./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 04a4b1f21e140a71b13d0aa3889e8a2db465377126c9603026e75e43052ee15d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:48:39,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:48:39,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:48:39,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:48:39,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:48:39,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:48:39,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:48:39,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:48:39,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:48:39,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:48:39,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:48:39,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:48:39,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:48:39,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:48:39,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:48:39,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:48:39,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:48:39,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:48:39,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:48:39,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:48:39,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:48:39,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:48:39,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:48:39,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:48:39,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:48:39,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:48:39,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:48:39,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:48:39,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:48:39,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:48:39,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:48:39,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:48:39,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:48:39,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:48:39,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:48:39,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:48:39,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:48:39,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:48:39,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:48:39,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:48:39,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:48:39,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:48:39,613 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:48:39,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:48:39,618 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:48:39,618 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:48:39,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:48:39,620 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:48:39,620 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:48:39,620 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:48:39,621 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:48:39,621 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:48:39,622 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:48:39,622 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:48:39,622 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:48:39,622 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:48:39,623 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:48:39,623 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:48:39,623 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:48:39,623 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:48:39,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:48:39,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:48:39,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:48:39,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:48:39,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:48:39,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:48:39,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:48:39,625 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:48:39,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:48:39,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:48:39,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:48:39,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:48:39,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:48:39,627 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:48:39,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:48:39,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:48:39,628 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:48:39,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:48:39,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:48:39,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:48:39,629 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_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04a4b1f21e140a71b13d0aa3889e8a2db465377126c9603026e75e43052ee15d [2022-11-25 23:48:39,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:48:39,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:48:39,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:48:39,981 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:48:39,982 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:48:39,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i [2022-11-25 23:48:43,173 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:48:43,905 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:48:43,905 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i [2022-11-25 23:48:43,954 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/data/13cf1103a/8cb9b1b824d045408afe86d36a225c6d/FLAG7590d0227 [2022-11-25 23:48:43,971 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/data/13cf1103a/8cb9b1b824d045408afe86d36a225c6d [2022-11-25 23:48:43,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:48:43,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:48:43,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:48:43,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:48:43,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:48:43,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:48:43" (1/1) ... [2022-11-25 23:48:43,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439f6fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:48:43, skipping insertion in model container [2022-11-25 23:48:43,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:48:43" (1/1) ... [2022-11-25 23:48:43,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:48:44,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:48:44,835 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:48:45,119 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:48:45,125 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:48:45,131 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:48:45,265 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:48:45,270 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:48:45,272 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:48:45,274 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 23:48:45,285 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:48:45,285 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:48:45,296 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 23:48:45,398 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-11-25 23:48:45,545 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_flags [2022-11-25 23:48:45,588 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:48:45,633 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:48:45,633 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:48:45,642 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:48:45,643 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,159 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_ref [2022-11-25 23:48:46,166 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_deref [2022-11-25 23:48:46,171 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,181 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,182 WARN L623 FunctionHandler]: Unknown extern function tty_port_install [2022-11-25 23:48:46,187 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,188 WARN L623 FunctionHandler]: Unknown extern function tty_hung_up_p [2022-11-25 23:48:46,190 WARN L623 FunctionHandler]: Unknown extern function interruptible_sleep_on [2022-11-25 23:48:46,192 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,202 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,203 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,213 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,214 WARN L623 FunctionHandler]: Unknown extern function tty_port_close_start [2022-11-25 23:48:46,215 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_flush [2022-11-25 23:48:46,216 WARN L623 FunctionHandler]: Unknown extern function tty_port_close_end [2022-11-25 23:48:46,218 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,222 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,227 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,230 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:48:46,232 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,236 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,241 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,245 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,254 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,261 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,269 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,272 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,278 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,281 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,289 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,295 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-25 23:48:46,295 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-25 23:48:46,298 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-25 23:48:46,298 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-25 23:48:46,300 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,317 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,318 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,322 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,324 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,325 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:48:46,328 WARN L623 FunctionHandler]: Unknown extern function tty_wakeup [2022-11-25 23:48:46,332 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,333 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,337 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,338 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,341 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,356 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,371 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:46,373 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,377 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:48:46,378 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:48:46,379 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:48:46,381 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:48:46,382 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:48:46,383 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:48:46,384 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:46,385 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:46,385 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:46,386 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:46,386 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:46,387 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:46,388 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:46,388 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:46,389 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:46,390 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:46,391 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:46,392 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:46,393 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:46,393 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:46,399 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:46,405 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-25 23:48:46,407 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,409 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,411 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,415 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,417 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,418 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,432 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,433 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:48:46,434 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,440 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,440 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-11-25 23:48:46,441 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,441 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,442 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,443 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,444 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:48:46,444 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:48:46,450 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,451 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-11-25 23:48:46,451 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,457 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,458 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-11-25 23:48:46,460 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:48:46,463 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-11-25 23:48:46,468 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,469 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,471 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,472 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:48:46,473 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 23:48:46,474 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-11-25 23:48:46,474 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,476 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,477 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-11-25 23:48:46,478 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,480 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,482 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,483 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,484 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,485 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,486 WARN L623 FunctionHandler]: Unknown extern function tty_wakeup [2022-11-25 23:48:46,487 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,488 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,491 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,493 WARN L623 FunctionHandler]: Unknown extern function do_SAK [2022-11-25 23:48:46,494 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:48:46,520 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,521 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,525 WARN L623 FunctionHandler]: Unknown extern function tty_flip_buffer_push [2022-11-25 23:48:46,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,533 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:48:46,535 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,537 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,541 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,543 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,544 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,546 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,547 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,550 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:48:46,550 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:48:46,551 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:48:46,551 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:48:46,552 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,553 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:48:46,553 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,554 WARN L623 FunctionHandler]: Unknown extern function tty_hangup [2022-11-25 23:48:46,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,556 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,567 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,568 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,569 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,577 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,577 WARN L623 FunctionHandler]: Unknown extern function schedule_work [2022-11-25 23:48:46,578 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,579 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,581 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,582 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 23:48:46,582 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:48:46,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,588 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:48:46,588 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:48:46,588 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:48:46,588 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:48:46,589 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:48:46,589 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,593 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,596 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,601 WARN L623 FunctionHandler]: Unknown extern function tty_get_baud_rate [2022-11-25 23:48:46,607 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,611 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,612 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,614 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,615 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,616 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,618 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,620 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,620 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,621 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,622 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,623 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,623 