26 00:38:52,650 INFO L276 IsEmpty]: Start isEmpty. Operand 5762 states and 8041 transitions. [2022-11-26 00:38:52,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-11-26 00:38:52,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:38:52,659 INFO L195 NwaCegarLoop]: trace histogram [28, 24, 24, 24, 24, 24, 24, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:38:52,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:38:52,660 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:38:52,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:38:52,669 INFO L85 PathProgramCache]: Analyzing trace with hash 486098703, now seen corresponding path program 1 times [2022-11-26 00:38:52,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:38:52,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117968033] [2022-11-26 00:38:52,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:38:52,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:38:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:38:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2433 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2430 trivial. 0 not checked. [2022-11-26 00:38:53,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:38:53,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117968033] [2022-11-26 00:38:53,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117968033] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:38:53,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:38:53,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:38:53,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115252392] [2022-11-26 00:38:53,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:38:53,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:38:53,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:38:53,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:38:53,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:38:53,302 INFO L87 Difference]: Start difference. First operand 5762 states and 8041 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-26 00:38:56,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:38:59,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:39:03,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:39:03,102 INFO L93 Difference]: Finished difference Result 13365 states and 18652 transitions. [2022-11-26 00:39:03,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:39:03,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 329 [2022-11-26 00:39:03,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:39:03,159 INFO L225 Difference]: With dead ends: 13365 [2022-11-26 00:39:03,159 INFO L226 Difference]: Without dead ends: 7652 [2022-11-26 00:39:03,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:39:03,190 INFO L413 NwaCegarLoop]: 4590 mSDtfsCounter, 2164 mSDsluCounter, 2721 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2164 SdHoareTripleChecker+Valid, 7311 SdHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:39:03,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2164 Valid, 7311 Invalid, 1274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-11-26 00:39:03,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7652 states. [2022-11-26 00:39:03,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7652 to 7646. [2022-11-26 00:39:03,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7646 states, 4599 states have (on average 1.2617960426179604) internal successors, (5803), 4694 states have internal predecessors, (5803), 2423 states have call successors, (2423), 622 states have call predecessors, (2423), 622 states have return successors, (2424), 2390 states have call predecessors, (2424), 2423 states have call successors, (2424) [2022-11-26 00:39:03,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7646 states to 7646 states and 10650 transitions. [2022-11-26 00:39:03,659 INFO L78 Accepts]: Start accepts. Automaton has 7646 states and 10650 transitions. Word has length 329 [2022-11-26 00:39:03,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:39:03,661 INFO L495 AbstractCegarLoop]: Abstraction has 7646 states and 10650 transitions. [2022-11-26 00:39:03,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-26 00:39:03,662 INFO L276 IsEmpty]: Start isEmpty. Operand 7646 states and 10650 transitions. [2022-11-26 00:39:03,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2022-11-26 00:39:03,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:39:03,673 INFO L195 NwaCegarLoop]: trace histogram [30, 24, 24, 24, 24, 24, 24, 8, 8, 3, 3, 3, 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] [2022-11-26 00:39:03,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:39:03,673 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:39:03,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:39:03,674 INFO L85 PathProgramCache]: Analyzing trace with hash -348566398, now seen corresponding path program 1 times [2022-11-26 00:39:03,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:39:03,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972974112] [2022-11-26 00:39:03,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:03,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:39:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:04,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2639 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2622 trivial. 0 not checked. [2022-11-26 00:39:04,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:39:04,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972974112] [2022-11-26 00:39:04,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972974112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:39:04,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:39:04,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:39:04,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374535755] [2022-11-26 00:39:04,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:39:04,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:39:04,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:39:04,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:39:04,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:39:04,646 INFO L87 Difference]: Start difference. First operand 7646 states and 10650 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-26 00:39:09,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:39:12,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:39:12,183 INFO L93 Difference]: Finished difference Result 18093 states and 25149 transitions. [2022-11-26 00:39:12,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:39:12,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 393 [2022-11-26 00:39:12,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:39:12,257 INFO L225 Difference]: With dead ends: 18093 [2022-11-26 00:39:12,257 INFO L226 Difference]: Without dead ends: 10496 [2022-11-26 00:39:12,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:39:12,293 INFO L413 NwaCegarLoop]: 4775 mSDtfsCounter, 2907 mSDsluCounter, 2348 mSDsCounter, 0 mSdLazyCounter, 1221 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2907 SdHoareTripleChecker+Valid, 7123 SdHoareTripleChecker+Invalid, 1241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1221 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:39:12,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2907 Valid, 7123 Invalid, 1241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1221 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-11-26 00:39:12,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10496 states. [2022-11-26 00:39:12,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10496 to 10490. [2022-11-26 00:39:12,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10490 states, 6318 states have (on average 1.258784425451092) internal successors, (7953), 6443 states have internal predecessors, (7953), 3291 states have call successors, (3291), 879 states have call predecessors, (3291), 879 states have return successors, (3292), 3248 states have call predecessors, (3292), 3291 states have call successors, (3292) [2022-11-26 00:39:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10490 states to 10490 states and 14536 transitions. [2022-11-26 00:39:12,919 INFO L78 Accepts]: Start accepts. Automaton has 10490 states and 14536 transitions. Word has length 393 [2022-11-26 00:39:12,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:39:12,920 INFO L495 AbstractCegarLoop]: Abstraction has 10490 states and 14536 transitions. [2022-11-26 00:39:12,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-26 00:39:12,921 INFO L276 IsEmpty]: Start isEmpty. Operand 10490 states and 14536 transitions. [2022-11-26 00:39:12,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2022-11-26 00:39:12,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:39:12,936 INFO L195 NwaCegarLoop]: trace histogram [32, 24, 24, 24, 24, 24, 24, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:39:12,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:39:12,937 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:39:12,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:39:12,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1759496691, now seen corresponding path program 1 times [2022-11-26 00:39:12,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:39:12,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191441881] [2022-11-26 00:39:12,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:12,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:39:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:13,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2856 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2022-11-26 00:39:13,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:39:13,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191441881] [2022-11-26 00:39:13,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191441881] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:39:13,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:39:13,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:39:13,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617724997] [2022-11-26 00:39:13,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:39:13,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:39:13,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:39:13,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:39:13,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:39:13,897 