./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56e2217-66a6-439c-bad3-849377aaf378/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56e2217-66a6-439c-bad3-849377aaf378/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_f56e2217-66a6-439c-bad3-849377aaf378/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56e2217-66a6-439c-bad3-849377aaf378/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56e2217-66a6-439c-bad3-849377aaf378/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_f56e2217-66a6-439c-bad3-849377aaf378/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 267df3d840ee451a69f2c9c23fc4c286b307e31eb8c416518f7dce9b4c82858a --- 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 23:23:47,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:23:47,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:23:47,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:23:47,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:23:47,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:23:47,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:23:47,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:23:47,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:23:47,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:23:47,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:23:47,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:23:47,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:23:47,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:23:47,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:23:47,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:23:47,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:23:47,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:23:47,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:23:47,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:23:47,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:23:47,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:23:47,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:23:47,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:23:47,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:23:47,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:23:47,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:23:47,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:23:47,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:23:47,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:23:47,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:23:47,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:23:47,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:23:47,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:23:47,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:23:47,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:23:47,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:23:47,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:23:47,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:23:47,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:23:47,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:23:47,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56e2217-66a6-439c-bad3-849377aaf378/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:23:47,863 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:23:47,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:23:47,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:23:47,865 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:23:47,866 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:23:47,866 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:23:47,867 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:23:47,867 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:23:47,867 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:23:47,867 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:23:47,869 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:23:47,869 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:23:47,869 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:23:47,869 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:23:47,870 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:23:47,870 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:23:47,870 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:23:47,871 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:23:47,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:23:47,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:23:47,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:23:47,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:23:47,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:23:47,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:23:47,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:23:47,873 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:23:47,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:23:47,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:23:47,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:23:47,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:23:47,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:23:47,875 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:23:47,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:23:47,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:23:47,876 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:23:47,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:23:47,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:23:47,877 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:23:47,877 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_f56e2217-66a6-439c-bad3-849377aaf378/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56e2217-66a6-439c-bad3-849377aaf378/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 267df3d840ee451a69f2c9c23fc4c286b307e31eb8c416518f7dce9b4c82858a [2022-11-25 23:23:48,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:23:48,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:23:48,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:23:48,185 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:23:48,186 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:23:48,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56e2217-66a6-439c-bad3-849377aaf378/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-11-25 23:23:51,277 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:23:51,895 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:23:51,896 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56e2217-66a6-439c-bad3-849377aaf378/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-11-25 23:23:51,941 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56e2217-66a6-439c-bad3-849377aaf378/bin/utaipan-ByfvJB40ur/data/bf9a43685/45c063707ced415486c6e9662bf38aa6/FLAG9bebefde0 [2022-11-25 23:23:51,956 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56e2217-66a6-439c-bad3-849377aaf378/bin/utaipan-ByfvJB40ur/data/bf9a43685/45c063707ced415486c6e9662bf38aa6 [2022-11-25 23:23:51,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:23:51,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:23:51,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:23:51,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:23:51,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:23:51,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:23:51" (1/1) ... [2022-11-25 23:23:51,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333b1770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:51, skipping insertion in model container [2022-11-25 23:23:51,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:23:51" (1/1) ... [2022-11-25 23:23:51,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:23:52,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:23:52,707 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:23:52,746 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-11-25 23:23:52,772 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:23:52,777 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:23:52,863 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:23:52,867 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:23:52,867 WARN L623 FunctionHandler]: Unknown extern function idr_find_slowpath [2022-11-25 23:23:52,878 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:23:52,885 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:23:52,953 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:53,077 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-11-25 23:23:53,521 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:53,522 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:53,523 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:53,524 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:53,530 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,531 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:53,532 WARN L623 FunctionHandler]: Unknown extern function idr_alloc [2022-11-25 23:23:53,533 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:53,534 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-25 23:23:53,534 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:53,539 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:53,539 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-25 23:23:53,540 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:53,547 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-11-25 23:23:53,548 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-11-25 23:23:53,548 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-11-25 23:23:53,549 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:23:53,555 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-11-25 23:23:53,556 WARN L623 FunctionHandler]: Unknown extern function tty_port_install [2022-11-25 23:23:53,556 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:53,557 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-11-25 23:23:53,558 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:53,563 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:53,564 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:53,571 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,572 WARN L623 FunctionHandler]: Unknown extern function tty_port_open [2022-11-25 23:23:53,584 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,585 WARN L623 FunctionHandler]: Unknown extern function tty_port_hangup [2022-11-25 23:23:53,591 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,592 WARN L623 FunctionHandler]: Unknown extern function tty_port_close [2022-11-25 23:23:53,598 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,600 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:53,601 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-11-25 23:23:53,602 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:53,613 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,628 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,638 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,650 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,653 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:53,655 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:53,674 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,685 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,693 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,709 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,714 WARN L623 FunctionHandler]: Unknown extern function tty_termios_copy_hw [2022-11-25 23:23:53,720 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,727 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 23:23:53,728 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:23:53,732 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:23:53,735 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:23:53,735 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:23:53,737 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:23:53,738 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:23:53,741 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:23:53,742 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-11-25 23:23:53,743 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:53,748 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-25 23:23:53,755 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,766 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,781 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,798 WARN L623 FunctionHandler]: Unknown extern function tty_port_tty_wakeup [2022-11-25 23:23:53,802 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-11-25 23:23:53,803 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-11-25 23:23:53,803 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-11-25 23:23:53,803 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-11-25 23:23:53,808 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-11-25 23:23:53,808 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-11-25 23:23:53,809 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-11-25 23:23:53,809 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-11-25 23:23:53,815 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,816 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 23:23:53,817 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 23:23:53,817 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 23:23:53,819 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:23:53,820 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 23:23:53,821 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:23:53,821 WARN L623 FunctionHandler]: Unknown extern function __kfifo_free [2022-11-25 23:23:53,822 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:23:53,822 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:23:53,823 WARN L623 FunctionHandler]: Unknown extern function tty_port_destroy [2022-11-25 23:23:53,823 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:23:53,829 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-11-25 23:23:53,829 WARN L623 FunctionHandler]: Unknown extern function usb_get_intf [2022-11-25 23:23:53,831 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:23:53,835 WARN L623 FunctionHandler]: Unknown extern function usb_match_one_id [2022-11-25 23:23:53,843 WARN L623 FunctionHandler]: Unknown extern function usb_match_id [2022-11-25 23:23:53,845 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,849 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,879 