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,625 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,626 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,629 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,629 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,641 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:48:46,641 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 23:48:46,641 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:48:46,643 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,644 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:48:46,649 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 23:48:46,650 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:48:46,650 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,651 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:48:46,654 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,655 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 23:48:46,656 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:48:46,656 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:48:46,656 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,658 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:48:46,660 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 23:48:46,660 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:48:46,662 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,665 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,667 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,669 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,674 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,681 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,683 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 23:48:46,683 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,684 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,684 WARN L623 FunctionHandler]: Unknown extern function tty_hung_up_p [2022-11-25 23:48:46,688 WARN L623 FunctionHandler]: Unknown extern function tty_port_raise_dtr_rts [2022-11-25 23:48:46,688 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:48:46,689 WARN L623 FunctionHandler]: Unknown extern function tty_hung_up_p [2022-11-25 23:48:46,689 WARN L623 FunctionHandler]: Unknown extern function tty_port_carrier_raised [2022-11-25 23:48:46,690 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,691 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-11-25 23:48:46,691 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:48:46,691 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-11-25 23:48:46,692 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:48:46,692 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 23:48:46,693 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,696 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,697 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,699 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,707 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:48:46,708 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 23:48:46,709 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,710 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 23:48:46,712 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,715 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 23:48:46,715 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,716 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 23:48:46,717 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,717 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 23:48:46,718 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,721 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 23:48:46,722 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,722 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 23:48:46,723 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,724 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 23:48:46,725 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,727 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,728 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,729 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:48:46,729 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 23:48:46,730 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 23:48:46,730 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 23:48:46,731 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 23:48:46,731 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:48:46,732 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:48:46,732 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:48:46,733 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:48:46,734 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,739 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:48:46,742 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,748 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,751 WARN L623 FunctionHandler]: Unknown extern function tty_port_init [2022-11-25 23:48:46,752 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:48:46,752 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:48:46,753 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:48:46,753 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:48:46,754 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:48:46,764 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:48:46,765 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:48:46,767 WARN L623 FunctionHandler]: Unknown extern function tty_port_destroy [2022-11-25 23:48:46,767 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:48:46,769 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:48:46,777 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,785 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_driver [2022-11-25 23:48:46,785 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,785 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-11-25 23:48:46,790 WARN L623 FunctionHandler]: Unknown extern function tty_port_destroy [2022-11-25 23:48:46,790 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:48:46,790 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 23:48:46,795 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,796 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 23:48:46,796 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,800 WARN L623 FunctionHandler]: Unknown extern function tty_set_operations [2022-11-25 23:48:46,800 WARN L623 FunctionHandler]: Unknown extern function tty_register_driver [2022-11-25 23:48:46,800 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,801 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-11-25 23:48:46,801 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,811 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,842 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,845 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,848 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 23:48:46,848 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:48:46,849 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,850 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:48:46,884 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,886 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,889 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,893 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,897 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,898 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-25 23:48:46,899 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,908 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,909 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-25 23:48:46,910 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:48:46,911 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,912 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,913 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,914 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,915 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,916 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,917 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,917 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,918 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,919 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,920 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,921 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,922 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,922 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,927 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,927 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,928 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,929 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,929 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,930 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,930 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,931 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,932 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,934 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:46,936 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 23:48:46,936 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:48:46,941 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:48:46,942 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:46,990 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-25 23:48:46,990 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 23:48:46,991 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 23:48:47,001 WARN L623 FunctionHandler]: Unknown extern function ldv_ops_disconnect_1 [2022-11-25 23:48:47,002 WARN L623 FunctionHandler]: Unknown extern function ldv_ops_disconnect_1 [2022-11-25 23:48:47,002 WARN L623 FunctionHandler]: Unknown extern function ldv_ops_disconnect_1 [2022-11-25 23:48:47,003 WARN L623 FunctionHandler]: Unknown extern function ldv_ops_release_1 [2022-11-25 23:48:47,003 WARN L623 FunctionHandler]: Unknown extern function ldv_ops_setup_1 [2022-11-25 23:48:47,005 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-11-25 23:48:47,005 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-11-25 23:48:47,006 WARN L623 FunctionHandler]: Unknown extern function hdlc_start_xmit [2022-11-25 23:48:47,007 WARN L623 FunctionHandler]: Unknown extern function ldv_hdlcdev_ops_ndo_init_3 [2022-11-25 23:48:47,007 WARN L623 FunctionHandler]: Unknown extern function ldv_hdlcdev_ops_ndo_uninit_3 [2022-11-25 23:48:47,008 WARN L623 FunctionHandler]: Unknown extern function ldv_port_ops_destruct_2 [2022-11-25 23:48:47,009 WARN L623 FunctionHandler]: Unknown extern function ldv_port_ops_activate_2 [2022-11-25 23:48:47,009 WARN L623 FunctionHandler]: Unknown extern function ldv_port_ops_shutdown_2 [2022-11-25 23:48:47,011 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:48:47,011 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:48:47,012 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:48:47,012 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:48:47,012 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:48:47,013 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-25 23:48:47,013 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:48:47,013 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:48:47,014 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:48:47,014 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:48:47,014 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:48:47,015 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:48:47,015 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:48:47,015 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:48:47,016 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:48:47,016 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:48:47,016 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:48:47,017 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:48:47,017 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:48:47,017 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:48:47,022 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_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i[386276,386289] [2022-11-25 23:48:47,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:48:47,174 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:48:47,295 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:48:47,297 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:48:47,298 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:48:47,298 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:48:47,300 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:48:47,301 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:48:47,301 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:48:47,301 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 23:48:47,302 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:48:47,302 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:48:47,303 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 23:48:47,305 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-11-25 23:48:47,308 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_flags [2022-11-25 23:48:47,309 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:48:47,311 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:48:47,311 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:48:47,312 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:48:47,313 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,339 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_ref [2022-11-25 23:48:47,344 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_deref [2022-11-25 23:48:47,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,355 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,356 WARN L623 FunctionHandler]: Unknown extern function tty_port_install [2022-11-25 23:48:47,362 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,362 WARN L623 FunctionHandler]: Unknown extern function tty_hung_up_p [2022-11-25 23:48:47,363 WARN L623 FunctionHandler]: Unknown extern function interruptible_sleep_on [2022-11-25 23:48:47,364 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,365 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,365 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,367 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,368 WARN L623 FunctionHandler]: Unknown extern function tty_port_close_start [2022-11-25 23:48:47,368 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_flush [2022-11-25 23:48:47,369 WARN L623 FunctionHandler]: Unknown extern function tty_port_close_end [2022-11-25 23:48:47,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,370 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,371 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,372 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:48:47,373 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,374 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,375 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,377 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,379 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,381 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,381 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,384 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,387 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,388 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,390 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-25 23:48:47,390 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-25 23:48:47,391 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-25 23:48:47,391 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-25 23:48:47,392 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,393 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,395 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,396 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,397 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,398 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,399 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,399 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:48:47,400 WARN L623 FunctionHandler]: Unknown extern function tty_wakeup [2022-11-25 23:48:47,401 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,402 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,403 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,404 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,405 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,410 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,412 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:47,413 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,414 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:48:47,414 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:48:47,415 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:48:47,416 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:48:47,416 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:48:47,417 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-11-25 23:48:47,417 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:47,418 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:47,418 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:47,418 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:47,419 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:47,419 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:47,419 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:47,420 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:47,420 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:47,421 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:47,421 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:47,422 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:47,422 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:47,423 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:47,424 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:48:47,433 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-25 23:48:47,435 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,436 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,437 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,439 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,440 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,441 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,442 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,446 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,447 