INFO L87 Difference]: Start difference. First operand 10490 states and 14536 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-26 00:39:17,363 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 [] [2022-11-26 00:39:22,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:39:22,773 INFO L93 Difference]: Finished difference Result 22840 states and 31674 transitions. [2022-11-26 00:39:22,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:39:22,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 442 [2022-11-26 00:39:22,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:39:22,840 INFO L225 Difference]: With dead ends: 22840 [2022-11-26 00:39:22,841 INFO L226 Difference]: Without dead ends: 12399 [2022-11-26 00:39:22,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:39:22,883 INFO L413 NwaCegarLoop]: 4106 mSDtfsCounter, 2189 mSDsluCounter, 2721 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2189 SdHoareTripleChecker+Valid, 6827 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:39:22,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2189 Valid, 6827 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1114 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2022-11-26 00:39:22,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12399 states. [2022-11-26 00:39:23,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12399 to 12393. [2022-11-26 00:39:23,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12393 states, 7494 states have (on average 1.2615425673872431) internal successors, (9454), 7637 states have internal predecessors, (9454), 3860 states have call successors, (3860), 1037 states have call predecessors, (3860), 1037 states have return successors, (3861), 3811 states have call predecessors, (3861), 3860 states have call successors, (3861) [2022-11-26 00:39:23,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12393 states to 12393 states and 17175 transitions. [2022-11-26 00:39:23,747 INFO L78 Accepts]: Start accepts. Automaton has 12393 states and 17175 transitions. Word has length 442 [2022-11-26 00:39:23,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:39:23,750 INFO L495 AbstractCegarLoop]: Abstraction has 12393 states and 17175 transitions. [2022-11-26 00:39:23,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-26 00:39:23,751 INFO L276 IsEmpty]: Start isEmpty. Operand 12393 states and 17175 transitions. [2022-11-26 00:39:23,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-11-26 00:39:23,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:39:23,773 INFO L195 NwaCegarLoop]: trace histogram [33, 26, 26, 26, 26, 26, 26, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:39:23,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:39:23,774 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:39:23,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:39:23,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1251239882, now seen corresponding path program 1 times [2022-11-26 00:39:23,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:39:23,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525804300] [2022-11-26 00:39:23,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:23,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:39:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:26,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3214 trivial. 0 not checked. [2022-11-26 00:39:26,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:39:26,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525804300] [2022-11-26 00:39:26,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525804300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:39:26,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:39:26,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:39:26,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541507628] [2022-11-26 00:39:26,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:39:26,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:39:26,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:39:26,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:39:26,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:39:26,184 INFO L87 Difference]: Start difference. First operand 12393 states and 17175 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-26 00:39:28,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:39:29,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:39:31,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:39:35,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:39:40,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:39:40,272 INFO L93 Difference]: Finished difference Result 32511 states and 46441 transitions. [2022-11-26 00:39:40,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:39:40,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 480 [2022-11-26 00:39:40,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:39:40,367 INFO L225 Difference]: With dead ends: 32511 [2022-11-26 00:39:40,367 INFO L226 Difference]: Without dead ends: 20167 [2022-11-26 00:39:40,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:39:40,411 INFO L413 NwaCegarLoop]: 3951 mSDtfsCounter, 1721 mSDsluCounter, 6717 mSDsCounter, 0 mSdLazyCounter, 1595 mSolverCounterSat, 488 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1969 SdHoareTripleChecker+Valid, 10668 SdHoareTripleChecker+Invalid, 2085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 488 IncrementalHoareTripleChecker+Valid, 1595 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:39:40,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1969 Valid, 10668 Invalid, 2085 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [488 Valid, 1595 Invalid, 2 Unknown, 0 Unchecked, 13.0s Time] [2022-11-26 00:39:40,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20167 states. [2022-11-26 00:39:41,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20167 to 12397. [2022-11-26 00:39:41,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12397 states, 7498 states have (on average 1.261403040810883) internal successors, (9458), 7641 states have internal predecessors, (9458), 3860 states have call successors, (3860), 1037 states have call predecessors, (3860), 1037 states have return successors, (3861), 3811 states have call predecessors, (3861), 3860 states have call successors, (3861) [2022-11-26 00:39:41,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12397 states to 12397 states and 17179 transitions. [2022-11-26 00:39:41,538 INFO L78 Accepts]: Start accepts. Automaton has 12397 states and 17179 transitions. Word has length 480 [2022-11-26 00:39:41,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:39:41,539 INFO L495 AbstractCegarLoop]: Abstraction has 12397 states and 17179 transitions. [2022-11-26 00:39:41,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-26 00:39:41,539 INFO L276 IsEmpty]: Start isEmpty. Operand 12397 states and 17179 transitions. [2022-11-26 00:39:41,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-11-26 00:39:41,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:39:41,550 INFO L195 NwaCegarLoop]: trace histogram [34, 24, 24, 24, 24, 24, 24, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 00:39:41,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:39:41,551 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:39:41,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:39:41,551 INFO L85 PathProgramCache]: Analyzing trace with hash -858965640, now seen corresponding path program 1 times [2022-11-26 00:39:41,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:39:41,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272082114] [2022-11-26 00:39:41,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:41,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:39:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3077 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 3030 trivial. 0 not checked. [2022-11-26 00:39:42,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:39:42,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272082114] [2022-11-26 00:39:42,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272082114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:39:42,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:39:42,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:39:42,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626206934] [2022-11-26 00:39:42,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:39:42,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:39:42,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:39:42,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:39:42,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:39:42,287 INFO L87 Difference]: Start difference. First operand 12397 states and 17179 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-26 00:39:47,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:39:50,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:39:57,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:39:57,700 INFO L93 Difference]: Finished difference Result 27065 states and 37488 transitions. [2022-11-26 00:39:57,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:39:57,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 480 [2022-11-26 00:39:57,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:39:57,770 INFO L225 Difference]: With dead ends: 27065 [2022-11-26 00:39:57,770 INFO L226 Difference]: Without dead ends: 14717 [2022-11-26 00:39:57,813 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 [2022-11-26 00:39:57,814 INFO L413 NwaCegarLoop]: 4563 mSDtfsCounter, 2221 mSDsluCounter, 11847 mSDsCounter, 0 mSdLazyCounter, 2791 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2221 SdHoareTripleChecker+Valid, 16410 SdHoareTripleChecker+Invalid, 2795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2791 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:39:57,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2221 Valid, 16410 Invalid, 2795 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2791 Invalid, 1 Unknown, 0 Unchecked, 14.5s Time] [2022-11-26 00:39:57,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14717 states. [2022-11-26 00:39:58,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14717 to 14707. [2022-11-26 00:39:58,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14707 states, 8904 states have (on average 1.262915543575921) internal successors, (11245), 9072 states have internal predecessors, (11245), 4559 states have call successors, (4559), 1240 states have call predecessors, (4559), 1242 states have return successors, (4562), 4505 states have call predecessors, (4562), 4559 states have call successors, (4562) [2022-11-26 00:39:58,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14707 states to 14707 states and 20366 transitions. [2022-11-26 00:39:58,847 INFO L78 Accepts]: Start accepts. Automaton has 14707 states and 20366 transitions. Word has length 480 [2022-11-26 00:39:58,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:39:58,848 INFO L495 AbstractCegarLoop]: Abstraction has 14707 states and 20366 transitions. [2022-11-26 00:39:58,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-26 00:39:58,849 INFO L276 IsEmpty]: Start isEmpty. Operand 14707 states and 20366 transitions. [2022-11-26 00:39:58,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-11-26 00:39:58,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:39:58,861 INFO L195 NwaCegarLoop]: trace histogram [34, 24, 24, 24, 24, 24, 24, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 00:39:58,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:39:58,861 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:39:58,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:39:58,862 INFO L85 PathProgramCache]: Analyzing trace with hash -636354255, now seen corresponding path program 1 times [2022-11-26 00:39:58,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:39:58,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680334052] [2022-11-26 00:39:58,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:39:58,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:39:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:39:59,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3077 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 3030 trivial. 0 not checked. [2022-11-26 00:39:59,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:39:59,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680334052] [2022-11-26 00:39:59,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680334052] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:39:59,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:39:59,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:39:59,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381113868] [2022-11-26 00:39:59,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:39:59,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:39:59,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:39:59,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:39:59,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:39:59,609 INFO L87 Difference]: Start difference. First operand 14707 states and 20366 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-26 00:40:05,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:07,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:09,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:10,608 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 [] [2022-11-26 00:40:18,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:40:18,043 INFO L93 Difference]: Finished difference Result 31653 states and 43814 transitions. [2022-11-26 00:40:18,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:40:18,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 481 [2022-11-26 00:40:18,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:40:18,120 INFO L225 Difference]: With dead ends: 31653 [2022-11-26 00:40:18,120 INFO L226 Difference]: Without dead ends: 16995 [2022-11-26 00:40:18,165 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 [2022-11-26 00:40:18,166 INFO L413 NwaCegarLoop]: 4653 mSDtfsCounter, 2226 mSDsluCounter, 12026 mSDsCounter, 0 mSdLazyCounter, 2848 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2226 SdHoareTripleChecker+Valid, 16679 SdHoareTripleChecker+Invalid, 2857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2848 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:40:18,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2226 Valid, 16679 Invalid, 2857 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2848 Invalid, 1 Unknown, 0 Unchecked, 17.6s Time] [2022-11-26 00:40:18,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16995 states. [2022-11-26 00:40:18,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16995 to 16985. [2022-11-26 00:40:18,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16985 states, 10298 states have (on average 1.2637405321421635) internal successors, (13014), 10487 states have internal predecessors, (13014), 5238 states have call successors, (5238), 1443 states have call predecessors, (5238), 1447 states have return successors, (5243), 5179 states have call predecessors, (5243), 5238 states have call successors, (5243) [2022-11-26 00:40:19,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16985 states to 16985 states and 23495 transitions. [2022-11-26 00:40:19,051 INFO L78 Accepts]: Start accepts. Automaton has 16985 states and 23495 transitions. Word has length 481 [2022-11-26 00:40:19,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:40:19,052 INFO L495 AbstractCegarLoop]: Abstraction has 16985 states and 23495 transitions. [2022-11-26 00:40:19,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-26 00:40:19,053 INFO L276 IsEmpty]: Start isEmpty. Operand 16985 states and 23495 transitions. [2022-11-26 00:40:19,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-11-26 00:40:19,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:40:19,065 INFO L195 NwaCegarLoop]: trace histogram [34, 24, 24, 24, 24, 24, 24, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 00:40:19,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:40:19,065 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:40:19,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:40:19,066 INFO L85 PathProgramCache]: Analyzing trace with hash 869861978, now seen corresponding path program 1 times [2022-11-26 00:40:19,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:40:19,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568135762] [2022-11-26 00:40:19,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:40:19,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:40:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:40:19,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3077 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 3030 trivial. 0 not checked. [2022-11-26 00:40:19,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:40:19,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568135762] [2022-11-26 00:40:19,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568135762] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:40:19,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:40:19,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:40:19,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635380004] [2022-11-26 00:40:19,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:40:19,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:40:19,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:40:19,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:40:19,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:40:19,793 INFO L87 Difference]: Start difference. First operand 16985 states and 23495 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-26 00:40:23,454 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 [] [2022-11-26 00:40:25,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:29,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:33,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:37,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:40:37,737 INFO L93 Difference]: Finished difference Result 36173 states and 50033 transitions. [2022-11-26 00:40:37,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:40:37,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 482 [2022-11-26 00:40:37,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:40:37,814 INFO L225 Difference]: With dead ends: 36173 [2022-11-26 00:40:37,814 INFO L226 Difference]: Without dead ends: 19237 [2022-11-26 00:40:37,862 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 [2022-11-26 00:40:37,865 INFO L413 NwaCegarLoop]: 4508 mSDtfsCounter, 2183 mSDsluCounter, 11720 mSDsCounter, 0 mSdLazyCounter, 2816 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2183 SdHoareTripleChecker+Valid, 16228 SdHoareTripleChecker+Invalid, 2827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2816 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:40:37,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2183 Valid, 16228 Invalid, 2827 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2816 Invalid, 1 Unknown, 0 Unchecked, 17.1s Time] [2022-11-26 00:40:37,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19237 states. [2022-11-26 00:40:38,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19237 to 19227. [2022-11-26 00:40:38,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19227 states, 11669 states have (on average 1.2642043019967435) internal successors, (14752), 11879 states have internal predecessors, (14752), 5911 states have call successors, (5911), 1639 states have call predecessors, (5911), 1645 states have return successors, (5918), 5847 states have call predecessors, (5918), 5911 states have call successors, (5918) [2022-11-26 00:40:38,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19227 states to 19227 states and 26581 transitions. [2022-11-26 00:40:38,841 INFO L78 Accepts]: Start accepts. Automaton has 19227 states and 26581 transitions. Word has length 482 [2022-11-26 00:40:38,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:40:38,842 INFO L495 AbstractCegarLoop]: Abstraction has 19227 states and 26581 transitions. [2022-11-26 00:40:38,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-26 00:40:38,842 INFO L276 IsEmpty]: Start isEmpty. Operand 19227 states and 26581 transitions. [2022-11-26 00:40:38,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2022-11-26 00:40:38,856 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:40:38,857 INFO L195 NwaCegarLoop]: trace histogram [34, 24, 24, 24, 24, 24, 24, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 00:40:38,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:40:38,857 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:40:38,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:40:38,858 INFO L85 PathProgramCache]: Analyzing trace with hash -360799398, now seen corresponding path program 1 times [2022-11-26 00:40:38,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:40:38,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096928124] [2022-11-26 00:40:38,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:40:38,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:40:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:40:39,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3077 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 3030 trivial. 0 not checked. [2022-11-26 00:40:39,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:40:39,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096928124] [2022-11-26 00:40:39,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096928124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:40:39,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:40:39,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:40:39,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041414264] [2022-11-26 00:40:39,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:40:39,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:40:39,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:40:39,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:40:39,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:40:39,769 INFO L87 Difference]: Start difference. First operand 19227 states and 26581 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-26 00:40:42,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:44,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:46,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:49,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:52,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:58,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:40:58,207 INFO L93 Difference]: Finished difference Result 40787 states and 56394 transitions. [2022-11-26 00:40:58,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:40:58,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 483 [2022-11-26 00:40:58,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:40:58,314 INFO L225 Difference]: With dead ends: 40787 [2022-11-26 00:40:58,314 INFO L226 Difference]: Without dead ends: 21609 [2022-11-26 00:40:58,385 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 [2022-11-26 00:40:58,386 INFO L413 NwaCegarLoop]: 4439 mSDtfsCounter, 2190 mSDsluCounter, 11600 mSDsCounter, 0 mSdLazyCounter, 2745 mSolverCounterSat, 17 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2197 SdHoareTripleChecker+Valid, 16039 SdHoareTripleChecker+Invalid, 2766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2745 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:40:58,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2197 Valid, 16039 Invalid, 2766 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2745 Invalid, 4 Unknown, 0 Unchecked, 17.4s Time] [2022-11-26 00:40:58,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21609 states. [2022-11-26 00:40:59,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21609 to 21599. [2022-11-26 00:40:59,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21599 states, 13113 states have (on average 1.2634789903149546) internal successors, (16568), 13343 states have internal predecessors, (16568), 6627 states have call successors, (6627), 1849 states have call predecessors, (6627), 1857 states have return successors, (6647), 6559 states have call predecessors, (6647), 6627 states have call successors, (6647) [2022-11-26 00:40:59,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21599 states to 21599 states and 29842 transitions. [2022-11-26 00:40:59,482 INFO L78 Accepts]: Start accepts. Automaton has 21599 states and 29842 transitions. Word has length 483 [2022-11-26 00:40:59,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:40:59,483 INFO L495 AbstractCegarLoop]: Abstraction has 21599 states and 29842 transitions. [2022-11-26 00:40:59,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-26 00:40:59,483 INFO L276 IsEmpty]: Start isEmpty. Operand 21599 states and 29842 transitions. [2022-11-26 00:40:59,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-11-26 00:40:59,500 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:40:59,500 INFO L195 NwaCegarLoop]: trace histogram [34, 24, 24, 24, 24, 24, 24, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 00:40:59,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:40:59,501 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:40:59,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:40:59,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1447347443, now seen corresponding path program 1 times [2022-11-26 00:40:59,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:40:59,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550797395] [2022-11-26 00:40:59,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:40:59,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:40:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:41:00,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3077 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 3030 trivial. 0 not checked. [2022-11-26 00:41:00,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:41:00,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550797395] [2022-11-26 00:41:00,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550797395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:41:00,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:41:00,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:41:00,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69811623] [2022-11-26 00:41:00,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:41:00,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:41:00,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:41:00,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:41:00,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:41:00,385 INFO L87 Difference]: Start difference. First operand 21599 states and 29842 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-26 00:41:05,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:08,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:13,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:41:13,391 INFO L93 Difference]: Finished difference Result 45265 states and 62549 transitions. [2022-11-26 00:41:13,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:41:13,392 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 484 [2022-11-26 00:41:13,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:41:13,464 INFO L225 Difference]: With dead ends: 45265 [2022-11-26 00:41:13,464 INFO L226 Difference]: Without dead ends: 23715 [2022-11-26 00:41:13,529 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 [2022-11-26 00:41:13,530 INFO L413 NwaCegarLoop]: 4421 mSDtfsCounter, 2184 mSDsluCounter, 11553 mSDsCounter, 0 mSdLazyCounter, 2729 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2184 SdHoareTripleChecker+Valid, 15974 SdHoareTripleChecker+Invalid, 2748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 2729 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:41:13,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2184 Valid, 15974 Invalid, 2748 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 2729 Invalid, 1 Unknown, 0 Unchecked, 12.0s Time] [2022-11-26 00:41:13,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23715 states. [2022-11-26 00:41:14,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23715 to 23705. [2022-11-26 00:41:14,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23705 states, 14412 states have (on average 1.2640854843186233) internal successors, (18218), 14660 states have internal predecessors, (18218), 7248 states have call successors, (7248), 2035 states have call predecessors, (7248), 2043 states have return successors, (7268), 7174 states have call predecessors, (7268), 7248 states have call successors, (7268) [2022-11-26 00:41:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23705 states to 23705 states and 32734 transitions. [2022-11-26 00:41:14,819 INFO L78 Accepts]: Start accepts. Automaton has 23705 states and 32734 transitions. Word has length 484 [2022-11-26 00:41:14,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:41:14,820 INFO L495 AbstractCegarLoop]: Abstraction has 23705 states and 32734 transitions. [2022-11-26 00:41:14,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-26 00:41:14,820 INFO L276 IsEmpty]: Start isEmpty. Operand 23705 states and 32734 transitions. [2022-11-26 00:41:14,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2022-11-26 00:41:14,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:41:14,837 INFO L195 NwaCegarLoop]: trace histogram [33, 26, 26, 26, 26, 26, 26, 13, 13, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:41:14,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:41:14,837 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:41:14,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:41:14,838 INFO L85 PathProgramCache]: Analyzing trace with hash 375468780, now seen corresponding path program 1 times [2022-11-26 00:41:14,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:41:14,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866717664] [2022-11-26 00:41:14,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:41:14,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:41:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:41:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3303 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 3253 trivial. 0 not checked. [2022-11-26 00:41:19,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:41:19,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866717664] [2022-11-26 00:41:19,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866717664] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:41:19,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:41:19,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:41:19,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244364509] [2022-11-26 00:41:19,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:41:19,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:41:19,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:41:19,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:41:19,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:41:19,488 INFO L87 Difference]: Start difference. First operand 23705 states and 32734 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-26 00:41:22,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:24,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:25,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:28,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:30,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:32,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:36,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:41:36,268 INFO L93 Difference]: Finished difference Result 47389 states and 65474 transitions. [2022-11-26 00:41:36,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:41:36,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) Word has length 497 [2022-11-26 00:41:36,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:41:36,384 INFO L225 Difference]: With dead ends: 47389 [2022-11-26 00:41:36,384 INFO L226 Difference]: Without dead ends: 23733 [2022-11-26 00:41:36,450 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 [2022-11-26 00:41:36,450 INFO L413 NwaCegarLoop]: 2771 mSDtfsCounter, 0 mSDsluCounter, 8281 mSDsCounter, 0 mSdLazyCounter, 1768 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11052 SdHoareTripleChecker+Invalid, 1771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1768 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:41:36,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11052 Invalid, 1771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1768 Invalid, 3 Unknown, 0 Unchecked, 15.9s Time] [2022-11-26 00:41:36,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23733 states. [2022-11-26 00:41:37,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23733 to 23709. [2022-11-26 00:41:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23709 states, 14415 states have (on average 1.2640305237599723) internal successors, (18221), 14663 states have internal predecessors, (18221), 7248 states have call successors, (7248), 2035 states have call predecessors, (7248), 2044 states have return successors, (7273), 7175 states have call predecessors, (7273), 7248 states have call successors, (7273) [2022-11-26 00:41:37,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23709 states to 23709 states and 32742 transitions. [2022-11-26 00:41:37,473 INFO L78 Accepts]: Start accepts. Automaton has 23709 states and 32742 transitions. Word has length 497 [2022-11-26 00:41:37,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:41:37,474 INFO L495 AbstractCegarLoop]: Abstraction has 23709 states and 32742 transitions. [2022-11-26 00:41:37,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-26 00:41:37,475 INFO L276 IsEmpty]: Start isEmpty. Operand 23709 states and 32742 transitions. [2022-11-26 00:41:37,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2022-11-26 00:41:37,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:41:37,490 INFO L195 NwaCegarLoop]: trace histogram [33, 26, 26, 26, 26, 26, 25, 15, 15, 5, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:41:37,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:41:37,490 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:41:37,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:41:37,491 INFO L85 PathProgramCache]: Analyzing trace with hash -837119396, now seen corresponding path program 1 times [2022-11-26 00:41:37,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:41:37,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959033268] [2022-11-26 00:41:37,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:41:37,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:41:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:41:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3392 trivial. 0 not checked. [2022-11-26 00:41:44,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:41:44,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959033268] [2022-11-26 00:41:44,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959033268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:41:44,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:41:44,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:41:44,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574846402] [2022-11-26 00:41:44,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:41:44,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:41:44,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:41:44,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:41:44,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:41:44,129 INFO L87 Difference]: Start difference. First operand 23709 states and 32742 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (58), 3 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-26 00:41:51,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:53,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:55,080 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 [] [2022-11-26 00:42:03,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:42:03,340 INFO L93 Difference]: Finished difference Result 23735 states and 32806 transitions. [2022-11-26 00:42:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:42:03,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (58), 3 states have call predecessors, (58), 2 states have call successors, (58) Word has length 510 [2022-11-26 00:42:03,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:42:03,423 INFO L225 Difference]: With dead ends: 23735 [2022-11-26 00:42:03,423 INFO L226 Difference]: Without dead ends: 23733 [2022-11-26 00:42:03,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:42:03,434 INFO L413 NwaCegarLoop]: 2774 mSDtfsCounter, 3052 mSDsluCounter, 6808 mSDsCounter, 0 mSdLazyCounter, 3252 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3054 SdHoareTripleChecker+Valid, 9582 SdHoareTripleChecker+Invalid, 3252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:42:03,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3054 Valid, 9582 Invalid, 3252 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3252 Invalid, 0 Unknown, 0 Unchecked, 16.6s Time] [2022-11-26 00:42:03,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23733 states. [2022-11-26 00:42:05,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23733 to 23707. [2022-11-26 00:42:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23707 states, 14414 states have (on average 1.2631469404745386) internal successors, (18207), 14661 states have internal predecessors, (18207), 7248 states have call successors, (7248), 2035 states have call predecessors, (7248), 2044 states have return successors, (7273), 7175 states have call predecessors, (7273), 7248 states have call successors, (7273) [2022-11-26 00:42:05,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23707 states to 23707 states and 32728 transitions. [2022-11-26 00:42:05,716 INFO L78 Accepts]: Start accepts. Automaton has 23707 states and 32728 transitions. Word has length 510 [2022-11-26 00:42:05,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:42:05,716 INFO L495 AbstractCegarLoop]: Abstraction has 23707 states and 32728 transitions. [2022-11-26 00:42:05,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (58), 3 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-26 00:42:05,717 INFO L276 IsEmpty]: Start isEmpty. Operand 23707 states and 32728 transitions. [2022-11-26 00:42:05,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2022-11-26 00:42:05,729 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:42:05,729 INFO L195 NwaCegarLoop]: trace histogram [35, 24, 24, 24, 24, 24, 24, 12, 12, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:42:05,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 00:42:05,730 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:42:05,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:42:05,730 INFO L85 PathProgramCache]: Analyzing trace with hash -137392242, now seen corresponding path program 1 times [2022-11-26 00:42:05,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:42:05,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801736281] [2022-11-26 00:42:05,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:42:05,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:42:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:42:06,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 59 proven. 15 refuted. 0 times theorem prover too weak. 3180 trivial. 0 not checked. [2022-11-26 00:42:06,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:42:06,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801736281] [2022-11-26 00:42:06,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801736281] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:42:06,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824600390] [2022-11-26 00:42:06,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:42:06,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:42:06,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:42:06,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:42:06,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:42:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:42:08,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 5240 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:42:08,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:42:08,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 3122 trivial. 0 not checked. [2022-11-26 00:42:08,540 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:42:08,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824600390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:42:08,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:42:08,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-26 00:42:08,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927258314] [2022-11-26 00:42:08,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:42:08,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:42:08,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:42:08,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:42:08,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:42:08,544 INFO L87 Difference]: Start difference. First operand 23707 states and 32728 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-26 00:42:11,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:42:14,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:42:19,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:42:19,371 INFO L93 Difference]: Finished difference Result 51540 states and 70922 transitions. [2022-11-26 00:42:19,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:42:19,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 521 [2022-11-26 00:42:19,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:42:19,460 INFO L225 Difference]: With dead ends: 51540 [2022-11-26 00:42:19,460 INFO L226 Difference]: Without dead ends: 27882 [2022-11-26 00:42:19,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:42:19,521 INFO L413 NwaCegarLoop]: 3361 mSDtfsCounter, 2342 mSDsluCounter, 2612 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 28 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2342 SdHoareTripleChecker+Valid, 5973 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:42:19,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2342 Valid, 5973 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 936 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-11-26 00:42:19,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27882 states. [2022-11-26 00:42:22,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27882 to 27872. [2022-11-26 00:42:22,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27872 states, 16908 states have (on average 1.2601726993139342) internal successors, (21307), 17187 states have internal predecessors, (21307), 8453 states have call successors, (8453), 2501 states have call predecessors, (8453), 2510 states have return successors, (8476), 8369 states have call predecessors, (8476), 8453 states have call successors, (8476) [2022-11-26 00:42:22,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27872 states to 27872 states and 38236 transitions. [2022-11-26 00:42:22,167 INFO L78 Accepts]: Start accepts. Automaton has 27872 states and 38236 transitions. Word has length 521 [2022-11-26 00:42:22,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:42:22,168 INFO L495 AbstractCegarLoop]: Abstraction has 27872 states and 38236 transitions. [2022-11-26 00:42:22,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-26 00:42:22,168 INFO L276 IsEmpty]: Start isEmpty. Operand 27872 states and 38236 transitions. [2022-11-26 00:42:22,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2022-11-26 00:42:22,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:42:22,188 INFO L195 NwaCegarLoop]: trace histogram [35, 24, 24, 24, 24, 24, 24, 12, 12, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 00:42:22,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:42:22,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:42:22,394 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:42:22,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:42:22,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1165400351, now seen corresponding path program 1 times [2022-11-26 00:42:22,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:42:22,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330219658] [2022-11-26 00:42:22,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:42:22,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:42:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:42:23,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3232 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 3173 trivial. 0 not checked. [2022-11-26 00:42:23,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:42:23,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330219658] [2022-11-26 00:42:23,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330219658] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:42:23,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:42:23,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:42:23,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87459870] [2022-11-26 00:42:23,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:42:23,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:42:23,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:42:23,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:42:23,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:42:23,070 INFO L87 Difference]: Start difference. First operand 27872 states and 38236 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2022-11-26 00:42:28,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:42:35,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:42:35,174 INFO L93 Difference]: Finished difference Result 58009 states and 79595 transitions. [2022-11-26 00:42:35,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:42:35,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 530 [2022-11-26 00:42:35,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:42:35,287 INFO L225 Difference]: With dead ends: 58009 [2022-11-26 00:42:35,287 INFO L226 Difference]: Without dead ends: 30186 [2022-11-26 00:42:35,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:42:35,357 INFO L413 NwaCegarLoop]: 4659 mSDtfsCounter, 2277 mSDsluCounter, 2722 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2277 SdHoareTripleChecker+Valid, 7381 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:42:35,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2277 Valid, 7381 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2022-11-26 00:42:35,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30186 states. [2022-11-26 00:42:38,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30186 to 30182. [2022-11-26 00:42:38,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30182 states, 18310 states have (on average 1.2608410704533042) internal successors, (23086), 18613 states have internal predecessors, (23086), 9158 states have call successors, (9158), 2704 states have call predecessors, (9158), 2713 states have return successors, (9181), 9067 states have call predecessors, (9181), 9158 states have call successors, (9181) [2022-11-26 00:42:39,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30182 states to 30182 states and 41425 transitions. [2022-11-26 00:42:39,215 INFO L78 Accepts]: Start accepts. Automaton has 30182 states and 41425 transitions. Word has length 530 [2022-11-26 00:42:39,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:42:39,216 INFO L495 AbstractCegarLoop]: Abstraction has 30182 states and 41425 transitions. [2022-11-26 00:42:39,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2022-11-26 00:42:39,217 INFO L276 IsEmpty]: Start isEmpty. Operand 30182 states and 41425 transitions. [2022-11-26 00:42:39,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2022-11-26 00:42:39,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:42:39,242 INFO L195 NwaCegarLoop]: trace histogram [35, 24, 24, 24, 24, 24, 24, 13, 13, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 00:42:39,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 00:42:39,242 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:42:39,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:42:39,243 INFO L85 PathProgramCache]: Analyzing trace with hash -873484891, now seen corresponding path program 1 times [2022-11-26 00:42:39,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:42:39,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649929012] [2022-11-26 00:42:39,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:42:39,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:42:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:42:39,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3294 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 3232 trivial. 0 not checked. [2022-11-26 00:42:39,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:42:39,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649929012] [2022-11-26 00:42:39,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649929012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:42:39,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:42:39,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:42:39,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691295399] [2022-11-26 00:42:39,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:42:39,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:42:39,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:42:39,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:42:39,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:42:39,684 INFO L87 Difference]: Start difference. First operand 30182 states and 41425 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-11-26 00:42:41,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:42:45,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:42:52,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:42:52,958 INFO L93 Difference]: Finished difference Result 62180 states and 85378 transitions. [2022-11-26 00:42:52,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:42:52,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 545 [2022-11-26 00:42:52,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:42:53,053 INFO L225 Difference]: With dead ends: 62180 [2022-11-26 00:42:53,053 INFO L226 Difference]: Without dead ends: 32047 [2022-11-26 00:42:53,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:42:53,116 INFO L413 NwaCegarLoop]: 4594 mSDtfsCounter, 2157 mSDsluCounter, 2725 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2157 SdHoareTripleChecker+Valid, 7319 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:42:53,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2157 Valid, 7319 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1252 Invalid, 1 Unknown, 0 Unchecked, 9.4s Time] [2022-11-26 00:42:53,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32047 states. [2022-11-26 00:42:56,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32047 to 32043. [2022-11-26 00:42:56,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32043 states, 19448 states have (on average 1.2616207322089674) internal successors, (24536), 19769 states have internal predecessors, (24536), 9725 states have call successors, (9725), 2860 states have call predecessors, (9725), 2869 states have return successors, (9748), 9628 states have call predecessors, (9748), 9725 states have call successors, (9748) [2022-11-26 00:42:56,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32043 states to 32043 states and 44009 transitions. [2022-11-26 00:42:56,466 INFO L78 Accepts]: Start accepts. Automaton has 32043 states and 44009 transitions. Word has length 545 [2022-11-26 00:42:56,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:42:56,467 INFO L495 AbstractCegarLoop]: Abstraction has 32043 states and 44009 transitions. [2022-11-26 00:42:56,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-11-26 00:42:56,468 INFO L276 IsEmpty]: Start isEmpty. Operand 32043 states and 44009 transitions. [2022-11-26 00:42:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2022-11-26 00:42:56,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:42:56,494 INFO L195 NwaCegarLoop]: trace histogram [37, 24, 24, 24, 24, 24, 24, 12, 12, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:42:56,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-26 00:42:56,495 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:42:56,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:42:56,495 INFO L85 PathProgramCache]: Analyzing trace with hash -958919310, now seen corresponding path program 1 times [2022-11-26 00:42:56,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:42:56,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405958465] [2022-11-26 00:42:56,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:42:56,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:42:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:42:57,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3491 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 3412 trivial. 0 not checked. [2022-11-26 00:42:57,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:42:57,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405958465] [2022-11-26 00:42:57,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405958465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:42:57,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:42:57,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:42:57,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224938122] [2022-11-26 00:42:57,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:42:57,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:42:57,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:42:57,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:42:57,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:42:57,194 INFO L87 Difference]: Start difference. First operand 32043 states and 44009 transitions. Second operand has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) [2022-11-26 00:43:04,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:43:07,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:43:08,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:43:10,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:43:18,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:43:18,457 INFO L93 Difference]: Finished difference Result 66413 states and 91174 transitions. [2022-11-26 00:43:18,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:43:18,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) Word has length 551 [2022-11-26 00:43:18,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:43:18,567 INFO L225 Difference]: With dead ends: 66413 [2022-11-26 00:43:18,568 INFO L226 Difference]: Without dead ends: 34419 [2022-11-26 00:43:18,638 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 [2022-11-26 00:43:18,639 INFO L413 NwaCegarLoop]: 4604 mSDtfsCounter, 2218 mSDsluCounter, 11927 mSDsCounter, 0 mSdLazyCounter, 2799 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2218 SdHoareTripleChecker+Valid, 16531 SdHoareTripleChecker+Invalid, 2804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2799 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:43:18,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2218 Valid, 16531 Invalid, 2804 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2799 Invalid, 2 Unknown, 0 Unchecked, 17.5s Time] [2022-11-26 00:43:18,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34419 states. [2022-11-26 00:43:21,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34419 to 32558. [2022-11-26 00:43:21,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32558 states, 19754 states have (on average 1.2608079376328845) internal successors, (24906), 20078 states have internal predecessors, (24906), 9859 states have call successors, (9859), 2933 states have call predecessors, (9859), 2944 states have return successors, (9884), 9763 states have call predecessors, (9884), 9859 states have call successors, (9884) [2022-11-26 00:43:21,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32558 states to 32558 states and 44649 transitions. [2022-11-26 00:43:21,801 INFO L78 Accepts]: Start accepts. Automaton has 32558 states and 44649 transitions. Word has length 551 [2022-11-26 00:43:21,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:43:21,802 INFO L495 AbstractCegarLoop]: Abstraction has 32558 states and 44649 transitions. [2022-11-26 00:43:21,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) [2022-11-26 00:43:21,802 INFO L276 IsEmpty]: Start isEmpty. Operand 32558 states and 44649 transitions. [2022-11-26 00:43:21,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2022-11-26 00:43:21,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:43:21,819 INFO L195 NwaCegarLoop]: trace histogram [37, 24, 24, 24, 24, 24, 24, 12, 12, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:43:21,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 00:43:21,819 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:43:21,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:43:21,820 INFO L85 PathProgramCache]: Analyzing trace with hash -563363249, now seen corresponding path program 1 times [2022-11-26 00:43:21,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:43:21,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944915944] [2022-11-26 00:43:21,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:43:21,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:43:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:43:22,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3492 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 3413 trivial. 0 not checked. [2022-11-26 00:43:22,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:43:22,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944915944] [2022-11-26 00:43:22,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944915944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:43:22,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:43:22,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:43:22,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504207097] [2022-11-26 00:43:22,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:43:22,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:43:22,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:43:22,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:43:22,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:43:22,361 INFO L87 Difference]: Start difference. First operand 32558 states and 44649 transitions. Second operand has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) [2022-11-26 00:43:24,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:43:27,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:43:30,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:43:31,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:43:34,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:43:37,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:43:39,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:43:48,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:43:48,326 INFO L93 Difference]: Finished difference Result 67461 states and 92482 transitions. [2022-11-26 00:43:48,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:43:48,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) Word has length 552 [2022-11-26 00:43:48,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:43:48,438 INFO L225 Difference]: With dead ends: 67461 [2022-11-26 00:43:48,438 INFO L226 Difference]: Without dead ends: 34952 [2022-11-26 00:43:48,511 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 [2022-11-26 00:43:48,512 INFO L413 NwaCegarLoop]: 4648 mSDtfsCounter, 2223 mSDsluCounter, 12014 mSDsCounter, 0 mSdLazyCounter, 2847 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2223 SdHoareTripleChecker+Valid, 16662 SdHoareTripleChecker+Invalid, 2857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2847 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:43:48,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2223 Valid, 16662 Invalid, 2857 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2847 Invalid, 2 Unknown, 0 Unchecked, 22.2s Time] [2022-11-26 00:43:48,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34952 states. [2022-11-26 00:43:51,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34952 to 33081. [2022-11-26 00:43:51,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33081 states, 20064 states have (on average 1.2599681020733653) internal successors, (25280), 20391 states have internal predecessors, (25280), 9995 states have call successors, (9995), 3008 states have call predecessors, (9995), 3021 states have return successors, (10022), 9900 states have call predecessors, (10022), 9995 states have call successors, (10022) [2022-11-26 00:43:51,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33081 states to 33081 states and 45297 transitions. [2022-11-26 00:43:51,781 INFO L78 Accepts]: Start accepts. Automaton has 33081 states and 45297 transitions. Word has length 552 [2022-11-26 00:43:51,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:43:51,782 INFO L495 AbstractCegarLoop]: Abstraction has 33081 states and 45297 transitions. [2022-11-26 00:43:51,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) [2022-11-26 00:43:51,782 INFO L276 IsEmpty]: Start isEmpty. Operand 33081 states and 45297 transitions. [2022-11-26 00:43:51,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2022-11-26 00:43:51,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:43:51,803 INFO L195 NwaCegarLoop]: trace histogram [37, 24, 24, 24, 24, 24, 24, 12, 12, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:43:51,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-26 00:43:51,804 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:43:51,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:43:51,804 INFO L85 PathProgramCache]: Analyzing trace with hash 2009170644, now seen corresponding path program 1 times [2022-11-26 00:43:51,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:43:51,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914347694] [2022-11-26 00:43:51,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:43:51,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:43:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:43:52,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3493 backedges. 109 proven. 30 refuted. 0 times theorem prover too weak. 3354 trivial. 0 not checked. [2022-11-26 00:43:52,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:43:52,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914347694] [2022-11-26 00:43:52,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914347694] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:43:52,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603432260] [2022-11-26 00:43:52,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:43:52,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:43:52,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:43:52,572 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:43:52,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:43:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:43:54,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 5313 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:43:54,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:43:54,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3493 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 3340 trivial. 0 not checked. [2022-11-26 00:43:54,613 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:43:54,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603432260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:43:54,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:43:54,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-11-26 00:43:54,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054963885] [2022-11-26 00:43:54,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:43:54,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:43:54,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:43:54,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:43:54,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:43:54,618 INFO L87 Difference]: Start difference. First operand 33081 states and 45297 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 3 states have call successors, (58), 3 states have call predecessors, (58), 4 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) [2022-11-26 00:44:02,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:44:09,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:44:09,854 INFO L93 Difference]: Finished difference Result 68006 states and 93171 transitions. [2022-11-26 00:44:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:44:09,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 3 states have call successors, (58), 3 states have call predecessors, (58), 4 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) Word has length 553 [2022-11-26 00:44:09,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:44:09,952 INFO L225 Difference]: With dead ends: 68006 [2022-11-26 00:44:09,952 INFO L226 Difference]: Without dead ends: 34974 [2022-11-26 00:44:10,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 554 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:44:10,023 INFO L413 NwaCegarLoop]: 3605 mSDtfsCounter, 2981 mSDsluCounter, 9473 mSDsCounter, 0 mSdLazyCounter, 1961 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2981 SdHoareTripleChecker+Valid, 13078 SdHoareTripleChecker+Invalid, 1991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1961 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:44:10,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2981 Valid, 13078 Invalid, 1991 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1961 Invalid, 1 Unknown, 0 Unchecked, 11.0s Time] [2022-11-26 00:44:10,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34974 states. [2022-11-26 00:44:13,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34974 to 34964. [2022-11-26 00:44:13,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34964 states, 21224 states have (on average 1.2613079532604599) internal successors, (26770), 21569 states have internal predecessors, (26770), 10562 states have call successors, (10562), 3164 states have call predecessors, (10562), 3177 states have return successors, (10585), 10461 states have call predecessors, (10585), 10562 states have call successors, (10585) [2022-11-26 00:44:13,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34964 states to 34964 states and 47917 transitions. [2022-11-26 00:44:13,550 INFO L78 Accepts]: Start accepts. Automaton has 34964 states and 47917 transitions. Word has length 553 [2022-11-26 00:44:13,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:44:13,551 INFO L495 AbstractCegarLoop]: Abstraction has 34964 states and 47917 transitions. [2022-11-26 00:44:13,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 3 states have call successors, (58), 3 states have call predecessors, (58), 4 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) [2022-11-26 00:44:13,552 INFO L276 IsEmpty]: Start isEmpty. Operand 34964 states and 47917 transitions. [2022-11-26 00:44:13,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 577 [2022-11-26 00:44:13,597 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:44:13,597 INFO L195 NwaCegarLoop]: trace histogram [36, 24, 24, 24, 24, 24, 24, 14, 14, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:44:13,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:44:13,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb16a0-64cd-4db3-9e8d-101beb6561be/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:44:13,816 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:44:13,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:44:13,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1124850381, now seen corresponding path program 1 times [2022-11-26 00:44:13,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:44:13,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833217236] [2022-11-26 00:44:13,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:44:13,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:44:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:44:19,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3500 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3500 trivial. 0 not checked. [2022-11-26 00:44:19,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:44:19,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833217236] [2022-11-26 00:44:19,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833217236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:44:19,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:44:19,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:44:19,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963157541] [2022-11-26 00:44:19,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:44:19,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:44:19,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:44:19,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:44:19,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:44:19,228 INFO L87 Difference]: Start difference. First operand 34964 states and 47917 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (59), 3 states have call predecessors, (59), 2 states have call successors, (59) [2022-11-26 00:44:22,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:44:23,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:44:29,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:44:31,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:44:41,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:44:41,398 INFO L93 Difference]: Finished difference Result 34964 states and 47917 transitions. [2022-11-26 00:44:41,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:44:41,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (59), 3 states have call predecessors, (59), 2 states have call successors, (59) Word has length 576 [2022-11-26 00:44:41,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:44:41,400 INFO L225 Difference]: With dead ends: 34964 [2022-11-26 00:44:41,401 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:44:41,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:44:41,458 INFO L413 NwaCegarLoop]: 2766 mSDtfsCounter, 3056 mSDsluCounter, 6791 mSDsCounter, 0 mSdLazyCounter, 3246 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3061 SdHoareTripleChecker+Valid, 9557 SdHoareTripleChecker+Invalid, 3246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:44:41,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3061 Valid, 9557 Invalid, 3246 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3246 Invalid, 0 Unknown, 0 Unchecked, 16.5s Time] [2022-11-26 00:44:41,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:44:41,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:44:41,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:44:41,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:44:41,463 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 576 [2022-11-26 00:44:41,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:44:41,463 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:44:41,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (59), 3 states have call predecessors, (59), 2 states have call successors, (59) [2022-11-26 00:44:41,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:44:41,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:44:41,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-26 00:44:41,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-11-26 00:44:41,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-26 00:44:41,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.