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:23:53,890 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:53,891 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:53,892 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,894 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:53,894 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:53,895 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:53,897 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,900 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,902 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,905 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,907 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,914 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,916 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:23:53,917 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:53,917 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:23:53,918 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:23:53,919 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:23:53,920 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:23:53,922 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,924 WARN L623 FunctionHandler]: Unknown extern function tty_port_init [2022-11-25 23:23:53,925 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:23:53,925 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:23:53,925 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:23:53,927 WARN L623 FunctionHandler]: Unknown extern function device_initialize [2022-11-25 23:23:53,930 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 23:23:53,941 WARN L623 FunctionHandler]: Unknown extern function __kfifo_alloc [2022-11-25 23:23:53,943 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 23:23:53,946 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 23:23:53,948 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,950 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 23:23:53,955 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,956 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:53,956 WARN L623 FunctionHandler]: Unknown extern function dev_set_name [2022-11-25 23:23:53,957 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:53,958 WARN L623 FunctionHandler]: Unknown extern function device_add [2022-11-25 23:23:53,958 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:53,964 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:53,965 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:53,965 WARN L623 FunctionHandler]: Unknown extern function tty_port_tty_get [2022-11-25 23:23:53,966 WARN L623 FunctionHandler]: Unknown extern function tty_vhangup [2022-11-25 23:23:53,966 WARN L623 FunctionHandler]: Unknown extern function tty_kref_put [2022-11-25 23:23:53,966 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:23:53,967 WARN L623 FunctionHandler]: Unknown extern function device_del [2022-11-25 23:23:53,968 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:23:53,993 WARN L623 FunctionHandler]: Unknown extern function bus_register [2022-11-25 23:23:53,994 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:54,001 WARN L623 FunctionHandler]: Unknown extern function tty_set_operations [2022-11-25 23:23:54,002 WARN L623 FunctionHandler]: Unknown extern function tty_register_driver [2022-11-25 23:23:54,003 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:54,004 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:54,005 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:54,007 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_driver [2022-11-25 23:23:54,008 WARN L623 FunctionHandler]: Unknown extern function bus_unregister [2022-11-25 23:23:54,008 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:54,008 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-11-25 23:23:54,017 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_driver [2022-11-25 23:23:54,020 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-11-25 23:23:54,020 WARN L623 FunctionHandler]: Unknown extern function bus_unregister [2022-11-25 23:23:54,026 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:54,028 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:54,029 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:54,031 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:54,032 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:54,034 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:54,035 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:54,070 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:54,071 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:54,073 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:54,077 WARN L623 FunctionHandler]: Unknown extern function usb_disabled [2022-11-25 23:23:54,080 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 23:23:54,081 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:54,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:54,082 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:23:54,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:54,083 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:54,087 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:54,087 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:54,089 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:23:54,089 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:54,093 WARN L623 FunctionHandler]: Unknown extern function driver_attach [2022-11-25 23:23:54,095 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:23:54,114 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:54,139 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:23:54,159 WARN L623 FunctionHandler]: Unknown extern function ldv_destruct_7 [2022-11-25 23:23:54,159 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-25 23:23:54,160 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 23:23:54,161 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 23:23:54,164 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_5 [2022-11-25 23:23:54,169 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:23:54,170 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:23:54,170 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:23:54,171 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:23:54,171 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:23:54,173 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 23:23:54,174 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 23:23:54,174 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 23:23:54,175 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 23:23:54,175 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 23:23:54,176 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 23:23:54,176 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 23:23:54,217 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:23:54,239 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:23:54,247 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:23:54,251 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:23:54,318 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-11-25 23:23:54,339 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_flags [2022-11-25 23:23:54,343 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_fixed_flag [2022-11-25 23:23:54,405 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,410 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:54,412 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:23:54,412 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:54,413 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:23:54,415 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:54,415 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out_r [2022-11-25 23:23:54,416 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out [2022-11-25 23:23:54,417 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:54,418 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-11-25 23:23:54,419 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:54,419 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-25 23:23:54,421 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:54,422 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:54,425 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:54,425 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in_r [2022-11-25 23:23:54,426 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-11-25 23:23:54,428 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:54,429 WARN L623 FunctionHandler]: Unknown extern function __kfifo_max_r [2022-11-25 23:23:54,430 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,431 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:54,435 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,443 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-25 23:23:54,444 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-25 23:23:54,444 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,444 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-25 23:23:54,451 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,451 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-25 23:23:54,452 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:54,454 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:23:54,456 WARN L623 FunctionHandler]: Unknown extern function tty_flip_buffer_push [2022-11-25 23:23:54,458 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,460 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,461 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:54,463 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,464 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:54,469 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:54,475 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,476 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:54,478 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:54,480 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:54,490 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:54,493 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:54,495 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:23:54,495 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:23:54,496 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:23:54,496 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:23:54,498 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:54,501 WARN L623 FunctionHandler]: Unknown extern function handle_sysrq [2022-11-25 23:23:54,505 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,505 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_ref [2022-11-25 23:23:54,506 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_deref [2022-11-25 23:23:54,506 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:23:54,507 WARN L623 FunctionHandler]: Unknown extern function tty_hangup [2022-11-25 23:23:54,522 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_4 [2022-11-25 23:23:54,522 WARN L623 FunctionHandler]: Unknown extern function ldv_release_4 [2022-11-25 23:23:54,523 WARN L623 FunctionHandler]: Unknown extern function ldv_release_4 [2022-11-25 23:23:54,523 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_4 [2022-11-25 23:23:54,524 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:23:54,524 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:23:54,525 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:23:54,526 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:23:54,526 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:23:54,593 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-11-25 23:23:54,595 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-11-25 23:23:54,596 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:23:54,604 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-11-25 23:23:54,608 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-11-25 23:23:54,609 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:23:54,610 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-11-25 23:23:54,614 WARN L623 FunctionHandler]: Unknown extern function usb_store_new_id [2022-11-25 23:23:54,615 WARN L623 FunctionHandler]: Unknown extern function usb_store_new_id [2022-11-25 23:23:54,620 WARN L623 FunctionHandler]: Unknown extern function usb_show_dynids [2022-11-25 23:23:54,625 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:23:54,625 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:23:54,627 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:23:54,629 WARN L623 FunctionHandler]: Unknown extern function driver_register [2022-11-25 23:23:54,629 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-11-25 23:23:54,633 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:23:54,634 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:23:54,635 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:23:54,635 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:23:54,635 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:23:54,636 WARN L623 FunctionHandler]: Unknown extern function tty_register_device [2022-11-25 23:23:54,637 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_device [2022-11-25 23:23:54,641 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_f56e2217-66a6-439c-bad3-849377aaf378/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[313744,313757] [2022-11-25 23:23:54,671 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:54,686 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:54,693 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:54,694 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:54,694 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:54,695 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:54,697 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:54,697 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:54,697 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:54,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:23:54,758 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:23:54,889 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:23:54,891 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-11-25 23:23:54,892 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:23:54,892 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:23:54,894 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:23:54,895 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:23:54,896 WARN L623 FunctionHandler]: Unknown extern