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:48:47,447 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,448 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,449 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-11-25 23:48:47,449 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,450 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,450 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,451 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,510 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:48:47,511 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:48:47,512 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,513 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-11-25 23:48:47,513 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,515 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,515 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-11-25 23:48:47,517 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:48:47,520 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-11-25 23:48:47,521 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,522 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,523 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,524 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:48:47,525 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 23:48:47,526 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-11-25 23:48:47,527 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,528 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,529 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-11-25 23:48:47,530 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,532 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,532 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,534 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,535 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,536 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,543 WARN L623 FunctionHandler]: Unknown extern function tty_wakeup [2022-11-25 23:48:47,543 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,545 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,553 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,554 WARN L623 FunctionHandler]: Unknown extern function do_SAK [2022-11-25 23:48:47,555 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:48:47,562 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,563 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,565 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,566 WARN L623 FunctionHandler]: Unknown extern function tty_flip_buffer_push [2022-11-25 23:48:47,567 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,570 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:48:47,573 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,575 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,579 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,581 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,583 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,589 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:48:47,590 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:48:47,591 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:48:47,592 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:48:47,593 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,593 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:48:47,594 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,594 WARN L623 FunctionHandler]: Unknown extern function tty_hangup [2022-11-25 23:48:47,600 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,601 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,604 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,605 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,625 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,755 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,756 WARN L623 FunctionHandler]: Unknown extern function schedule_work [2022-11-25 23:48:47,756 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,757 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,758 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,759 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 23:48:47,760 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:48:47,761 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,762 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:48:47,762 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:48:47,762 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:48:47,763 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:48:47,763 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:48:47,763 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,765 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,767 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,769 WARN L623 FunctionHandler]: Unknown extern function tty_get_baud_rate [2022-11-25 23:48:47,776 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,777 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,778 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,779 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,780 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,780 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,781 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,782 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,783 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,783 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,784 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,785 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,786 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,787 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,788 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,790 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,791 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,811 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:48:47,812 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 23:48:47,812 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:48:47,812 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,814 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:48:47,818 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 23:48:47,818 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:48:47,819 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,819 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:48:47,822 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,823 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 23:48:47,823 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:48:47,824 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:48:47,824 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,825 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:48:47,827 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 23:48:47,828 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:48:47,830 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,831 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,834 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,835 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,836 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,839 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 23:48:47,839 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,840 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,840 WARN L623 FunctionHandler]: Unknown extern function tty_hung_up_p [2022-11-25 23:48:47,840 WARN L623 FunctionHandler]: Unknown extern function tty_port_raise_dtr_rts [2022-11-25 23:48:47,841 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:48:47,841 WARN L623 FunctionHandler]: Unknown extern function tty_hung_up_p [2022-11-25 23:48:47,842 WARN L623 FunctionHandler]: Unknown extern function tty_port_carrier_raised [2022-11-25 23:48:47,842 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,843 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-11-25 23:48:47,843 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:48:47,843 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-11-25 23:48:47,844 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:48:47,844 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 23:48:47,844 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,846 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,848 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,849 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,849 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,856 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:48:47,857 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 23:48:47,857 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,858 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 23:48:47,858 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,859 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 23:48:47,859 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,860 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 23:48:47,860 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,861 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 23:48:47,861 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,861 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 23:48:47,862 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,863 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 23:48:47,863 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,863 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 23:48:47,864 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,865 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,866 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,866 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:48:47,867 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 23:48:47,867 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 23:48:47,867 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 23:48:47,868 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 23:48:47,868 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:48:47,869 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:48:47,869 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:48:47,870 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 23:48:47,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,871 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:48:47,889 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,891 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,891 WARN L623 FunctionHandler]: Unknown extern function tty_port_init [2022-11-25 23:48:47,892 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:48:47,892 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:48:47,893 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:48:47,893 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:48:47,893 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:48:47,895 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:48:47,895 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:48:47,897 WARN L623 FunctionHandler]: Unknown extern function tty_port_destroy [2022-11-25 23:48:47,898 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:48:47,899 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:48:47,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,905 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_driver [2022-11-25 23:48:47,906 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,906 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-11-25 23:48:47,923 WARN L623 FunctionHandler]: Unknown extern function tty_port_destroy [2022-11-25 23:48:47,924 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:48:47,924 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 23:48:47,925 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,925 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 23:48:47,926 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,928 WARN L623 FunctionHandler]: Unknown extern function tty_set_operations [2022-11-25 23:48:47,929 WARN L623 FunctionHandler]: Unknown extern function tty_register_driver [2022-11-25 23:48:47,929 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,929 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-11-25 23:48:47,929 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,935 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,936 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,939 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,942 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 23:48:47,942 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:48:47,944 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,944 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:48:47,983 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,985 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:47,988 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,991 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,995 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:47,996 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-25 23:48:47,996 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:48,022 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:48,023 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-25 23:48:48,023 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:48:48,024 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:48,029 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,030 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:48,077 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,078 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,087 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,105 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,123 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,131 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,149 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,149 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,153 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,155 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,155 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,156 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,156 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,158 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:48,159 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:48:48,161 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 23:48:48,161 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:48:48,166 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:48:48,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:48:48,168 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-25 23:48:48,168 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 23:48:48,168 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 23:48:48,177 WARN L623 FunctionHandler]: Unknown extern function ldv_ops_disconnect_1 [2022-11-25 23:48:48,177 WARN L623 FunctionHandler]: Unknown extern function ldv_ops_disconnect_1 [2022-11-25 23:48:48,178 WARN L623 FunctionHandler]: Unknown extern function ldv_ops_disconnect_1 [2022-11-25 23:48:48,178 WARN L623 FunctionHandler]: Unknown extern function ldv_ops_release_1 [2022-11-25 23:48:48,178 WARN L623 FunctionHandler]: Unknown extern function ldv_ops_setup_1 [2022-11-25 23:48:48,180 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-11-25 23:48:48,180 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-11-25 23:48:48,181 WARN L623 FunctionHandler]: Unknown extern function hdlc_start_xmit [2022-11-25 23:48:48,181 WARN L623 FunctionHandler]: Unknown extern function ldv_hdlcdev_ops_ndo_init_3 [2022-11-25 23:48:48,182 WARN L623 FunctionHandler]: Unknown extern function ldv_hdlcdev_ops_ndo_uninit_3 [2022-11-25 23:48:48,183 WARN L623 FunctionHandler]: Unknown extern function ldv_port_ops_destruct_2 [2022-11-25 23:48:48,183 WARN L623 FunctionHandler]: Unknown extern function ldv_port_ops_activate_2 [2022-11-25 23:48:48,183 WARN L623 FunctionHandler]: Unknown extern function ldv_port_ops_shutdown_2 [2022-11-25 23:48:48,185 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:48:48,185 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:48:48,186 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:48:48,186 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:48:48,186 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:48:48,186 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-25 23:48:48,187 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:48:48,187 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:48:48,187 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:48:48,188 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:48:48,188 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:48:48,188 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:48:48,189 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:48:48,189 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:48:48,189 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:48:48,190 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:48:48,190 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:48:48,190 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:48:48,190 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:48:48,191 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:48:48,191 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_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i[386276,386289] [2022-11-25 23:48:48,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:48:48,446 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:48:48,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:48:48 WrapperNode [2022-11-25 23:48:48,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:48:48,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:48:48,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:48:48,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:48:48,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:48:48" (1/1) ... [2022-11-25 23:48:48,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:48:48" (1/1) ... [2022-11-25 23:48:48,845 INFO L138 Inliner]: procedures = 356, calls = 3822, calls flagged for inlining = 167, calls inlined = 133, statements flattened = 7427 [2022-11-25 23:48:48,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:48:48,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:48:48,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:48:48,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:48:48,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:48:48" (1/1) ... [2022-11-25 