./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1f8b1c7c83cbc8f75e845878e12835fe6569e3675eb400909d1669023ab04c0d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 12:23:33,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:23:33,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:23:33,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:23:33,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:23:33,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:23:33,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:23:33,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:23:33,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:23:33,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:23:33,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:23:33,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:23:33,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:23:33,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:23:33,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:23:33,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:23:33,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:23:33,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:23:33,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:23:33,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:23:33,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:23:33,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:23:33,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:23:33,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:23:33,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:23:33,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:23:33,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:23:33,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:23:33,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:23:33,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:23:33,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:23:33,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:23:33,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:23:33,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:23:33,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:23:33,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:23:33,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:23:33,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:23:33,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:23:33,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:23:33,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:23:33,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 12:23:33,468 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:23:33,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:23:33,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:23:33,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:23:33,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:23:33,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:23:33,470 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:23:33,470 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:23:33,470 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:23:33,471 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:23:33,471 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:23:33,471 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:23:33,471 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:23:33,471 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:23:33,471 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:23:33,472 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:23:33,472 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:23:33,472 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:23:33,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:23:33,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:23:33,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:23:33,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:23:33,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:23:33,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:23:33,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:23:33,474 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:23:33,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:23:33,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:23:33,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:23:33,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:23:33,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:23:33,475 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:23:33,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:23:33,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:23:33,476 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:23:33,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:23:33,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:23:33,476 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:23:33,477 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_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f8b1c7c83cbc8f75e845878e12835fe6569e3675eb400909d1669023ab04c0d [2022-12-14 12:23:33,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:23:33,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:23:33,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:23:33,679 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:23:33,680 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:23:33,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i [2022-12-14 12:23:36,281 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:23:36,656 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:23:36,656 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i [2022-12-14 12:23:36,691 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/data/a1d3c2501/95533f897aba420c8120cf48b32f1852/FLAGa12a6caff [2022-12-14 12:23:36,703 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/data/a1d3c2501/95533f897aba420c8120cf48b32f1852 [2022-12-14 12:23:36,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:23:36,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:23:36,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:23:36,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:23:36,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:23:36,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:23:36" (1/1) ... [2022-12-14 12:23:36,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79bfa2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:23:36, skipping insertion in model container [2022-12-14 12:23:36,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:23:36" (1/1) ... [2022-12-14 12:23:36,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:23:36,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:23:37,459 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 12:23:37,473 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 12:23:37,493 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-14 12:23:38,059 WARN L623 FunctionHandler]: Unknown extern function bt_info [2022-12-14 12:23:38,087 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,096 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 12:23:38,097 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,104 WARN L623 FunctionHandler]: Unknown extern function hci_register_dev [2022-12-14 12:23:38,104 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,105 WARN L623 FunctionHandler]: Unknown extern function hci_free_dev [2022-12-14 12:23:38,114 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,121 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,122 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,123 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_flush [2022-12-14 12:23:38,123 WARN L623 FunctionHandler]: Unknown extern function tty_driver_flush_buffer [2022-12-14 12:23:38,131 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,139 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,143 WARN L623 FunctionHandler]: Unknown extern function tty_set_termios [2022-12-14 12:23:38,145 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,148 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,152 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,155 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,159 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,163 WARN L623 FunctionHandler]: Unknown extern function tty_set_termios [2022-12-14 12:23:38,165 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,171 WARN L623 FunctionHandler]: Unknown extern function tty_set_termios [2022-12-14 12:23:38,175 WARN L623 FunctionHandler]: Unknown extern function tty_termios_encode_baud_rate [2022-12-14 12:23:38,175 WARN L623 FunctionHandler]: Unknown extern function tty_set_termios [2022-12-14 12:23:38,177 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,188 WARN L623 FunctionHandler]: Unknown extern function __hci_cmd_sync [2022-12-14 12:23:38,189 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,189 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,191 WARN L623 FunctionHandler]: Unknown extern function btintel_check_bdaddr [2022-12-14 12:23:38,192 WARN L623 FunctionHandler]: Unknown extern function btbcm_check_bdaddr [2022-12-14 12:23:38,192 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,201 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,203 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,204 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 12:23:38,205 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 12:23:38,205 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 12:23:38,217 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 12:23:38,218 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:23:38,219 WARN L623 FunctionHandler]: Unknown extern function tty_driver_flush_buffer [2022-12-14 12:23:38,229 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,232 WARN L623 FunctionHandler]: Unknown extern function hci_unregister_dev [2022-12-14 12:23:38,233 WARN L623 FunctionHandler]: Unknown extern function hci_free_dev [2022-12-14 12:23:38,234 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:23:38,242 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,252 WARN L623 FunctionHandler]: Unknown extern function tty_unthrottle [2022-12-14 12:23:38,259 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,259 WARN L623 FunctionHandler]: Unknown extern function hci_alloc_dev [2022-12-14 12:23:38,260 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,266 WARN L623 FunctionHandler]: Unknown extern function hci_register_dev [2022-12-14 12:23:38,267 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,267 WARN L623 FunctionHandler]: Unknown extern function hci_free_dev [2022-12-14 12:23:38,290 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,295 WARN L623 FunctionHandler]: Unknown extern function n_tty_ioctl_helper [2022-12-14 12:23:38,317 WARN L623 FunctionHandler]: Unknown extern function bt_info [2022-12-14 12:23:38,320 WARN L623 FunctionHandler]: Unknown extern function tty_register_ldisc [2022-12-14 12:23:38,321 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,328 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_ldisc [2022-12-14 12:23:38,329 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,389 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 12:23:38,393 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 12:23:38,395 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:38,396 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:38,397 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:38,397 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 12:23:38,398 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:38,403 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:38,404 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:38,405 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:38,405 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 12:23:38,497 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:23:38,563 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,570 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,571 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:38,577 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,578 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:38,578 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,578 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:23:38,584 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,584 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 12:23:38,585 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:38,593 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,600 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:38,605 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:38,607 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,609 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,611 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,611 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,616 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:38,617 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:38,618 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:38,618 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 12:23:38,619 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:38,623 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:38,624 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:38,624 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:38,659 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 12:23:38,874 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:38,880 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:38,880 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:38,881 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:38,885 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,886 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,886 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:38,887 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:38,887 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,887 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,894 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,897 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,899 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,909 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:38,910 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,910 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 12:23:38,911 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,911 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:38,912 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 12:23:38,912 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,918 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,924 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,925 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,925 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,926 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,934 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:38,935 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,936 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:38,936 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 12:23:38,937 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:38,937 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,943 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:38,944 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:38,945 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:38,946 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,946 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,952 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,954 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,956 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 12:23:38,957 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 12:23:38,957 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 12:23:38,958 WARN L623 FunctionHandler]: Unknown extern function hci_recv_frame [2022-12-14 12:23:38,958 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,959 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,959 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,959 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 12:23:38,960 WARN L623 FunctionHandler]: Unknown extern function hci_recv_frame [2022-12-14 12:23:38,970 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,971 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,971 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,972 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,972 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,973 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,973 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,975 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,975 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:38,975 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-14 12:23:38,977 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:38,983 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,983 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 12:23:38,990 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,997 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:38,997 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:38,997 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:38,998 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:38,998 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:23:39,003 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:39,004 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:39,004 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:39,005 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 12:23:39,005 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:39,007 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:39,008 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:39,008 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:39,009 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:23:39,009 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 12:23:39,010 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 12:23:39,102 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,102 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,103 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:39,103 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:39,108 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,109 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:23:39,115 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,116 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:39,116 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:39,123 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,123 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:39,123 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:39,123 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:39,124 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:23:39,130 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:39,130 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:39,136 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,138 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,138 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,138 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,144 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,145 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,145 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,151 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,152 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,158 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,158 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 12:23:39,160 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,160 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:39,161 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,161 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:39,162 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,163 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,163 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:39,163 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,164 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:39,169 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,170 WARN L623 FunctionHandler]: Unknown extern function hci_recv_frame [2022-12-14 12:23:39,170 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,170 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:39,177 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,177 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:39,179 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,179 WARN L623 FunctionHandler]: Unknown extern function hci_recv_frame [2022-12-14 12:23:39,180 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,182 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,183 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,185 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,186 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,187 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,188 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,189 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,190 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,191 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,191 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,192 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,197 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:39,200 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:39,200 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:39,201 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:39,201 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 12:23:39,211 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:39,214 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:39,214 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:39,214 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:39,338 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:23:39,339 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:23:39,353 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,354 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 12:23:39,354 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 12:23:39,361 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,361 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:39,361 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:39,362 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:23:39,369 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,369 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:39,375 WARN L623 FunctionHandler]: Unknown extern function __hci_cmd_sync [2022-12-14 12:23:39,376 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,376 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:39,384 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,391 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,398 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:39,399 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,400 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 12:23:39,400 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:39,406 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:39,436 WARN L623 FunctionHandler]: Unknown extern function ldv_stop_8 [2022-12-14 12:23:39,436 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_8 [2022-12-14 12:23:39,437 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_8 [2022-12-14 12:23:39,437 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_8 [2022-12-14 12:23:39,437 WARN L623 FunctionHandler]: Unknown extern function ldv_release_8 [2022-12-14 12:23:39,438 WARN L623 FunctionHandler]: Unknown extern function ldv_start_8 [2022-12-14 12:23:39,438 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:39,439 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:39,439 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:39,440 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 12:23:39,440 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:39,442 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:39,443 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:39,443 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:39,444 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 12:23:39,588 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:39,589 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:39,599 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,600 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,600 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 12:23:39,605 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,606 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:39,606 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:39,606 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:39,606 WARN L623 FunctionHandler]: Unknown extern function hci_reset_dev [2022-12-14 12:23:39,613 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,621 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:39,621 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:39,621 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:39,621 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:23:39,628 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,629 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:39,638 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,639 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:39,639 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:39,640 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:39,640 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:39,642 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,642 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:39,643 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,643 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:39,644 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,644 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:39,645 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,646 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,654 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 12:23:39,654 WARN L623 FunctionHandler]: Unknown extern function hci_recv_frame [2022-12-14 12:23:39,671 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,673 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,673 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,674 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,681 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,695 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,695 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:39,696 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,697 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:39,704 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,705 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,712 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,712 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:39,712 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,712 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:39,713 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:39,713 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:39,713 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,713 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:39,719 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:39,726 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:39,727 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:39,727 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:39,739 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,742 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,751 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,751 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:39,752 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:39,752 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 12:23:39,752 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,753 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:39,753 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 12:23:39,754 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,761 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,765 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:39,766 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:39,766 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:39,767 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 12:23:39,767 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:39,769 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:39,770 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:39,770 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:39,770 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:23:39,771 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 12:23:39,771 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:23:39,772 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 12:23:39,772 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 12:23:39,772 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:23:39,773 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:23:39,860 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:39,861 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:39,862 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:39,862 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 12:23:39,862 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:39,864 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:39,865 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:39,865 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:39,975 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,975 WARN L623 FunctionHandler]: Unknown extern function __hci_cmd_sync [2022-12-14 12:23:39,975 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,976 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:39,976 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,976 WARN L623 FunctionHandler]: Unknown extern function __hci_cmd_sync [2022-12-14 12:23:39,977 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:39,977 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:39,982 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,988 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,988 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:39,988 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:39,988 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:23:39,994 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:39,994 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:39,999 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,000 WARN L623 FunctionHandler]: Unknown extern function btbcm_initialize [2022-12-14 12:23:40,000 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 12:23:40,000 WARN L623 FunctionHandler]: Unknown extern function bt_info [2022-12-14 12:23:40,001 WARN L623 FunctionHandler]: Unknown extern function btbcm_patchram [2022-12-14 12:23:40,001 WARN L623 FunctionHandler]: Unknown extern function bt_info [2022-12-14 12:23:40,001 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 12:23:40,002 WARN L623 FunctionHandler]: Unknown extern function btbcm_finalize [2022-12-14 12:23:40,007 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,012 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,013 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 12:23:40,013 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:40,018 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:40,038 WARN L623 FunctionHandler]: Unknown extern function ldv_stop_6 [2022-12-14 12:23:40,039 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_6 [2022-12-14 12:23:40,039 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_6 [2022-12-14 12:23:40,039 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_6 [2022-12-14 12:23:40,039 WARN L623 FunctionHandler]: Unknown extern function ldv_release_6 [2022-12-14 12:23:40,039 WARN L623 FunctionHandler]: Unknown extern function ldv_start_6 [2022-12-14 12:23:40,040 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,040 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,041 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,041 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 12:23:40,041 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,043 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,043 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,043 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,048 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_09d01ae0-4799-4690-8e6d-bec5f5897fb6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i[448815,448828] [2022-12-14 12:23:40,066 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 12:23:40,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:23:40,116 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:23:40,245 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 12:23:40,246 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 12:23:40,246 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-14 12:23:40,250 WARN L623 FunctionHandler]: Unknown extern function bt_info [2022-12-14 12:23:40,260 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,264 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 12:23:40,265 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,266 WARN L623 FunctionHandler]: Unknown extern function hci_register_dev [2022-12-14 12:23:40,266 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,266 WARN L623 FunctionHandler]: Unknown extern function hci_free_dev [2022-12-14 12:23:40,270 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,271 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,271 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,272 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_flush [2022-12-14 12:23:40,272 WARN L623 FunctionHandler]: Unknown extern function tty_driver_flush_buffer [2022-12-14 12:23:40,275 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,278 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,282 WARN L623 FunctionHandler]: Unknown extern function tty_set_termios [2022-12-14 12:23:40,282 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,285 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,288 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,290 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,292 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,294 WARN L623 FunctionHandler]: Unknown extern function tty_set_termios [2022-12-14 12:23:40,305 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,308 WARN L623 FunctionHandler]: Unknown extern function tty_set_termios [2022-12-14 12:23:40,310 WARN L623 FunctionHandler]: Unknown extern function tty_termios_encode_baud_rate [2022-12-14 12:23:40,310 WARN L623 FunctionHandler]: Unknown extern function tty_set_termios [2022-12-14 12:23:40,311 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,316 WARN L623 FunctionHandler]: Unknown extern function __hci_cmd_sync [2022-12-14 12:23:40,317 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,317 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,318 WARN L623 FunctionHandler]: Unknown extern function btintel_check_bdaddr [2022-12-14 12:23:40,319 WARN L623 FunctionHandler]: Unknown extern function btbcm_check_bdaddr [2022-12-14 12:23:40,320 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,321 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,321 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 12:23:40,321 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 12:23:40,322 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 12:23:40,322 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 12:23:40,322 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:23:40,324 WARN L623 FunctionHandler]: Unknown extern function tty_driver_flush_buffer [2022-12-14 12:23:40,325 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,326 WARN L623 FunctionHandler]: Unknown extern function hci_unregister_dev [2022-12-14 12:23:40,326 WARN L623 FunctionHandler]: Unknown extern function hci_free_dev [2022-12-14 12:23:40,328 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:23:40,329 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,332 WARN L623 FunctionHandler]: Unknown extern function tty_unthrottle [2022-12-14 12:23:40,333 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,334 WARN L623 FunctionHandler]: Unknown extern function hci_alloc_dev [2022-12-14 12:23:40,334 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,341 WARN L623 FunctionHandler]: Unknown extern function hci_register_dev [2022-12-14 12:23:40,341 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,341 WARN L623 FunctionHandler]: Unknown extern function hci_free_dev [2022-12-14 12:23:40,346 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,348 WARN L623 FunctionHandler]: Unknown extern function n_tty_ioctl_helper [2022-12-14 12:23:40,348 WARN L623 FunctionHandler]: Unknown extern function bt_info [2022-12-14 12:23:40,369 WARN L623 FunctionHandler]: Unknown extern function tty_register_ldisc [2022-12-14 12:23:40,369 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,370 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_ldisc [2022-12-14 12:23:40,370 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,377 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 12:23:40,379 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 12:23:40,380 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,380 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,381 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,381 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 12:23:40,382 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,384 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,384 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,385 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,385 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 12:23:40,388 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:23:40,391 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,393 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,394 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,395 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,395 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,396 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,396 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:23:40,397 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,398 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 12:23:40,398 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:40,400 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,400 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:40,404 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:40,405 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,406 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,407 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,408 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,412 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,412 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,413 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,413 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 12:23:40,414 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,416 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,417 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,417 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,418 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 12:23:40,434 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:40,436 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:40,436 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:40,437 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:40,438 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,438 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,438 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:40,439 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:40,439 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,439 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,440 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,443 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,445 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,448 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:40,449 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,450 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 12:23:40,450 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,450 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:40,451 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 12:23:40,451 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,453 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,455 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,456 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,458 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,459 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,461 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:40,463 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,463 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:40,464 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 12:23:40,464 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:40,465 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,466 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:40,467 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:40,468 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:40,469 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,469 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,471 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,473 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,476 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 12:23:40,476 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 12:23:40,477 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 12:23:40,477 WARN L623 FunctionHandler]: Unknown extern function hci_recv_frame [2022-12-14 12:23:40,477 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,478 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,478 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,479 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 12:23:40,479 WARN L623 FunctionHandler]: Unknown extern function hci_recv_frame [2022-12-14 12:23:40,481 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,482 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,482 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,483 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,483 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,484 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,484 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,486 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,486 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,487 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-14 12:23:40,488 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,490 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,490 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 12:23:40,492 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,494 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,495 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,495 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,495 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,495 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:23:40,500 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,501 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,501 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,502 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 12:23:40,502 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,504 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,504 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,505 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,505 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:23:40,506 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 12:23:40,506 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 12:23:40,508 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,509 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,509 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:40,509 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:40,510 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,511 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:23:40,512 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,512 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,512 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,513 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,514 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,514 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,514 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,514 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:23:40,515 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:40,515 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:40,516 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,517 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,517 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,517 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,518 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,518 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,519 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,520 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,520 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,522 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,522 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 12:23:40,523 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,523 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:40,524 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,524 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:40,524 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,525 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,525 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:40,526 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,526 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,527 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,527 WARN L623 FunctionHandler]: Unknown extern function hci_recv_frame [2022-12-14 12:23:40,527 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,527 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,529 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,530 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:40,531 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,532 WARN L623 FunctionHandler]: Unknown extern function hci_recv_frame [2022-12-14 12:23:40,533 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,534 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,535 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,536 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,537 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,537 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,538 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,539 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,540 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,540 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,541 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,541 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,543 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:40,545 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,546 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,546 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,546 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 12:23:40,547 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,548 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,549 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,549 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,556 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:23:40,561 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:23:40,565 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,566 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 12:23:40,566 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 12:23:40,576 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,576 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,576 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,577 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:23:40,578 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,578 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,579 WARN L623 FunctionHandler]: Unknown extern function __hci_cmd_sync [2022-12-14 12:23:40,579 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,579 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,580 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,583 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,584 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,585 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,585 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 12:23:40,585 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:40,586 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:40,592 WARN L623 FunctionHandler]: Unknown extern function ldv_stop_8 [2022-12-14 12:23:40,592 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_8 [2022-12-14 12:23:40,592 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_8 [2022-12-14 12:23:40,592 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_8 [2022-12-14 12:23:40,593 WARN L623 FunctionHandler]: Unknown extern function ldv_release_8 [2022-12-14 12:23:40,593 WARN L623 FunctionHandler]: Unknown extern function ldv_start_8 [2022-12-14 12:23:40,594 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,594 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,594 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,595 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 12:23:40,595 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,597 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,597 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,597 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,598 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 12:23:40,599 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:40,600 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:40,601 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,603 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,603 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 12:23:40,604 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,604 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,604 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,604 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,605 WARN L623 FunctionHandler]: Unknown extern function hci_reset_dev [2022-12-14 12:23:40,606 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,608 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,608 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,608 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,608 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:23:40,609 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,610 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,613 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,614 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:40,614 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:40,615 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:40,615 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:40,616 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,617 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:40,618 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,618 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:40,619 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,619 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:23:40,620 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,621 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,623 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 12:23:40,623 WARN L623 FunctionHandler]: Unknown extern function hci_recv_frame [2022-12-14 12:23:40,625 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,626 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,627 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,627 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,629 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,634 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,635 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:40,636 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,636 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,638 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,638 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,639 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,639 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,640 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,640 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,640 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:40,640 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:40,640 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,641 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,641 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:40,642 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:40,642 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:40,643 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 12:23:40,644 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,646 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,648 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,649 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:40,650 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,650 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 12:23:40,650 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,650 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:40,651 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 12:23:40,651 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,652 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,656 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,657 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,657 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,657 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 12:23:40,657 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,659 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,660 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,660 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,660 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:23:40,661 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 12:23:40,661 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:23:40,661 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 12:23:40,662 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 12:23:40,662 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:23:40,662 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:23:40,663 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,663 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,664 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,664 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 12:23:40,664 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,666 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,666 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,667 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,668 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,669 WARN L623 FunctionHandler]: Unknown extern function __hci_cmd_sync [2022-12-14 12:23:40,669 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,669 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,670 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,670 WARN L623 FunctionHandler]: Unknown extern function __hci_cmd_sync [2022-12-14 12:23:40,671 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,671 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,672 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,673 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,673 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,674 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 12:23:40,674 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:23:40,675 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,675 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 12:23:40,676 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,678 WARN L623 FunctionHandler]: Unknown extern function btbcm_initialize [2022-12-14 12:23:40,678 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 12:23:40,678 WARN L623 FunctionHandler]: Unknown extern function bt_info [2022-12-14 12:23:40,679 WARN L623 FunctionHandler]: Unknown extern function btbcm_patchram [2022-12-14 12:23:40,679 WARN L623 FunctionHandler]: Unknown extern function bt_info [2022-12-14 12:23:40,680 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 12:23:40,680 WARN L623 FunctionHandler]: Unknown extern function btbcm_finalize [2022-12-14 12:23:40,681 WARN L623 FunctionHandler]: Unknown extern function bt_err [2022-12-14 12:23:40,682 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 12:23:40,682 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 12:23:40,683 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 12:23:40,683 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 12:23:40,687 WARN L623 FunctionHandler]: Unknown extern function ldv_stop_6 [2022-12-14 12:23:40,687 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_6 [2022-12-14 12:23:40,687 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_6 [2022-12-14 12:23:40,687 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_6 [2022-12-14 12:23:40,688 WARN L623 FunctionHandler]: Unknown extern function ldv_release_6 [2022-12-14 12:23:40,688 WARN L623 FunctionHandler]: Unknown extern function ldv_start_6 [2022-12-14 12:23:40,689 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,689 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,689 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 12:23:40,690 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 12:23:40,690 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 12:23:40,691 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,692 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,692 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 12:23:40,692 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_09d01ae0-4799-4690-8e6d-bec5f5897fb6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i[448815,448828] [2022-12-14 12:23:40,694 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 12:23:40,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:23:40,938 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:23:40,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:23:40 WrapperNode [2022-12-14 12:23:40,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:23:40,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:23:40,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:23:40,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:23:40,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:23:40" (1/1) ... [2022-12-14 12:23:41,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:23:40" (1/1) ... [2022-12-14 12:23:41,187 INFO L138 Inliner]: procedures = 490, calls = 4855, calls flagged for inlining = 140, calls inlined = 118, statements flattened = 7456 [2022-12-14 12:23:41,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:23:41,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:23:41,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:23:41,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:23:41,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:23:40" (1/1) ... [2022-12-14 12:23:41,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:23:40" (1/1) ... [2022-12-14 12:23:41,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:23:40" (1/1) ... [2022-12-14 12:23:41,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:23:40" (1/1) ... [2022-12-14 12:23:41,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:23:40" (1/1) ... [2022-12-14 12:23:41,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:23:40" (1/1) ... [2022-12-14 12:23:41,430 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:23:40" (1/1) ... [2022-12-14 12:23:41,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:23:40" (1/1) ... [2022-12-14 12:23:41,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:23:41,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:23:41,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:23:41,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:23:41,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:23:40" (1/1) ... [2022-12-14 12:23:41,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:23:41,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:23:41,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:23:41,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:23:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-12-14 12:23:41,528 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-12-14 12:23:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_prepare_pkt [2022-12-14 12:23:41,529 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_prepare_pkt [2022-12-14 12:23:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 12:23:41,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 12:23:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-12-14 12:23:41,529 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-12-14 12:23:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_setup [2022-12-14 12:23:41,529 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_setup [2022-12-14 12:23:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-14 12:23:41,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-14 12:23:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 12:23:41,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 12:23:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure ll_dequeue [2022-12-14 12:23:41,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_dequeue [2022-12-14 12:23:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_close [2022-12-14 12:23:41,530 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_close [2022-12-14 12:23:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-12-14 12:23:41,530 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-12-14 12:23:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 12:23:41,530 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 12:23:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 12:23:41,530 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 12:23:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_flush [2022-12-14 12:23:41,531 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_flush [2022-12-14 12:23:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure ath_dequeue [2022-12-14 12:23:41,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_dequeue [2022-12-14 12:23:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-12-14 12:23:41,531 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-12-14 12:23:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 12:23:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure h5_link_control [2022-12-14 12:23:41,531 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_link_control [2022-12-14 12:23:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 12:23:41,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 12:23:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 12:23:41,532 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 12:23:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure bt_skb_alloc___1 [2022-12-14 12:23:41,532 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_skb_alloc___1 [2022-12-14 12:23:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2022-12-14 12:23:41,532 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2022-12-14 12:23:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:23:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure h4_enqueue [2022-12-14 12:23:41,532 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_enqueue [2022-12-14 12:23:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-12-14 12:23:41,532 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-12-14 12:23:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure ath_hci_uart_work [2022-12-14 12:23:41,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_hci_uart_work [2022-12-14 12:23:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure btbcm_set_bdaddr [2022-12-14 12:23:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_setup [2022-12-14 12:23:41,533 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_setup [2022-12-14 12:23:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 12:23:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 12:23:41,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 12:23:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 12:23:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure __ll_do_awake [2022-12-14 12:23:41,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __ll_do_awake [2022-12-14 12:23:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-12-14 12:23:41,534 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-12-14 12:23:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure h5_peer_reset [2022-12-14 12:23:41,534 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_peer_reset [2022-12-14 12:23:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:23:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure h5_enqueue [2022-12-14 12:23:41,534 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_enqueue [2022-12-14 12:23:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_complete_rx_pkt [2022-12-14 12:23:41,534 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_complete_rx_pkt [2022-12-14 12:23:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 12:23:41,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 12:23:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_unregister_proto [2022-12-14 12:23:41,535 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_unregister_proto [2022-12-14 12:23:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 12:23:41,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 12:23:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure hci_get_drvdata [2022-12-14 12:23:41,535 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_get_drvdata [2022-12-14 12:23:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tty_close [2022-12-14 12:23:41,535 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tty_close [2022-12-14 12:23:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure btintel_set_bdaddr [2022-12-14 12:23:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-12-14 12:23:41,535 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-12-14 12:23:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_recv [2022-12-14 12:23:41,535 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_recv [2022-12-14 12:23:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_register_proto [2022-12-14 12:23:41,536 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_register_proto [2022-12-14 12:23:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_recv [2022-12-14 12:23:41,536 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_recv [2022-12-14 12:23:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 12:23:41,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 12:23:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_flush [2022-12-14 12:23:41,536 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_flush [2022-12-14 12:23:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 12:23:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-12-14 12:23:41,536 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-12-14 12:23:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-12-14 12:23:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-12-14 12:23:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:23:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure bscp_get_crc [2022-12-14 12:23:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure bscp_get_crc [2022-12-14 12:23:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 12:23:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 12:23:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 12:23:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 12:23:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 12:23:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2022-12-14 12:23:41,538 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2022-12-14 12:23:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_init_work [2022-12-14 12:23:41,538 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_init_work [2022-12-14 12:23:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure ll_close [2022-12-14 12:23:41,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_close [2022-12-14 12:23:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 12:23:41,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 12:23:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure hci_register_dev [2022-12-14 12:23:41,538 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_register_dev [2022-12-14 12:23:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure send_hcill_cmd [2022-12-14 12:23:41,538 INFO L138 BoogieDeclarations]: Found implementation of procedure send_hcill_cmd [2022-12-14 12:23:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 12:23:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 12:23:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure ath_flush [2022-12-14 12:23:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_flush [2022-12-14 12:23:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_slip_msgdelim [2022-12-14 12:23:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_slip_msgdelim [2022-12-14 12:23:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure h4_dequeue [2022-12-14 12:23:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_dequeue [2022-12-14 12:23:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure ath_wakeup_ar3k [2022-12-14 12:23:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_wakeup_ar3k [2022-12-14 12:23:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure h5_prepare_pkt [2022-12-14 12:23:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_prepare_pkt [2022-12-14 12:23:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-12-14 12:23:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-12-14 12:23:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-14 12:23:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-14 12:23:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_open [2022-12-14 12:23:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_open [2022-12-14 12:23:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-14 12:23:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-14 12:23:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_close [2022-12-14 12:23:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_close [2022-12-14 12:23:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 12:23:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 12:23:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure h5_cfg_field [2022-12-14 12:23:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_cfg_field [2022-12-14 12:23:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:23:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:23:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 12:23:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 12:23:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure h5_flush [2022-12-14 12:23:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_flush [2022-12-14 12:23:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-12-14 12:23:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-12-14 12:23:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure ll_check_data_len [2022-12-14 12:23:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_check_data_len [2022-12-14 12:23:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-12-14 12:23:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-12-14 12:23:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 12:23:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 12:23:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 12:23:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 12:23:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure h5_slip_one_byte [2022-12-14 12:23:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_slip_one_byte [2022-12-14 12:23:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-12-14 12:23:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-12-14 12:23:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-12-14 12:23:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-12-14 12:23:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_set_baudrate [2022-12-14 12:23:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_set_baudrate [2022-12-14 12:23:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2022-12-14 12:23:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2022-12-14 12:23:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2022-12-14 12:23:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2022-12-14 12:23:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure ath_open [2022-12-14 12:23:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_open [2022-12-14 12:23:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure ath_setup [2022-12-14 12:23:41,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_setup [2022-12-14 12:23:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 12:23:41,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 12:23:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_dequeue [2022-12-14 12:23:41,544 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_dequeue [2022-12-14 12:23:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 12:23:41,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 12:23:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure hci_free_dev [2022-12-14 12:23:41,544 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_free_dev [2022-12-14 12:23:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2022-12-14 12:23:41,544 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2022-12-14 12:23:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 12:23:41,545 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 12:23:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure h4_open [2022-12-14 12:23:41,545 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_open [2022-12-14 12:23:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-12-14 12:23:41,545 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-12-14 12:23:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-14 12:23:41,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-14 12:23:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_send_frame [2022-12-14 12:23:41,545 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_send_frame [2022-12-14 12:23:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:23:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure __hci_cmd_sync [2022-12-14 12:23:41,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __hci_cmd_sync [2022-12-14 12:23:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure ath_close [2022-12-14 12:23:41,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_close [2022-12-14 12:23:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_crc_update [2022-12-14 12:23:41,546 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_crc_update [2022-12-14 12:23:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 12:23:41,546 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 12:23:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 12:23:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-12-14 12:23:41,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-12-14 12:23:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-12-14 12:23:41,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-12-14 12:23:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-12-14 12:23:41,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-12-14 12:23:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure hci_recv_frame [2022-12-14 12:23:41,547 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_recv_frame [2022-12-14 12:23:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 12:23:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure h4_close [2022-12-14 12:23:41,547 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_close [2022-12-14 12:23:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-12-14 12:23:41,547 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-12-14 12:23:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure h5_reset_rx [2022-12-14 12:23:41,548 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_reset_rx [2022-12-14 12:23:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-12-14 12:23:41,548 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-12-14 12:23:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_termios [2022-12-14 12:23:41,548 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_termios [2022-12-14 12:23:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure h4_recv [2022-12-14 12:23:41,548 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_recv [2022-12-14 12:23:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 12:23:41,548 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 12:23:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-12-14 12:23:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-12-14 12:23:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-12-14 12:23:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-12-14 12:23:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure ath_recv [2022-12-14 12:23:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_recv [2022-12-14 12:23:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_flush [2022-12-14 12:23:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_flush [2022-12-14 12:23:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure h5_close [2022-12-14 12:23:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_close [2022-12-14 12:23:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_dequeue [2022-12-14 12:23:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_dequeue [2022-12-14 12:23:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-14 12:23:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-14 12:23:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_slip_one_byte [2022-12-14 12:23:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_slip_one_byte [2022-12-14 12:23:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_open [2022-12-14 12:23:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_open [2022-12-14 12:23:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure h5_dequeue [2022-12-14 12:23:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_dequeue [2022-12-14 12:23:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure h5_slip_delim [2022-12-14 12:23:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_slip_delim [2022-12-14 12:23:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_close [2022-12-14 12:23:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_close [2022-12-14 12:23:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-12-14 12:23:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-12-14 12:23:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure ath_enqueue [2022-12-14 12:23:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_enqueue [2022-12-14 12:23:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure h5_open [2022-12-14 12:23:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_open [2022-12-14 12:23:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-12-14 12:23:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-12-14 12:23:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure ll_enqueue [2022-12-14 12:23:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_enqueue [2022-12-14 12:23:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 12:23:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 12:23:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure h4_recv_buf [2022-12-14 12:23:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_recv_buf [2022-12-14 12:23:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 12:23:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 12:23:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:23:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-12-14 12:23:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-12-14 12:23:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-12-14 12:23:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-12-14 12:23:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 12:23:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 12:23:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure tty_driver_flush_buffer [2022-12-14 12:23:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_driver_flush_buffer [2022-12-14 12:23:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure h5_recv [2022-12-14 12:23:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_recv [2022-12-14 12:23:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure ll_open [2022-12-14 12:23:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_open [2022-12-14 12:23:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tx_wakeup [2022-12-14 12:23:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tx_wakeup [2022-12-14 12:23:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-14 12:23:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-14 12:23:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 12:23:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 12:23:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_set_baudrate [2022-12-14 12:23:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_set_baudrate [2022-12-14 12:23:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure ll_flush [2022-12-14 12:23:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_flush [2022-12-14 12:23:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_enqueue [2022-12-14 12:23:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_enqueue [2022-12-14 12:23:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure h5_complete_rx_pkt [2022-12-14 12:23:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_complete_rx_pkt [2022-12-14 12:23:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure ll_recv [2022-12-14 12:23:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_recv [2022-12-14 12:23:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_write_work [2022-12-14 12:23:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_write_work [2022-12-14 12:23:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 12:23:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 12:23:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-12-14 12:23:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-12-14 12:23:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-14 12:23:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-14 12:23:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tty_open [2022-12-14 12:23:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tty_open [2022-12-14 12:23:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_enqueue [2022-12-14 12:23:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_enqueue [2022-12-14 12:23:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-14 12:23:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-14 12:23:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 12:23:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 12:23:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:23:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-12-14 12:23:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-12-14 12:23:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure h4_flush [2022-12-14 12:23:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_flush [2022-12-14 12:23:42,169 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:23:42,172 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:23:42,658 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 12:23:51,327 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:23:52,528 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:23:52,528 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 12:23:52,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:23:52 BoogieIcfgContainer [2022-12-14 12:23:52,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:23:52,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:23:52,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:23:52,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:23:52,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:23:36" (1/3) ... [2022-12-14 12:23:52,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138044d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:23:52, skipping insertion in model container [2022-12-14 12:23:52,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:23:40" (2/3) ... [2022-12-14 12:23:52,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138044d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:23:52, skipping insertion in model container [2022-12-14 12:23:52,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:23:52" (3/3) ... [2022-12-14 12:23:52,538 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i [2022-12-14 12:23:52,552 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:23:52,552 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 12:23:52,615 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:23:52,620 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;@761de69c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:23:52,620 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 12:23:52,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 2225 states, 1367 states have (on average 1.3569861009509876) internal successors, (1855), 1421 states have internal predecessors, (1855), 709 states have call successors, (709), 148 states have call predecessors, (709), 147 states have return successors, (699), 686 states have call predecessors, (699), 699 states have call successors, (699) [2022-12-14 12:23:52,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 12:23:52,642 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:23:52,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:23:52,643 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:23:52,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:23:52,647 INFO L85 PathProgramCache]: Analyzing trace with hash -125967083, now seen corresponding path program 1 times [2022-12-14 12:23:52,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:23:52,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193304582] [2022-12-14 12:23:52,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:23:52,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:23:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:23:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:23:53,458 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:23:53,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193304582] [2022-12-14 12:23:53,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193304582] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:23:53,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:23:53,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:23:53,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828123826] [2022-12-14 12:23:53,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:23:53,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:23:53,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:23:53,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:23:53,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:23:53,496 INFO L87 Difference]: Start difference. First operand has 2225 states, 1367 states have (on average 1.3569861009509876) internal successors, (1855), 1421 states have internal predecessors, (1855), 709 states have call successors, (709), 148 states have call predecessors, (709), 147 states have return successors, (699), 686 states have call predecessors, (699), 699 states have call successors, (699) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 12:23:55,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:23:59,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:24:00,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:24:00,316 INFO L93 Difference]: Finished difference Result 4648 states and 6892 transitions. [2022-12-14 12:24:00,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:24:00,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-12-14 12:24:00,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:24:00,353 INFO L225 Difference]: With dead ends: 4648 [2022-12-14 12:24:00,354 INFO L226 Difference]: Without dead ends: 2397 [2022-12-14 12:24:00,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:24:00,371 INFO L413 NwaCegarLoop]: 3072 mSDtfsCounter, 2996 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3000 SdHoareTripleChecker+Valid, 3473 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:24:00,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3000 Valid, 3473 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 406 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-12-14 12:24:00,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2022-12-14 12:24:00,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 2397. [2022-12-14 12:24:00,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2397 states, 1479 states have (on average 1.341446923597025) internal successors, (1984), 1521 states have internal predecessors, (1984), 740 states have call successors, (740), 178 states have call predecessors, (740), 177 states have return successors, (739), 726 states have call predecessors, (739), 739 states have call successors, (739) [2022-12-14 12:24:00,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2397 states and 3463 transitions. [2022-12-14 12:24:00,507 INFO L78 Accepts]: Start accepts. Automaton has 2397 states and 3463 transitions. Word has length 45 [2022-12-14 12:24:00,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:24:00,508 INFO L495 AbstractCegarLoop]: Abstraction has 2397 states and 3463 transitions. [2022-12-14 12:24:00,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 12:24:00,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 3463 transitions. [2022-12-14 12:24:00,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 12:24:00,516 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:24:00,516 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 12:24:00,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:24:00,517 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:24:00,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:24:00,517 INFO L85 PathProgramCache]: Analyzing trace with hash 2083658517, now seen corresponding path program 1 times [2022-12-14 12:24:00,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:24:00,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546701256] [2022-12-14 12:24:00,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:24:00,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:24:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:24:01,513 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 12:24:01,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:24:01,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546701256] [2022-12-14 12:24:01,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546701256] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:24:01,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:24:01,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 12:24:01,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374787246] [2022-12-14 12:24:01,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:24:01,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 12:24:01,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:24:01,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 12:24:01,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:24:01,517 INFO L87 Difference]: Start difference. First operand 2397 states and 3463 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-14 12:24:04,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:24:10,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:24:13,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:24:15,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:24:16,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:24:16,627 INFO L93 Difference]: Finished difference Result 4811 states and 6993 transitions. [2022-12-14 12:24:16,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:24:16,628 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 61 [2022-12-14 12:24:16,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:24:16,637 INFO L225 Difference]: With dead ends: 4811 [2022-12-14 12:24:16,637 INFO L226 Difference]: Without dead ends: 2415 [2022-12-14 12:24:16,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:24:16,645 INFO L413 NwaCegarLoop]: 2916 mSDtfsCounter, 6 mSDsluCounter, 14548 mSDsCounter, 0 mSdLazyCounter, 1905 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 17464 SdHoareTripleChecker+Invalid, 1909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1905 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-12-14 12:24:16,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 17464 Invalid, 1909 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1905 Invalid, 4 Unknown, 0 Unchecked, 14.9s Time] [2022-12-14 12:24:16,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2022-12-14 12:24:16,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 2403. [2022-12-14 12:24:16,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2403 states, 1483 states have (on average 1.3405259608900877) internal successors, (1988), 1525 states have internal predecessors, (1988), 740 states have call successors, (740), 178 states have call predecessors, (740), 179 states have return successors, (744), 728 states have call predecessors, (744), 739 states have call successors, (744) [2022-12-14 12:24:16,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2403 states to 2403 states and 3472 transitions. [2022-12-14 12:24:16,714 INFO L78 Accepts]: Start accepts. Automaton has 2403 states and 3472 transitions. Word has length 61 [2022-12-14 12:24:16,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:24:16,714 INFO L495 AbstractCegarLoop]: Abstraction has 2403 states and 3472 transitions. [2022-12-14 12:24:16,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-14 12:24:16,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2403 states and 3472 transitions. [2022-12-14 12:24:16,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 12:24:16,719 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:24:16,719 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 12:24:16,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:24:16,720 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:24:16,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:24:16,720 INFO L85 PathProgramCache]: Analyzing trace with hash -205944029, now seen corresponding path program 1 times [2022-12-14 12:24:16,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:24:16,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679190463] [2022-12-14 12:24:16,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:24:16,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:24:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:24:17,644 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 12:24:17,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:24:17,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679190463] [2022-12-14 12:24:17,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679190463] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:24:17,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:24:17,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 12:24:17,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322886176] [2022-12-14 12:24:17,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:24:17,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 12:24:17,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:24:17,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 12:24:17,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:24:17,647 INFO L87 Difference]: Start difference. First operand 2403 states and 3472 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-14 12:24:21,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:24:25,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:24:26,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:24:26,788 INFO L93 Difference]: Finished difference Result 4818 states and 7002 transitions. [2022-12-14 12:24:26,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:24:26,788 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 63 [2022-12-14 12:24:26,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:24:26,798 INFO L225 Difference]: With dead ends: 4818 [2022-12-14 12:24:26,798 INFO L226 Difference]: Without dead ends: 2416 [2022-12-14 12:24:26,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:24:26,805 INFO L413 NwaCegarLoop]: 2916 mSDtfsCounter, 6 mSDsluCounter, 14548 mSDsCounter, 0 mSdLazyCounter, 1902 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 17464 SdHoareTripleChecker+Invalid, 1904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1902 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:24:26,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 17464 Invalid, 1904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1902 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2022-12-14 12:24:26,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2416 states. [2022-12-14 12:24:26,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2416 to 2405. [2022-12-14 12:24:26,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2405 states, 1485 states have (on average 1.34006734006734) internal successors, (1990), 1526 states have internal predecessors, (1990), 740 states have call successors, (740), 178 states have call predecessors, (740), 179 states have return successors, (744), 729 states have call predecessors, (744), 739 states have call successors, (744) [2022-12-14 12:24:26,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 3474 transitions. [2022-12-14 12:24:26,923 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 3474 transitions. Word has length 63 [2022-12-14 12:24:26,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:24:26,924 INFO L495 AbstractCegarLoop]: Abstraction has 2405 states and 3474 transitions. [2022-12-14 12:24:26,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-14 12:24:26,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 3474 transitions. [2022-12-14 12:24:26,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-14 12:24:26,937 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:24:26,937 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-12-14 12:24:26,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 12:24:26,937 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:24:26,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:24:26,938 INFO L85 PathProgramCache]: Analyzing trace with hash 77137370, now seen corresponding path program 1 times [2022-12-14 12:24:26,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:24:26,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421498283] [2022-12-14 12:24:26,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:24:26,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:24:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:24:27,219 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 12:24:27,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:24:27,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421498283] [2022-12-14 12:24:27,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421498283] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:24:27,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:24:27,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:24:27,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036960590] [2022-12-14 12:24:27,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:24:27,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:24:27,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:24:27,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:24:27,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:24:27,222 INFO L87 Difference]: Start difference. First operand 2405 states and 3474 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 12:24:29,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:24:31,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:24:34,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:24:34,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:24:34,468 INFO L93 Difference]: Finished difference Result 7149 states and 10321 transitions. [2022-12-14 12:24:34,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:24:34,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 84 [2022-12-14 12:24:34,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:24:34,487 INFO L225 Difference]: With dead ends: 7149 [2022-12-14 12:24:34,487 INFO L226 Difference]: Without dead ends: 4745 [2022-12-14 12:24:34,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:24:34,495 INFO L413 NwaCegarLoop]: 3575 mSDtfsCounter, 3105 mSDsluCounter, 2874 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3109 SdHoareTripleChecker+Valid, 6449 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:24:34,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3109 Valid, 6449 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 653 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-12-14 12:24:34,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4745 states. [2022-12-14 12:24:34,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4745 to 4741. [2022-12-14 12:24:34,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4741 states, 2926 states have (on average 1.3393711551606289) internal successors, (3919), 3008 states have internal predecessors, (3919), 1458 states have call successors, (1458), 353 states have call predecessors, (1458), 356 states have return successors, (1467), 1437 states have call predecessors, (1467), 1457 states have call successors, (1467) [2022-12-14 12:24:34,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4741 states to 4741 states and 6844 transitions. [2022-12-14 12:24:34,698 INFO L78 Accepts]: Start accepts. Automaton has 4741 states and 6844 transitions. Word has length 84 [2022-12-14 12:24:34,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:24:34,698 INFO L495 AbstractCegarLoop]: Abstraction has 4741 states and 6844 transitions. [2022-12-14 12:24:34,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 12:24:34,698 INFO L276 IsEmpty]: Start isEmpty. Operand 4741 states and 6844 transitions. [2022-12-14 12:24:34,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 12:24:34,704 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:24:34,704 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:24:34,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 12:24:34,704 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:24:34,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:24:34,705 INFO L85 PathProgramCache]: Analyzing trace with hash 473219245, now seen corresponding path program 1 times [2022-12-14 12:24:34,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:24:34,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064441660] [2022-12-14 12:24:34,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:24:34,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:24:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:24:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 12:24:35,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:24:35,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064441660] [2022-12-14 12:24:35,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064441660] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:24:35,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:24:35,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:24:35,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580635393] [2022-12-14 12:24:35,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:24:35,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:24:35,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:24:35,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:24:35,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:24:35,106 INFO L87 Difference]: Start difference. First operand 4741 states and 6844 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 12:24:37,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:24:40,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:24:40,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:24:40,415 INFO L93 Difference]: Finished difference Result 9541 states and 13749 transitions. [2022-12-14 12:24:40,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:24:40,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 71 [2022-12-14 12:24:40,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:24:40,433 INFO L225 Difference]: With dead ends: 9541 [2022-12-14 12:24:40,433 INFO L226 Difference]: Without dead ends: 4801 [2022-12-14 12:24:40,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:24:40,446 INFO L413 NwaCegarLoop]: 2902 mSDtfsCounter, 3147 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3155 SdHoareTripleChecker+Valid, 2957 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:24:40,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3155 Valid, 2957 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 322 Invalid, 2 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 12:24:40,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4801 states. [2022-12-14 12:24:40,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4801 to 4793. [2022-12-14 12:24:40,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4793 states, 2956 states have (on average 1.337956698240866) internal successors, (3955), 3038 states have internal predecessors, (3955), 1464 states have call successors, (1464), 369 states have call predecessors, (1464), 372 states have return successors, (1473), 1443 states have call predecessors, (1473), 1463 states have call successors, (1473) [2022-12-14 12:24:40,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4793 states to 4793 states and 6892 transitions. [2022-12-14 12:24:40,686 INFO L78 Accepts]: Start accepts. Automaton has 4793 states and 6892 transitions. Word has length 71 [2022-12-14 12:24:40,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:24:40,686 INFO L495 AbstractCegarLoop]: Abstraction has 4793 states and 6892 transitions. [2022-12-14 12:24:40,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 12:24:40,686 INFO L276 IsEmpty]: Start isEmpty. Operand 4793 states and 6892 transitions. [2022-12-14 12:24:40,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-14 12:24:40,694 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:24:40,694 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:24:40,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 12:24:40,694 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:24:40,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:24:40,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1825916853, now seen corresponding path program 1 times [2022-12-14 12:24:40,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:24:40,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598164829] [2022-12-14 12:24:40,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:24:40,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:24:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:24:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 12:24:41,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:24:41,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598164829] [2022-12-14 12:24:41,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598164829] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:24:41,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:24:41,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:24:41,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650093169] [2022-12-14 12:24:41,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:24:41,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:24:41,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:24:41,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:24:41,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:24:41,202 INFO L87 Difference]: Start difference. First operand 4793 states and 6892 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 12:24:43,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:24:45,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:24:45,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:24:45,511 INFO L93 Difference]: Finished difference Result 9583 states and 13778 transitions. [2022-12-14 12:24:45,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:24:45,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 72 [2022-12-14 12:24:45,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:24:45,527 INFO L225 Difference]: With dead ends: 9583 [2022-12-14 12:24:45,527 INFO L226 Difference]: Without dead ends: 4791 [2022-12-14 12:24:45,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:24:45,540 INFO L413 NwaCegarLoop]: 2896 mSDtfsCounter, 3186 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3190 SdHoareTripleChecker+Valid, 2901 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:24:45,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3190 Valid, 2901 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 316 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 12:24:45,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4791 states. [2022-12-14 12:24:45,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4791 to 4791. [2022-12-14 12:24:45,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4791 states, 2955 states have (on average 1.337394247038917) internal successors, (3952), 3037 states have internal predecessors, (3952), 1462 states have call successors, (1462), 370 states have call predecessors, (1462), 373 states have return successors, (1471), 1441 states have call predecessors, (1471), 1461 states have call successors, (1471) [2022-12-14 12:24:45,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4791 states to 4791 states and 6885 transitions. [2022-12-14 12:24:45,704 INFO L78 Accepts]: Start accepts. Automaton has 4791 states and 6885 transitions. Word has length 72 [2022-12-14 12:24:45,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:24:45,704 INFO L495 AbstractCegarLoop]: Abstraction has 4791 states and 6885 transitions. [2022-12-14 12:24:45,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 12:24:45,705 INFO L276 IsEmpty]: Start isEmpty. Operand 4791 states and 6885 transitions. [2022-12-14 12:24:45,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-14 12:24:45,715 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:24:45,715 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:24:45,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 12:24:45,715 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:24:45,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:24:45,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1733278914, now seen corresponding path program 1 times [2022-12-14 12:24:45,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:24:45,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704603402] [2022-12-14 12:24:45,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:24:45,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:24:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:24:46,153 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 12:24:46,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:24:46,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704603402] [2022-12-14 12:24:46,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704603402] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:24:46,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:24:46,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:24:46,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352097118] [2022-12-14 12:24:46,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:24:46,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:24:46,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:24:46,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:24:46,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:24:46,155 INFO L87 Difference]: Start difference. First operand 4791 states and 6885 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 12:24:48,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:24:51,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:24:51,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:24:51,494 INFO L93 Difference]: Finished difference Result 9585 states and 13775 transitions. [2022-12-14 12:24:51,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:24:51,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 70 [2022-12-14 12:24:51,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:24:51,509 INFO L225 Difference]: With dead ends: 9585 [2022-12-14 12:24:51,510 INFO L226 Difference]: Without dead ends: 4795 [2022-12-14 12:24:51,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:24:51,519 INFO L413 NwaCegarLoop]: 2894 mSDtfsCounter, 3140 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3148 SdHoareTripleChecker+Valid, 2949 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:24:51,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3148 Valid, 2949 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 322 Invalid, 2 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 12:24:51,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4795 states. [2022-12-14 12:24:51,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4795 to 4787. [2022-12-14 12:24:51,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4787 states, 2953 states have (on average 1.3369454791737216) internal successors, (3948), 3035 states have internal predecessors, (3948), 1460 states have call successors, (1460), 370 states have call predecessors, (1460), 373 states have return successors, (1469), 1439 states have call predecessors, (1469), 1459 states have call successors, (1469) [2022-12-14 12:24:51,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4787 states to 4787 states and 6877 transitions. [2022-12-14 12:24:51,674 INFO L78 Accepts]: Start accepts. Automaton has 4787 states and 6877 transitions. Word has length 70 [2022-12-14 12:24:51,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:24:51,674 INFO L495 AbstractCegarLoop]: Abstraction has 4787 states and 6877 transitions. [2022-12-14 12:24:51,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 12:24:51,675 INFO L276 IsEmpty]: Start isEmpty. Operand 4787 states and 6877 transitions. [2022-12-14 12:24:51,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-14 12:24:51,679 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:24:51,679 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:24:51,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 12:24:51,679 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:24:51,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:24:51,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1814366140, now seen corresponding path program 1 times [2022-12-14 12:24:51,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:24:51,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427764479] [2022-12-14 12:24:51,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:24:51,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:24:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:24:52,056 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 12:24:52,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:24:52,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427764479] [2022-12-14 12:24:52,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427764479] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:24:52,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:24:52,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:24:52,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140707551] [2022-12-14 12:24:52,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:24:52,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:24:52,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:24:52,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:24:52,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:24:52,058 INFO L87 Difference]: Start difference. First operand 4787 states and 6877 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 12:24:54,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:24:55,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:24:55,968 INFO L93 Difference]: Finished difference Result 9569 states and 13747 transitions. [2022-12-14 12:24:55,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:24:55,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 73 [2022-12-14 12:24:55,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:24:55,984 INFO L225 Difference]: With dead ends: 9569 [2022-12-14 12:24:55,984 INFO L226 Difference]: Without dead ends: 4783 [2022-12-14 12:24:55,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:24:55,996 INFO L413 NwaCegarLoop]: 2888 mSDtfsCounter, 3177 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3181 SdHoareTripleChecker+Valid, 2893 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:24:55,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3181 Valid, 2893 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 316 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 12:24:56,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4783 states. [2022-12-14 12:24:56,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4783 to 4783. [2022-12-14 12:24:56,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4783 states, 2951 states have (on average 1.3364961030159268) internal successors, (3944), 3033 states have internal predecessors, (3944), 1458 states have call successors, (1458), 370 states have call predecessors, (1458), 373 states have return successors, (1467), 1437 states have call predecessors, (1467), 1457 states have call successors, (1467) [2022-12-14 12:24:56,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4783 states to 4783 states and 6869 transitions. [2022-12-14 12:24:56,171 INFO L78 Accepts]: Start accepts. Automaton has 4783 states and 6869 transitions. Word has length 73 [2022-12-14 12:24:56,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:24:56,172 INFO L495 AbstractCegarLoop]: Abstraction has 4783 states and 6869 transitions. [2022-12-14 12:24:56,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 12:24:56,172 INFO L276 IsEmpty]: Start isEmpty. Operand 4783 states and 6869 transitions. [2022-12-14 12:24:56,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-14 12:24:56,176 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:24:56,177 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-12-14 12:24:56,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 12:24:56,177 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:24:56,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:24:56,177 INFO L85 PathProgramCache]: Analyzing trace with hash 228736824, now seen corresponding path program 1 times [2022-12-14 12:24:56,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:24:56,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095788904] [2022-12-14 12:24:56,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:24:56,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:24:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:24:56,326 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 12:24:56,326 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:24:56,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095788904] [2022-12-14 12:24:56,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095788904] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:24:56,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:24:56,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:24:56,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014736620] [2022-12-14 12:24:56,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:24:56,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:24:56,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:24:56,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:24:56,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:24:56,328 INFO L87 Difference]: Start difference. First operand 4783 states and 6869 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 12:24:58,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:25:02,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:25:02,519 INFO L93 Difference]: Finished difference Result 14240 states and 20437 transitions. [2022-12-14 12:25:02,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:25:02,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 100 [2022-12-14 12:25:02,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:25:02,543 INFO L225 Difference]: With dead ends: 14240 [2022-12-14 12:25:02,543 INFO L226 Difference]: Without dead ends: 9458 [2022-12-14 12:25:02,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:25:02,553 INFO L413 NwaCegarLoop]: 3616 mSDtfsCounter, 3096 mSDsluCounter, 2859 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3100 SdHoareTripleChecker+Valid, 6475 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:25:02,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3100 Valid, 6475 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 656 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-12-14 12:25:02,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9458 states. [2022-12-14 12:25:02,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9458 to 9453. [2022-12-14 12:25:02,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9453 states, 5826 states have (on average 1.3350497768623413) internal successors, (7778), 5991 states have internal predecessors, (7778), 2883 states have call successors, (2883), 736 states have call predecessors, (2883), 743 states have return successors, (2902), 2841 states have call predecessors, (2902), 2882 states have call successors, (2902) [2022-12-14 12:25:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9453 states to 9453 states and 13563 transitions. [2022-12-14 12:25:02,895 INFO L78 Accepts]: Start accepts. Automaton has 9453 states and 13563 transitions. Word has length 100 [2022-12-14 12:25:02,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:25:02,895 INFO L495 AbstractCegarLoop]: Abstraction has 9453 states and 13563 transitions. [2022-12-14 12:25:02,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 12:25:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 9453 states and 13563 transitions. [2022-12-14 12:25:02,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 12:25:02,900 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:25:02,900 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-12-14 12:25:02,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 12:25:02,900 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:25:02,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:25:02,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1919549837, now seen corresponding path program 1 times [2022-12-14 12:25:02,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:25:02,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477160864] [2022-12-14 12:25:02,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:25:02,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:25:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:25:03,067 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 12:25:03,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:25:03,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477160864] [2022-12-14 12:25:03,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477160864] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:25:03,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:25:03,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:25:03,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96685189] [2022-12-14 12:25:03,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:25:03,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:25:03,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:25:03,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:25:03,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:25:03,069 INFO L87 Difference]: Start difference. First operand 9453 states and 13563 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 12:25:05,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:25:08,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:25:11,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:25:11,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:25:11,524 INFO L93 Difference]: Finished difference Result 28157 states and 40366 transitions. [2022-12-14 12:25:11,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:25:11,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 108 [2022-12-14 12:25:11,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:25:11,578 INFO L225 Difference]: With dead ends: 28157 [2022-12-14 12:25:11,578 INFO L226 Difference]: Without dead ends: 18705 [2022-12-14 12:25:11,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:25:11,604 INFO L413 NwaCegarLoop]: 3674 mSDtfsCounter, 3086 mSDsluCounter, 2859 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3090 SdHoareTripleChecker+Valid, 6533 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-12-14 12:25:11,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3090 Valid, 6533 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 658 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2022-12-14 12:25:11,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18705 states. [2022-12-14 12:25:12,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18705 to 18699. [2022-12-14 12:25:12,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18699 states, 11510 states have (on average 1.333275412684622) internal successors, (15346), 11841 states have internal predecessors, (15346), 5705 states have call successors, (5705), 1468 states have call predecessors, (5705), 1483 states have return successors, (5744), 5621 states have call predecessors, (5744), 5704 states have call successors, (5744) [2022-12-14 12:25:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18699 states to 18699 states and 26795 transitions. [2022-12-14 12:25:12,412 INFO L78 Accepts]: Start accepts. Automaton has 18699 states and 26795 transitions. Word has length 108 [2022-12-14 12:25:12,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:25:12,413 INFO L495 AbstractCegarLoop]: Abstraction has 18699 states and 26795 transitions. [2022-12-14 12:25:12,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 12:25:12,413 INFO L276 IsEmpty]: Start isEmpty. Operand 18699 states and 26795 transitions. [2022-12-14 12:25:12,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-14 12:25:12,417 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:25:12,417 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:25:12,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 12:25:12,417 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:25:12,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:25:12,418 INFO L85 PathProgramCache]: Analyzing trace with hash 2066909476, now seen corresponding path program 1 times [2022-12-14 12:25:12,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:25:12,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572884346] [2022-12-14 12:25:12,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:25:12,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:25:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:25:12,643 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:25:12,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:25:12,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572884346] [2022-12-14 12:25:12,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572884346] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:25:12,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:25:12,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:25:12,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968904196] [2022-12-14 12:25:12,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:25:12,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:25:12,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:25:12,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:25:12,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:25:12,645 INFO L87 Difference]: Start difference. First operand 18699 states and 26795 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 12:25:14,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:25:19,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:25:19,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:25:19,755 INFO L93 Difference]: Finished difference Result 55720 states and 79774 transitions. [2022-12-14 12:25:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:25:19,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 124 [2022-12-14 12:25:19,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:25:19,879 INFO L225 Difference]: With dead ends: 55720 [2022-12-14 12:25:19,879 INFO L226 Difference]: Without dead ends: 37022 [2022-12-14 12:25:19,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:25:19,927 INFO L413 NwaCegarLoop]: 3738 mSDtfsCounter, 3101 mSDsluCounter, 2859 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3105 SdHoareTripleChecker+Valid, 6597 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:25:19,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3105 Valid, 6597 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 663 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-12-14 12:25:19,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37022 states. [2022-12-14 12:25:21,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37022 to 37017. [2022-12-14 12:25:21,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37017 states, 22753 states have (on average 1.331209071331253) internal successors, (30289), 23416 states have internal predecessors, (30289), 11300 states have call successors, (11300), 2932 states have call predecessors, (11300), 2963 states have return successors, (11379), 11132 states have call predecessors, (11379), 11299 states have call successors, (11379) [2022-12-14 12:25:21,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37017 states to 37017 states and 52968 transitions. [2022-12-14 12:25:21,683 INFO L78 Accepts]: Start accepts. Automaton has 37017 states and 52968 transitions. Word has length 124 [2022-12-14 12:25:21,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:25:21,683 INFO L495 AbstractCegarLoop]: Abstraction has 37017 states and 52968 transitions. [2022-12-14 12:25:21,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 12:25:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 37017 states and 52968 transitions. [2022-12-14 12:25:21,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-14 12:25:21,688 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:25:21,688 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:25:21,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 12:25:21,688 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:25:21,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:25:21,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1421824396, now seen corresponding path program 1 times [2022-12-14 12:25:21,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:25:21,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012142713] [2022-12-14 12:25:21,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:25:21,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:25:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:25:21,899 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:25:21,899 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:25:21,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012142713] [2022-12-14 12:25:21,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012142713] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:25:21,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:25:21,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:25:21,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420373449] [2022-12-14 12:25:21,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:25:21,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:25:21,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:25:21,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:25:21,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:25:21,901 INFO L87 Difference]: Start difference. First operand 37017 states and 52968 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 12:25:24,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:25:29,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:25:31,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:25:31,177 INFO L93 Difference]: Finished difference Result 108062 states and 154491 transitions. [2022-12-14 12:25:31,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:25:31,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 124 [2022-12-14 12:25:31,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:25:31,448 INFO L225 Difference]: With dead ends: 108062 [2022-12-14 12:25:31,449 INFO L226 Difference]: Without dead ends: 71046 [2022-12-14 12:25:31,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:25:31,558 INFO L413 NwaCegarLoop]: 3912 mSDtfsCounter, 2967 mSDsluCounter, 2812 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2975 SdHoareTripleChecker+Valid, 6724 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:25:31,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2975 Valid, 6724 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 730 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-12-14 12:25:31,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71046 states. [2022-12-14 12:25:34,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71046 to 70945. [2022-12-14 12:25:34,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70945 states, 43481 states have (on average 1.327499367539845) internal successors, (57721), 44840 states have internal predecessors, (57721), 21732 states have call successors, (21732), 5668 states have call predecessors, (21732), 5731 states have return successors, (21955), 21364 states have call predecessors, (21955), 21731 states have call successors, (21955) [2022-12-14 12:25:34,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70945 states to 70945 states and 101408 transitions. [2022-12-14 12:25:34,763 INFO L78 Accepts]: Start accepts. Automaton has 70945 states and 101408 transitions. Word has length 124 [2022-12-14 12:25:34,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:25:34,763 INFO L495 AbstractCegarLoop]: Abstraction has 70945 states and 101408 transitions. [2022-12-14 12:25:34,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 12:25:34,764 INFO L276 IsEmpty]: Start isEmpty. Operand 70945 states and 101408 transitions. [2022-12-14 12:25:34,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-14 12:25:34,769 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:25:34,769 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:25:34,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 12:25:34,769 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:25:34,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:25:34,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1591614409, now seen corresponding path program 1 times [2022-12-14 12:25:34,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:25:34,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799381580] [2022-12-14 12:25:34,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:25:34,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:25:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:25:34,935 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-14 12:25:34,936 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:25:34,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799381580] [2022-12-14 12:25:34,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799381580] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:25:34,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:25:34,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:25:34,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620648276] [2022-12-14 12:25:34,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:25:34,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:25:34,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:25:34,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:25:34,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:25:34,938 INFO L87 Difference]: Start difference. First operand 70945 states and 101408 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 12:25:37,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:25:42,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:25:45,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:25:47,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:25:47,399 INFO L93 Difference]: Finished difference Result 209033 states and 297955 transitions. [2022-12-14 12:25:47,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:25:47,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 133 [2022-12-14 12:25:47,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:25:47,920 INFO L225 Difference]: With dead ends: 209033 [2022-12-14 12:25:47,921 INFO L226 Difference]: Without dead ends: 138089 [2022-12-14 12:25:48,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:25:48,110 INFO L413 NwaCegarLoop]: 3585 mSDtfsCounter, 2984 mSDsluCounter, 2797 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2988 SdHoareTripleChecker+Valid, 6382 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-12-14 12:25:48,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2988 Valid, 6382 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 720 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-12-14 12:25:48,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138089 states. [2022-12-14 12:25:54,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138089 to 138083. [2022-12-14 12:25:54,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138083 states, 84322 states have (on average 1.3210550034391975) internal successors, (111394), 87041 states have internal predecessors, (111394), 42335 states have call successors, (42335), 11298 states have call predecessors, (42335), 11425 states have return successors, (42782), 41599 states have call predecessors, (42782), 42334 states have call successors, (42782) [2022-12-14 12:25:55,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138083 states to 138083 states and 196511 transitions. [2022-12-14 12:25:55,612 INFO L78 Accepts]: Start accepts. Automaton has 138083 states and 196511 transitions. Word has length 133 [2022-12-14 12:25:55,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:25:55,612 INFO L495 AbstractCegarLoop]: Abstraction has 138083 states and 196511 transitions. [2022-12-14 12:25:55,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 12:25:55,613 INFO L276 IsEmpty]: Start isEmpty. Operand 138083 states and 196511 transitions. [2022-12-14 12:25:55,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-12-14 12:25:55,688 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:25:55,688 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 12:25:55,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 12:25:55,688 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:25:55,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:25:55,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1553682413, now seen corresponding path program 1 times [2022-12-14 12:25:55,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:25:55,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531791818] [2022-12-14 12:25:55,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:25:55,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:25:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:25:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-14 12:25:57,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:25:57,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531791818] [2022-12-14 12:25:57,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531791818] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:25:57,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:25:57,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 12:25:57,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196302320] [2022-12-14 12:25:57,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:25:57,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 12:25:57,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:25:57,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 12:25:57,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:25:57,113 INFO L87 Difference]: Start difference. First operand 138083 states and 196511 transitions. Second operand has 6 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 12:25:59,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:26:06,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:26:09,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:26:11,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:26:15,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:26:15,248 INFO L93 Difference]: Finished difference Result 276549 states and 395325 transitions. [2022-12-14 12:26:15,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:26:15,249 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 169 [2022-12-14 12:26:15,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:26:15,846 INFO L225 Difference]: With dead ends: 276549 [2022-12-14 12:26:15,846 INFO L226 Difference]: Without dead ends: 138467 [2022-12-14 12:26:16,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:26:16,219 INFO L413 NwaCegarLoop]: 2889 mSDtfsCounter, 3 mSDsluCounter, 11531 mSDsCounter, 0 mSdLazyCounter, 1593 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 14420 SdHoareTripleChecker+Invalid, 1594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1593 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-12-14 12:26:16,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 14420 Invalid, 1594 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1593 Invalid, 1 Unknown, 0 Unchecked, 12.5s Time] [2022-12-14 12:26:16,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138467 states. [2022-12-14 12:26:21,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138467 to 138339. [2022-12-14 12:26:21,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138339 states, 84514 states have (on average 1.3203256265234162) internal successors, (111586), 87233 states have internal predecessors, (111586), 42335 states have call successors, (42335), 11298 states have call predecessors, (42335), 11489 states have return successors, (43230), 41663 states have call predecessors, (43230), 42334 states have call successors, (43230) [2022-12-14 12:26:22,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138339 states to 138339 states and 197151 transitions. [2022-12-14 12:26:22,395 INFO L78 Accepts]: Start accepts. Automaton has 138339 states and 197151 transitions. Word has length 169 [2022-12-14 12:26:22,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:26:22,396 INFO L495 AbstractCegarLoop]: Abstraction has 138339 states and 197151 transitions. [2022-12-14 12:26:22,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 12:26:22,396 INFO L276 IsEmpty]: Start isEmpty. Operand 138339 states and 197151 transitions. [2022-12-14 12:26:22,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-12-14 12:26:22,494 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:26:22,495 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 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] [2022-12-14 12:26:22,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 12:26:22,495 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:26:22,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:26:22,495 INFO L85 PathProgramCache]: Analyzing trace with hash 631287971, now seen corresponding path program 1 times [2022-12-14 12:26:22,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:26:22,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272360306] [2022-12-14 12:26:22,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:26:22,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:26:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:26:24,662 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 45 proven. 6 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-12-14 12:26:24,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:26:24,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272360306] [2022-12-14 12:26:24,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272360306] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:26:24,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211967232] [2022-12-14 12:26:24,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:26:24,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:26:24,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:26:24,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:26:24,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:26:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:26:25,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 5512 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 12:26:25,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:26:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2022-12-14 12:26:25,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:26:25,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211967232] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:26:25,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:26:25,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [16] total 18 [2022-12-14 12:26:25,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921180784] [2022-12-14 12:26:25,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:26:25,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:26:25,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:26:25,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:26:25,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2022-12-14 12:26:25,627 INFO L87 Difference]: Start difference. First operand 138339 states and 197151 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 12:26:28,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:26:36,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:26:38,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:26:39,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:26:43,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:26:48,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:26:48,313 INFO L93 Difference]: Finished difference Result 412223 states and 587765 transitions. [2022-12-14 12:26:48,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:26:48,314 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 180 [2022-12-14 12:26:48,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:26:49,447 INFO L225 Difference]: With dead ends: 412223 [2022-12-14 12:26:49,447 INFO L226 Difference]: Without dead ends: 273693 [2022-12-14 12:26:49,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2022-12-14 12:26:49,999 INFO L413 NwaCegarLoop]: 5717 mSDtfsCounter, 3124 mSDsluCounter, 8598 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3132 SdHoareTripleChecker+Valid, 14315 SdHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:26:50,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3132 Valid, 14315 Invalid, 1545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1542 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2022-12-14 12:26:50,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273693 states. [2022-12-14 12:27:00,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273693 to 240059. [2022-12-14 12:27:00,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240059 states, 146770 states have (on average 1.3224092116917627) internal successors, (194090), 151601 states have internal predecessors, (194090), 73487 states have call successors, (73487), 19466 states have call predecessors, (73487), 19801 states have return successors, (75150), 72239 states have call predecessors, (75150), 73486 states have call successors, (75150) [2022-12-14 12:27:01,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240059 states to 240059 states and 342727 transitions. [2022-12-14 12:27:01,983 INFO L78 Accepts]: Start accepts. Automaton has 240059 states and 342727 transitions. Word has length 180 [2022-12-14 12:27:01,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:27:01,983 INFO L495 AbstractCegarLoop]: Abstraction has 240059 states and 342727 transitions. [2022-12-14 12:27:01,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 12:27:01,984 INFO L276 IsEmpty]: Start isEmpty. Operand 240059 states and 342727 transitions. [2022-12-14 12:27:02,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-12-14 12:27:02,010 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:27:02,010 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-12-14 12:27:02,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:27:02,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-14 12:27:02,213 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:27:02,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:27:02,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1571254358, now seen corresponding path program 1 times [2022-12-14 12:27:02,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:27:02,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898592782] [2022-12-14 12:27:02,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:27:02,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:27:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:27:02,828 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 12:27:02,828 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:27:02,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898592782] [2022-12-14 12:27:02,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898592782] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:27:02,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:27:02,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:27:02,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322022299] [2022-12-14 12:27:02,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:27:02,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:27:02,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:27:02,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:27:02,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:27:02,831 INFO L87 Difference]: Start difference. First operand 240059 states and 342727 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 12:27:05,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:27:12,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:27:18,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:27:18,600 INFO L93 Difference]: Finished difference Result 479893 states and 685117 transitions. [2022-12-14 12:27:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:27:18,601 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), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 187 [2022-12-14 12:27:18,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:27:19,690 INFO L225 Difference]: With dead ends: 479893 [2022-12-14 12:27:19,690 INFO L226 Difference]: Without dead ends: 239835 [2022-12-14 12:27:20,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:27:20,353 INFO L413 NwaCegarLoop]: 2883 mSDtfsCounter, 3172 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3176 SdHoareTripleChecker+Valid, 2888 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:27:20,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3176 Valid, 2888 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 316 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 12:27:20,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239835 states. [2022-12-14 12:27:31,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239835 to 239835. [2022-12-14 12:27:31,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239835 states, 146658 states have (on average 1.3218917481487542) internal successors, (193866), 151489 states have internal predecessors, (193866), 73375 states have call successors, (73375), 19466 states have call predecessors, (73375), 19801 states have return successors, (75038), 72127 states have call predecessors, (75038), 73374 states have call successors, (75038) [2022-12-14 12:27:32,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239835 states to 239835 states and 342279 transitions. [2022-12-14 12:27:32,545 INFO L78 Accepts]: Start accepts. Automaton has 239835 states and 342279 transitions. Word has length 187 [2022-12-14 12:27:32,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:27:32,545 INFO L495 AbstractCegarLoop]: Abstraction has 239835 states and 342279 transitions. [2022-12-14 12:27:32,545 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), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 12:27:32,545 INFO L276 IsEmpty]: Start isEmpty. Operand 239835 states and 342279 transitions. [2022-12-14 12:27:32,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-12-14 12:27:32,569 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:27:32,569 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-12-14 12:27:32,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 12:27:32,569 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:27:32,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:27:32,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1616186451, now seen corresponding path program 1 times [2022-12-14 12:27:32,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:27:32,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48508816] [2022-12-14 12:27:32,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:27:32,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:27:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:27:33,055 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 12:27:33,055 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:27:33,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48508816] [2022-12-14 12:27:33,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48508816] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:27:33,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:27:33,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:27:33,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963076136] [2022-12-14 12:27:33,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:27:33,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:27:33,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:27:33,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:27:33,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:27:33,057 INFO L87 Difference]: Start difference. First operand 239835 states and 342279 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 12:27:35,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:27:42,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:27:49,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:27:49,609 INFO L93 Difference]: Finished difference Result 479573 states and 684413 transitions. [2022-12-14 12:27:49,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:27:49,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 189 [2022-12-14 12:27:49,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:27:50,797 INFO L225 Difference]: With dead ends: 479573 [2022-12-14 12:27:50,797 INFO L226 Difference]: Without dead ends: 239739 [2022-12-14 12:27:51,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:27:51,589 INFO L413 NwaCegarLoop]: 2881 mSDtfsCounter, 3122 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3130 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:27:51,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3130 Valid, 2936 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 322 Invalid, 2 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 12:27:51,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239739 states. [2022-12-14 12:28:01,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239739 to 205843. [2022-12-14 12:28:02,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205843 states, 125858 states have (on average 1.3204881692065662) internal successors, (166194), 130049 states have internal predecessors, (166194), 62895 states have call successors, (62895), 16738 states have call predecessors, (62895), 17089 states have return successors, (64430), 61839 states have call predecessors, (64430), 62894 states have call successors, (64430) [2022-12-14 12:28:02,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205843 states to 205843 states and 293519 transitions. [2022-12-14 12:28:02,967 INFO L78 Accepts]: Start accepts. Automaton has 205843 states and 293519 transitions. Word has length 189 [2022-12-14 12:28:02,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:02,967 INFO L495 AbstractCegarLoop]: Abstraction has 205843 states and 293519 transitions. [2022-12-14 12:28:02,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 12:28:02,967 INFO L276 IsEmpty]: Start isEmpty. Operand 205843 states and 293519 transitions. [2022-12-14 12:28:02,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-12-14 12:28:02,991 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:02,991 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-12-14 12:28:02,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 12:28:02,992 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:28:02,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:02,992 INFO L85 PathProgramCache]: Analyzing trace with hash 926845722, now seen corresponding path program 1 times [2022-12-14 12:28:02,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:02,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031801044] [2022-12-14 12:28:02,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:02,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:03,556 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 12:28:03,556 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:03,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031801044] [2022-12-14 12:28:03,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031801044] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:03,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:03,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:28:03,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976143662] [2022-12-14 12:28:03,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:03,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:28:03,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:03,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:28:03,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:28:03,558 INFO L87 Difference]: Start difference. First operand 205843 states and 293519 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 12:28:05,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:28:12,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:28:19,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:19,476 INFO L93 Difference]: Finished difference Result 411493 states and 586749 transitions. [2022-12-14 12:28:19,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:28:19,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 188 [2022-12-14 12:28:19,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:20,318 INFO L225 Difference]: With dead ends: 411493 [2022-12-14 12:28:20,318 INFO L226 Difference]: Without dead ends: 205651 [2022-12-14 12:28:21,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:28:21,007 INFO L413 NwaCegarLoop]: 2875 mSDtfsCounter, 3163 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3167 SdHoareTripleChecker+Valid, 2880 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:21,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3167 Valid, 2880 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 316 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-12-14 12:28:21,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205651 states. [2022-12-14 12:28:32,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205651 to 205651. [2022-12-14 12:28:32,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205651 states, 125762 states have (on average 1.3199694661344443) internal successors, (166002), 129953 states have internal predecessors, (166002), 62799 states have call successors, (62799), 16738 states have call predecessors, (62799), 17089 states have return successors, (64334), 61743 states have call predecessors, (64334), 62798 states have call successors, (64334) [2022-12-14 12:28:33,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205651 states to 205651 states and 293135 transitions. [2022-12-14 12:28:33,433 INFO L78 Accepts]: Start accepts. Automaton has 205651 states and 293135 transitions. Word has length 188 [2022-12-14 12:28:33,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:33,433 INFO L495 AbstractCegarLoop]: Abstraction has 205651 states and 293135 transitions. [2022-12-14 12:28:33,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 12:28:33,434 INFO L276 IsEmpty]: Start isEmpty. Operand 205651 states and 293135 transitions. [2022-12-14 12:28:33,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-12-14 12:28:33,458 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:33,459 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:33,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 12:28:33,459 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:28:33,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:33,460 INFO L85 PathProgramCache]: Analyzing trace with hash -477982237, now seen corresponding path program 1 times [2022-12-14 12:28:33,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:33,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300553945] [2022-12-14 12:28:33,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:33,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 12:28:33,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:33,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300553945] [2022-12-14 12:28:33,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300553945] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:33,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:33,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:28:33,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558956514] [2022-12-14 12:28:33,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:33,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:28:33,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:33,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:28:33,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:28:33,834 INFO L87 Difference]: Start difference. First operand 205651 states and 293135 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 12:28:38,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:28:40,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:28:45,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:45,427 INFO L93 Difference]: Finished difference Result 319833 states and 452821 transitions. [2022-12-14 12:28:45,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:28:45,428 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), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 186 [2022-12-14 12:28:45,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:45,818 INFO L225 Difference]: With dead ends: 319833 [2022-12-14 12:28:45,818 INFO L226 Difference]: Without dead ends: 114183 [2022-12-14 12:28:46,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:28:46,351 INFO L413 NwaCegarLoop]: 2232 mSDtfsCounter, 2430 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2436 SdHoareTripleChecker+Valid, 2287 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:46,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2436 Valid, 2287 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 274 Invalid, 2 Unknown, 0 Unchecked, 4.9s Time] [2022-12-14 12:28:46,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114183 states. [2022-12-14 12:28:52,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114183 to 113915. [2022-12-14 12:28:52,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113915 states, 70345 states have (on average 1.3245433221977396) internal successors, (93175), 72140 states have internal predecessors, (93175), 32722 states have call successors, (32722), 10672 states have call predecessors, (32722), 10847 states have return successors, (33201), 32170 states have call predecessors, (33201), 32721 states have call successors, (33201) [2022-12-14 12:28:52,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113915 states to 113915 states and 159098 transitions. [2022-12-14 12:28:52,648 INFO L78 Accepts]: Start accepts. Automaton has 113915 states and 159098 transitions. Word has length 186 [2022-12-14 12:28:52,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:52,649 INFO L495 AbstractCegarLoop]: Abstraction has 113915 states and 159098 transitions. [2022-12-14 12:28:52,649 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), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 12:28:52,649 INFO L276 IsEmpty]: Start isEmpty. Operand 113915 states and 159098 transitions. [2022-12-14 12:28:52,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-12-14 12:28:52,711 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:52,711 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 4, 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] [2022-12-14 12:28:52,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 12:28:52,712 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:28:52,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:52,712 INFO L85 PathProgramCache]: Analyzing trace with hash -413386687, now seen corresponding path program 1 times [2022-12-14 12:28:52,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:52,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838224717] [2022-12-14 12:28:52,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:52,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:53,040 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-12-14 12:28:53,041 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:53,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838224717] [2022-12-14 12:28:53,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838224717] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:53,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:53,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:28:53,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908425696] [2022-12-14 12:28:53,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:53,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:28:53,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:53,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:28:53,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:28:53,042 INFO L87 Difference]: Start difference. First operand 113915 states and 159098 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 12:28:56,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:29:04,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:29:08,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:29:08,543 INFO L93 Difference]: Finished difference Result 304849 states and 426158 transitions. [2022-12-14 12:29:08,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:29:08,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 205 [2022-12-14 12:29:08,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:29:09,252 INFO L225 Difference]: With dead ends: 304849 [2022-12-14 12:29:09,252 INFO L226 Difference]: Without dead ends: 190935 [2022-12-14 12:29:09,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:29:09,537 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 2411 mSDsluCounter, 2159 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2413 SdHoareTripleChecker+Valid, 4976 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-14 12:29:09,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2413 Valid, 4976 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 563 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-12-14 12:29:09,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190935 states. [2022-12-14 12:29:19,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190935 to 190931. [2022-12-14 12:29:19,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190931 states, 118211 states have (on average 1.3225418954242838) internal successors, (156339), 121246 states have internal predecessors, (156339), 54600 states have call successors, (54600), 17832 states have call predecessors, (54600), 18119 states have return successors, (55415), 53680 states have call predecessors, (55415), 54599 states have call successors, (55415) [2022-12-14 12:29:20,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190931 states to 190931 states and 266354 transitions. [2022-12-14 12:29:20,438 INFO L78 Accepts]: Start accepts. Automaton has 190931 states and 266354 transitions. Word has length 205 [2022-12-14 12:29:20,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:29:20,438 INFO L495 AbstractCegarLoop]: Abstraction has 190931 states and 266354 transitions. [2022-12-14 12:29:20,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 12:29:20,438 INFO L276 IsEmpty]: Start isEmpty. Operand 190931 states and 266354 transitions. [2022-12-14 12:29:20,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-12-14 12:29:20,476 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:29:20,477 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 4, 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] [2022-12-14 12:29:20,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 12:29:20,477 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:29:20,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:29:20,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1497484723, now seen corresponding path program 1 times [2022-12-14 12:29:20,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:29:20,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505442576] [2022-12-14 12:29:20,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:29:20,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:29:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:29:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 45 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-12-14 12:29:22,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:29:22,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505442576] [2022-12-14 12:29:22,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505442576] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:29:22,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913152667] [2022-12-14 12:29:22,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:29:22,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:29:22,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:29:22,489 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:29:22,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 12:29:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:29:23,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 5717 conjuncts, 45 conjunts are in the unsatisfiable core [2022-12-14 12:29:23,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:29:23,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:29:23,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-12-14 12:29:23,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 12:29:24,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:29:24,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-12-14 12:29:24,071 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 12:29:24,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 12:29:24,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 12:29:24,175 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-12-14 12:29:24,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:29:24,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913152667] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:29:24,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:29:24,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [16] total 25 [2022-12-14 12:29:24,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987161690] [2022-12-14 12:29:24,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:29:24,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-14 12:29:24,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:29:24,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-14 12:29:24,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2022-12-14 12:29:24,177 INFO L87 Difference]: Start difference. First operand 190931 states and 266354 transitions. Second operand has 18 states, 15 states have (on average 5.333333333333333) internal successors, (80), 14 states have internal predecessors, (80), 7 states have call successors, (32), 7 states have call predecessors, (32), 7 states have return successors, (26), 8 states have call predecessors, (26), 7 states have call successors, (26) [2022-12-14 12:29:26,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 12:29:51,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 12:30:03,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:30:18,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 12:30:20,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 12:30:45,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:30:45,810 INFO L93 Difference]: Finished difference Result 598494 states and 858011 transitions. [2022-12-14 12:30:45,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-14 12:30:45,812 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 5.333333333333333) internal successors, (80), 14 states have internal predecessors, (80), 7 states have call successors, (32), 7 states have call predecessors, (32), 7 states have return successors, (26), 8 states have call predecessors, (26), 7 states have call successors, (26) Word has length 204 [2022-12-14 12:30:45,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:30:47,674 INFO L225 Difference]: With dead ends: 598494 [2022-12-14 12:30:47,674 INFO L226 Difference]: Without dead ends: 407564 [2022-12-14 12:30:48,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 198 SyntacticMatches, 5 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=260, Invalid=1462, Unknown=0, NotChecked=0, Total=1722 [2022-12-14 12:30:48,355 INFO L413 NwaCegarLoop]: 2644 mSDtfsCounter, 3084 mSDsluCounter, 22519 mSDsCounter, 0 mSdLazyCounter, 21444 mSolverCounterSat, 1335 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 25163 SdHoareTripleChecker+Invalid, 22783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1335 IncrementalHoareTripleChecker+Valid, 21444 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:30:48,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3413 Valid, 25163 Invalid, 22783 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1335 Valid, 21444 Invalid, 4 Unknown, 0 Unchecked, 56.1s Time] [2022-12-14 12:30:48,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407564 states. [2022-12-14 12:31:11,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407564 to 361462. [2022-12-14 12:31:11,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361462 states, 227200 states have (on average 1.362649647887324) internal successors, (309594), 237746 states have internal predecessors, (309594), 96661 states have call successors, (96661), 36708 states have call predecessors, (96661), 37600 states have return successors, (114893), 89851 states have call predecessors, (114893), 96660 states have call successors, (114893) [2022-12-14 12:31:13,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361462 states to 361462 states and 521148 transitions. [2022-12-14 12:31:13,376 INFO L78 Accepts]: Start accepts. Automaton has 361462 states and 521148 transitions. Word has length 204 [2022-12-14 12:31:13,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:31:13,377 INFO L495 AbstractCegarLoop]: Abstraction has 361462 states and 521148 transitions. [2022-12-14 12:31:13,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 5.333333333333333) internal successors, (80), 14 states have internal predecessors, (80), 7 states have call successors, (32), 7 states have call predecessors, (32), 7 states have return successors, (26), 8 states have call predecessors, (26), 7 states have call successors, (26) [2022-12-14 12:31:13,377 INFO L276 IsEmpty]: Start isEmpty. Operand 361462 states and 521148 transitions. [2022-12-14 12:31:13,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-12-14 12:31:13,448 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:31:13,448 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 4, 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] [2022-12-14 12:31:13,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 12:31:13,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-12-14 12:31:13,650 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:31:13,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:31:13,651 INFO L85 PathProgramCache]: Analyzing trace with hash -19252349, now seen corresponding path program 1 times [2022-12-14 12:31:13,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:31:13,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553132972] [2022-12-14 12:31:13,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:31:13,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:31:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:31:16,294 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 46 proven. 7 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-12-14 12:31:16,294 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:31:16,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553132972] [2022-12-14 12:31:16,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553132972] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:31:16,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425123718] [2022-12-14 12:31:16,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:31:16,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:31:16,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:31:16,296 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:31:16,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d01ae0-4799-4690-8e6d-bec5f5897fb6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 12:31:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:31:17,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 5732 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-14 12:31:17,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:31:17,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:31:17,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 12:31:17,591 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-12-14 12:31:17,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:31:17,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2022-12-14 12:31:17,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2022-12-14 12:31:17,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2022-12-14 12:31:17,943 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-12-14 12:31:17,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425123718] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:31:17,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [90126755] [2022-12-14 12:31:17,961 INFO L159 IcfgInterpreter]: Started Sifa with 110 locations of interest [2022-12-14 12:31:17,961 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:31:17,964 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:31:17,967 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:31:17,968 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:34:11,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:34:12,116 INFO L217 Elim1Store]: Index analysis took 1228 ms