function idr_find_slowpath [2022-11-25 23:23:54,897 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:23:54,898 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:23:54,900 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:54,905 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-11-25 23:23:54,921 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:54,924 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:54,924 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:54,925 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:54,926 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,927 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:54,927 WARN L623 FunctionHandler]: Unknown extern function idr_alloc [2022-11-25 23:23:54,928 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:54,928 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-25 23:23:54,929 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:54,930 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:54,930 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-25 23:23:54,931 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:54,936 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-11-25 23:23:54,936 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-11-25 23:23:54,937 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-11-25 23:23:54,937 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:23:54,941 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-11-25 23:23:54,941 WARN L623 FunctionHandler]: Unknown extern function tty_port_install [2022-11-25 23:23:54,941 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:54,944 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-11-25 23:23:54,945 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:54,948 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:54,952 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:54,954 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,955 WARN L623 FunctionHandler]: Unknown extern function tty_port_open [2022-11-25 23:23:54,960 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,962 WARN L623 FunctionHandler]: Unknown extern function tty_port_hangup [2022-11-25 23:23:54,963 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,965 WARN L623 FunctionHandler]: Unknown extern function tty_port_close [2022-11-25 23:23:54,966 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,970 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:54,971 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-11-25 23:23:54,971 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:54,973 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,979 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,986 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,992 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:54,994 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:54,997 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:54,998 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,003 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,048 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,058 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,066 WARN L623 FunctionHandler]: Unknown extern function tty_termios_copy_hw [2022-11-25 23:23:55,068 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,074 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 23:23:55,077 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:23:55,079 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:23:55,080 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:23:55,080 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:23:55,081 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:23:55,081 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:23:55,082 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:23:55,082 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-11-25 23:23:55,083 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:55,083 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-25 23:23:55,086 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,093 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,100 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,106 WARN L623 FunctionHandler]: Unknown extern function tty_port_tty_wakeup [2022-11-25 23:23:55,107 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-11-25 23:23:55,108 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-11-25 23:23:55,108 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-11-25 23:23:55,108 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-11-25 23:23:55,109 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-11-25 23:23:55,109 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-11-25 23:23:55,110 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-11-25 23:23:55,110 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-11-25 23:23:55,112 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,113 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 23:23:55,113 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 23:23:55,113 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 23:23:55,114 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:23:55,114 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 23:23:55,114 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:23:55,115 WARN L623 FunctionHandler]: Unknown extern function __kfifo_free [2022-11-25 23:23:55,115 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:23:55,116 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:23:55,116 WARN L623 FunctionHandler]: Unknown extern function tty_port_destroy [2022-11-25 23:23:55,116 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:23:55,117 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-11-25 23:23:55,121 WARN L623 FunctionHandler]: Unknown extern function usb_get_intf [2022-11-25 23:23:55,122 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:23:55,123 WARN L623 FunctionHandler]: Unknown extern function usb_match_one_id [2022-11-25 23:23:55,124 WARN L623 FunctionHandler]: Unknown extern function usb_match_id [2022-11-25 23:23:55,125 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,126 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,138 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:23:55,142 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:55,143 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:55,144 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,145 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:55,145 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:55,145 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:55,147 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,149 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,150 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,152 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,153 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,156 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,157 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:23:55,158 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:55,158 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:23:55,159 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:23:55,160 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 23:23:55,160 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:23:55,162 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,163 WARN L623 FunctionHandler]: Unknown extern function tty_port_init [2022-11-25 23:23:55,166 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:23:55,166 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:23:55,166 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:23:55,170 WARN L623 FunctionHandler]: Unknown extern function device_initialize [2022-11-25 23:23:55,172 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 23:23:55,176 WARN L623 FunctionHandler]: Unknown extern function __kfifo_alloc [2022-11-25 23:23:55,177 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 23:23:55,181 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 23:23:55,185 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,186 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 23:23:55,190 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,192 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:55,192 WARN L623 FunctionHandler]: Unknown extern function dev_set_name [2022-11-25 23:23:55,193 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,194 WARN L623 FunctionHandler]: Unknown extern function device_add [2022-11-25 23:23:55,194 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:55,197 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:55,197 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:55,198 WARN L623 FunctionHandler]: Unknown extern function tty_port_tty_get [2022-11-25 23:23:55,198 WARN L623 FunctionHandler]: Unknown extern function tty_vhangup [2022-11-25 23:23:55,199 WARN L623 FunctionHandler]: Unknown extern function tty_kref_put [2022-11-25 23:23:55,199 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:23:55,200 WARN L623 FunctionHandler]: Unknown extern function device_del [2022-11-25 23:23:55,203 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:23:55,214 WARN L623 FunctionHandler]: Unknown extern function bus_register [2022-11-25 23:23:55,215 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:55,217 WARN L623 FunctionHandler]: Unknown extern function tty_set_operations [2022-11-25 23:23:55,217 WARN L623 FunctionHandler]: Unknown extern function tty_register_driver [2022-11-25 23:23:55,218 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:55,218 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:55,219 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:55,219 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_driver [2022-11-25 23:23:55,219 WARN L623 FunctionHandler]: Unknown extern function bus_unregister [2022-11-25 23:23:55,220 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:55,220 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-11-25 23:23:55,221 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_driver [2022-11-25 23:23:55,221 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-11-25 23:23:55,221 WARN L623 FunctionHandler]: Unknown extern function bus_unregister [2022-11-25 23:23:55,223 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:55,224 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:55,225 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:55,226 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:55,227 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:55,229 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:55,230 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:55,231 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:55,232 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:55,233 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:23:55,234 WARN L623 FunctionHandler]: Unknown extern function usb_disabled [2022-11-25 23:23:55,235 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 23:23:55,236 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:55,236 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:55,236 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:23:55,237 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:55,237 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:55,237 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:55,238 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:23:55,238 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:23:55,238 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:23:55,240 WARN L623 FunctionHandler]: Unknown extern function driver_attach [2022-11-25 23:23:55,242 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:23:55,244 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:55,248 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:23:55,253 WARN L623 FunctionHandler]: Unknown extern function ldv_destruct_7 [2022-11-25 23:23:55,254 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-25 23:23:55,254 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 23:23:55,254 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 23:23:55,257 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_5 [2022-11-25 23:23:55,258 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:23:55,258 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:23:55,259 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:23:55,259 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:23:55,260 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:23:55,261 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 23:23:55,261 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 23:23:55,262 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 23:23:55,262 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 23:23:55,262 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 23:23:55,263 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 23:23:55,263 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 23:23:55,264 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:23:55,265 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:23:55,266 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:23:55,266 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:23:55,268 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-11-25 23:23:55,269 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_flags [2022-11-25 23:23:55,269 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_fixed_flag [2022-11-25 23:23:55,271 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,273 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:55,274 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:23:55,275 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:55,276 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:23:55,277 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:55,278 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out_r [2022-11-25 23:23:55,278 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out [2022-11-25 23:23:55,279 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:55,279 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-11-25 23:23:55,282 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:55,282 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-25 23:23:55,309 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:55,310 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:55,311 