23:48:48,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:48:48" (1/1) ... [2022-11-25 23:48:48,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:48:48" (1/1) ... [2022-11-25 23:48:48,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:48:48" (1/1) ... [2022-11-25 23:48:49,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:48:48" (1/1) ... [2022-11-25 23:48:49,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:48:48" (1/1) ... [2022-11-25 23:48:49,317 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:48:48" (1/1) ... [2022-11-25 23:48:49,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:48:48" (1/1) ... [2022-11-25 23:48:49,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:48:49,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:48:49,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:48:49,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:48:49,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:48:48" (1/1) ... [2022-11-25 23:48:49,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:48:49,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:48:49,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:48:49,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:48:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-11-25 23:48:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-11-25 23:48:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-11-25 23:48:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-11-25 23:48:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-25 23:48:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 23:48:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:48:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-11-25 23:48:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-11-25 23:48:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 23:48:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 23:48:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-25 23:48:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-25 23:48:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-25 23:48:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-25 23:48:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2022-11-25 23:48:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2022-11-25 23:48:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure irq_test [2022-11-25 23:48:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_test [2022-11-25 23:48:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2022-11-25 23:48:49,450 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2022-11-25 23:48:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2022-11-25 23:48:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2022-11-25 23:48:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:48:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:48:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2022-11-25 23:48:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2022-11-25 23:48:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-25 23:48:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-25 23:48:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 23:48:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 23:48:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 23:48:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 23:48:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2022-11-25 23:48:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2022-11-25 23:48:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure sca_init [2022-11-25 23:48:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure sca_init [2022-11-25 23:48:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-25 23:48:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-25 23:48:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 23:48:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 23:48:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:48:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:48:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2022-11-25 23:48:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2022-11-25 23:48:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 23:48:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 23:48:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-25 23:48:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-25 23:48:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2022-11-25 23:48:49,456 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2022-11-25 23:48:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-25 23:48:49,456 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-25 23:48:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-25 23:48:49,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-25 23:48:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2022-11-25 23:48:49,456 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2022-11-25 23:48:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 23:48:49,457 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 23:48:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2022-11-25 23:48:49,457 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2022-11-25 23:48:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2022-11-25 23:48:49,457 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2022-11-25 23:48:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:48:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 23:48:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2022-11-25 23:48:49,458 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2022-11-25 23:48:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_frame_bufs [2022-11-25 23:48:49,458 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_frame_bufs [2022-11-25 23:48:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure rx_free_frame_buffers [2022-11-25 23:48:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_free_frame_buffers [2022-11-25 23:48:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:48:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2022-11-25 23:48:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2022-11-25 23:48:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-25 23:48:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-25 23:48:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 23:48:49,460 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 23:48:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure synclinkmp_cleanup [2022-11-25 23:48:49,460 INFO L138 BoogieDeclarations]: Found implementation of procedure synclinkmp_cleanup [2022-11-25 23:48:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_tty_port [2022-11-25 23:48:49,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_tty_port [2022-11-25 23:48:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:48:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2022-11-25 23:48:49,461 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2022-11-25 23:48:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-25 23:48:49,461 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-25 23:48:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:48:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2022-11-25 23:48:49,462 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2022-11-25 23:48:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-25 23:48:49,462 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-25 23:48:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2022-11-25 23:48:49,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2022-11-25 23:48:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-25 23:48:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-25 23:48:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 23:48:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 23:48:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2022-11-25 23:48:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2022-11-25 23:48:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-25 23:48:49,464 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-25 23:48:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-11-25 23:48:49,464 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-11-25 23:48:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 23:48:49,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 23:48:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2022-11-25 23:48:49,464 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2022-11-25 23:48:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_test [2022-11-25 23:48:49,465 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_test [2022-11-25 23:48:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-25 23:48:49,465 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-25 23:48:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2022-11-25 23:48:49,465 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2022-11-25 23:48:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 23:48:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-25 23:48:49,466 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-25 23:48:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 23:48:49,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 23:48:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 23:48:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-25 23:48:49,467 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-25 23:48:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2022-11-25 23:48:49,468 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2022-11-25 23:48:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2022-11-25 23:48:49,468 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2022-11-25 23:48:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:48:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-25 23:48:49,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-25 23:48:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 23:48:49,469 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 23:48:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-25 23:48:49,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-25 23:48:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2022-11-25 23:48:49,469 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2022-11-25 23:48:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2022-11-25 23:48:49,470 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2022-11-25 23:48:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 23:48:49,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 23:48:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2022-11-25 23:48:49,470 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2022-11-25 23:48:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2022-11-25 23:48:49,471 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2022-11-25 23:48:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure install [2022-11-25 23:48:49,471 INFO L138 BoogieDeclarations]: Found implementation of procedure install [2022-11-25 23:48:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2022-11-25 23:48:49,471 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2022-11-25 23:48:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 23:48:49,472 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 23:48:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2022-11-25 23:48:49,472 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2022-11-25 23:48:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-25 23:48:49,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-25 23:48:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:48:49,472 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:48:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_fifo [2022-11-25 23:48:49,473 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_fifo [2022-11-25 23:48:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_tty_port [2022-11-25 23:48:49,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_tty_port [2022-11-25 23:48:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:48:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-25 23:48:49,473 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-25 23:48:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_dma_buffer [2022-11-25 23:48:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_dma_buffer [2022-11-25 23:48:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2022-11-25 23:48:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2022-11-25 23:48:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2022-11-25 23:48:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2022-11-25 23:48:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:48:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:48:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2022-11-25 23:48:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2022-11-25 23:48:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:48:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-25 23:48:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-25 23:48:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:48:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-25 23:48:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-25 23:48:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure register_test [2022-11-25 23:48:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure register_test [2022-11-25 23:48:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2022-11-25 23:48:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2022-11-25 23:48:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:48:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2022-11-25 23:48:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2022-11-25 23:48:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 23:48:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2022-11-25 23:48:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2022-11-25 23:48:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ops_disconnect_1 [2022-11-25 23:48:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ops_disconnect_1 [2022-11-25 23:48:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure write_control_reg [2022-11-25 23:48:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure write_control_reg [2022-11-25 23:48:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2022-11-25 23:48:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2022-11-25 23:48:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2022-11-25 23:48:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2022-11-25 23:48:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2022-11-25 23:48:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2022-11-25 23:48:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-25 23:48:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-25 23:48:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-25 23:48:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-25 23:48:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_mode [2022-11-25 23:48:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_mode [2022-11-25 23:48:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure rx_get_frame [2022-11-25 23:48:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_get_frame [2022-11-25 23:48:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2022-11-25 23:48:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2022-11-25 23:48:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-25 23:48:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-25 23:48:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2022-11-25 23:48:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2022-11-25 23:48:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-25 23:48:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-25 23:48:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2022-11-25 23:48:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2022-11-25 23:48:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-25 23:48:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-25 23:48:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg16 [2022-11-25 23:48:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg16 [2022-11-25 23:48:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-25 23:48:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-25 23:48:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2022-11-25 23:48:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2022-11-25 23:48:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 23:48:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 23:48:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:48:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-25 23:48:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-25 23:48:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2022-11-25 23:48:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2022-11-25 23:48:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2022-11-25 23:48:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2022-11-25 23:48:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2022-11-25 23:48:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2022-11-25 23:48:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:48:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:48:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure read_status_reg [2022-11-25 23:48:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status_reg [2022-11-25 23:48:50,480 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:48:50,483 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:49:25,327 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:49:30,009 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:49:30,009 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:49:30,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:49:30 BoogieIcfgContainer [2022-11-25 23:49:30,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:49:30,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:49:30,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:49:30,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:49:30,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:48:43" (1/3) ... [2022-11-25 23:49:30,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12986e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:49:30, skipping insertion in model container [2022-11-25 23:49:30,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:48:48" (2/3) ... [2022-11-25 23:49:30,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12986e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:49:30, skipping insertion in model container [2022-11-25 23:49:30,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:49:30" (3/3) ... [2022-11-25 23:49:30,029 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i [2022-11-25 23:49:30,049 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:49:30,050 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:49:30,162 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:49:30,171 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;@4fbe2e03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:49:30,171 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:49:30,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 2056 states, 1234 states have (on average 1.3695299837925445) internal successors, (1690), 1291 states have internal predecessors, (1690), 710 states have call successors, (710), 110 states have call predecessors, (710), 110 states have return successors, (710), 704 states have call predecessors, (710), 710 states have call successors, (710) [2022-11-25 23:49:30,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 23:49:30,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:49:30,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:49:30,214 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:49:30,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:49:30,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1748456358, now seen corresponding path program 1 times [2022-11-25 23:49:30,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:49:30,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391049927] [2022-11-25 23:49:30,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:49:30,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:49:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:49:31,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:49:31,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:49:31,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391049927] [2022-11-25 23:49:31,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391049927] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:49:31,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:49:31,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:49:31,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479353035] [2022-11-25 23:49:31,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:49:31,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:49:31,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:49:31,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:49:31,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:49:31,208 INFO L87 Difference]: Start difference. First operand has 2056 states, 1234 states have (on average 1.3695299837925445) internal successors, (1690), 1291 states have internal predecessors, (1690), 710 states have call successors, (710), 110 states have call predecessors, (710), 110 states have return successors, (710), 704 states have call predecessors, (710), 710 states have call successors, (710) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:49:33,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:49:35,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:49:36,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:49:39,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:49:41,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:49:43,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:49:45,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:49:48,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:49:49,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:49:49,294 INFO L93 Difference]: Finished difference Result 6149 states and 9346 transitions. [2022-11-25 23:49:49,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:49:49,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-25 23:49:49,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:49:49,349 INFO L225 Difference]: With dead ends: 6149 [2022-11-25 23:49:49,349 INFO L226 Difference]: Without dead ends: 4092 [2022-11-25 23:49:49,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:49:49,373 INFO L413 NwaCegarLoop]: 3635 mSDtfsCounter, 3075 mSDsluCounter, 2758 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3078 SdHoareTripleChecker+Valid, 6393 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:49:49,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3078 Valid, 6393 Invalid, 687 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 682 Invalid, 4 Unknown, 0 Unchecked, 17.7s Time] [2022-11-25 23:49:49,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4092 states. [2022-11-25 23:49:49,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4092 to 4088. [2022-11-25 23:49:49,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4088 states, 2458 states have (on average 1.3677786818551667) internal successors, (3362), 2562 states have internal predecessors, (3362), 1411 states have call successors, (1411), 219 states have call predecessors, (1411), 218 states have return successors, (1408), 1393 states have call predecessors, (1408), 1405 states have call successors, (1408) [2022-11-25 23:49:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4088 states to 4088 states and 6181 transitions. [2022-11-25 23:49:49,823 INFO L78 Accepts]: Start accepts. Automaton has 4088 states and 6181 transitions. Word has length 16 [2022-11-25 23:49:49,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:49:49,825 INFO L495 AbstractCegarLoop]: Abstraction has 4088 states and 6181 transitions. [2022-11-25 23:49:49,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:49:49,826 INFO L276 IsEmpty]: Start isEmpty. Operand 4088 states and 6181 transitions. [2022-11-25 23:49:49,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 23:49:49,833 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:49:49,833 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:49:49,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:49:49,834 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:49:49,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:49:49,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1633633831, now seen corresponding path program 1 times [2022-11-25 23:49:49,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:49:49,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197015012] [2022-11-25 23:49:49,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:49:49,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:49:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:49:50,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:49:50,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:49:50,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197015012] [2022-11-25 23:49:50,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197015012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:49:50,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:49:50,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:49:50,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629289742] [2022-11-25 23:49:50,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:49:50,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:49:50,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:49:50,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:49:50,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:49:50,172 INFO L87 Difference]: Start difference. First operand 4088 states and 6181 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:49:52,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:49:54,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:49:56,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:49:58,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:50:01,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:50:05,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:50:06,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:50:06,351 INFO L93 Difference]: Finished difference Result 4096 states and 6188 transitions. [2022-11-25 23:50:06,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:50:06,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-25 23:50:06,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:50:06,381 INFO L225 Difference]: With dead ends: 4096 [2022-11-25 23:50:06,382 INFO L226 Difference]: Without dead ends: 4093 [2022-11-25 23:50:06,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:50:06,388 INFO L413 NwaCegarLoop]: 3634 mSDtfsCounter, 3064 mSDsluCounter, 2761 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3072 SdHoareTripleChecker+Valid, 6395 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:50:06,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3072 Valid, 6395 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 680 Invalid, 4 Unknown, 0 Unchecked, 15.9s Time] [2022-11-25 23:50:06,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4093 states. [2022-11-25 23:50:06,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4093 to 4089. [2022-11-25 23:50:06,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4089 states, 2459 states have (on average 1.3676291175274502) internal successors, (3363), 2563 states have internal predecessors, (3363), 1411 states have call successors, (1411), 219 states have call predecessors, (1411), 218 states have return successors, (1408), 1393 states have call predecessors, (1408), 1405 states have call successors, (1408) [2022-11-25 23:50:06,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4089 states to 4089 states and 6182 transitions. [2022-11-25 23:50:06,760 INFO L78 Accepts]: Start accepts. Automaton has 4089 states and 6182 transitions. Word has length 17 [2022-11-25 23:50:06,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:50:06,760 INFO L495 AbstractCegarLoop]: Abstraction has 4089 states and 6182 transitions. [2022-11-25 23:50:06,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:50:06,761 INFO L276 IsEmpty]: Start isEmpty. Operand 4089 states and 6182 transitions. [2022-11-25 23:50:06,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-25 23:50:06,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:50:06,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:50:06,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:50:06,764 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:50:06,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:50:06,764 INFO L85 PathProgramCache]: Analyzing trace with hash 895757577, now seen corresponding path program 1 times [2022-11-25 23:50:06,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:50:06,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391688380] [2022-11-25 23:50:06,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:50:06,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:50:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:50:07,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:50:07,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:50:07,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391688380] [2022-11-25 23:50:07,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391688380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:50:07,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:50:07,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:50:07,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702055138] [2022-11-25 23:50:07,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:50:07,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:50:07,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:50:07,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:50:07,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:50:07,058 INFO L87 Difference]: Start difference. First operand 4089 states and 6182 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:50:09,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:50:11,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:50:14,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:50:17,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:50:20,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:50:23,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:50:24,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:50:24,092 INFO L93 Difference]: Finished difference Result 4097 states and 6189 transitions. [2022-11-25 23:50:24,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:50:24,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-25 23:50:24,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:50:24,121 INFO L225 Difference]: With dead ends: 4097 [2022-11-25 23:50:24,122 INFO L226 Difference]: Without dead ends: 4094 [2022-11-25 23:50:24,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:50:24,127 INFO L413 NwaCegarLoop]: 3634 mSDtfsCounter, 3067 mSDsluCounter, 2764 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3070 SdHoareTripleChecker+Valid, 6398 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:50:24,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3070 Valid, 6398 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 682 Invalid, 3 Unknown, 0 Unchecked, 16.8s Time] [2022-11-25 23:50:24,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4094 states. [2022-11-25 23:50:24,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4094 to 4090. [2022-11-25 23:50:24,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4090 states, 2460 states have (on average 1.367479674796748) internal successors, (3364), 2564 states have internal predecessors, (3364), 1411 states have call successors, (1411), 219 states have call predecessors, (1411), 218 states have return successors, (1408), 1393 states have call predecessors, (1408), 1405 states have call successors, (1408) [2022-11-25 23:50:24,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4090 states to 4090 states and 6183 transitions. [2022-11-25 23:50:24,369 INFO L78 Accepts]: Start accepts. Automaton has 4090 states and 6183 transitions. Word has length 18 [2022-11-25 23:50:24,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:50:24,369 INFO L495 AbstractCegarLoop]: Abstraction has 4090 states and 6183 transitions. [2022-11-25 23:50:24,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:50:24,370 INFO L276 IsEmpty]: Start isEmpty. Operand 4090 states and 6183 transitions. [2022-11-25 23:50:24,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 23:50:24,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:50:24,372 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:50:24,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:50:24,373 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:50:24,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:50:24,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1997484764, now seen corresponding path program 1 times [2022-11-25 23:50:24,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:50:24,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366333409] [2022-11-25 23:50:24,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:50:24,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:50:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:50:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:50:24,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:50:24,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366333409] [2022-11-25 23:50:24,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366333409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:50:24,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:50:24,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:50:24,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541358684] [2022-11-25 23:50:24,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:50:24,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:50:24,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:50:24,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:50:24,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:50:24,663 INFO L87 Difference]: Start difference. First operand 4090 states and 6183 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:50:26,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:50:28,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:50:30,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:50:33,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:50:38,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:50:40,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:50:40,078 INFO L93 Difference]: Finished difference Result 6244 states and 9401 transitions. [2022-11-25 23:50:40,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:50:40,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-25 23:50:40,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:50:40,122 INFO L225 Difference]: With dead ends: 6244 [2022-11-25 23:50:40,122 INFO L226 Difference]: Without dead ends: 6233 [2022-11-25 23:50:40,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:50:40,129 INFO L413 NwaCegarLoop]: 3652 mSDtfsCounter, 2991 mSDsluCounter, 2746 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2998 SdHoareTripleChecker+Valid, 6398 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:50:40,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2998 Valid, 6398 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 683 Invalid, 4 Unknown, 0 Unchecked, 15.0s Time] [2022-11-25 23:50:40,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6233 states. [2022-11-25 23:50:40,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6233 to 6227. [2022-11-25 23:50:40,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6227 states, 3745 states have (on average 1.3647530040053404) internal successors, (5111), 3904 states have internal predecessors, (5111), 2130 states have call successors, (2130), 354 states have call predecessors, (2130), 351 states have return successors, (2139), 2100 states have call predecessors, (2139), 2124 states have call successors, (2139) [2022-11-25 23:50:40,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6227 states to 6227 states and 9380 transitions. [2022-11-25 23:50:40,688 INFO L78 Accepts]: Start accepts. Automaton has 6227 states and 9380 transitions. Word has length 19 [2022-11-25 23:50:40,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:50:40,688 INFO L495 AbstractCegarLoop]: Abstraction has 6227 states and 9380 transitions. [2022-11-25 23:50:40,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:50:40,689 INFO L276 IsEmpty]: Start isEmpty. Operand 6227 states and 9380 transitions. [2022-11-25 23:50:40,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 23:50:40,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:50:40,695 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] [2022-11-25 23:50:40,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:50:40,695 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:50:40,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:50:40,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1004804396, now seen corresponding path program 1 times [2022-11-25 23:50:40,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:50:40,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816641292] [2022-11-25 23:50:40,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:50:40,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:50:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:50:41,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:50:41,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:50:41,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816641292] [2022-11-25 23:50:41,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816641292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:50:41,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:50:41,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:50:41,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395617903] [2022-11-25 23:50:41,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:50:41,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:50:41,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:50:41,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:50:41,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:50:41,357 INFO L87 Difference]: Start difference. First operand 6227 states and 9380 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:50:43,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:50:45,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:50:47,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:50:49,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:50:57,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:50:59,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:01,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:03,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:06,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:51:06,874 INFO L93 Difference]: Finished difference Result 11663 states and 17825 transitions. [2022-11-25 23:51:06,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:51:06,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-25 23:51:06,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:51:06,943 INFO L225 Difference]: With dead ends: 11663 [2022-11-25 23:51:06,943 INFO L226 Difference]: Without dead ends: 11652 [2022-11-25 23:51:06,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:51:06,952 INFO L413 NwaCegarLoop]: 4684 mSDtfsCounter, 4044 mSDsluCounter, 6817 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 240 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4052 SdHoareTripleChecker+Valid, 11501 SdHoareTripleChecker+Invalid, 1661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:51:06,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4052 Valid, 11501 Invalid, 1661 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [240 Valid, 1415 Invalid, 6 Unknown, 0 Unchecked, 25.0s Time] [2022-11-25 23:51:06,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11652 states. [2022-11-25 23:51:07,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11652 to 10218. [2022-11-25 23:51:07,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10218 states, 6153 states have (on average 1.3673005038192751) internal successors, (8413), 6417 states have internal predecessors, (8413), 3501 states have call successors, (3501), 569 states have call predecessors, (3501), 563 states have return successors, (3525), 3448 states have call predecessors, (3525), 3495 states have call successors, (3525) [2022-11-25 23:51:07,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10218 states to 10218 states and 15439 transitions. [2022-11-25 23:51:07,591 INFO L78 Accepts]: Start accepts. Automaton has 10218 states and 15439 transitions. Word has length 26 [2022-11-25 23:51:07,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:51:07,591 INFO L495 AbstractCegarLoop]: Abstraction has 10218 states and 15439 transitions. [2022-11-25 23:51:07,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:51:07,592 INFO L276 IsEmpty]: Start isEmpty. Operand 10218 states and 15439 transitions. [2022-11-25 23:51:07,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-25 23:51:07,599 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:51:07,599 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] [2022-11-25 23:51:07,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:51:07,599 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:51:07,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:51:07,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1931477235, now seen corresponding path program 1 times [2022-11-25 23:51:07,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:51:07,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443588482] [2022-11-25 23:51:07,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:51:07,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:51:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:51:07,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:51:07,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:51:07,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443588482] [2022-11-25 23:51:07,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443588482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:51:07,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:51:07,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:51:07,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653270817] [2022-11-25 23:51:07,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:51:07,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:51:07,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:51:07,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:51:07,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:51:07,983 INFO L87 Difference]: Start difference. First operand 10218 states and 15439 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 23:51:10,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:12,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:51:14,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:15,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:19,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:22,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:25,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:51:25,154 INFO L93 Difference]: Finished difference Result 14229 states and 21520 transitions. [2022-11-25 23:51:25,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:51:25,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 38 [2022-11-25 23:51:25,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:51:25,324 INFO L225 Difference]: With dead ends: 14229 [2022-11-25 23:51:25,325 INFO L226 Difference]: Without dead ends: 14226 [2022-11-25 23:51:25,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:51:25,334 INFO L413 NwaCegarLoop]: 3820 mSDtfsCounter, 3063 mSDsluCounter, 2758 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3071 SdHoareTripleChecker+Valid, 6578 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:51:25,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3071 Valid, 6578 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 717 Invalid, 5 Unknown, 0 Unchecked, 16.7s Time] [2022-11-25 23:51:25,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14226 states. [2022-11-25 23:51:26,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14226 to 14221. [2022-11-25 23:51:26,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14221 states, 8573 states have (on average 1.3681325090400094) internal successors, (11729), 8938 states have internal predecessors, (11729), 4872 states have call successors, (4872), 784 states have call predecessors, (4872), 775 states have return successors, (4911), 4800 states have call predecessors, (4911), 4866 states have call successors, (4911) [2022-11-25 23:51:26,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14221 states to 14221 states and 21512 transitions. [2022-11-25 23:51:26,192 INFO L78 Accepts]: Start accepts. Automaton has 14221 states and 21512 transitions. Word has length 38 [2022-11-25 23:51:26,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:51:26,193 INFO L495 AbstractCegarLoop]: Abstraction has 14221 states and 21512 transitions. [2022-11-25 23:51:26,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 23:51:26,194 INFO L276 IsEmpty]: Start isEmpty. Operand 14221 states and 21512 transitions. [2022-11-25 23:51:26,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-25 23:51:26,203 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:51:26,203 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] [2022-11-25 23:51:26,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:51:26,203 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:51:26,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:51:26,204 INFO L85 PathProgramCache]: Analyzing trace with hash -254953940, now seen corresponding path program 1 times [2022-11-25 23:51:26,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:51:26,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046085166] [2022-11-25 23:51:26,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:51:26,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:51:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:51:26,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:51:26,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:51:26,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046085166] [2022-11-25 23:51:26,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046085166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:51:26,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:51:26,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:51:26,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472998765] [2022-11-25 23:51:26,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:51:26,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:51:26,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:51:26,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:51:26,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:51:26,557 INFO L87 Difference]: Start difference. First operand 14221 states and 21512 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 23:51:28,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:30,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:51:32,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:37,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:39,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:42,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:51:42,461 INFO L93 Difference]: Finished difference Result 14231 states and 21522 transitions. [2022-11-25 23:51:42,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:51:42,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2022-11-25 23:51:42,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:51:42,532 INFO L225 Difference]: With dead ends: 14231 [2022-11-25 23:51:42,532 INFO L226 Difference]: Without dead ends: 14228 [2022-11-25 23:51:42,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:51:42,544 INFO L413 NwaCegarLoop]: 3820 mSDtfsCounter, 3060 mSDsluCounter, 2761 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3068 SdHoareTripleChecker+Valid, 6581 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:51:42,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3068 Valid, 6581 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 716 Invalid, 5 Unknown, 0 Unchecked, 15.4s Time] [2022-11-25 23:51:42,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14228 states. [2022-11-25 23:51:43,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14228 to 14223. [2022-11-25 23:51:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14223 states, 8575 states have (on average 1.3680466472303208) internal successors, (11731), 8940 states have internal predecessors, (11731), 4872 states have call successors, (4872), 784 states have call predecessors, (4872), 775 states have return successors, (4911), 4800 states have call predecessors, (4911), 4866 states have call successors, (4911) [2022-11-25 23:51:43,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14223 states to 14223 states and 21514 transitions. [2022-11-25 23:51:43,450 INFO L78 Accepts]: Start accepts. Automaton has 14223 states and 21514 transitions. Word has length 39 [2022-11-25 23:51:43,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:51:43,450 INFO L495 AbstractCegarLoop]: Abstraction has 14223 states and 21514 transitions. [2022-11-25 23:51:43,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 23:51:43,451 INFO L276 IsEmpty]: Start isEmpty. Operand 14223 states and 21514 transitions. [2022-11-25 23:51:43,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-25 23:51:43,458 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:51:43,458 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] [2022-11-25 23:51:43,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:51:43,459 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:51:43,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:51:43,459 INFO L85 PathProgramCache]: Analyzing trace with hash 685161238, now seen corresponding path program 1 times [2022-11-25 23:51:43,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:51:43,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491523294] [2022-11-25 23:51:43,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:51:43,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:51:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:51:43,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:51:43,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:51:43,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491523294] [2022-11-25 23:51:43,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491523294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:51:43,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:51:43,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:51:43,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352253404] [2022-11-25 23:51:43,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:51:43,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:51:43,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:51:43,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:51:43,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:51:43,800 INFO L87 Difference]: Start difference. First operand 14223 states and 21514 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 23:51:45,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:48,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:51:50,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:53,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:56,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:51:58,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:01,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:03,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:52:03,596 INFO L93 Difference]: Finished difference Result 14296 states and 21598 transitions. [2022-11-25 23:52:03,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:52:03,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2022-11-25 23:52:03,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:52:03,679 INFO L225 Difference]: With dead ends: 14296 [2022-11-25 23:52:03,679 INFO L226 Difference]: Without dead ends: 14287 [2022-11-25 23:52:03,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:52:03,694 INFO L413 NwaCegarLoop]: 3821 mSDtfsCounter, 3053 mSDsluCounter, 2764 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3062 SdHoareTripleChecker+Valid, 6585 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:52:03,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3062 Valid, 6585 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 715 Invalid, 7 Unknown, 0 Unchecked, 19.3s Time] [2022-11-25 23:52:03,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14287 states. [2022-11-25 23:52:04,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14287 to 14273. [2022-11-25 23:52:04,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14273 states, 8608 states have (on average 1.3677973977695168) internal successors, (11774), 8973 states have internal predecessors, (11774), 4880 states have call successors, (4880), 793 states have call predecessors, (4880), 784 states have return successors, (4919), 4808 states have call predecessors, (4919), 4874 states have call successors, (4919) [2022-11-25 23:52:04,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14273 states to 14273 states and 21573 transitions. [2022-11-25 23:52:04,613 INFO L78 Accepts]: Start accepts. Automaton has 14273 states and 21573 transitions. Word has length 40 [2022-11-25 23:52:04,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:52:04,613 INFO L495 AbstractCegarLoop]: Abstraction has 14273 states and 21573 transitions. [2022-11-25 23:52:04,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 23:52:04,614 INFO L276 IsEmpty]: Start isEmpty. Operand 14273 states and 21573 transitions. [2022-11-25 23:52:04,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-25 23:52:04,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:52:04,622 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] [2022-11-25 23:52:04,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 23:52:04,622 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:52:04,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:52:04,623 INFO L85 PathProgramCache]: Analyzing trace with hash -236034449, now seen corresponding path program 1 times [2022-11-25 23:52:04,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:52:04,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776875575] [2022-11-25 23:52:04,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:52:04,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:52:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:52:05,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:52:05,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:52:05,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776875575] [2022-11-25 23:52:05,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776875575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:52:05,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:52:05,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:52:05,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080009588] [2022-11-25 23:52:05,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:52:05,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:52:05,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:52:05,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:52:05,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:52:05,017 INFO L87 Difference]: Start difference. First operand 14273 states and 21573 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 23:52:07,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:09,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:52:14,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:16,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:18,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:20,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:52:20,083 INFO L93 Difference]: Finished difference Result 16559 states and 24963 transitions. [2022-11-25 23:52:20,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:52:20,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2022-11-25 23:52:20,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:52:20,169 INFO L225 Difference]: With dead ends: 16559 [2022-11-25 23:52:20,169 INFO L226 Difference]: Without dead ends: 16548 [2022-11-25 23:52:20,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:52:20,183 INFO L413 NwaCegarLoop]: 3853 mSDtfsCounter, 2993 mSDsluCounter, 2746 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2995 SdHoareTripleChecker+Valid, 6599 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:52:20,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2995 Valid, 6599 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 724 Invalid, 3 Unknown, 0 Unchecked, 14.6s Time] [2022-11-25 23:52:20,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16548 states. [2022-11-25 23:52:21,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16548 to 16522. [2022-11-25 23:52:21,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16522 states, 9957 states have (on average 1.3657728231394999) internal successors, (13599), 10376 states have internal predecessors, (13599), 5630 states have call successors, (5630), 942 states have call predecessors, (5630), 934 states have return successors, (5681), 5555 states have call predecessors, (5681), 5624 states have call successors, (5681) [2022-11-25 23:52:21,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16522 states to 16522 states and 24910 transitions. [2022-11-25 23:52:21,351 INFO L78 Accepts]: Start accepts. Automaton has 16522 states and 24910 transitions. Word has length 41 [2022-11-25 23:52:21,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:52:21,352 INFO L495 AbstractCegarLoop]: Abstraction has 16522 states and 24910 transitions. [2022-11-25 23:52:21,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 23:52:21,352 INFO L276 IsEmpty]: Start isEmpty. Operand 16522 states and 24910 transitions. [2022-11-25 23:52:21,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-25 23:52:21,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:52:21,362 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, 1, 1, 1, 1] [2022-11-25 23:52:21,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:52:21,362 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:52:21,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:52:21,363 INFO L85 PathProgramCache]: Analyzing trace with hash 870463937, now seen corresponding path program 1 times [2022-11-25 23:52:21,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:52:21,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162230216] [2022-11-25 23:52:21,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:52:21,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:52:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:52:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:52:21,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:52:21,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162230216] [2022-11-25 23:52:21,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162230216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:52:21,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:52:21,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:52:21,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909020065] [2022-11-25 23:52:21,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:52:21,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:52:21,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:52:21,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:52:21,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:52:21,555 INFO L87 Difference]: Start difference. First operand 16522 states and 24910 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-25 23:52:23,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:26,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:52:28,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:32,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:34,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:37,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:39,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:52:39,514 INFO L93 Difference]: Finished difference Result 41617 states and 62350 transitions. [2022-11-25 23:52:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:52:39,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2022-11-25 23:52:39,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:52:39,630 INFO L225 Difference]: With dead ends: 41617 [2022-11-25 23:52:39,630 INFO L226 Difference]: Without dead ends: 25096 [2022-11-25 23:52:39,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:52:39,731 INFO L413 NwaCegarLoop]: 3576 mSDtfsCounter, 1563 mSDsluCounter, 2491 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1564 SdHoareTripleChecker+Valid, 6067 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:52:39,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1564 Valid, 6067 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1008 Invalid, 4 Unknown, 0 Unchecked, 17.1s Time] [2022-11-25 23:52:39,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25096 states. [2022-11-25 23:52:41,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25096 to 25061. [2022-11-25 23:52:41,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25061 states, 14929 states have (on average 1.3511956594547525) internal successors, (20172), 15529 states have internal predecessors, (20172), 8580 states have call successors, (8580), 1559 states have call predecessors, (8580), 1551 states have return successors, (8639), 8468 states have call predecessors, (8639), 8574 states have call successors, (8639) [2022-11-25 23:52:41,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25061 states to 25061 states and 37391 transitions. [2022-11-25 23:52:41,603 INFO L78 Accepts]: Start accepts. Automaton has 25061 states and 37391 transitions. Word has length 49 [2022-11-25 23:52:41,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:52:41,603 INFO L495 AbstractCegarLoop]: Abstraction has 25061 states and 37391 transitions. [2022-11-25 23:52:41,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-25 23:52:41,603 INFO L276 IsEmpty]: Start isEmpty. Operand 25061 states and 37391 transitions. [2022-11-25 23:52:41,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-25 23:52:41,621 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:52:41,621 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:52:41,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 23:52:41,622 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:52:41,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:52:41,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1173761086, now seen corresponding path program 1 times [2022-11-25 23:52:41,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:52:41,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900714253] [2022-11-25 23:52:41,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:52:41,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:52:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:52:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:52:42,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:52:42,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900714253] [2022-11-25 23:52:42,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900714253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:52:42,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:52:42,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 23:52:42,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574117299] [2022-11-25 23:52:42,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:52:42,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:52:42,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:52:42,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:52:42,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:52:42,283 INFO L87 Difference]: Start difference. First operand 25061 states and 37391 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-25 23:52:44,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:47,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:52:52,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:52:57,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:53:00,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:53:02,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:53:05,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:53:08,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:53:11,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:53:11,246 INFO L93 Difference]: Finished difference Result 49909 states and 74422 transitions. [2022-11-25 23:53:11,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:53:11,246 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 61 [2022-11-25 23:53:11,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:53:11,357 INFO L225 Difference]: With dead ends: 49909 [2022-11-25 23:53:11,358 INFO L226 Difference]: Without dead ends: 24849 [2022-11-25 23:53:11,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:53:11,448 INFO L413 NwaCegarLoop]: 3692 mSDtfsCounter, 2639 mSDsluCounter, 13847 mSDsCounter, 0 mSdLazyCounter, 1934 mSolverCounterSat, 27 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2647 SdHoareTripleChecker+Valid, 17539 SdHoareTripleChecker+Invalid, 1967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1934 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:53:11,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2647 Valid, 17539 Invalid, 1967 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [27 Valid, 1934 Invalid, 6 Unknown, 0 Unchecked, 27.7s Time] [2022-11-25 23:53:11,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24849 states. [2022-11-25 23:53:12,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24849 to 24846. [2022-11-25 23:53:12,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24846 states, 14807 states have (on average 1.3502397514688997) internal successors, (19993), 15398 states have internal predecessors, (19993), 8481 states have call successors, (8481), 1565 states have call predecessors, (8481), 1557 states have return successors, (8539), 8372 states have call predecessors, (8539), 8475 states have call successors, (8539) [2022-11-25 23:53:12,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24846 states to 24846 states and 37013 transitions. [2022-11-25 23:53:12,899 INFO L78 Accepts]: Start accepts. Automaton has 24846 states and 37013 transitions. Word has length 61 [2022-11-25 23:53:12,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:53:12,900 INFO L495 AbstractCegarLoop]: Abstraction has 24846 states and 37013 transitions. [2022-11-25 23:53:12,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-25 23:53:12,900 INFO L276 IsEmpty]: Start isEmpty. Operand 24846 states and 37013 transitions. [2022-11-25 23:53:12,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-25 23:53:12,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:53:12,923 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:53:12,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 23:53:12,924 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:53:12,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:53:12,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1368288529, now seen corresponding path program 1 times [2022-11-25 23:53:12,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:53:12,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125200683] [2022-11-25 23:53:12,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:53:12,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:53:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:53:13,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:53:13,378 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:53:13,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125200683] [2022-11-25 23:53:13,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125200683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:53:13,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:53:13,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:53:13,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545158066] [2022-11-25 23:53:13,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:53:13,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:53:13,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:53:13,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:53:13,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:53:13,381 INFO L87 Difference]: Start difference. First operand 24846 states and 37013 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:53:15,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:53:17,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:53:22,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:53:28,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:53:31,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:53:31,558 INFO L93 Difference]: Finished difference Result 63242 states and 94368 transitions. [2022-11-25 23:53:31,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:53:31,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 74 [2022-11-25 23:53:31,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:53:31,740 INFO L225 Difference]: With dead ends: 63242 [2022-11-25 23:53:31,740 INFO L226 Difference]: Without dead ends: 38397 [2022-11-25 23:53:31,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:53:31,827 INFO L413 NwaCegarLoop]: 4234 mSDtfsCounter, 2528 mSDsluCounter, 2457 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 127 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2531 SdHoareTripleChecker+Valid, 6691 SdHoareTripleChecker+Invalid, 1332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:53:31,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2531 Valid, 6691 Invalid, 1332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1202 Invalid, 3 Unknown, 0 Unchecked, 16.8s Time] [2022-11-25 23:53:31,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38397 states. [2022-11-25 23:53:33,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38397 to 38360. [2022-11-25 23:53:33,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38360 states, 23066 states have (on average 1.3345616925344663) internal successors, (30783), 24013 states have internal predecessors, (30783), 12850 states have call successors, (12850), 2458 states have call predecessors, (12850), 2443 states have return successors, (12927), 12670 states have call predecessors, (12927), 12844 states have call successors, (12927) [2022-11-25 23:53:33,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38360 states to 38360 states and 56560 transitions. [2022-11-25 23:53:33,696 INFO L78 Accepts]: Start accepts. Automaton has 38360 states and 56560 transitions. Word has length 74 [2022-11-25 23:53:33,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:53:33,696 INFO L495 AbstractCegarLoop]: Abstraction has 38360 states and 56560 transitions. [2022-11-25 23:53:33,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:53:33,697 INFO L276 IsEmpty]: Start isEmpty. Operand 38360 states and 56560 transitions. [2022-11-25 23:53:33,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-25 23:53:33,711 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:53:33,711 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:53:33,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 23:53:33,712 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:53:33,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:53:33,712 INFO L85 PathProgramCache]: Analyzing trace with hash 462198684, now seen corresponding path program 1 times [2022-11-25 23:53:33,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:53:33,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697882044] [2022-11-25 23:53:33,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:53:33,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:53:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:53:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:53:34,264 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:53:34,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697882044] [2022-11-25 23:53:34,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697882044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:53:34,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:53:34,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:53:34,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089848293] [2022-11-25 23:53:34,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:53:34,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:53:34,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:53:34,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:53:34,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:53:34,268 INFO L87 Difference]: Start difference. First operand 38360 states and 56560 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:53:36,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:53:38,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:53:40,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:53:41,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:53:45,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:53:47,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:53:49,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:53:49,416 INFO L93 Difference]: Finished difference Result 38966 states and 57298 transitions. [2022-11-25 23:53:49,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:53:49,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 71 [2022-11-25 23:53:49,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:53:49,584 INFO L225 Difference]: With dead ends: 38966 [2022-11-25 23:53:49,584 INFO L226 Difference]: Without dead ends: 38963 [2022-11-25 23:53:49,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:53:49,602 INFO L413 NwaCegarLoop]: 2903 mSDtfsCounter, 279 mSDsluCounter, 2690 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 5593 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:53:49,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 5593 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 688 Invalid, 3 Unknown, 0 Unchecked, 13.9s Time] [2022-11-25 23:53:49,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38963 states. [2022-11-25 23:53:51,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38963 to 38963. [2022-11-25 23:53:51,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38963 states, 23386 states have (on average 1.331865218506799) internal successors, (31147), 24344 states have internal predecessors, (31147), 13031 states have call successors, (13031), 2560 states have call predecessors, (13031), 2545 states have return successors, (13110), 12852 states have call predecessors, (13110), 13026 states have call successors, (13110) [2022-11-25 23:53:51,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38963 states to 38963 states and 57288 transitions. [2022-11-25 23:53:51,593 INFO L78 Accepts]: Start accepts. Automaton has 38963 states and 57288 transitions. Word has length 71 [2022-11-25 23:53:51,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:53:51,593 INFO L495 AbstractCegarLoop]: Abstraction has 38963 states and 57288 transitions. [2022-11-25 23:53:51,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:53:51,594 INFO L276 IsEmpty]: Start isEmpty. Operand 38963 states and 57288 transitions. [2022-11-25 23:53:51,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-25 23:53:51,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:53:51,639 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:53:51,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 23:53:51,640 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:53:51,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:53:51,641 INFO L85 PathProgramCache]: Analyzing trace with hash -900154318, now seen corresponding path program 1 times [2022-11-25 23:53:51,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:53:51,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945851655] [2022-11-25 23:53:51,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:53:51,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:53:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:53:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-25 23:53:52,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:53:52,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945851655] [2022-11-25 23:53:52,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945851655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:53:52,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:53:52,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:53:52,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514429923] [2022-11-25 23:53:52,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:53:52,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:53:52,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:53:52,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:53:52,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:53:52,546 INFO L87 Difference]: Start difference. First operand 38963 states and 57288 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 23:53:54,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:53:56,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:54:04,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:54:08,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:54:11,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:11,267 INFO L93 Difference]: Finished difference Result 107330 states and 157310 transitions. [2022-11-25 23:54:11,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:54:11,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 96 [2022-11-25 23:54:11,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:11,610 INFO L225 Difference]: With dead ends: 107330 [2022-11-25 23:54:11,610 INFO L226 Difference]: Without dead ends: 68368 [2022-11-25 23:54:11,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:54:11,922 INFO L413 NwaCegarLoop]: 4747 mSDtfsCounter, 2524 mSDsluCounter, 2763 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2527 SdHoareTripleChecker+Valid, 7510 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:11,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2527 Valid, 7510 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 833 Invalid, 4 Unknown, 0 Unchecked, 15.8s Time] [2022-11-25 23:54:11,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68368 states. [2022-11-25 23:54:15,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68368 to 68332. [2022-11-25 23:54:15,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68332 states, 40821 states have (on average 1.326547610298621) internal successors, (54151), 42654 states have internal predecessors, (54151), 22820 states have call successors, (22820), 4719 states have call predecessors, (22820), 4690 states have return successors, (22985), 22460 states have call predecessors, (22985), 22815 states have call successors, (22985) [2022-11-25 23:54:15,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68332 states to 68332 states and 99956 transitions. [2022-11-25 23:54:15,617 INFO L78 Accepts]: Start accepts. Automaton has 68332 states and 99956 transitions. Word has length 96 [2022-11-25 23:54:15,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:15,617 INFO L495 AbstractCegarLoop]: Abstraction has 68332 states and 99956 transitions. [2022-11-25 23:54:15,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 23:54:15,617 INFO L276 IsEmpty]: Start isEmpty. Operand 68332 states and 99956 transitions. [2022-11-25 23:54:15,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-25 23:54:15,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:15,961 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:15,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 23:54:15,961 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:15,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:15,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1833935798, now seen corresponding path program 1 times [2022-11-25 23:54:15,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:15,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985548450] [2022-11-25 23:54:15,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:15,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:17,375 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-25 23:54:17,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:17,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985548450] [2022-11-25 23:54:17,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985548450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:17,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:17,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:54:17,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157810342] [2022-11-25 23:54:17,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:17,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:54:17,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:17,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:54:17,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:54:17,377 INFO L87 Difference]: Start difference. First operand 68332 states and 99956 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 23:54:19,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:54:21,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:54:24,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:54:26,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:54:33,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:54:35,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:35,574 INFO L93 Difference]: Finished difference Result 137767 states and 201639 transitions. [2022-11-25 23:54:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:54:35,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 107 [2022-11-25 23:54:35,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:36,059 INFO L225 Difference]: With dead ends: 137767 [2022-11-25 23:54:36,060 INFO L226 Difference]: Without dead ends: 69436 [2022-11-25 23:54:36,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:54:36,258 INFO L413 NwaCegarLoop]: 2776 mSDtfsCounter, 35 mSDsluCounter, 2755 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 5531 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:36,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 5531 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 674 Invalid, 4 Unknown, 0 Unchecked, 15.2s Time] [2022-11-25 23:54:36,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69436 states. [2022-11-25 23:54:39,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69436 to 68380. [2022-11-25 23:54:39,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68380 states, 40869 states have (on average 1.3261640852479875) internal successors, (54199), 42702 states have internal predecessors, (54199), 22820 states have call successors, (22820), 4719 states have call predecessors, (22820), 4690 states have return successors, (22985), 22460 states have call predecessors, (22985), 22815 states have call successors, (22985) [2022-11-25 23:54:40,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68380 states to 68380 states and 100004 transitions. [2022-11-25 23:54:40,207 INFO L78 Accepts]: Start accepts. Automaton has 68380 states and 100004 transitions. Word has length 107 [2022-11-25 23:54:40,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:40,208 INFO L495 AbstractCegarLoop]: Abstraction has 68380 states and 100004 transitions. [2022-11-25 23:54:40,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 23:54:40,208 INFO L276 IsEmpty]: Start isEmpty. Operand 68380 states and 100004 transitions. [2022-11-25 23:54:40,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-25 23:54:40,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:40,274 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:40,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 23:54:40,275 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:40,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:40,275 INFO L85 PathProgramCache]: Analyzing trace with hash 987666784, now seen corresponding path program 1 times [2022-11-25 23:54:40,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:40,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275584409] [2022-11-25 23:54:40,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:40,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-25 23:54:42,074 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:42,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275584409] [2022-11-25 23:54:42,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275584409] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:54:42,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146830065] [2022-11-25 23:54:42,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:42,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:54:42,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:54:42,082 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:54:42,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:54:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:45,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 7162 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:54:45,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:54:46,107 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-25 23:54:46,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:54:46,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146830065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:46,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:54:46,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-25 23:54:46,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117967701] [2022-11-25 23:54:46,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:46,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:54:46,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:46,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:54:46,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:54:46,110 INFO L87 Difference]: Start difference. First operand 68380 states and 100004 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-25 23:54:48,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:54:50,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:54:53,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:54:57,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:54:59,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:55:01,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:55:05,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:55:08,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:08,661 INFO L93 Difference]: Finished difference Result 102859 states and 150602 transitions. [2022-11-25 23:55:08,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:55:08,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 144 [2022-11-25 23:55:08,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:09,058 INFO L225 Difference]: With dead ends: 102859 [2022-11-25 23:55:09,058 INFO L226 Difference]: Without dead ends: 102856 [2022-11-25 23:55:09,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:55:09,255 INFO L413 NwaCegarLoop]: 3942 mSDtfsCounter, 2970 mSDsluCounter, 2756 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2974 SdHoareTripleChecker+Valid, 6698 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:09,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2974 Valid, 6698 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 732 Invalid, 5 Unknown, 0 Unchecked, 19.4s Time] [2022-11-25 23:55:09,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102856 states. [2022-11-25 23:55:14,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102856 to 102838. [2022-11-25 23:55:14,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102838 states, 61434 states have (on average 1.326985057134486) internal successors, (81522), 64219 states have internal predecessors, (81522), 34393 states have call successors, (34393), 7055 states have call predecessors, (34393), 7010 states have return successors, (34666), 33825 states have call predecessors, (34666), 34388 states have call successors, (34666) [2022-11-25 23:55:14,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102838 states to 102838 states and 150581 transitions. [2022-11-25 23:55:14,791 INFO L78 Accepts]: Start accepts. Automaton has 102838 states and 150581 transitions. Word has length 144 [2022-11-25 23:55:14,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:14,791 INFO L495 AbstractCegarLoop]: Abstraction has 102838 states and 150581 transitions. [2022-11-25 23:55:14,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-25 23:55:14,792 INFO L276 IsEmpty]: Start isEmpty. Operand 102838 states and 150581 transitions. [2022-11-25 23:55:14,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-25 23:55:14,846 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:14,846 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:55:14,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:55:15,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-25 23:55:15,047 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:55:15,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:15,048 INFO L85 PathProgramCache]: Analyzing trace with hash 551693151, now seen corresponding path program 1 times [2022-11-25 23:55:15,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:15,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926074426] [2022-11-25 23:55:15,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:15,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-25 23:55:17,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:17,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926074426] [2022-11-25 23:55:17,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926074426] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:55:17,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207855064] [2022-11-25 23:55:17,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:17,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:55:17,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:55:17,014 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:55:17,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1239cff-a7c1-4bd3-bdb3-766d3c1716e1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:55:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:20,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 7164 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:55:20,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:55:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-25 23:55:21,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:55:21,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207855064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:21,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:55:21,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-25 23:55:21,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3552547] [2022-11-25 23:55:21,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:21,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:55:21,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:21,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:55:21,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:55:21,378 INFO L87 Difference]: Start difference. First operand 102838 states and 150581 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-25 23:55:23,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:55:25,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:55:27,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:55:29,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []