./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.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_a1187112-1c68-40de-8571-508d3332118e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1187112-1c68-40de-8571-508d3332118e/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_a1187112-1c68-40de-8571-508d3332118e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1187112-1c68-40de-8571-508d3332118e/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1187112-1c68-40de-8571-508d3332118e/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_a1187112-1c68-40de-8571-508d3332118e/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 c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:55:04,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:55:04,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:55:04,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:55:04,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:55:04,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:55:04,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:55:04,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:55:04,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:55:04,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:55:04,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:55:04,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:55:04,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:55:04,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:55:04,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:55:04,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:55:04,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:55:04,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:55:04,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:55:04,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:55:04,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:55:04,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:55:04,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:55:04,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:55:04,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:55:04,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:55:04,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:55:04,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:55:04,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:55:04,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:55:04,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:55:04,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:55:04,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:55:04,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:55:04,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:55:04,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:55:04,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:55:04,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:55:04,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:55:04,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:55:04,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:55:04,502 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1187112-1c68-40de-8571-508d3332118e/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:55:04,542 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:55:04,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:55:04,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:55:04,546 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:55:04,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:55:04,547 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:55:04,548 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:55:04,548 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:55:04,548 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:55:04,548 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:55:04,549 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:55:04,550 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:55:04,550 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:55:04,550 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:55:04,550 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:55:04,551 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:55:04,551 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:55:04,551 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:55:04,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:55:04,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:55:04,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:55:04,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:55:04,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:55:04,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:55:04,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:55:04,554 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:55:04,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:55:04,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:55:04,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:55:04,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:55:04,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:55:04,556 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:55:04,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:55:04,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:55:04,556 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:55:04,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:55:04,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:55:04,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:55:04,557 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_a1187112-1c68-40de-8571-508d3332118e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1187112-1c68-40de-8571-508d3332118e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 [2022-11-25 23:55:04,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:55:04,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:55:04,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:55:04,846 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:55:04,850 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:55:04,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1187112-1c68-40de-8571-508d3332118e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-11-25 23:55:07,899 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:55:08,557 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:55:08,557 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1187112-1c68-40de-8571-508d3332118e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-11-25 23:55:08,621 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1187112-1c68-40de-8571-508d3332118e/bin/utaipan-ByfvJB40ur/data/9e8a10cf0/c69d2274f164484bbed081915bfe8513/FLAGd0e50f3b9 [2022-11-25 23:55:08,640 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1187112-1c68-40de-8571-508d3332118e/bin/utaipan-ByfvJB40ur/data/9e8a10cf0/c69d2274f164484bbed081915bfe8513 [2022-11-25 23:55:08,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:55:08,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:55:08,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:55:08,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:55:08,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:55:08,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:55:08" (1/1) ... [2022-11-25 23:55:08,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7025dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:08, skipping insertion in model container [2022-11-25 23:55:08,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:55:08" (1/1) ... [2022-11-25 23:55:08,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:55:08,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:55:09,806 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:55:09,823 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-11-25 23:55:10,026 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:55:10,036 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 23:55:10,047 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:55:10,058 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:55:10,069 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 23:55:10,080 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:55:10,090 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:55:10,229 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-11-25 23:55:10,232 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-11-25 23:55:10,329 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:55:10,410 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 23:55:10,492 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 23:55:10,503 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:55:10,504 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:55:10,579 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:55:10,580 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:55:10,591 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:55:10,592 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:10,622 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 23:55:10,686 WARN L623 FunctionHandler]: Unknown extern function netif_skb_dev_features [2022-11-25 23:55:10,719 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_3106 [2022-11-25 23:55:10,720 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_3107 [2022-11-25 23:55:10,720 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_3108 [2022-11-25 23:55:10,720 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_3109 [2022-11-25 23:55:10,721 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_3110 [2022-11-25 23:55:10,722 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_3111 [2022-11-25 23:55:10,823 WARN L623 FunctionHandler]: Unknown extern function get_phys_to_machine [2022-11-25 23:55:10,918 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_162 [2022-11-25 23:55:10,980 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 23:55:10,980 WARN L623 FunctionHandler]: Unknown extern function skb_add_rx_frag [2022-11-25 23:55:10,984 WARN L623 FunctionHandler]: Unknown extern function gnttab_claim_grant_reference [2022-11-25 23:55:10,986 WARN L623 FunctionHandler]: Unknown extern function gnttab_grant_foreign_access_ref [2022-11-25 23:55:10,988 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-11-25 23:55:11,002 WARN L623 FunctionHandler]: Unknown extern function gnttab_query_foreign_access [2022-11-25 23:55:11,003 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:11,003 WARN L623 FunctionHandler]: Unknown extern function gnttab_end_foreign_access_ref [2022-11-25 23:55:11,004 WARN L623 FunctionHandler]: Unknown extern function gnttab_release_grant_reference [2022-11-25 23:55:11,016 WARN L623 FunctionHandler]: Unknown extern function gnttab_claim_grant_reference [2022-11-25 23:55:11,017 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:55:11,017 WARN L623 FunctionHandler]: Unknown extern function gnttab_grant_foreign_access_ref [2022-11-25 23:55:11,018 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:55:11,023 WARN L623 FunctionHandler]: Unknown extern function gnttab_claim_grant_reference [2022-11-25 23:55:11,025 WARN L623 FunctionHandler]: Unknown extern function gnttab_grant_foreign_access_ref [2022-11-25 23:55:11,042 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:11,042 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:11,044 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:11,044 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:11,048 WARN L623 FunctionHandler]: Unknown extern function gnttab_claim_grant_reference [2022-11-25 23:55:11,048 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:55:11,049 WARN L623 FunctionHandler]: Unknown extern function gnttab_grant_foreign_access_ref [2022-11-25 23:55:11,050 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:55:11,055 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-11-25 23:55:11,057 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:55:11,075 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:11,076 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:55:11,077 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:11,077 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:55:11,087 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:11,087 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:55:11,088 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:11,089 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:55:11,090 WARN L623 FunctionHandler]: Unknown extern function gnttab_end_foreign_access_ref [2022-11-25 23:55:11,090 WARN L623 FunctionHandler]: Unknown extern function gnttab_release_grant_reference [2022-11-25 23:55:11,091 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:11,092 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:55:11,093 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:11,094 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:55:11,101 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:11,101 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:11,102 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:11,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:11,112 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-25 23:55:11,113 WARN L623 FunctionHandler]: Unknown extern function skb_add_rx_frag [2022-11-25 23:55:11,114 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 23:55:11,121 WARN L623 FunctionHandler]: Unknown extern function skb_checksum_setup [2022-11-25 23:55:11,127 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-25 23:55:11,136 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 23:55:11,137 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 23:55:11,139 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-11-25 23:55:11,152 WARN L623 FunctionHandler]: Unknown extern function napi_gro_flush [2022-11-25 23:55:11,158 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:55:11,164 WARN L623 FunctionHandler]: Unknown extern function __napi_complete [2022-11-25 23:55:11,166 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:55:11,166 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-25 23:55:11,194 WARN L623 FunctionHandler]: Unknown extern function gnttab_end_foreign_access [2022-11-25 23:55:11,204 WARN L623 FunctionHandler]: Unknown extern function gnttab_end_foreign_access [2022-11-25 23:55:11,204 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 23:55:11,210 WARN L623 FunctionHandler]: Unknown extern function gnttab_free_grant_references [2022-11-25 23:55:11,210 WARN L623 FunctionHandler]: Unknown extern function gnttab_free_grant_references [2022-11-25 23:55:11,216 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-11-25 23:55:11,222 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-11-25 23:55:11,224 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-11-25 23:55:11,228 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-11-25 23:55:11,235 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:55:11,267 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:55:11,268 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:55:11,270 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:55:11,278 WARN L623 FunctionHandler]: Unknown extern function __alloc_percpu [2022-11-25 23:55:11,286 WARN L623 FunctionHandler]: Unknown extern function gnttab_alloc_grant_references [2022-11-25 23:55:11,288 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:11,290 WARN L623 FunctionHandler]: Unknown extern function gnttab_alloc_grant_references [2022-11-25 23:55:11,290 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:11,292 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 23:55:11,299 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:55:11,300 WARN L623 FunctionHandler]: Unknown extern function gnttab_free_grant_references [2022-11-25 23:55:11,300 WARN L623 FunctionHandler]: Unknown extern function free_percpu [2022-11-25 23:55:11,306 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-11-25 23:55:11,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:11,324 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:11,329 WARN L623 FunctionHandler]: Unknown extern function gnttab_end_foreign_access [2022-11-25 23:55:11,335 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:55:11,335 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-11-25 23:55:11,336 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-11-25 23:55:11,336 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-11-25 23:55:11,391 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:55:11,397 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-11-25 23:55:11,398 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-25 23:55:11,399 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:55:11,400 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:55:11,406 WARN L623 FunctionHandler]: Unknown extern function xenbus_alloc_evtchn [2022-11-25 23:55:11,407 WARN L623 FunctionHandler]: Unknown extern function bind_evtchn_to_irqhandler [2022-11-25 23:55:11,408 WARN L623 FunctionHandler]: Unknown extern function xenbus_free_evtchn [2022-11-25 23:55:11,413 WARN L623 FunctionHandler]: Unknown extern function xenbus_alloc_evtchn [2022-11-25 23:55:11,414 WARN L623 FunctionHandler]: Unknown extern function xenbus_alloc_evtchn [2022-11-25 23:55:11,416 WARN L623 FunctionHandler]: Unknown extern function bind_evtchn_to_irqhandler [2022-11-25 23:55:11,419 WARN L623 FunctionHandler]: Unknown extern function bind_evtchn_to_irqhandler [2022-11-25 23:55:11,420 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-11-25 23:55:11,420 WARN L623 FunctionHandler]: Unknown extern function xenbus_free_evtchn [2022-11-25 23:55:11,420 WARN L623 FunctionHandler]: Unknown extern function xenbus_free_evtchn [2022-11-25 23:55:11,427 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-11-25 23:55:11,428 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-11-25 23:55:11,428 WARN L623 FunctionHandler]: Unknown extern function get_zeroed_page [2022-11-25 23:55:11,430 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-11-25 23:55:11,431 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:55:11,431 WARN L623 FunctionHandler]: Unknown extern function xenbus_grant_ring [2022-11-25 23:55:11,431 WARN L623 FunctionHandler]: Unknown extern function get_zeroed_page [2022-11-25 23:55:11,432 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-11-25 23:55:11,433 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:55:11,433 WARN L623 FunctionHandler]: Unknown extern function xenbus_grant_ring [2022-11-25 23:55:11,434 WARN L623 FunctionHandler]: Unknown extern function gnttab_end_foreign_access_ref [2022-11-25 23:55:11,434 WARN L623 FunctionHandler]: Unknown extern function free_pages [2022-11-25 23:55:11,435 WARN L623 FunctionHandler]: Unknown extern function gnttab_end_foreign_access_ref [2022-11-25 23:55:11,436 WARN L623 FunctionHandler]: Unknown extern function free_pages [2022-11-25 23:55:11,442 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_start [2022-11-25 23:55:11,443 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-11-25 23:55:11,444 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:11,445 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:11,446 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:11,447 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:11,447 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:11,448 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:11,449 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:11,450 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:11,458 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:11,459 WARN L623 FunctionHandler]: Unknown extern function xenbus_write [2022-11-25 23:55:11,460 WARN L623 FunctionHandler]: Unknown extern function xenbus_write [2022-11-25 23:55:11,461 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_end [2022-11-25 23:55:11,461 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-11-25 23:55:11,462 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_end [2022-11-25 23:55:11,463 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-11-25 23:55:11,469 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-11-25 23:55:11,470 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:55:11,471 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 23:55:11,472 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-11-25 23:55:11,472 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 23:55:11,475 WARN L623 FunctionHandler]: Unknown extern function gnttab_grant_foreign_access_ref [2022-11-25 23:55:11,476 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:55:11,476 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-11-25 23:55:11,479 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-11-25 23:55:11,488 WARN L623 FunctionHandler]: Unknown extern function xenbus_strstate [2022-11-25 23:55:11,489 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:55:11,490 WARN L623 FunctionHandler]: Unknown extern function xenbus_switch_state [2022-11-25 23:55:11,491 WARN L623 FunctionHandler]: Unknown extern function netdev_notify_peers [2022-11-25 23:55:11,491 WARN L623 FunctionHandler]: Unknown extern function xenbus_frontend_closed [2022-11-25 23:55:11,514 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:55:11,520 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:55:11,521 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-25 23:55:11,527 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:55:11,533 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:55:11,534 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-25 23:55:11,540 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:55:11,544 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-11-25 23:55:11,544 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-25 23:55:11,546 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-25 23:55:11,555 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:55:11,560 WARN L623 FunctionHandler]: Unknown extern function free_percpu [2022-11-25 23:55:11,567 WARN L623 FunctionHandler]: Unknown extern function xen_has_pv_nic_devices [2022-11-25 23:55:11,576 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:11,959 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 23:55:11,960 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 23:55:11,960 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 23:55:11,968 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:55:11,971 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:55:11,971 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:55:11,972 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:55:11,973 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:55:11,974 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:55:11,974 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:55:11,978 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:55:11,979 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:55:11,980 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:55:11,980 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:55:11,981 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:55:11,982 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:55:11,985 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 23:55:11,998 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:55:11,998 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:55:12,002 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:55:12,003 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:55:12,004 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:55:12,004 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 23:55:12,004 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:55:12,005 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:55:12,006 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:55:12,006 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:55:12,007 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:55:12,008 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:55:12,009 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:55:12,010 WARN L623 FunctionHandler]: Unknown extern function xenbus_register_frontend [2022-11-25 23:55:12,018 WARN L623 FunctionHandler]: Unknown extern function xenbus_unregister_driver [2022-11-25 23:55:12,083 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:55:12,091 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,161 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,166 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,172 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,178 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,199 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,210 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,215 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,221 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,226 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,247 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,252 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,257 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,262 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,267 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,287 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,293 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,299 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,304 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,310 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,330 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,336 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,341 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,346 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,351 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,371 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,376 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,382 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,387 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,393 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,413 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,419 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,424 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,429 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,435 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,455 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,460 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,465 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,470 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,476 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,495 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,500 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,505 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,510 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,515 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,535 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,540 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,545 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,550 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,556 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,575 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,576 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,576 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,581 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,586 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,606 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,611 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,616 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,621 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,627 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,646 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,651 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,666 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,672 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,677 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,697 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,703 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,708 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,713 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,718 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,738 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,743 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,748 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,753 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,758 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,774 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,774 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,775 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,780 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,785 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,801 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,801 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,801 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,802 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,802 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,802 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,802 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,803 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,803 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,803 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,803 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,804 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,804 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,804 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,804 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,805 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,805 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:12,827 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1187112-1c68-40de-8571-508d3332118e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2022-11-25 23:55:12,831 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1187112-1c68-40de-8571-508d3332118e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2022-11-25 23:55:12,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:55:12,900 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:55:13,061 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:55:13,062 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-11-25 23:55:13,065 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:55:13,066 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 23:55:13,066 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:55:13,067 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:55:13,067 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 23:55:13,069 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:55:13,070 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:55:13,072 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-11-25 23:55:13,073 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-11-25 23:55:13,077 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:55:13,082 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 23:55:13,085 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 23:55:13,085 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:55:13,086 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:55:13,088 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:55:13,088 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:55:13,089 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:55:13,089 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:13,091 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 23:55:13,091 WARN L623 FunctionHandler]: Unknown extern function netif_skb_dev_features [2022-11-25 23:55:13,099 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_3106 [2022-11-25 23:55:13,099 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_3107 [2022-11-25 23:55:13,100 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_3108 [2022-11-25 23:55:13,100 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_3109 [2022-11-25 23:55:13,100 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_3110 [2022-11-25 23:55:13,100 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_3111 [2022-11-25 23:55:13,104 WARN L623 FunctionHandler]: Unknown extern function get_phys_to_machine [2022-11-25 23:55:13,105 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_162 [2022-11-25 23:55:13,111 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 23:55:13,111 WARN L623 FunctionHandler]: Unknown extern function skb_add_rx_frag [2022-11-25 23:55:13,117 WARN L623 FunctionHandler]: Unknown extern function gnttab_claim_grant_reference [2022-11-25 23:55:13,118 WARN L623 FunctionHandler]: Unknown extern function gnttab_grant_foreign_access_ref [2022-11-25 23:55:13,119 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-11-25 23:55:13,122 WARN L623 FunctionHandler]: Unknown extern function gnttab_query_foreign_access [2022-11-25 23:55:13,123 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:13,123 WARN L623 FunctionHandler]: Unknown extern function gnttab_end_foreign_access_ref [2022-11-25 23:55:13,123 WARN L623 FunctionHandler]: Unknown extern function gnttab_release_grant_reference [2022-11-25 23:55:13,127 WARN L623 FunctionHandler]: Unknown extern function gnttab_claim_grant_reference [2022-11-25 23:55:13,128 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:55:13,128 WARN L623 FunctionHandler]: Unknown extern function gnttab_grant_foreign_access_ref [2022-11-25 23:55:13,128 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:55:13,131 WARN L623 FunctionHandler]: Unknown extern function gnttab_claim_grant_reference [2022-11-25 23:55:13,132 WARN L623 FunctionHandler]: Unknown extern function gnttab_grant_foreign_access_ref [2022-11-25 23:55:13,137 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:13,137 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:13,138 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:13,138 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:13,140 WARN L623 FunctionHandler]: Unknown extern function gnttab_claim_grant_reference [2022-11-25 23:55:13,141 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:55:13,141 WARN L623 FunctionHandler]: Unknown extern function gnttab_grant_foreign_access_ref [2022-11-25 23:55:13,142 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:55:13,145 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-11-25 23:55:13,146 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:55:13,149 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:13,149 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:55:13,150 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:13,151 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:55:13,153 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:13,154 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:55:13,154 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:13,155 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:55:13,155 WARN L623 FunctionHandler]: Unknown extern function gnttab_end_foreign_access_ref [2022-11-25 23:55:13,156 WARN L623 FunctionHandler]: Unknown extern function gnttab_release_grant_reference [2022-11-25 23:55:13,156 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:13,156 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:55:13,157 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:13,158 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:55:13,159 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:13,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:13,160 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:55:13,160 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:13,163 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-25 23:55:13,163 WARN L623 FunctionHandler]: Unknown extern function skb_add_rx_frag [2022-11-25 23:55:13,164 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 23:55:13,165 WARN L623 FunctionHandler]: Unknown extern function skb_checksum_setup [2022-11-25 23:55:13,166 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-25 23:55:13,167 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 23:55:13,167 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 23:55:13,168 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-11-25 23:55:13,174 WARN L623 FunctionHandler]: Unknown extern function napi_gro_flush [2022-11-25 23:55:13,174 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:55:13,175 WARN L623 FunctionHandler]: Unknown extern function __napi_complete [2022-11-25 23:55:13,175 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:55:13,175 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-25 23:55:13,179 WARN L623 FunctionHandler]: Unknown extern function gnttab_end_foreign_access [2022-11-25 23:55:13,181 WARN L623 FunctionHandler]: Unknown extern function gnttab_end_foreign_access [2022-11-25 23:55:13,181 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 23:55:13,182 WARN L623 FunctionHandler]: Unknown extern function gnttab_free_grant_references [2022-11-25 23:55:13,182 WARN L623 FunctionHandler]: Unknown extern function gnttab_free_grant_references [2022-11-25 23:55:13,183 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-11-25 23:55:13,184 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-11-25 23:55:13,185 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-11-25 23:55:13,186 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-11-25 23:55:13,187 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:55:13,191 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:55:13,191 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:55:13,192 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:55:13,192 WARN L623 FunctionHandler]: Unknown extern function __alloc_percpu [2022-11-25 23:55:13,194 WARN L623 FunctionHandler]: Unknown extern function gnttab_alloc_grant_references [2022-11-25 23:55:13,194 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:13,195 WARN L623 FunctionHandler]: Unknown extern function gnttab_alloc_grant_references [2022-11-25 23:55:13,195 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:13,196 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 23:55:13,197 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:55:13,197 WARN L623 FunctionHandler]: Unknown extern function gnttab_free_grant_references [2022-11-25 23:55:13,198 WARN L623 FunctionHandler]: Unknown extern function free_percpu [2022-11-25 23:55:13,199 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-11-25 23:55:13,199 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:13,200 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:13,200 WARN L623 FunctionHandler]: Unknown extern function gnttab_end_foreign_access [2022-11-25 23:55:13,201 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:55:13,201 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-11-25 23:55:13,202 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-11-25 23:55:13,202 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-11-25 23:55:13,204 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:55:13,205 WARN L623 FunctionHandler]: Unknown extern function xenbus_read [2022-11-25 23:55:13,206 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-25 23:55:13,207 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:55:13,207 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:55:13,208 WARN L623 FunctionHandler]: Unknown extern function xenbus_alloc_evtchn [2022-11-25 23:55:13,208 WARN L623 FunctionHandler]: Unknown extern function bind_evtchn_to_irqhandler [2022-11-25 23:55:13,209 WARN L623 FunctionHandler]: Unknown extern function xenbus_free_evtchn [2022-11-25 23:55:13,209 WARN L623 FunctionHandler]: Unknown extern function xenbus_alloc_evtchn [2022-11-25 23:55:13,210 WARN L623 FunctionHandler]: Unknown extern function xenbus_alloc_evtchn [2022-11-25 23:55:13,210 WARN L623 FunctionHandler]: Unknown extern function bind_evtchn_to_irqhandler [2022-11-25 23:55:13,211 WARN L623 FunctionHandler]: Unknown extern function bind_evtchn_to_irqhandler [2022-11-25 23:55:13,212 WARN L623 FunctionHandler]: Unknown extern function unbind_from_irqhandler [2022-11-25 23:55:13,212 WARN L623 FunctionHandler]: Unknown extern function xenbus_free_evtchn [2022-11-25 23:55:13,213 WARN L623 FunctionHandler]: Unknown extern function xenbus_free_evtchn [2022-11-25 23:55:13,214 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-11-25 23:55:13,215 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-11-25 23:55:13,215 WARN L623 FunctionHandler]: Unknown extern function get_zeroed_page [2022-11-25 23:55:13,216 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-11-25 23:55:13,216 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:55:13,217 WARN L623 FunctionHandler]: Unknown extern function xenbus_grant_ring [2022-11-25 23:55:13,217 WARN L623 FunctionHandler]: Unknown extern function get_zeroed_page [2022-11-25 23:55:13,217 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-11-25 23:55:13,218 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:55:13,218 WARN L623 FunctionHandler]: Unknown extern function xenbus_grant_ring [2022-11-25 23:55:13,219 WARN L623 FunctionHandler]: Unknown extern function gnttab_end_foreign_access_ref [2022-11-25 23:55:13,219 WARN L623 FunctionHandler]: Unknown extern function free_pages [2022-11-25 23:55:13,220 WARN L623 FunctionHandler]: Unknown extern function gnttab_end_foreign_access_ref [2022-11-25 23:55:13,220 WARN L623 FunctionHandler]: Unknown extern function free_pages [2022-11-25 23:55:13,221 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_start [2022-11-25 23:55:13,221 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-11-25 23:55:13,222 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:13,222 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:13,223 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:13,224 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:13,224 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:13,225 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:13,226 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:13,227 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:13,227 WARN L623 FunctionHandler]: Unknown extern function xenbus_printf [2022-11-25 23:55:13,228 WARN L623 FunctionHandler]: Unknown extern function xenbus_write [2022-11-25 23:55:13,229 WARN L623 FunctionHandler]: Unknown extern function xenbus_write [2022-11-25 23:55:13,229 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_end [2022-11-25 23:55:13,230 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-11-25 23:55:13,230 WARN L623 FunctionHandler]: Unknown extern function xenbus_transaction_end [2022-11-25 23:55:13,230 WARN L623 FunctionHandler]: Unknown extern function xenbus_dev_fatal [2022-11-25 23:55:13,231 WARN L623 FunctionHandler]: Unknown extern function xenbus_scanf [2022-11-25 23:55:13,232 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:55:13,233 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 23:55:13,233 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-11-25 23:55:13,233 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 23:55:13,271 WARN L623 FunctionHandler]: Unknown extern function gnttab_grant_foreign_access_ref [2022-11-25 23:55:13,272 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:55:13,272 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-11-25 23:55:13,272 WARN L623 FunctionHandler]: Unknown extern function notify_remote_via_irq [2022-11-25 23:55:13,274 WARN L623 FunctionHandler]: Unknown extern function xenbus_strstate [2022-11-25 23:55:13,274 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:55:13,276 WARN L623 FunctionHandler]: Unknown extern function xenbus_switch_state [2022-11-25 23:55:13,276 WARN L623 FunctionHandler]: Unknown extern function netdev_notify_peers [2022-11-25 23:55:13,276 WARN L623 FunctionHandler]: Unknown extern function xenbus_frontend_closed [2022-11-25 23:55:13,279 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:55:13,281 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:55:13,281 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-25 23:55:13,295 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:55:13,297 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:55:13,298 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-25 23:55:13,300 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:55:13,302 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-11-25 23:55:13,303 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-25 23:55:13,304 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-25 23:55:13,306 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:55:13,310 WARN L623 FunctionHandler]: Unknown extern function free_percpu [2022-11-25 23:55:13,311 WARN L623 FunctionHandler]: Unknown extern function xen_has_pv_nic_devices [2022-11-25 23:55:13,311 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:55:13,329 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 23:55:13,329 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 23:55:13,330 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 23:55:13,332 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:55:13,335 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:55:13,335 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:55:13,336 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:55:13,337 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:55:13,338 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:55:13,338 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:55:13,342 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:55:13,342 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:55:13,343 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:55:13,344 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:55:13,345 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:55:13,345 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:55:13,349 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 23:55:13,361 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:55:13,362 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:55:13,371 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:55:13,371 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:55:13,372 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:55:13,373 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 23:55:13,373 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:55:13,374 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:55:13,374 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:55:13,375 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:55:13,376 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:55:13,378 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:55:13,378 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:55:13,379 WARN L623 FunctionHandler]: Unknown extern function xenbus_register_frontend [2022-11-25 23:55:13,379 WARN L623 FunctionHandler]: Unknown extern function xenbus_unregister_driver [2022-11-25 23:55:13,383 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:55:13,384 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,390 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,392 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,393 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,393 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,394 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,395 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,395 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,396 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,396 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,397 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,398 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,398 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,399 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,400 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,401 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,402 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,402 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,403 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,404 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,405 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,406 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,406 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,407 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,408 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,409 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,409 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,410 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,410 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,411 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,412 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,413 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,413 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,413 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,414 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,415 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,416 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,416 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,417 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,417 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,418 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,419 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,419 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,420 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,420 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,421 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,422 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,423 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,423 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,424 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,425 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,426 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,426 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,426 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,427 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,428 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,429 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,429 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,430 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,431 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,432 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,433 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,433 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,433 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,434 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,435 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,436 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,436 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,437 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,437 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,438 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,439 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,439 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,440 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,441 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,442 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,442 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,443 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,443 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,444 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,445 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,446 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,447 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,447 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,447 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,448 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,449 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,449 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,450 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,450 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,450 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,451 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,451 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,451 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,452 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,452 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,452 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:55:13,454 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_a1187112-1c68-40de-8571-508d3332118e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2022-11-25 23:55:13,455 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_a1187112-1c68-40de-8571-508d3332118e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2022-11-25 23:55:13,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:55:13,756 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:55:13,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:13 WrapperNode [2022-11-25 23:55:13,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:55:13,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:55:13,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:55:13,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:55:13,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:13" (1/1) ... [2022-11-25 23:55:13,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:13" (1/1) ... [2022-11-25 23:55:14,075 INFO L138 Inliner]: procedures = 562, calls = 2372, calls flagged for inlining = 265, calls inlined = 187, statements flattened = 4531 [2022-11-25 23:55:14,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:55:14,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:55:14,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:55:14,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:55:14,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:13" (1/1) ... [2022-11-25 23:55:14,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:13" (1/1) ... [2022-11-25 23:55:14,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:13" (1/1) ... [2022-11-25 23:55:14,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:13" (1/1) ... [2022-11-25 23:55:14,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:13" (1/1) ... [2022-11-25 23:55:14,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:13" (1/1) ... [2022-11-25 23:55:14,326 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:13" (1/1) ... [2022-11-25 23:55:14,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:13" (1/1) ... [2022-11-25 23:55:14,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:55:14,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:55:14,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:55:14,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:55:14,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:13" (1/1) ... [2022-11-25 23:55:14,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:55:14,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1187112-1c68-40de-8571-508d3332118e/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:55:14,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1187112-1c68-40de-8571-508d3332118e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:55:14,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1187112-1c68-40de-8571-508d3332118e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:55:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2022-11-25 23:55:14,453 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2022-11-25 23:55:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 23:55:14,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 23:55:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-25 23:55:14,457 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-25 23:55:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-25 23:55:14,458 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-25 23:55:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:55:14,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:55:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2022-11-25 23:55:14,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2022-11-25 23:55:14,459 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2022-11-25 23:55:14,459 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2022-11-25 23:55:14,459 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-25 23:55:14,459 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-25 23:55:14,459 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2022-11-25 23:55:14,459 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2022-11-25 23:55:14,459 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 23:55:14,460 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 23:55:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2022-11-25 23:55:14,460 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2022-11-25 23:55:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-11-25 23:55:14,461 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-11-25 23:55:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2022-11-25 23:55:14,461 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2022-11-25 23:55:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2022-11-25 23:55:14,461 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2022-11-25 23:55:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2022-11-25 23:55:14,462 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2022-11-25 23:55:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 23:55:14,462 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 23:55:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2022-11-25 23:55:14,462 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2022-11-25 23:55:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2022-11-25 23:55:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2022-11-25 23:55:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 23:55:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 23:55:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-25 23:55:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-25 23:55:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 23:55:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 23:55:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2022-11-25 23:55:14,464 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2022-11-25 23:55:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:55:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-25 23:55:14,464 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-25 23:55:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2022-11-25 23:55:14,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2022-11-25 23:55:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2022-11-25 23:55:14,465 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2022-11-25 23:55:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 23:55:14,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 23:55:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2022-11-25 23:55:14,465 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2022-11-25 23:55:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-25 23:55:14,465 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-25 23:55:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-25 23:55:14,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-25 23:55:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 23:55:14,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 23:55:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 23:55:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 23:55:14,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 23:55:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:55:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 23:55:14,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 23:55:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-25 23:55:14,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-25 23:55:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2022-11-25 23:55:14,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2022-11-25 23:55:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 23:55:14,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 23:55:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 23:55:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 23:55:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2022-11-25 23:55:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2022-11-25 23:55:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2022-11-25 23:55:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2022-11-25 23:55:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-25 23:55:14,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-25 23:55:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:55:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 23:55:14,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 23:55:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:55:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 23:55:14,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 23:55:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:55:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-25 23:55:14,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-25 23:55:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-25 23:55:14,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-25 23:55:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2022-11-25 23:55:14,470 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2022-11-25 23:55:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-25 23:55:14,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-25 23:55:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 23:55:14,471 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 23:55:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 23:55:14,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 23:55:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 23:55:14,471 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 23:55:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2022-11-25 23:55:14,472 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2022-11-25 23:55:14,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:55:14,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:55:14,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_netif_exit_20_2 [2022-11-25 23:55:14,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_netif_exit_20_2 [2022-11-25 23:55:14,472 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-25 23:55:14,472 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-25 23:55:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 23:55:14,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 23:55:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2022-11-25 23:55:14,473 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2022-11-25 23:55:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-25 23:55:14,473 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-25 23:55:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2022-11-25 23:55:14,474 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2022-11-25 23:55:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-25 23:55:14,474 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-25 23:55:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-25 23:55:14,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-25 23:55:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-11-25 23:55:14,475 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-11-25 23:55:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:55:14,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:55:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 23:55:14,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 23:55:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-25 23:55:14,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-25 23:55:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2022-11-25 23:55:14,476 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2022-11-25 23:55:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-25 23:55:14,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-25 23:55:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:55:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2022-11-25 23:55:14,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2022-11-25 23:55:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2022-11-25 23:55:14,476 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2022-11-25 23:55:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2022-11-25 23:55:14,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2022-11-25 23:55:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:55:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-25 23:55:14,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-25 23:55:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2022-11-25 23:55:14,477 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2022-11-25 23:55:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2022-11-25 23:55:14,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2022-11-25 23:55:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:55:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-25 23:55:14,478 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-25 23:55:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2022-11-25 23:55:14,478 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2022-11-25 23:55:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2022-11-25 23:55:14,479 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2022-11-25 23:55:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 23:55:14,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 23:55:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 23:55:14,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 23:55:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-25 23:55:14,479 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-25 23:55:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2022-11-25 23:55:14,480 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2022-11-25 23:55:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-25 23:55:14,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-25 23:55:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2022-11-25 23:55:14,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2022-11-25 23:55:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-11-25 23:55:14,480 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-11-25 23:55:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-11-25 23:55:14,481 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-11-25 23:55:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-11-25 23:55:14,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-11-25 23:55:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-25 23:55:14,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-25 23:55:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 23:55:14,482 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 23:55:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-25 23:55:14,482 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-25 23:55:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2022-11-25 23:55:14,482 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2022-11-25 23:55:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 23:55:14,483 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 23:55:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:55:14,483 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:55:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2022-11-25 23:55:14,483 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2022-11-25 23:55:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:55:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:55:14,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:55:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-25 23:55:14,484 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-25 23:55:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2022-11-25 23:55:14,484 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2022-11-25 23:55:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2022-11-25 23:55:14,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2022-11-25 23:55:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-25 23:55:14,485 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-25 23:55:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-25 23:55:14,485 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-25 23:55:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2022-11-25 23:55:14,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2022-11-25 23:55:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2022-11-25 23:55:14,485 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2022-11-25 23:55:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-25 23:55:14,486 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-25 23:55:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-25 23:55:14,486 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-25 23:55:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 23:55:14,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 23:55:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2022-11-25 23:55:14,486 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2022-11-25 23:55:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2022-11-25 23:55:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2022-11-25 23:55:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:55:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 23:55:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 23:55:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-25 23:55:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-25 23:55:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-25 23:55:14,488 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-25 23:55:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2022-11-25 23:55:14,488 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2022-11-25 23:55:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2022-11-25 23:55:14,488 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2022-11-25 23:55:15,485 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:55:15,489 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:55:15,850 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 23:55:21,236 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 23:55:21,432 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:55:22,384 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:55:22,385 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 23:55:22,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:55:22 BoogieIcfgContainer [2022-11-25 23:55:22,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:55:22,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:55:22,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:55:22,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:55:22,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:55:08" (1/3) ... [2022-11-25 23:55:22,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580d5004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:55:22, skipping insertion in model container [2022-11-25 23:55:22,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:13" (2/3) ... [2022-11-25 23:55:22,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580d5004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:55:22, skipping insertion in model container [2022-11-25 23:55:22,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:55:22" (3/3) ... [2022-11-25 23:55:22,399 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-11-25 23:55:22,420 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:55:22,420 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:55:22,524 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:55:22,534 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;@267b546f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:55:22,534 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:55:22,546 INFO L276 IsEmpty]: Start isEmpty. Operand has 1253 states, 716 states have (on average 1.2779329608938548) internal successors, (915), 735 states have internal predecessors, (915), 431 states have call successors, (431), 106 states have call predecessors, (431), 105 states have return successors, (426), 425 states have call predecessors, (426), 426 states have call successors, (426) [2022-11-25 23:55:22,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2022-11-25 23:55:22,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:22,613 INFO L195 NwaCegarLoop]: trace histogram [30, 29, 29, 29, 29, 29, 29, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:55:22,613 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:55:22,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:22,619 INFO L85 PathProgramCache]: Analyzing trace with hash 2048902024, now seen corresponding path program 1 times [2022-11-25 23:55:22,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:22,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344402148] [2022-11-25 23:55:22,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:22,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:23,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3317 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3317 trivial. 0 not checked. [2022-11-25 23:55:23,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:23,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344402148] [2022-11-25 23:55:23,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344402148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:23,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:23,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:55:23,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584137238] [2022-11-25 23:55:23,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:23,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:55:23,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:23,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:55:23,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:23,880 INFO L87 Difference]: Start difference. First operand has 1253 states, 716 states have (on average 1.2779329608938548) internal successors, (915), 735 states have internal predecessors, (915), 431 states have call successors, (431), 106 states have call predecessors, (431), 105 states have return successors, (426), 425 states have call predecessors, (426), 426 states have call successors, (426) Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-11-25 23:55:27,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:27,373 INFO L93 Difference]: Finished difference Result 3603 states and 5105 transitions. [2022-11-25 23:55:27,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:55:27,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 395 [2022-11-25 23:55:27,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:27,404 INFO L225 Difference]: With dead ends: 3603 [2022-11-25 23:55:27,404 INFO L226 Difference]: Without dead ends: 2339 [2022-11-25 23:55:27,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:27,418 INFO L413 NwaCegarLoop]: 1897 mSDtfsCounter, 1615 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1615 SdHoareTripleChecker+Valid, 3384 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:27,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1615 Valid, 3384 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-25 23:55:27,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2339 states. [2022-11-25 23:55:27,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2339 to 2335. [2022-11-25 23:55:27,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2335 states, 1366 states have (on average 1.274524158125915) internal successors, (1741), 1404 states have internal predecessors, (1741), 762 states have call successors, (762), 206 states have call predecessors, (762), 206 states have return successors, (762), 758 states have call predecessors, (762), 762 states have call successors, (762) [2022-11-25 23:55:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2335 states and 3265 transitions. [2022-11-25 23:55:27,649 INFO L78 Accepts]: Start accepts. Automaton has 2335 states and 3265 transitions. Word has length 395 [2022-11-25 23:55:27,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:27,656 INFO L495 AbstractCegarLoop]: Abstraction has 2335 states and 3265 transitions. [2022-11-25 23:55:27,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-11-25 23:55:27,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 3265 transitions. [2022-11-25 23:55:27,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2022-11-25 23:55:27,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:27,678 INFO L195 NwaCegarLoop]: trace histogram [30, 29, 29, 29, 29, 29, 29, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:55:27,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:55:27,679 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:55:27,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:27,680 INFO L85 PathProgramCache]: Analyzing trace with hash 926108702, now seen corresponding path program 1 times [2022-11-25 23:55:27,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:27,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171027824] [2022-11-25 23:55:27,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:27,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:28,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3326 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3326 trivial. 0 not checked. [2022-11-25 23:55:28,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:28,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171027824] [2022-11-25 23:55:28,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171027824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:28,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:28,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:55:28,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089041558] [2022-11-25 23:55:28,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:28,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:55:28,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:28,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:55:28,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:28,443 INFO L87 Difference]: Start difference. First operand 2335 states and 3265 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-25 23:55:30,815 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 [] [2022-11-25 23:55:31,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:31,928 INFO L93 Difference]: Finished difference Result 6825 states and 9524 transitions. [2022-11-25 23:55:31,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:55:31,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 399 [2022-11-25 23:55:31,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:31,991 INFO L225 Difference]: With dead ends: 6825 [2022-11-25 23:55:31,991 INFO L226 Difference]: Without dead ends: 4549 [2022-11-25 23:55:32,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:32,006 INFO L413 NwaCegarLoop]: 1821 mSDtfsCounter, 1553 mSDsluCounter, 1423 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1553 SdHoareTripleChecker+Valid, 3244 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:32,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1553 Valid, 3244 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-25 23:55:32,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4549 states. [2022-11-25 23:55:32,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4549 to 4545. [2022-11-25 23:55:32,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4545 states, 2666 states have (on average 1.275318829707427) internal successors, (3400), 2744 states have internal predecessors, (3400), 1467 states have call successors, (1467), 411 states have call predecessors, (1467), 411 states have return successors, (1467), 1457 states have call predecessors, (1467), 1467 states have call successors, (1467) [2022-11-25 23:55:32,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4545 states to 4545 states and 6334 transitions. [2022-11-25 23:55:32,402 INFO L78 Accepts]: Start accepts. Automaton has 4545 states and 6334 transitions. Word has length 399 [2022-11-25 23:55:32,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:32,403 INFO L495 AbstractCegarLoop]: Abstraction has 4545 states and 6334 transitions. [2022-11-25 23:55:32,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-25 23:55:32,403 INFO L276 IsEmpty]: Start isEmpty. Operand 4545 states and 6334 transitions. [2022-11-25 23:55:32,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-11-25 23:55:32,428 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:32,428 INFO L195 NwaCegarLoop]: trace histogram [30, 29, 29, 29, 29, 29, 29, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:55:32,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:55:32,429 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:55:32,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:32,430 INFO L85 PathProgramCache]: Analyzing trace with hash -2137029920, now seen corresponding path program 1 times [2022-11-25 23:55:32,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:32,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858913396] [2022-11-25 23:55:32,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:32,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:32,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3326 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3326 trivial. 0 not checked. [2022-11-25 23:55:32,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:32,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858913396] [2022-11-25 23:55:32,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858913396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:32,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:32,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:55:32,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379090109] [2022-11-25 23:55:32,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:32,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:55:32,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:32,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:55:32,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:32,998 INFO L87 Difference]: Start difference. First operand 4545 states and 6334 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-25 23:55:34,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:55:37,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:37,018 INFO L93 Difference]: Finished difference Result 13391 states and 18635 transitions. [2022-11-25 23:55:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:55:37,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 400 [2022-11-25 23:55:37,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:37,077 INFO L225 Difference]: With dead ends: 13391 [2022-11-25 23:55:37,077 INFO L226 Difference]: Without dead ends: 8905 [2022-11-25 23:55:37,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:37,100 INFO L413 NwaCegarLoop]: 1968 mSDtfsCounter, 1552 mSDsluCounter, 1423 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 3391 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:37,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 3391 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-25 23:55:37,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8905 states. [2022-11-25 23:55:37,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8905 to 8901. [2022-11-25 23:55:37,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8901 states, 5232 states have (on average 1.2744648318042813) internal successors, (6668), 5390 states have internal predecessors, (6668), 2849 states have call successors, (2849), 819 states have call predecessors, (2849), 819 states have return successors, (2849), 2827 states have call predecessors, (2849), 2849 states have call successors, (2849) [2022-11-25 23:55:37,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8901 states to 8901 states and 12366 transitions. [2022-11-25 23:55:37,741 INFO L78 Accepts]: Start accepts. Automaton has 8901 states and 12366 transitions. Word has length 400 [2022-11-25 23:55:37,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:37,745 INFO L495 AbstractCegarLoop]: Abstraction has 8901 states and 12366 transitions. [2022-11-25 23:55:37,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-25 23:55:37,747 INFO L276 IsEmpty]: Start isEmpty. Operand 8901 states and 12366 transitions. [2022-11-25 23:55:37,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2022-11-25 23:55:37,778 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:37,779 INFO L195 NwaCegarLoop]: trace histogram [31, 29, 29, 29, 29, 29, 29, 5, 5, 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] [2022-11-25 23:55:37,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:55:37,779 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:55:37,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:37,781 INFO L85 PathProgramCache]: Analyzing trace with hash -598077060, now seen corresponding path program 1 times [2022-11-25 23:55:37,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:37,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753976803] [2022-11-25 23:55:37,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:37,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:38,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3401 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked. [2022-11-25 23:55:38,323 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:38,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753976803] [2022-11-25 23:55:38,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753976803] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:38,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:38,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:55:38,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602060042] [2022-11-25 23:55:38,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:38,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:55:38,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:38,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:55:38,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:38,326 INFO L87 Difference]: Start difference. First operand 8901 states and 12366 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-25 23:55:42,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:42,016 INFO L93 Difference]: Finished difference Result 18826 states and 26090 transitions. [2022-11-25 23:55:42,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:55:42,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 415 [2022-11-25 23:55:42,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:42,222 INFO L225 Difference]: With dead ends: 18826 [2022-11-25 23:55:42,223 INFO L226 Difference]: Without dead ends: 9984 [2022-11-25 23:55:42,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:42,261 INFO L413 NwaCegarLoop]: 1840 mSDtfsCounter, 1415 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1415 SdHoareTripleChecker+Valid, 3245 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:42,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1415 Valid, 3245 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-25 23:55:42,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9984 states. [2022-11-25 23:55:42,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9984 to 9982. [2022-11-25 23:55:42,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9982 states, 5869 states have (on average 1.2715965241097291) internal successors, (7463), 6045 states have internal predecessors, (7463), 3172 states have call successors, (3172), 940 states have call predecessors, (3172), 940 states have return successors, (3172), 3149 states have call predecessors, (3172), 3172 states have call successors, (3172) [2022-11-25 23:55:42,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9982 states to 9982 states and 13807 transitions. [2022-11-25 23:55:42,835 INFO L78 Accepts]: Start accepts. Automaton has 9982 states and 13807 transitions. Word has length 415 [2022-11-25 23:55:42,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:42,836 INFO L495 AbstractCegarLoop]: Abstraction has 9982 states and 13807 transitions. [2022-11-25 23:55:42,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-25 23:55:42,836 INFO L276 IsEmpty]: Start isEmpty. Operand 9982 states and 13807 transitions. [2022-11-25 23:55:42,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2022-11-25 23:55:42,873 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:42,873 INFO L195 NwaCegarLoop]: trace histogram [33, 29, 29, 29, 29, 29, 29, 7, 7, 3, 3, 3, 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] [2022-11-25 23:55:42,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:55:42,874 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:55:42,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:42,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1708739317, now seen corresponding path program 1 times [2022-11-25 23:55:42,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:42,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575084880] [2022-11-25 23:55:42,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:42,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:43,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3571 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3564 trivial. 0 not checked. [2022-11-25 23:55:43,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:43,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575084880] [2022-11-25 23:55:43,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575084880] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:43,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:43,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:55:43,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928287092] [2022-11-25 23:55:43,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:43,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:55:43,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:43,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:55:43,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:43,319 INFO L87 Difference]: Start difference. First operand 9982 states and 13807 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-11-25 23:55:47,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:47,481 INFO L93 Difference]: Finished difference Result 23284 states and 32212 transitions. [2022-11-25 23:55:47,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:55:47,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 448 [2022-11-25 23:55:47,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:47,581 INFO L225 Difference]: With dead ends: 23284 [2022-11-25 23:55:47,581 INFO L226 Difference]: Without dead ends: 14370 [2022-11-25 23:55:47,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:47,629 INFO L413 NwaCegarLoop]: 2586 mSDtfsCounter, 1552 mSDsluCounter, 1421 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 4007 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:47,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 4007 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-25 23:55:47,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14370 states. [2022-11-25 23:55:48,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14370 to 14366. [2022-11-25 23:55:48,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14366 states, 8447 states have (on average 1.2718124778027702) internal successors, (10743), 8703 states have internal predecessors, (10743), 4558 states have call successors, (4558), 1360 states have call predecessors, (4558), 1360 states have return successors, (4558), 4523 states have call predecessors, (4558), 4558 states have call successors, (4558) [2022-11-25 23:55:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14366 states to 14366 states and 19859 transitions. [2022-11-25 23:55:48,541 INFO L78 Accepts]: Start accepts. Automaton has 14366 states and 19859 transitions. Word has length 448 [2022-11-25 23:55:48,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:48,542 INFO L495 AbstractCegarLoop]: Abstraction has 14366 states and 19859 transitions. [2022-11-25 23:55:48,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-11-25 23:55:48,543 INFO L276 IsEmpty]: Start isEmpty. Operand 14366 states and 19859 transitions. [2022-11-25 23:55:48,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2022-11-25 23:55:48,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:48,582 INFO L195 NwaCegarLoop]: trace histogram [33, 29, 29, 29, 29, 29, 29, 6, 6, 3, 3, 3, 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] [2022-11-25 23:55:48,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:55:48,582 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:55:48,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:48,583 INFO L85 PathProgramCache]: Analyzing trace with hash 883224132, now seen corresponding path program 1 times [2022-11-25 23:55:48,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:48,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863556170] [2022-11-25 23:55:48,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:48,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:49,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3553 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3546 trivial. 0 not checked. [2022-11-25 23:55:49,055 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:49,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863556170] [2022-11-25 23:55:49,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863556170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:49,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:49,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:55:49,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841275366] [2022-11-25 23:55:49,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:49,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:55:49,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:49,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:55:49,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:49,059 INFO L87 Difference]: Start difference. First operand 14366 states and 19859 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-25 23:55:53,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:53,017 INFO L93 Difference]: Finished difference Result 34167 states and 47232 transitions. [2022-11-25 23:55:53,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:55:53,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 443 [2022-11-25 23:55:53,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:53,119 INFO L225 Difference]: With dead ends: 34167 [2022-11-25 23:55:53,119 INFO L226 Difference]: Without dead ends: 20869 [2022-11-25 23:55:53,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:53,166 INFO L413 NwaCegarLoop]: 2602 mSDtfsCounter, 1549 mSDsluCounter, 1421 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1549 SdHoareTripleChecker+Valid, 4023 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:53,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1549 Valid, 4023 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-25 23:55:53,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20869 states. [2022-11-25 23:55:54,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20869 to 20865. [2022-11-25 23:55:54,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20865 states, 12266 states have (on average 1.2715636719386922) internal successors, (15597), 12642 states have internal predecessors, (15597), 6611 states have call successors, (6611), 1987 states have call predecessors, (6611), 1987 states have return successors, (6611), 6558 states have call predecessors, (6611), 6611 states have call successors, (6611) [2022-11-25 23:55:54,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20865 states to 20865 states and 28819 transitions. [2022-11-25 23:55:54,278 INFO L78 Accepts]: Start accepts. Automaton has 20865 states and 28819 transitions. Word has length 443 [2022-11-25 23:55:54,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:54,279 INFO L495 AbstractCegarLoop]: Abstraction has 20865 states and 28819 transitions. [2022-11-25 23:55:54,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-25 23:55:54,280 INFO L276 IsEmpty]: Start isEmpty. Operand 20865 states and 28819 transitions. [2022-11-25 23:55:54,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2022-11-25 23:55:54,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:54,319 INFO L195 NwaCegarLoop]: trace histogram [33, 29, 29, 29, 29, 29, 29, 7, 7, 3, 3, 3, 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] [2022-11-25 23:55:54,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:55:54,319 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:55:54,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:54,320 INFO L85 PathProgramCache]: Analyzing trace with hash -196760215, now seen corresponding path program 1 times [2022-11-25 23:55:54,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:54,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021491180] [2022-11-25 23:55:54,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:54,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:54,716 INFO L134 CoverageAnalysis]: Checked inductivity of 3571 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3564 trivial. 0 not checked. [2022-11-25 23:55:54,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:54,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021491180] [2022-11-25 23:55:54,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021491180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:54,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:54,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:55:54,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102762424] [2022-11-25 23:55:54,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:54,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:55:54,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:54,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:55:54,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:54,720 INFO L87 Difference]: Start difference. First operand 20865 states and 28819 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-11-25 23:55:56,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:55:59,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:59,440 INFO L93 Difference]: Finished difference Result 50389 states and 69602 transitions. [2022-11-25 23:55:59,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:55:59,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 447 [2022-11-25 23:55:59,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:59,590 INFO L225 Difference]: With dead ends: 50389 [2022-11-25 23:55:59,590 INFO L226 Difference]: Without dead ends: 30592 [2022-11-25 23:55:59,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:59,663 INFO L413 NwaCegarLoop]: 2609 mSDtfsCounter, 1553 mSDsluCounter, 1421 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1553 SdHoareTripleChecker+Valid, 4030 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:59,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1553 Valid, 4030 Invalid, 773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-25 23:55:59,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30592 states. [2022-11-25 23:56:01,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30592 to 30588. [2022-11-25 23:56:01,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30588 states, 17983 states have (on average 1.2713674025468498) internal successors, (22863), 18539 states have internal predecessors, (22863), 9677 states have call successors, (9677), 2927 states have call predecessors, (9677), 2927 states have return successors, (9677), 9597 states have call predecessors, (9677), 9677 states have call successors, (9677) [2022-11-25 23:56:01,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30588 states to 30588 states and 42217 transitions. [2022-11-25 23:56:01,743 INFO L78 Accepts]: Start accepts. Automaton has 30588 states and 42217 transitions. Word has length 447 [2022-11-25 23:56:01,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:56:01,744 INFO L495 AbstractCegarLoop]: Abstraction has 30588 states and 42217 transitions. [2022-11-25 23:56:01,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-11-25 23:56:01,745 INFO L276 IsEmpty]: Start isEmpty. Operand 30588 states and 42217 transitions. [2022-11-25 23:56:01,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-11-25 23:56:01,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:56:01,782 INFO L195 NwaCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:56:01,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:56:01,783 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:56:01,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:56:01,784 INFO L85 PathProgramCache]: Analyzing trace with hash 688283857, now seen corresponding path program 1 times [2022-11-25 23:56:01,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:56:01,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044253620] [2022-11-25 23:56:01,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:56:01,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:56:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:56:02,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3585 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3585 trivial. 0 not checked. [2022-11-25 23:56:02,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:56:02,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044253620] [2022-11-25 23:56:02,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044253620] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:56:02,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:56:02,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:56:02,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501062140] [2022-11-25 23:56:02,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:56:02,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:56:02,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:56:02,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:56:02,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:56:02,386 INFO L87 Difference]: Start difference. First operand 30588 states and 42217 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2022-11-25 23:56:07,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:56:07,324 INFO L93 Difference]: Finished difference Result 73845 states and 101691 transitions. [2022-11-25 23:56:07,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:56:07,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) Word has length 470 [2022-11-25 23:56:07,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:56:07,587 INFO L225 Difference]: With dead ends: 73845 [2022-11-25 23:56:07,587 INFO L226 Difference]: Without dead ends: 43316 [2022-11-25 23:56:07,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:56:07,676 INFO L413 NwaCegarLoop]: 1648 mSDtfsCounter, 822 mSDsluCounter, 1414 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 822 SdHoareTripleChecker+Valid, 3062 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:56:07,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [822 Valid, 3062 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-25 23:56:07,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43316 states. [2022-11-25 23:56:09,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43316 to 43287. [2022-11-25 23:56:09,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43287 states, 25587 states have (on average 1.263454097784031) internal successors, (32328), 26307 states have internal predecessors, (32328), 13463 states have call successors, (13463), 4236 states have call predecessors, (13463), 4236 states have return successors, (13463), 13305 states have call predecessors, (13463), 13463 states have call successors, (13463) [2022-11-25 23:56:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43287 states to 43287 states and 59254 transitions. [2022-11-25 23:56:10,049 INFO L78 Accepts]: Start accepts. Automaton has 43287 states and 59254 transitions. Word has length 470 [2022-11-25 23:56:10,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:56:10,050 INFO L495 AbstractCegarLoop]: Abstraction has 43287 states and 59254 transitions. [2022-11-25 23:56:10,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2022-11-25 23:56:10,050 INFO L276 IsEmpty]: Start isEmpty. Operand 43287 states and 59254 transitions. [2022-11-25 23:56:10,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2022-11-25 23:56:10,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:56:10,114 INFO L195 NwaCegarLoop]: trace histogram [35, 29, 29, 29, 29, 29, 29, 6, 6, 4, 4, 4, 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] [2022-11-25 23:56:10,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 23:56:10,114 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:56:10,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:56:10,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1290309766, now seen corresponding path program 1 times [2022-11-25 23:56:10,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:56:10,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101427414] [2022-11-25 23:56:10,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:56:10,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:56:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:56:11,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3709 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3687 trivial. 0 not checked. [2022-11-25 23:56:11,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:56:11,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101427414] [2022-11-25 23:56:11,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101427414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:56:11,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:56:11,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:56:11,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959675703] [2022-11-25 23:56:11,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:56:11,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:56:11,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:56:11,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:56:11,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:56:11,244 INFO L87 Difference]: Start difference. First operand 43287 states and 59254 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-11-25 23:56:15,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:56:19,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:56:19,890 INFO L93 Difference]: Finished difference Result 100305 states and 137252 transitions. [2022-11-25 23:56:19,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:56:19,891 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), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 466 [2022-11-25 23:56:19,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:56:20,210 INFO L225 Difference]: With dead ends: 100305 [2022-11-25 23:56:20,211 INFO L226 Difference]: Without dead ends: 57387 [2022-11-25 23:56:20,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:56:20,345 INFO L413 NwaCegarLoop]: 2743 mSDtfsCounter, 1573 mSDsluCounter, 2003 mSDsCounter, 0 mSdLazyCounter, 1781 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1573 SdHoareTripleChecker+Valid, 4746 SdHoareTripleChecker+Invalid, 1799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:56:20,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1573 Valid, 4746 Invalid, 1799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1781 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-11-25 23:56:20,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57387 states. [2022-11-25 23:56:23,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57387 to 57381. [2022-11-25 23:56:23,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57381 states, 33921 states have (on average 1.262462781168008) internal successors, (42824), 34880 states have internal predecessors, (42824), 17793 states have call successors, (17793), 5666 states have call predecessors, (17793), 5666 states have return successors, (17793), 17581 states have call predecessors, (17793), 17793 states have call successors, (17793) [2022-11-25 23:56:23,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57381 states to 57381 states and 78410 transitions. [2022-11-25 23:56:23,365 INFO L78 Accepts]: Start accepts. Automaton has 57381 states and 78410 transitions. Word has length 466 [2022-11-25 23:56:23,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:56:23,369 INFO L495 AbstractCegarLoop]: Abstraction has 57381 states and 78410 transitions. [2022-11-25 23:56:23,370 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), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-11-25 23:56:23,370 INFO L276 IsEmpty]: Start isEmpty. Operand 57381 states and 78410 transitions. [2022-11-25 23:56:23,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-11-25 23:56:23,654 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:56:23,655 INFO L195 NwaCegarLoop]: trace histogram [35, 29, 29, 29, 29, 29, 29, 7, 7, 4, 4, 4, 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] [2022-11-25 23:56:23,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:56:23,655 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:56:23,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:56:23,661 INFO L85 PathProgramCache]: Analyzing trace with hash -823706830, now seen corresponding path program 1 times [2022-11-25 23:56:23,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:56:23,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087817713] [2022-11-25 23:56:23,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:56:23,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:56:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:56:24,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3728 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3705 trivial. 0 not checked. [2022-11-25 23:56:24,283 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:56:24,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087817713] [2022-11-25 23:56:24,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087817713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:56:24,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:56:24,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:56:24,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947250775] [2022-11-25 23:56:24,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:56:24,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:56:24,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:56:24,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:56:24,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:56:24,287 INFO L87 Difference]: Start difference. First operand 57381 states and 78410 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-11-25 23:56:34,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:56:34,082 INFO L93 Difference]: Finished difference Result 133185 states and 181944 transitions. [2022-11-25 23:56:34,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:56:34,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 471 [2022-11-25 23:56:34,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:56:34,510 INFO L225 Difference]: With dead ends: 133185 [2022-11-25 23:56:34,510 INFO L226 Difference]: Without dead ends: 76173 [2022-11-25 23:56:34,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:56:34,695 INFO L413 NwaCegarLoop]: 2751 mSDtfsCounter, 1577 mSDsluCounter, 2008 mSDsCounter, 0 mSdLazyCounter, 1781 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1577 SdHoareTripleChecker+Valid, 4759 SdHoareTripleChecker+Invalid, 1799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:56:34,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1577 Valid, 4759 Invalid, 1799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1781 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-11-25 23:56:34,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76173 states. [2022-11-25 23:56:38,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76173 to 76167. [2022-11-25 23:56:38,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76167 states, 45041 states have (on average 1.26165049621456) internal successors, (56826), 46318 states have internal predecessors, (56826), 23545 states have call successors, (23545), 7580 states have call predecessors, (23545), 7580 states have return successors, (23545), 23261 states have call predecessors, (23545), 23545 states have call successors, (23545) [2022-11-25 23:56:38,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76167 states to 76167 states and 103916 transitions. [2022-11-25 23:56:38,655 INFO L78 Accepts]: Start accepts. Automaton has 76167 states and 103916 transitions. Word has length 471 [2022-11-25 23:56:38,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:56:38,657 INFO L495 AbstractCegarLoop]: Abstraction has 76167 states and 103916 transitions. [2022-11-25 23:56:38,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-11-25 23:56:38,657 INFO L276 IsEmpty]: Start isEmpty. Operand 76167 states and 103916 transitions. [2022-11-25 23:56:38,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-11-25 23:56:38,735 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:56:38,736 INFO L195 NwaCegarLoop]: trace histogram [35, 29, 29, 29, 29, 29, 29, 7, 7, 4, 4, 4, 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] [2022-11-25 23:56:38,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 23:56:38,737 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:56:38,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:56:38,737 INFO L85 PathProgramCache]: Analyzing trace with hash 862596066, now seen corresponding path program 1 times [2022-11-25 23:56:38,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:56:38,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823536379] [2022-11-25 23:56:38,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:56:38,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:56:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:56:39,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3729 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3705 trivial. 0 not checked. [2022-11-25 23:56:39,479 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:56:39,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823536379] [2022-11-25 23:56:39,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823536379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:56:39,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:56:39,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:56:39,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116068723] [2022-11-25 23:56:39,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:56:39,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:56:39,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:56:39,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:56:39,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:56:39,483 INFO L87 Difference]: Start difference. First operand 76167 states and 103916 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-11-25 23:56:48,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:56:48,261 INFO L93 Difference]: Finished difference Result 176895 states and 241283 transitions. [2022-11-25 23:56:48,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:56:48,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 473 [2022-11-25 23:56:48,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:56:48,908 INFO L225 Difference]: With dead ends: 176895 [2022-11-25 23:56:48,909 INFO L226 Difference]: Without dead ends: 101097 [2022-11-25 23:56:49,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:56:49,107 INFO L413 NwaCegarLoop]: 2751 mSDtfsCounter, 1576 mSDsluCounter, 2008 mSDsCounter, 0 mSdLazyCounter, 1781 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1576 SdHoareTripleChecker+Valid, 4759 SdHoareTripleChecker+Invalid, 1799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:56:49,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1576 Valid, 4759 Invalid, 1799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1781 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-25 23:56:49,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101097 states.