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:55,312 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in_r [2022-11-25 23:23:55,312 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-11-25 23:23:55,314 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:55,314 WARN L623 FunctionHandler]: Unknown extern function __kfifo_max_r [2022-11-25 23:23:55,316 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,317 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:55,318 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,321 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-25 23:23:55,321 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-11-25 23:23:55,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,322 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-25 23:23:55,325 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,326 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-25 23:23:55,326 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:55,327 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:23:55,329 WARN L623 FunctionHandler]: Unknown extern function tty_flip_buffer_push [2022-11-25 23:23:55,331 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,332 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,332 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:55,333 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,335 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:55,337 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:55,338 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,339 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:55,340 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 23:23:55,342 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:55,343 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:55,346 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:55,347 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:23:55,347 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:23:55,348 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:23:55,348 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:23:55,349 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:23:55,353 WARN L623 FunctionHandler]: Unknown extern function handle_sysrq [2022-11-25 23:23:55,355 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 23:23:55,356 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_ref [2022-11-25 23:23:55,358 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_deref [2022-11-25 23:23:55,358 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:23:55,359 WARN L623 FunctionHandler]: Unknown extern function tty_hangup [2022-11-25 23:23:55,363 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_4 [2022-11-25 23:23:55,364 WARN L623 FunctionHandler]: Unknown extern function ldv_release_4 [2022-11-25 23:23:55,364 WARN L623 FunctionHandler]: Unknown extern function ldv_release_4 [2022-11-25 23:23:55,365 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_4 [2022-11-25 23:23:55,365 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:23:55,366 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:23:55,366 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:23:55,366 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:23:55,367 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:23:55,368 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-11-25 23:23:55,373 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-11-25 23:23:55,374 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:23:55,380 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-11-25 23:23:55,382 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-11-25 23:23:55,387 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 23:23:55,387 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-11-25 23:23:55,389 WARN L623 FunctionHandler]: Unknown extern function usb_store_new_id [2022-11-25 23:23:55,390 WARN L623 FunctionHandler]: Unknown extern function usb_store_new_id [2022-11-25 23:23:55,390 WARN L623 FunctionHandler]: Unknown extern function usb_show_dynids [2022-11-25 23:23:55,392 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:23:55,393 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:23:55,394 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:23:55,394 WARN L623 FunctionHandler]: Unknown extern function driver_register [2022-11-25 23:23:55,395 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-11-25 23:23:55,397 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:23:55,397 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:23:55,398 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:23:55,398 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:23:55,399 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:23:55,399 WARN L623 FunctionHandler]: Unknown extern function tty_register_device [2022-11-25 23:23:55,400 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_device [2022-11-25 23:23:55,400 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_f56e2217-66a6-439c-bad3-849377aaf378/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[313744,313757] [2022-11-25 23:23:55,403 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:55,405 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:55,408 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:55,408 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:55,409 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:55,409 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:55,410 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:55,410 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:55,410 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:23:55,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:23:55,626 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:23:55,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:55 WrapperNode [2022-11-25 23:23:55,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:23:55,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:23:55,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:23:55,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:23:55,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:55" (1/1) ... [2022-11-25 23:23:55,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:55" (1/1) ... [2022-11-25 23:23:55,936 INFO L138 Inliner]: procedures = 388, calls = 3928, calls flagged for inlining = 190, calls inlined = 187, statements flattened = 7911 [2022-11-25 23:23:55,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:23:55,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:23:55,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:23:55,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:23:55,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:55" (1/1) ... [2022-11-25 23:23:55,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:55" (1/1) ... [2022-11-25 23:23:55,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:55" (1/1) ... [2022-11-25 23:23:55,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:55" (1/1) ... [2022-11-25 23:23:56,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:55" (1/1) ... [2022-11-25 23:23:56,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:55" (1/1) ... [2022-11-25 23:23:56,359 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:55" (1/1) ... [2022-11-25 23:23:56,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:55" (1/1) ... [2022-11-25 23:23:56,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:23:56,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:23:56,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:23:56,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:23:56,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:55" (1/1) ... [2022-11-25 23:23:56,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:23:56,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56e2217-66a6-439c-bad3-849377aaf378/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:23:56,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56e2217-66a6-439c-bad3-849377aaf378/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:23:56,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56e2217-66a6-439c-bad3-849377aaf378/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:23:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2022-11-25 23:23:56,603 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2022-11-25 23:23:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2022-11-25 23:23:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2022-11-25 23:23:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2022-11-25 23:23:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2022-11-25 23:23:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-25 23:23:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-25 23:23:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 23:23:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 23:23:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-11-25 23:23:56,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-11-25 23:23:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2022-11-25 23:23:56,605 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2022-11-25 23:23:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2022-11-25 23:23:56,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2022-11-25 23:23:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-25 23:23:56,606 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-25 23:23:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2022-11-25 23:23:56,606 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2022-11-25 23:23:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:23:56,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:23:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-11-25 23:23:56,607 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-11-25 23:23:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2022-11-25 23:23:56,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2022-11-25 23:23:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2022-11-25 23:23:56,607 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2022-11-25 23:23:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2022-11-25 23:23:56,608 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2022-11-25 23:23:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-25 23:23:56,608 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-25 23:23:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-11-25 23:23:56,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-11-25 23:23:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2022-11-25 23:23:56,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2022-11-25 23:23:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2022-11-25 23:23:56,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2022-11-25 23:23:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-25 23:23:56,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-25 23:23:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2022-11-25 23:23:56,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2022-11-25 23:23:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 23:23:56,610 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 23:23:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2022-11-25 23:23:56,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2022-11-25 23:23:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2022-11-25 23:23:56,610 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2022-11-25 23:23:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2022-11-25 23:23:56,611 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2022-11-25 23:23:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2022-11-25 23:23:56,611 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2022-11-25 23:23:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-25 23:23:56,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-25 23:23:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 23:23:56,612 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 23:23:56,612 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2022-11-25 23:23:56,612 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2022-11-25 23:23:56,612 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2022-11-25 23:23:56,613 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2022-11-25 23:23:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-25 23:23:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2022-11-25 23:23:56,613 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2022-11-25 23:23:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 23:23:56,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 23:23:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 23:23:56,614 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 23:23:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2022-11-25 23:23:56,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2022-11-25 23:23:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:23:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-25 23:23:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-25 23:23:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-25 23:23:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-25 23:23:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2022-11-25 23:23:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2022-11-25 23:23:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 23:23:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 23:23:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2022-11-25 23:23:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2022-11-25 23:23:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-11-25 23:23:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-11-25 23:23:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-25 23:23:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-25 23:23:56,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 23:23:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2022-11-25 23:23:56,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2022-11-25 23:23:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 23:23:56,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 23:23:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 23:23:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2022-11-25 23:23:56,620 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2022-11-25 23:23:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2022-11-25 23:23:56,620 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2022-11-25 23:23:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-25 23:23:56,620 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-25 23:23:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:23:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-25 23:23:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-25 23:23:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2022-11-25 23:23:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2022-11-25 23:23:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-11-25 23:23:56,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-11-25 23:23:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-25 23:23:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-25 23:23:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-11-25 23:23:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-11-25 23:23:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-25 23:23:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-25 23:23:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:23:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:23:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:23:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 23:23:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:23:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:23:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 23:23:56,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 23:23:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2022-11-25 23:23:56,624 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2022-11-25 23:23:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-25 23:23:56,625 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-25 23:23:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2022-11-25 23:23:56,625 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2022-11-25 23:23:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 23:23:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 23:23:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2022-11-25 23:23:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2022-11-25 23:23:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 23:23:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 23:23:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:23:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:23:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-11-25 23:23:56,627 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-11-25 23:23:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-25 23:23:56,627 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-25 23:23:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2022-11-25 23:23:56,627 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2022-11-25 23:23:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2022-11-25 23:23:56,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2022-11-25 23:23:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-25 23:23:56,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-25 23:23:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-25 23:23:56,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-25 23:23:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-25 23:23:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-25 23:23:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2022-11-25 23:23:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2022-11-25 23:23:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 23:23:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:23:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 23:23:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 23:23:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2022-11-25 23:23:56,630 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2022-11-25 23:23:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2022-11-25 23:23:56,630 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2022-11-25 23:23:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-11-25 23:23:56,630 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-11-25 23:23:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-25 23:23:56,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-25 23:23:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 23:23:56,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 23:23:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-25 23:23:56,631 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-25 23:23:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 23:23:56,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 23:23:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-11-25 23:23:56,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-11-25 23:23:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2022-11-25 23:23:56,632 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2022-11-25 23:23:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2022-11-25 23:23:56,632 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2022-11-25 23:23:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2022-11-25 23:23:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2022-11-25 23:23:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 23:23:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 23:23:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2022-11-25 23:23:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2022-11-25 23:23:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2022-11-25 23:23:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2022-11-25 23:23:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:23:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 23:23:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 23:23:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2022-11-25 23:23:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2022-11-25 23:23:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2022-11-25 23:23:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2022-11-25 23:23:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:23:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-25 23:23:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-25 23:23:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2022-11-25 23:23:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2022-11-25 23:23:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:23:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-25 23:23:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-25 23:23:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-11-25 23:23:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-11-25 23:23:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-25 23:23:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-25 23:23:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2022-11-25 23:23:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2022-11-25 23:23:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-25 23:23:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-25 23:23:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-25 23:23:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-25 23:23:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-25 23:23:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-25 23:23:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2022-11-25 23:23:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2022-11-25 23:23:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2022-11-25 23:23:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2022-11-25 23:23:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-25 23:23:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-25 23:23:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-25 23:23:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-25 23:23:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2022-11-25 23:23:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2022-11-25 23:23:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2022-11-25 23:23:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2022-11-25 23:23:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2022-11-25 23:23:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2022-11-25 23:23:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-25 23:23:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-25 23:23:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2022-11-25 23:23:56,641 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2022-11-25 23:23:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-25 23:23:56,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-25 23:23:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2022-11-25 23:23:56,641 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2022-11-25 23:23:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2022-11-25 23:23:56,642 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2022-11-25 23:23:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 23:23:56,642 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 23:23:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-25 23:23:56,642 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-25 23:23:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:23:56,643 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:23:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:23:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2022-11-25 23:23:56,643 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2022-11-25 23:23:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2022-11-25 23:23:56,643 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2022-11-25 23:23:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-25 23:23:56,644 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-25 23:23:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:23:56,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:23:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2022-11-25 23:23:56,644 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2022-11-25 23:23:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2022-11-25 23:23:56,644 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2022-11-25 23:23:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2022-11-25 23:23:56,645 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2022-11-25 23:23:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-25 23:23:56,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-25 23:23:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2022-11-25 23:23:56,645 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2022-11-25 23:23:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2022-11-25 23:23:56,646 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2022-11-25 23:23:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2022-11-25 23:23:56,646 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2022-11-25 23:23:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-25 23:23:56,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-25 23:23:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2022-11-25 23:23:56,647 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2022-11-25 23:23:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2022-11-25 23:23:56,647 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2022-11-25 23:23:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-11-25 23:23:56,647 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-11-25 23:23:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-25 23:23:56,647 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-25 23:23:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 23:23:56,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 23:23:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2022-11-25 23:23:56,648 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2022-11-25 23:23:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:23:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-11-25 23:23:56,649 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-11-25 23:23:57,817 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:23:57,821 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:23:58,439 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 23:24:13,075 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:24:14,662 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:24:14,662 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:24:14,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:24:14 BoogieIcfgContainer [2022-11-25 23:24:14,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:24:14,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:24:14,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:24:14,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:24:14,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:23:51" (1/3) ... [2022-11-25 23:24:14,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fab5226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:24:14, skipping insertion in model container [2022-11-25 23:24:14,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:55" (2/3) ... [2022-11-25 23:24:14,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fab5226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:24:14, skipping insertion in model container [2022-11-25 23:24:14,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:24:14" (3/3) ... [2022-11-25 23:24:14,677 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-11-25 23:24:14,709 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:24:14,710 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:24:14,847 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:24:14,865 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;@509c6fa7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:24:14,865 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:24:14,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 1802 states, 1152 states have (on average 1.359375) internal successors, (1566), 1188 states have internal predecessors, (1566), 520 states have call successors, (520), 129 states have call predecessors, (520), 128 states have return successors, (509), 496 states have call predecessors, (509), 509 states have call successors, (509) [2022-11-25 23:24:14,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-25 23:24:14,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:24:14,980 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:24:14,981 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:24:14,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:24:14,990 INFO L85 PathProgramCache]: Analyzing trace with hash 647147952, now seen corresponding path program 1 times [2022-11-25 23:24:15,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:24:15,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253498210] [2022-11-25 23:24:15,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:15,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:24:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:24:16,623 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 748 trivial. 0 not checked. [2022-11-25 23:24:16,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:24:16,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253498210] [2022-11-25 23:24:16,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253498210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:24:16,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:24:16,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:24:16,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546628435] [2022-11-25 23:24:16,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:24:16,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:24:16,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:24:16,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:24:16,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:24:16,684 INFO L87 Difference]: Start difference. First operand has 1802 states, 1152 states have (on average 1.359375) internal successors, (1566), 1188 states have internal predecessors, (1566), 520 states have call successors, (520), 129 states have call predecessors, (520), 128 states have return successors, (509), 496 states have call predecessors, (509), 509 states have call successors, (509) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 23:24:20,089 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 23:24:21,278 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 23:24:26,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:24:26,852 INFO L93 Difference]: Finished difference Result 4942 states and 7211 transitions. [2022-11-25 23:24:26,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:24:26,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 228 [2022-11-25 23:24:26,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:24:26,908 INFO L225 Difference]: With dead ends: 4942 [2022-11-25 23:24:26,909 INFO L226 Difference]: Without dead ends: 3146 [2022-11-25 23:24:26,928 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 23:24:26,932 INFO L413 NwaCegarLoop]: 2681 mSDtfsCounter, 1977 mSDsluCounter, 2222 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1977 SdHoareTripleChecker+Valid, 4903 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:24:26,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1977 Valid, 4903 Invalid, 631 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 628 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-11-25 23:24:26,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3146 states. [2022-11-25 23:24:27,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3146 to 3140. [2022-11-25 23:24:27,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3140 states, 2026 states have (on average 1.3543928923988153) internal successors, (2744), 2069 states have internal predecessors, (2744), 877 states have call successors, (877), 237 states have call predecessors, (877), 236 states have return successors, (887), 849 states have call predecessors, (887), 875 states have call successors, (887) [2022-11-25 23:24:27,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4508 transitions. [2022-11-25 23:24:27,298 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4508 transitions. Word has length 228 [2022-11-25 23:24:27,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:24:27,305 INFO L495 AbstractCegarLoop]: Abstraction has 3140 states and 4508 transitions. [2022-11-25 23:24:27,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 23:24:27,305 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4508 transitions. [2022-11-25 23:24:27,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-25 23:24:27,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:24:27,329 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:24:27,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:24:27,329 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:24:27,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:24:27,330 INFO L85 PathProgramCache]: Analyzing trace with hash 514783971, now seen corresponding path program 1 times [2022-11-25 23:24:27,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:24:27,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460344825] [2022-11-25 23:24:27,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:27,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:24:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:24:28,281 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 748 trivial. 0 not checked. [2022-11-25 23:24:28,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:24:28,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460344825] [2022-11-25 23:24:28,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460344825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:24:28,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:24:28,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:24:28,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064013466] [2022-11-25 23:24:28,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:24:28,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:24:28,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:24:28,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:24:28,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:24:28,287 INFO L87 Difference]: Start difference. First operand 3140 states and 4508 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 23:24:30,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:24:32,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:24:34,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:24:37,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:24:38,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:24:42,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:24:42,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:24:42,688 INFO L93 Difference]: Finished difference Result 6363 states and 9169 transitions. [2022-11-25 23:24:42,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:24:42,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 238 [2022-11-25 23:24:42,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:24:42,728 INFO L225 Difference]: With dead ends: 6363 [2022-11-25 23:24:42,728 INFO L226 Difference]: Without dead ends: 4612 [2022-11-25 23:24:42,740 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 23:24:42,741 INFO L413 NwaCegarLoop]: 2727 mSDtfsCounter, 2106 mSDsluCounter, 2199 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2106 SdHoareTripleChecker+Valid, 4926 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:24:42,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2106 Valid, 4926 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 631 Invalid, 2 Unknown, 0 Unchecked, 14.1s Time] [2022-11-25 23:24:42,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4612 states. [2022-11-25 23:24:42,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4612 to 4605. [2022-11-25 23:24:42,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4605 states, 2976 states have (on average 1.3558467741935485) internal successors, (4035), 3041 states have internal predecessors, (4035), 1276 states have call successors, (1276), 353 states have call predecessors, (1276), 352 states have return successors, (1298), 1235 states have call predecessors, (1298), 1274 states have call successors, (1298) [2022-11-25 23:24:42,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4605 states to 4605 states and 6609 transitions. [2022-11-25 23:24:42,968 INFO L78 Accepts]: Start accepts. Automaton has 4605 states and 6609 transitions. Word has length 238 [2022-11-25 23:24:42,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:24:42,972 INFO L495 AbstractCegarLoop]: Abstraction has 4605 states and 6609 transitions. [2022-11-25 23:24:42,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 23:24:42,973 INFO L276 IsEmpty]: Start isEmpty. Operand 4605 states and 6609 transitions. [2022-11-25 23:24:42,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-11-25 23:24:42,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:24:42,988 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:24:42,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:24:42,988 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:24:42,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:24:42,999 INFO L85 PathProgramCache]: Analyzing trace with hash -593290982, now seen corresponding path program 1 times [2022-11-25 23:24:42,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:24:42,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717963435] [2022-11-25 23:24:42,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:43,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:24:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:24:43,796 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2022-11-25 23:24:43,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:24:43,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717963435] [2022-11-25 23:24:43,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717963435] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:24:43,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:24:43,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:24:43,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931302802] [2022-11-25 23:24:43,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:24:43,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:24:43,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:24:43,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:24:43,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:24:43,801 INFO L87 Difference]: Start difference. First operand 4605 states and 6609 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 23:24:45,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:24:48,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:24:51,958 WARN L539 Checker$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 23:24:53,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:24:55,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:24:58,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:24:58,468 INFO L93 Difference]: Finished difference Result 13414 states and 19426 transitions. [2022-11-25 23:24:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:24:58,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 255 [2022-11-25 23:24:58,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:24:58,552 INFO L225 Difference]: With dead ends: 13414 [2022-11-25 23:24:58,552 INFO L226 Difference]: Without dead ends: 8856 [2022-11-25 23:24:58,583 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 23:24:58,584 INFO L413 NwaCegarLoop]: 2845 mSDtfsCounter, 2324 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2324 SdHoareTripleChecker+Valid, 5108 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:24:58,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2324 Valid, 5108 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 669 Invalid, 3 Unknown, 0 Unchecked, 14.3s Time] [2022-11-25 23:24:58,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8856 states. [2022-11-25 23:24:59,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8856 to 8835. [2022-11-25 23:24:59,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8835 states, 5702 states have (on average 1.3551385478779376) internal successors, (7727), 5828 states have internal predecessors, (7727), 2437 states have call successors, (2437), 696 states have call predecessors, (2437), 695 states have return successors, (2700), 2356 states have call predecessors, (2700), 2435 states have call successors, (2700) [2022-11-25 23:24:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8835 states to 8835 states and 12864 transitions. [2022-11-25 23:24:59,166 INFO L78 Accepts]: Start accepts. Automaton has 8835 states and 12864 transitions. Word has length 255 [2022-11-25 23:24:59,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:24:59,167 INFO L495 AbstractCegarLoop]: Abstraction has 8835 states and 12864 transitions. [2022-11-25 23:24:59,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 23:24:59,169 INFO L276 IsEmpty]: Start isEmpty. Operand 8835 states and 12864 transitions. [2022-11-25 23:24:59,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-25 23:24:59,181 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:24:59,181 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:24:59,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:24:59,182 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:24:59,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:24:59,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1357432723, now seen corresponding path program 1 times [2022-11-25 23:24:59,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:24:59,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153351879] [2022-11-25 23:24:59,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:59,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:24:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:24:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 748 trivial. 0 not checked. [2022-11-25 23:24:59,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:24:59,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153351879] [2022-11-25 23:24:59,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153351879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:24:59,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:24:59,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:24:59,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165538205] [2022-11-25 23:24:59,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:24:59,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:24:59,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:24:59,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:24:59,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:24:59,845 INFO L87 Difference]: Start difference. First operand 8835 states and 12864 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 23:25:01,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:04,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:06,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:09,615 WARN L539 Checker$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 23:25:13,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:25:13,803 INFO L93 Difference]: Finished difference Result 24612 states and 35640 transitions. [2022-11-25 23:25:13,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:25:13,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 256 [2022-11-25 23:25:13,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:25:13,938 INFO L225 Difference]: With dead ends: 24612 [2022-11-25 23:25:13,938 INFO L226 Difference]: Without dead ends: 15824 [2022-11-25 23:25:13,999 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 23:25:14,000 INFO L413 NwaCegarLoop]: 3144 mSDtfsCounter, 2033 mSDsluCounter, 2163 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2036 SdHoareTripleChecker+Valid, 5307 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:25:14,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2036 Valid, 5307 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 797 Invalid, 3 Unknown, 0 Unchecked, 13.3s Time] [2022-11-25 23:25:14,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15824 states. [2022-11-25 23:25:14,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15824 to 15800. [2022-11-25 23:25:14,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15800 states, 10146 states have (on average 1.3484131677508377) internal successors, (13681), 10394 states have internal predecessors, (13681), 4342 states have call successors, (4342), 1312 states have call predecessors, (4342), 1311 states have return successors, (4794), 4174 states have call predecessors, (4794), 4340 states have call successors, (4794) [2022-11-25 23:25:14,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15800 states to 15800 states and 22817 transitions. [2022-11-25 23:25:14,948 INFO L78 Accepts]: Start accepts. Automaton has 15800 states and 22817 transitions. Word has length 256 [2022-11-25 23:25:14,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:25:14,949 INFO L495 AbstractCegarLoop]: Abstraction has 15800 states and 22817 transitions. [2022-11-25 23:25:14,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 23:25:14,950 INFO L276 IsEmpty]: Start isEmpty. Operand 15800 states and 22817 transitions. [2022-11-25 23:25:14,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-25 23:25:14,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:14,959 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:25:14,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:25:14,960 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:25:14,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:14,960 INFO L85 PathProgramCache]: Analyzing trace with hash -2063127038, now seen corresponding path program 1 times [2022-11-25 23:25:14,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:14,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690900684] [2022-11-25 23:25:14,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:14,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 748 trivial. 0 not checked. [2022-11-25 23:25:15,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:25:15,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690900684] [2022-11-25 23:25:15,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690900684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:25:15,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:25:15,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:25:15,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057306859] [2022-11-25 23:25:15,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:25:15,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:25:15,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:25:15,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:25:15,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:15,626 INFO L87 Difference]: Start difference. First operand 15800 states and 22817 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, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 23:25:17,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:19,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:21,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:26,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:29,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:25:29,798 INFO L93 Difference]: Finished difference Result 41320 states and 59972 transitions. [2022-11-25 23:25:29,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:25:29,798 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, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 248 [2022-11-25 23:25:29,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:25:29,962 INFO L225 Difference]: With dead ends: 41320 [2022-11-25 23:25:29,962 INFO L226 Difference]: Without dead ends: 25567 [2022-11-25 23:25:30,033 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 23:25:30,034 INFO L413 NwaCegarLoop]: 4019 mSDtfsCounter, 2331 mSDsluCounter, 2223 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2331 SdHoareTripleChecker+Valid, 6242 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:25:30,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2331 Valid, 6242 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 869 Invalid, 2 Unknown, 0 Unchecked, 13.1s Time] [2022-11-25 23:25:30,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25567 states. [2022-11-25 23:25:31,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25567 to 25521. [2022-11-25 23:25:31,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25521 states, 16370 states have (on average 1.3468540012217471) internal successors, (22048), 16763 states have internal predecessors, (22048), 7020 states have call successors, (7020), 2134 states have call predecessors, (7020), 2130 states have return successors, (8100), 6754 states have call predecessors, (8100), 7018 states have call successors, (8100) [2022-11-25 23:25:31,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25521 states to 25521 states and 37168 transitions. [2022-11-25 23:25:31,689 INFO L78 Accepts]: Start accepts. Automaton has 25521 states and 37168 transitions. Word has length 248 [2022-11-25 23:25:31,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:25:31,690 INFO L495 AbstractCegarLoop]: Abstraction has 25521 states and 37168 transitions. [2022-11-25 23:25:31,690 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, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 23:25:31,690 INFO L276 IsEmpty]: Start isEmpty. Operand 25521 states and 37168 transitions. [2022-11-25 23:25:31,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-11-25 23:25:31,759 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:31,760 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:25:31,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:25:31,760 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:25:31,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:31,761 INFO L85 PathProgramCache]: Analyzing trace with hash -83392619, now seen corresponding path program 1 times [2022-11-25 23:25:31,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:31,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9050674] [2022-11-25 23:25:31,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:31,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 752 trivial. 0 not checked. [2022-11-25 23:25:32,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:25:32,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9050674] [2022-11-25 23:25:32,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9050674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:25:32,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:25:32,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:25:32,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724856457] [2022-11-25 23:25:32,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:25:32,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:25:32,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:25:32,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:25:32,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:32,706 INFO L87 Difference]: Start difference. First operand 25521 states and 37168 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-25 23:25:34,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:36,999 WARN L539 Checker$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 23:25:45,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:25:45,603 INFO L93 Difference]: Finished difference Result 55273 states and 80262 transitions. [2022-11-25 23:25:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:25:45,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 290 [2022-11-25 23:25:45,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:25:45,782 INFO L225 Difference]: With dead ends: 55273 [2022-11-25 23:25:45,782 INFO L226 Difference]: Without dead ends: 29812 [2022-11-25 23:25:45,884 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 23:25:45,885 INFO L413 NwaCegarLoop]: 3960 mSDtfsCounter, 2342 mSDsluCounter, 1895 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2342 SdHoareTripleChecker+Valid, 5855 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:25:45,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2342 Valid, 5855 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 844 Invalid, 2 Unknown, 0 Unchecked, 11.6s Time] [2022-11-25 23:25:45,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29812 states. [2022-11-25 23:25:47,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29812 to 29725. [2022-11-25 23:25:47,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29725 states, 19033 states have (on average 1.3433510219093154) internal successors, (25568), 19486 states have internal predecessors, (25568), 8152 states have call successors, (8152), 2538 states have call predecessors, (8152), 2539 states have return successors, (9339), 7848 states have call predecessors, (9339), 8150 states have call successors, (9339) [2022-11-25 23:25:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29725 states to 29725 states and 43059 transitions. [2022-11-25 23:25:47,909 INFO L78 Accepts]: Start accepts. Automaton has 29725 states and 43059 transitions. Word has length 290 [2022-11-25 23:25:47,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:25:47,911 INFO L495 AbstractCegarLoop]: Abstraction has 29725 states and 43059 transitions. [2022-11-25 23:25:47,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-25 23:25:47,912 INFO L276 IsEmpty]: Start isEmpty. Operand 29725 states and 43059 transitions. [2022-11-25 23:25:47,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-11-25 23:25:47,942 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:47,942 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:25:47,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:25:47,942 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:25:47,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:47,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1529299845, now seen corresponding path program 1 times [2022-11-25 23:25:47,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:47,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611858168] [2022-11-25 23:25:47,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:47,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:49,007 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-25 23:25:49,008 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:25:49,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611858168] [2022-11-25 23:25:49,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611858168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:25:49,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:25:49,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:25:49,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791215930] [2022-11-25 23:25:49,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:25:49,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:25:49,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:25:49,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:25:49,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:49,011 INFO L87 Difference]: Start difference. First operand 29725 states and 43059 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-25 23:25:51,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:53,187 WARN L539 Checker$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 23:25:56,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:59,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:26:05,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:26:05,095 INFO L93 Difference]: Finished difference Result 80236 states and 116391 transitions. [2022-11-25 23:26:05,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:26:05,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 331 [2022-11-25 23:26:05,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:26:05,450 INFO L225 Difference]: With dead ends: 80236 [2022-11-25 23:26:05,451 INFO L226 Difference]: Without dead ends: 50571 [2022-11-25 23:26:05,601 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 23:26:05,602 INFO L413 NwaCegarLoop]: 3954 mSDtfsCounter, 2284 mSDsluCounter, 2241 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2284 SdHoareTripleChecker+Valid, 6195 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:26:05,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2284 Valid, 6195 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 851 Invalid, 2 Unknown, 0 Unchecked, 14.1s Time] [2022-11-25 23:26:05,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50571 states. [2022-11-25 23:26:08,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50571 to 50316. [2022-11-25 23:26:08,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50316 states, 32224 states have (on average 1.3456119662363455) internal successors, (43361), 33011 states have internal predecessors, (43361), 13802 states have call successors, (13802), 4296 states have call predecessors, (13802), 4289 states have return successors, (15924), 13263 states have call predecessors, (15924), 13800 states have call successors, (15924) [2022-11-25 23:26:09,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50316 states to 50316 states and 73087 transitions. [2022-11-25 23:26:09,433 INFO L78 Accepts]: Start accepts. Automaton has 50316 states and 73087 transitions. Word has length 331 [2022-11-25 23:26:09,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:26:09,434 INFO L495 AbstractCegarLoop]: Abstraction has 50316 states and 73087 transitions. [2022-11-25 23:26:09,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-25 23:26:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 50316 states and 73087 transitions. [2022-11-25 23:26:09,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-11-25 23:26:09,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:26:09,523 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 12, 12, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:26:09,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:26:09,524 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:26:09,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:26:09,524 INFO L85 PathProgramCache]: Analyzing trace with hash -354493637, now seen corresponding path program 1 times [2022-11-25 23:26:09,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:26:09,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937893909] [2022-11-25 23:26:09,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:09,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:26:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:10,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1570 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked. [2022-11-25 23:26:10,831 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:10,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937893909] [2022-11-25 23:26:10,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937893909] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:26:10,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:26:10,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:26:10,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341581438] [2022-11-25 23:26:10,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:26:10,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:26:10,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:26:10,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:26:10,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:26:10,835 INFO L87 Difference]: Start difference. First operand 50316 states and 73087 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-25 23:26:13,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:26:15,130 WARN L539 Checker$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 23:26:19,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:26:25,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:26:25,630 INFO L93 Difference]: Finished difference Result 100284 states and 145693 transitions. [2022-11-25 23:26:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:26:25,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 362 [2022-11-25 23:26:25,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:26:26,028 INFO L225 Difference]: With dead ends: 100284 [2022-11-25 23:26:26,029 INFO L226 Difference]: Without dead ends: 50337 [2022-11-25 23:26:26,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 23:26:26,254 INFO L413 NwaCegarLoop]: 2254 mSDtfsCounter, 8 mSDsluCounter, 4502 mSDsCounter, 0 mSdLazyCounter, 937 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 6756 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 937 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:26:26,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 6756 Invalid, 940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 937 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2022-11-25 23:26:26,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50337 states. [2022-11-25 23:26:28,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50337 to 50318. [2022-11-25 23:26:28,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50318 states, 32226 states have (on average 1.345218146837957) internal successors, (43351), 33013 states have internal predecessors, (43351), 13802 states have call successors, (13802), 4296 states have call predecessors, (13802), 4289 states have return successors, (15924), 13263 states have call predecessors, (15924), 13800 states have call successors, (15924) [2022-11-25 23:26:29,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50318 states to 50318 states and 73077 transitions. [2022-11-25 23:26:29,300 INFO L78 Accepts]: Start accepts. Automaton has 50318 states and 73077 transitions. Word has length 362 [2022-11-25 23:26:29,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:26:29,301 INFO L495 AbstractCegarLoop]: Abstraction has 50318 states and 73077 transitions. [2022-11-25 23:26:29,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-25 23:26:29,301 INFO L276 IsEmpty]: Start isEmpty. Operand 50318 states and 73077 transitions. [2022-11-25 23:26:29,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-11-25 23:26:29,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:26:29,386 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 12, 12, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:26:29,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 23:26:29,387 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:26:29,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:26:29,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1140982518, now seen corresponding path program 1 times [2022-11-25 23:26:29,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:26:29,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077383627] [2022-11-25 23:26:29,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:29,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:26:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:30,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1576 trivial. 0 not checked. [2022-11-25 23:26:30,549 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:30,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077383627] [2022-11-25 23:26:30,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077383627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:26:30,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:26:30,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:26:30,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338272473] [2022-11-25 23:26:30,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:26:30,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:26:30,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:26:30,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:26:30,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:26:30,554 INFO L87 Difference]: Start difference. First operand 50318 states and 73077 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-25 23:26:32,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:26:34,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:26:41,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:26:45,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:26:45,018 INFO L93 Difference]: Finished difference Result 111872 states and 162917 transitions. [2022-11-25 23:26:45,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:26:45,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 375 [2022-11-25 23:26:45,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:26:45,392 INFO L225 Difference]: With dead ends: 111872 [2022-11-25 23:26:45,393 INFO L226 Difference]: Without dead ends: 70255 [2022-11-25 23:26:45,581 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 23:26:45,583 INFO L413 NwaCegarLoop]: 2783 mSDtfsCounter, 2435 mSDsluCounter, 2262 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2435 SdHoareTripleChecker+Valid, 5045 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:26:45,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2435 Valid, 5045 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 652 Invalid, 2 Unknown, 0 Unchecked, 11.6s Time] [2022-11-25 23:26:45,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70255 states. [2022-11-25 23:26:48,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70255 to 70138. [2022-11-25 23:26:48,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70138 states, 44864 states have (on average 1.3444186875891584) internal successors, (60316), 45980 states have internal predecessors, (60316), 19248 states have call successors, (19248), 6030 states have call predecessors, (19248), 6025 states have return successors, (22626), 18483 states have call predecessors, (22626), 19246 states have call successors, (22626) [2022-11-25 23:26:48,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70138 states to 70138 states and 102190 transitions. [2022-11-25 23:26:48,993 INFO L78 Accepts]: Start accepts. Automaton has 70138 states and 102190 transitions. Word has length 375 [2022-11-25 23:26:48,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:26:48,994 INFO L495 AbstractCegarLoop]: Abstraction has 70138 states and 102190 transitions. [2022-11-25 23:26:48,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-25 23:26:48,994 INFO L276 IsEmpty]: Start isEmpty. Operand 70138 states and 102190 transitions. [2022-11-25 23:26:49,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2022-11-25 23:26:49,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:26:49,064 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 12, 12, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:26:49,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:26:49,064 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:26:49,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:26:49,065 INFO L85 PathProgramCache]: Analyzing trace with hash 865438225, now seen corresponding path program 1 times [2022-11-25 23:26:49,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:26:49,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035573159] [2022-11-25 23:26:49,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:49,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:26:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1572 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1570 trivial. 0 not checked. [2022-11-25 23:26:50,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:50,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035573159] [2022-11-25 23:26:50,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035573159] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:26:50,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:26:50,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:26:50,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061909351] [2022-11-25 23:26:50,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:26:50,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:26:50,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:26:50,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:26:50,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:26:50,098 INFO L87 Difference]: Start difference. First operand 70138 states and 102190 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-25 23:26:52,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:26:54,283 WARN L539 Checker$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 23:27:04,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:27:04,677 INFO L93 Difference]: Finished difference Result 177202 states and 258352 transitions. [2022-11-25 23:27:04,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:27:04,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 376 [2022-11-25 23:27:04,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:27:05,229 INFO L225 Difference]: With dead ends: 177202 [2022-11-25 23:27:05,229 INFO L226 Difference]: Without dead ends: 107457 [2022-11-25 23:27:05,478 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 23:27:05,479 INFO L413 NwaCegarLoop]: 3143 mSDtfsCounter, 2239 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 61 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2239 SdHoareTripleChecker+Valid, 5270 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:27:05,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2239 Valid, 5270 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 815 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2022-11-25 23:27:05,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107457 states. [2022-11-25 23:27:09,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107457 to 107430. [2022-11-25 23:27:09,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107430 states, 69113 states have (on average 1.3395598512580846) internal successors, (92581), 70831 states have internal predecessors, (92581), 29132 states have call successors, (29132), 9201 states have call predecessors, (29132), 9184 states have return successors, (34060), 27949 states have call predecessors, (34060), 29130 states have call successors, (34060) [2022-11-25 23:27:10,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107430 states to 107430 states and 155773 transitions. [2022-11-25 23:27:10,913 INFO L78 Accepts]: Start accepts. Automaton has 107430 states and 155773 transitions. Word has length 376 [2022-11-25 23:27:10,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:27:10,914 INFO L495 AbstractCegarLoop]: Abstraction has 107430 states and 155773 transitions. [2022-11-25 23:27:10,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-25 23:27:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 107430 states and 155773 transitions. [2022-11-25 23:27:10,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2022-11-25 23:27:10,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:27:10,980 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 12, 12, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:27:10,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 23:27:10,980 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:27:10,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:27:10,981 INFO L85 PathProgramCache]: Analyzing trace with hash -313797997, now seen corresponding path program 1 times [2022-11-25 23:27:10,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:27:10,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020424899] [2022-11-25 23:27:10,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:10,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms